Flights to Saint Louis (STL): deals from 12 cities

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Flights for the months ahead

Lowest published fares for the months ahead: $304 round trip, Axel-exclusive, American Airlines, 1 stop, Jan 7–10, 2027; $152 one way, Axel-exclusive, Southwest Airlines, 1 stop, Jan 5, 2027; 144 priced flights on 72 exact dates, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

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Seattle (SEA) to Saint Louis (STL): November 2026

Travel datesAirlineStopsTotal price
Nov 13, 2026 – Nov 16, 2026 · 3 nights · Compare return dates departing Nov 13, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $310.00
Nov 13, 2026 – Nov 16, 2026 · 3 nights · Compare return dates departing Nov 13, 2026Alaska AirlinesNonstopAxel-exclusive $350.00
Nov 14, 2026 – Nov 21, 2026 · 7 nights · Compare return dates departing Nov 14, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $364.25
Nov 14, 2026 – Nov 21, 2026 · 7 nights · Compare return dates departing Nov 14, 2026Alaska AirlinesNonstopAxel-exclusive $411.25
Nov 17, 2026 · One way · Compare return dates departing Nov 17, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $160.00
Nov 17, 2026 · One way · Compare return dates departing Nov 17, 2026Alaska AirlinesNonstopAxel-exclusive $180.00
Nov 19, 2026 – Nov 22, 2026 · 3 nights · Compare return dates departing Nov 19, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $364.25
Nov 19, 2026 – Nov 22, 2026 · 3 nights · Compare return dates departing Nov 19, 2026Alaska AirlinesNonstopAxel-exclusive $411.25
Nov 20, 2026 – Nov 23, 2026 · 3 nights · Compare return dates departing Nov 20, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $418.50
Nov 20, 2026 – Nov 23, 2026 · 3 nights · Compare return dates departing Nov 20, 2026Alaska AirlinesNonstopAxel-exclusive $472.50
Nov 21, 2026 – Nov 28, 2026 · 7 nights · Compare return dates departing Nov 21, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $418.50
Nov 21, 2026 – Nov 28, 2026 · 7 nights · Compare return dates departing Nov 21, 2026Alaska AirlinesNonstopAxel-exclusive $472.50
Nov 24, 2026 · One way · Compare return dates departing Nov 24, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $216.00
Nov 24, 2026 · One way · Compare return dates departing Nov 24, 2026Alaska AirlinesNonstopAxel-exclusive $243.00
Nov 24, 2026 – Nov 29, 2026 · 5 nights · Compare return dates departing Nov 24, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $418.50
Nov 24, 2026 – Nov 29, 2026 · 5 nights · Compare return dates departing Nov 24, 2026Alaska AirlinesNonstopAxel-exclusive $472.50
Nov 26, 2026 – Nov 29, 2026 · 3 nights · Compare return dates departing Nov 26, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $418.50
Nov 26, 2026 – Nov 29, 2026 · 3 nights · Compare return dates departing Nov 26, 2026Alaska AirlinesNonstopAxel-exclusive $472.50
Nov 27, 2026 – Nov 30, 2026 · 3 nights · Compare return dates departing Nov 27, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $418.50
Nov 27, 2026 – Nov 30, 2026 · 3 nights · Compare return dates departing Nov 27, 2026Alaska AirlinesNonstopAxel-exclusive $472.50
Nov 28, 2026 – Dec 5, 2026 · 7 nights · Compare return dates departing Nov 28, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $376.00
Nov 28, 2026 – Dec 5, 2026 · 7 nights · Compare return dates departing Nov 28, 2026Alaska AirlinesNonstopAxel-exclusive $411.25

Seattle (SEA) to Saint Louis (STL): December 2026

Travel datesAirlineStopsTotal price
Dec 1, 2026 · One way · Compare return dates departing Dec 1, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $160.00
Dec 1, 2026 · One way · Compare return dates departing Dec 1, 2026Alaska AirlinesNonstopAxel-exclusive $180.00
Dec 3, 2026 – Dec 6, 2026 · 3 nights · Compare return dates departing Dec 3, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $310.00
Dec 3, 2026 – Dec 6, 2026 · 3 nights · Compare return dates departing Dec 3, 2026Alaska AirlinesNonstopAxel-exclusive $350.00
Dec 4, 2026 – Dec 7, 2026 · 3 nights · Compare return dates departing Dec 4, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $320.00
Dec 4, 2026 – Dec 7, 2026 · 3 nights · Compare return dates departing Dec 4, 2026Alaska AirlinesNonstopAxel-exclusive $350.00
Dec 5, 2026 – Dec 12, 2026 · 7 nights · Compare return dates departing Dec 5, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $320.00
Dec 5, 2026 – Dec 12, 2026 · 7 nights · Compare return dates departing Dec 5, 2026Alaska AirlinesNonstopAxel-exclusive $350.00
Dec 8, 2026 · One way · Compare return dates departing Dec 8, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $160.00
Dec 8, 2026 · One way · Compare return dates departing Dec 8, 2026Alaska AirlinesNonstopAxel-exclusive $180.00
Dec 10, 2026 – Dec 13, 2026 · 3 nights · Compare return dates departing Dec 10, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $320.00
Dec 10, 2026 – Dec 13, 2026 · 3 nights · Compare return dates departing Dec 10, 2026Alaska AirlinesNonstopAxel-exclusive $350.00
Dec 11, 2026 – Dec 14, 2026 · 3 nights · Compare return dates departing Dec 11, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $320.00
Dec 11, 2026 – Dec 14, 2026 · 3 nights · Compare return dates departing Dec 11, 2026Alaska AirlinesNonstopAxel-exclusive $350.00
Dec 12, 2026 – Dec 19, 2026 · 7 nights · Compare return dates departing Dec 12, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $384.00
Dec 12, 2026 – Dec 19, 2026 · 7 nights · Compare return dates departing Dec 12, 2026Alaska AirlinesNonstopAxel-exclusive $420.00
Dec 15, 2026 · One way · Compare return dates departing Dec 15, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $160.00
Dec 15, 2026 · One way · Compare return dates departing Dec 15, 2026Alaska AirlinesNonstopAxel-exclusive $180.00
Dec 17, 2026 – Dec 20, 2026 · 3 nights · Compare return dates departing Dec 17, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $384.00
Dec 17, 2026 – Dec 20, 2026 · 3 nights · Compare return dates departing Dec 17, 2026Alaska AirlinesNonstopAxel-exclusive $420.00
Dec 18, 2026 – Dec 21, 2026 · 3 nights · Compare return dates departing Dec 18, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $384.00
Dec 18, 2026 – Dec 21, 2026 · 3 nights · Compare return dates departing Dec 18, 2026Alaska AirlinesNonstopAxel-exclusive $420.00
Dec 19, 2026 – Dec 26, 2026 · 7 nights · Compare return dates departing Dec 19, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $448.00
Dec 19, 2026 – Dec 26, 2026 · 7 nights · Compare return dates departing Dec 19, 2026Alaska AirlinesNonstopAxel-exclusive $490.00
Dec 22, 2026 · One way · Compare return dates departing Dec 22, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $224.00
Dec 22, 2026 · One way · Compare return dates departing Dec 22, 2026Alaska AirlinesNonstopAxel-exclusive $252.00
Dec 22, 2026 – Dec 27, 2026 · 5 nights · Compare return dates departing Dec 22, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $434.00
Dec 22, 2026 – Dec 27, 2026 · 5 nights · Compare return dates departing Dec 22, 2026Alaska AirlinesNonstopAxel-exclusive $490.00
Dec 24, 2026 – Dec 27, 2026 · 3 nights · Compare return dates departing Dec 24, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $448.00
Dec 24, 2026 – Dec 27, 2026 · 3 nights · Compare return dates departing Dec 24, 2026Alaska AirlinesNonstopAxel-exclusive $490.00
Dec 25, 2026 – Dec 28, 2026 · 3 nights · Compare return dates departing Dec 25, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $448.00
Dec 25, 2026 – Dec 28, 2026 · 3 nights · Compare return dates departing Dec 25, 2026Alaska AirlinesNonstopAxel-exclusive $490.00
Dec 26, 2026 – Jan 2, 2027 · 7 nights · Compare return dates departing Dec 26, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $436.80
Dec 26, 2026 – Jan 2, 2027 · 7 nights · Compare return dates departing Dec 26, 2026Alaska AirlinesNonstopAxel-exclusive $477.75
Dec 29, 2026 · One way · Compare return dates departing Dec 29, 2026Southwest AirlinesUp to 1 stop each wayAxel-exclusive $224.00
Dec 29, 2026 · One way · Compare return dates departing Dec 29, 2026Alaska AirlinesNonstopAxel-exclusive $252.00
Dec 30, 2026 – Jan 2, 2027 · 3 nights · Compare return dates departing Dec 30, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $436.80
Dec 30, 2026 – Jan 2, 2027 · 3 nights · Compare return dates departing Dec 30, 2026Alaska AirlinesNonstopAxel-exclusive $477.75
Dec 31, 2026 – Jan 3, 2027 · 3 nights · Compare return dates departing Dec 31, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $436.80
Dec 31, 2026 – Jan 3, 2027 · 3 nights · Compare return dates departing Dec 31, 2026Alaska AirlinesNonstopAxel-exclusive $477.75

Seattle (SEA) to Saint Louis (STL): January 2027

Travel datesAirlineStopsTotal price
Jan 1, 2027 – Jan 4, 2027 · 3 nights · Compare return dates departing Jan 1, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $364.80
Jan 1, 2027 – Jan 4, 2027 · 3 nights · Compare return dates departing Jan 1, 2027Alaska AirlinesNonstopAxel-exclusive $399.00
Jan 2, 2027 – Jan 9, 2027 · 7 nights · Compare return dates departing Jan 2, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $364.80
Jan 2, 2027 – Jan 9, 2027 · 7 nights · Compare return dates departing Jan 2, 2027Alaska AirlinesNonstopAxel-exclusive $399.00
Jan 5, 2027 · One way · Compare return dates departing Jan 5, 2027Southwest AirlinesUp to 1 stop each wayAxel-exclusive $152.00
Jan 5, 2027 · One way · Compare return dates departing Jan 5, 2027Alaska AirlinesNonstopAxel-exclusive $171.00
Jan 7, 2027 – Jan 10, 2027 · 3 nights · Compare return dates departing Jan 7, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 7, 2027 – Jan 10, 2027 · 3 nights · Compare return dates departing Jan 7, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 8, 2027 – Jan 11, 2027 · 3 nights · Compare return dates departing Jan 8, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 8, 2027 – Jan 11, 2027 · 3 nights · Compare return dates departing Jan 8, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 9, 2027 – Jan 16, 2027 · 7 nights · Compare return dates departing Jan 9, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 9, 2027 – Jan 16, 2027 · 7 nights · Compare return dates departing Jan 9, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 12, 2027 · One way · Compare return dates departing Jan 12, 2027Southwest AirlinesUp to 1 stop each wayAxel-exclusive $152.00
Jan 12, 2027 · One way · Compare return dates departing Jan 12, 2027Alaska AirlinesNonstopAxel-exclusive $171.00
Jan 14, 2027 – Jan 17, 2027 · 3 nights · Compare return dates departing Jan 14, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 14, 2027 – Jan 17, 2027 · 3 nights · Compare return dates departing Jan 14, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 15, 2027 – Jan 18, 2027 · 3 nights · Compare return dates departing Jan 15, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 15, 2027 – Jan 18, 2027 · 3 nights · Compare return dates departing Jan 15, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 16, 2027 – Jan 23, 2027 · 7 nights · Compare return dates departing Jan 16, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 16, 2027 – Jan 23, 2027 · 7 nights · Compare return dates departing Jan 16, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 19, 2027 · One way · Compare return dates departing Jan 19, 2027Southwest AirlinesUp to 1 stop each wayAxel-exclusive $152.00
Jan 19, 2027 · One way · Compare return dates departing Jan 19, 2027Alaska AirlinesNonstopAxel-exclusive $171.00
Jan 21, 2027 – Jan 24, 2027 · 3 nights · Compare return dates departing Jan 21, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 21, 2027 – Jan 24, 2027 · 3 nights · Compare return dates departing Jan 21, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 22, 2027 – Jan 25, 2027 · 3 nights · Compare return dates departing Jan 22, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 22, 2027 – Jan 25, 2027 · 3 nights · Compare return dates departing Jan 22, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 23, 2027 – Jan 30, 2027 · 7 nights · Compare return dates departing Jan 23, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 23, 2027 – Jan 30, 2027 · 7 nights · Compare return dates departing Jan 23, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 26, 2027 · One way · Compare return dates departing Jan 26, 2027Southwest AirlinesUp to 1 stop each wayAxel-exclusive $152.00
Jan 26, 2027 · One way · Compare return dates departing Jan 26, 2027Alaska AirlinesNonstopAxel-exclusive $171.00
Jan 28, 2027 – Jan 31, 2027 · 3 nights · Compare return dates departing Jan 28, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 28, 2027 – Jan 31, 2027 · 3 nights · Compare return dates departing Jan 28, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 29, 2027 – Feb 1, 2027 · 3 nights · Compare return dates departing Jan 29, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 29, 2027 – Feb 1, 2027 · 3 nights · Compare return dates departing Jan 29, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Jan 30, 2027 – Feb 6, 2027 · 7 nights · Compare return dates departing Jan 30, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Jan 30, 2027 – Feb 6, 2027 · 7 nights · Compare return dates departing Jan 30, 2027Alaska AirlinesNonstopAxel-exclusive $332.50

Seattle (SEA) to Saint Louis (STL): February 2027

Travel datesAirlineStopsTotal price
Feb 2, 2027 · One way · Compare return dates departing Feb 2, 2027Southwest AirlinesUp to 1 stop each wayAxel-exclusive $152.00
Feb 2, 2027 · One way · Compare return dates departing Feb 2, 2027Alaska AirlinesNonstopAxel-exclusive $171.00
Feb 12, 2027 – Feb 15, 2027 · 3 nights · Compare return dates departing Feb 12, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $348.80
Feb 12, 2027 – Feb 15, 2027 · 3 nights · Compare return dates departing Feb 12, 2027Alaska AirlinesNonstopAxel-exclusive $381.50
Feb 19, 2027 – Feb 22, 2027 · 3 nights · Compare return dates departing Feb 19, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Feb 19, 2027 – Feb 22, 2027 · 3 nights · Compare return dates departing Feb 19, 2027Alaska AirlinesNonstopAxel-exclusive $332.50
Feb 20, 2027 – Feb 27, 2027 · 7 nights · Compare return dates departing Feb 20, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $304.00
Feb 20, 2027 – Feb 27, 2027 · 7 nights · Compare return dates departing Feb 20, 2027Alaska AirlinesNonstopAxel-exclusive $332.50

Seattle (SEA) to Saint Louis (STL): March 2027

Travel datesAirlineStopsTotal price
Mar 19, 2027 – Mar 22, 2027 · 3 nights · Compare return dates departing Mar 19, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $360.00
Mar 19, 2027 – Mar 22, 2027 · 3 nights · Compare return dates departing Mar 19, 2027Alaska AirlinesNonstopAxel-exclusive $393.75
Mar 20, 2027 – Mar 27, 2027 · 7 nights · Compare return dates departing Mar 20, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $384.00
Mar 20, 2027 – Mar 27, 2027 · 7 nights · Compare return dates departing Mar 20, 2027Alaska AirlinesNonstopAxel-exclusive $420.00
Mar 25, 2027 – Mar 29, 2027 · 4 nights · Compare return dates departing Mar 25, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $435.00
Mar 25, 2027 – Mar 29, 2027 · 4 nights · Compare return dates departing Mar 25, 2027Alaska AirlinesNonstopAxel-exclusive $477.00

Seattle (SEA) to Saint Louis (STL): April 2027

Travel datesAirlineStopsTotal price
Apr 16, 2027 – Apr 19, 2027 · 3 nights · Compare return dates departing Apr 16, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Apr 16, 2027 – Apr 19, 2027 · 3 nights · Compare return dates departing Apr 16, 2027Alaska AirlinesNonstopAxel-exclusive $445.00
Apr 17, 2027 – Apr 24, 2027 · 7 nights · Compare return dates departing Apr 17, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Apr 17, 2027 – Apr 24, 2027 · 7 nights · Compare return dates departing Apr 17, 2027Alaska AirlinesNonstopAxel-exclusive $445.00

Seattle (SEA) to Saint Louis (STL): May 2027

Travel datesAirlineStopsTotal price
May 14, 2027 – May 17, 2027 · 3 nights · Compare return dates departing May 14, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
May 14, 2027 – May 17, 2027 · 3 nights · Compare return dates departing May 14, 2027Alaska AirlinesNonstopAxel-exclusive $445.00
May 15, 2027 – May 22, 2027 · 7 nights · Compare return dates departing May 15, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
May 15, 2027 – May 22, 2027 · 7 nights · Compare return dates departing May 15, 2027Alaska AirlinesNonstopAxel-exclusive $445.00
May 28, 2027 – May 31, 2027 · 3 nights · Compare return dates departing May 28, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $465.76
May 28, 2027 – May 31, 2027 · 3 nights · Compare return dates departing May 28, 2027Alaska AirlinesNonstopAxel-exclusive $511.76

Seattle (SEA) to Saint Louis (STL): June 2027

Travel datesAirlineStopsTotal price
Jun 11, 2027 – Jun 14, 2027 · 3 nights · Compare return dates departing Jun 11, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Jun 11, 2027 – Jun 14, 2027 · 3 nights · Compare return dates departing Jun 11, 2027Alaska AirlinesNonstopAxel-exclusive $445.00
Jun 12, 2027 – Jun 19, 2027 · 7 nights · Compare return dates departing Jun 12, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Jun 12, 2027 – Jun 19, 2027 · 7 nights · Compare return dates departing Jun 12, 2027Alaska AirlinesNonstopAxel-exclusive $445.00

Seattle (SEA) to Saint Louis (STL): July 2027

Travel datesAirlineStopsTotal price
Jul 2, 2027 – Jul 6, 2027 · 4 nights · Compare return dates departing Jul 2, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $486.00
Jul 2, 2027 – Jul 6, 2027 · 4 nights · Compare return dates departing Jul 2, 2027Alaska AirlinesNonstopAxel-exclusive $534.00
Jul 9, 2027 – Jul 12, 2027 · 3 nights · Compare return dates departing Jul 9, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Jul 9, 2027 – Jul 12, 2027 · 3 nights · Compare return dates departing Jul 9, 2027Alaska AirlinesNonstopAxel-exclusive $445.00
Jul 10, 2027 – Jul 17, 2027 · 7 nights · Compare return dates departing Jul 10, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Jul 10, 2027 – Jul 17, 2027 · 7 nights · Compare return dates departing Jul 10, 2027Alaska AirlinesNonstopAxel-exclusive $445.00

Seattle (SEA) to Saint Louis (STL): August 2027

Travel datesAirlineStopsTotal price
Aug 6, 2027 – Aug 9, 2027 · 3 nights · Compare return dates departing Aug 6, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Aug 6, 2027 – Aug 9, 2027 · 3 nights · Compare return dates departing Aug 6, 2027Alaska AirlinesNonstopAxel-exclusive $445.00
Aug 7, 2027 – Aug 14, 2027 · 7 nights · Compare return dates departing Aug 7, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $405.00
Aug 7, 2027 – Aug 14, 2027 · 7 nights · Compare return dates departing Aug 7, 2027Alaska AirlinesNonstopAxel-exclusive $445.00

Seattle (SEA) to Saint Louis (STL): September 2027

Travel datesAirlineStopsTotal price
Sep 3, 2027 – Sep 6, 2027 · 3 nights · Compare return dates departing Sep 3, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $441.46
Sep 3, 2027 – Sep 6, 2027 · 3 nights · Compare return dates departing Sep 3, 2027Alaska AirlinesNonstopAxel-exclusive $485.06
Sep 4, 2027 – Sep 11, 2027 · 7 nights · Compare return dates departing Sep 4, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $413.11
Sep 4, 2027 – Sep 11, 2027 · 7 nights · Compare return dates departing Sep 4, 2027Alaska AirlinesNonstopAxel-exclusive $453.91
Sep 24, 2027 – Sep 27, 2027 · 3 nights · Compare return dates departing Sep 24, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $384.76
Sep 24, 2027 – Sep 27, 2027 · 3 nights · Compare return dates departing Sep 24, 2027Alaska AirlinesNonstopAxel-exclusive $422.76
Sep 25, 2027 – Oct 2, 2027 · 7 nights · Compare return dates departing Sep 25, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $394.88
Sep 25, 2027 – Oct 2, 2027 · 7 nights · Compare return dates departing Sep 25, 2027Alaska AirlinesNonstopAxel-exclusive $433.88

Route overview: Seattle to Saint Louis (STL) flight deals

2026-11-13 → 2026-11-16 · Axel-exclusive $310.00

  • Southwest Airlines WN3823 / WN1844: SEA 2026-11-13 13:35:00 → STL 2026-11-13 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
    • WN3823: SEA 2026-11-13 13:35:00 → DEN 2026-11-13 17:05:00; layover at DEN: 60 minutes.
    • WN1844: DEN 2026-11-13 18:05:00 → STL 2026-11-13 21:10:00.
  • Southwest Airlines WN2467 / WN2455: STL 2026-11-16 18:40:00 → SEA 2026-11-17 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
    • WN2467: STL 2026-11-16 18:40:00 → PHX 2026-11-16 21:00:00; layover at PHX: 105 minutes.
    • WN2455: PHX 2026-11-16 22:45:00 → SEA 2026-11-17 01:00:00.

2026-11-13 → 2026-11-16 · Axel-exclusive $342.50

  • United Airlines UA2601 / UA652: SEA 2026-11-13 05:00:00 → STL 2026-11-13 12:56:00; 1 stop(s) via DEN; 356 minutes. Local airport times.
    • UA2601: SEA 2026-11-13 05:00:00 → DEN 2026-11-13 08:41:00; layover at DEN: 69 minutes.
    • UA652: DEN 2026-11-13 09:50:00 → STL 2026-11-13 12:56:00.
  • Alaska Airlines AS669: STL 2026-11-16 06:00:00 → SEA 2026-11-16 08:40:00; nonstop; 280 minutes. Local airport times.

2026-11-17 · one way · Axel-exclusive $160.00

  • Southwest Airlines WN3823 / WN1844: SEA 2026-11-17 13:35:00 → STL 2026-11-17 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
    • WN3823: SEA 2026-11-17 13:35:00 → DEN 2026-11-17 17:05:00; layover at DEN: 60 minutes.
    • WN1844: DEN 2026-11-17 18:05:00 → STL 2026-11-17 21:10:00.

2026-11-17 · one way · Axel-exclusive $180.00

  • Alaska Airlines AS314: SEA 2026-11-17 08:22:00 → STL 2026-11-17 14:25:00; nonstop; 243 minutes. Local airport times.

2026-11-24 → 2026-11-29 · Axel-exclusive $418.50

  • Southwest Airlines WN3823 / WN1844: SEA 2026-11-24 13:35:00 → STL 2026-11-24 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
    • WN3823: SEA 2026-11-24 13:35:00 → DEN 2026-11-24 17:05:00; layover at DEN: 60 minutes.
    • WN1844: DEN 2026-11-24 18:05:00 → STL 2026-11-24 21:10:00.
  • Southwest Airlines WN2467 / WN2455: STL 2026-11-29 18:40:00 → SEA 2026-11-30 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
    • WN2467: STL 2026-11-29 18:40:00 → PHX 2026-11-29 21:00:00; layover at PHX: 105 minutes.
    • WN2455: PHX 2026-11-29 22:45:00 → SEA 2026-11-30 01:00:00.

2026-11-24 → 2026-11-29 · Axel-exclusive $472.50

  • Alaska Airlines AS314: SEA 2026-11-24 08:22:00 → STL 2026-11-24 14:25:00; nonstop; 243 minutes. Local airport times.
  • Alaska Airlines AS618: STL 2026-11-29 15:23:00 → SEA 2026-11-29 17:53:00; nonstop; 270 minutes. Local airport times.

2026-12-05 → 2026-12-12 · Axel-exclusive $320.00

  • American Airlines AA630 / AA2897: SEA 2026-12-05 00:47:00 → STL 2026-12-05 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2026-12-05 00:47:00 → DFW 2026-12-05 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2026-12-05 07:43:00 → STL 2026-12-05 09:31:00.
  • American Airlines AA3198 / AS407: STL 2026-12-12 11:37:00 → SEA 2026-12-12 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2026-12-12 11:37:00 → ORD 2026-12-12 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2026-12-12 15:19:00 → SEA 2026-12-12 18:11:00.

2026-12-05 → 2026-12-12 · Axel-exclusive $350.00

  • Alaska Airlines AS647: SEA 2026-12-05 18:08:00 → STL 2026-12-05 23:59:00; nonstop; 231 minutes. Local airport times.
  • Alaska Airlines AS615: STL 2026-12-12 06:00:00 → SEA 2026-12-12 08:42:00; nonstop; 282 minutes. Local airport times.

2026-12-19 → 2026-12-26 · Axel-exclusive $448.00

  • American Airlines AA630 / AA2897: SEA 2026-12-19 00:47:00 → STL 2026-12-19 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2026-12-19 00:47:00 → DFW 2026-12-19 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2026-12-19 07:43:00 → STL 2026-12-19 09:31:00.
  • American Airlines AA3198 / AS407: STL 2026-12-26 11:37:00 → SEA 2026-12-26 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2026-12-26 11:37:00 → ORD 2026-12-26 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2026-12-26 15:19:00 → SEA 2026-12-26 18:11:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $490.00

  • Alaska Airlines AS647: SEA 2026-12-19 18:05:00 → STL 2026-12-19 23:59:00; nonstop; 234 minutes. Local airport times.
  • Alaska Airlines AS615: STL 2026-12-26 06:00:00 → SEA 2026-12-26 08:42:00; nonstop; 282 minutes. Local airport times.

2026-12-31 → 2027-01-03 · Axel-exclusive $436.80

  • American Airlines AA630 / AA2897: SEA 2026-12-31 00:47:00 → STL 2026-12-31 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2026-12-31 00:47:00 → DFW 2026-12-31 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2026-12-31 07:43:00 → STL 2026-12-31 09:31:00.
  • American Airlines AA3198 / AS407: STL 2027-01-03 11:37:00 → SEA 2027-01-03 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2027-01-03 11:37:00 → ORD 2027-01-03 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2027-01-03 15:19:00 → SEA 2027-01-03 18:11:00.

2026-12-31 → 2027-01-03 · Axel-exclusive $477.75

  • Alaska Airlines AS618: SEA 2026-12-31 09:41:00 → STL 2026-12-31 15:34:00; nonstop; 233 minutes. Local airport times.
  • Alaska Airlines AS618: STL 2027-01-03 15:23:00 → SEA 2027-01-03 17:53:00; nonstop; 270 minutes. Local airport times.

2027-01-14 → 2027-01-17 · Axel-exclusive $304.00

  • American Airlines AA630 / AA2897: SEA 2027-01-14 00:47:00 → STL 2027-01-14 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2027-01-14 00:47:00 → DFW 2027-01-14 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2027-01-14 07:43:00 → STL 2027-01-14 09:31:00.
  • American Airlines AA3198 / AS407: STL 2027-01-17 11:37:00 → SEA 2027-01-17 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2027-01-17 11:37:00 → ORD 2027-01-17 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2027-01-17 15:19:00 → SEA 2027-01-17 18:11:00.

2027-01-14 → 2027-01-17 · Axel-exclusive $332.50

  • Alaska Airlines AS618: SEA 2027-01-14 09:41:00 → STL 2027-01-14 15:34:00; nonstop; 233 minutes. Local airport times.
  • Alaska Airlines AS618: STL 2027-01-17 15:23:00 → SEA 2027-01-17 17:53:00; nonstop; 270 minutes. Local airport times.

2027-01-28 → 2027-01-31 · Axel-exclusive $327.76

  • Delta Air Lines DL1120 / DL2666: SEA 2027-01-28 13:25:00 → STL 2027-01-28 21:28:00; 1 stop(s) via SLC; 363 minutes. Local airport times.
    • DL1120: SEA 2027-01-28 13:25:00 → SLC 2027-01-28 16:29:00; layover at SLC: 69 minutes.
    • DL2666: SLC 2027-01-28 17:38:00 → STL 2027-01-28 21:28:00.
  • Delta Air Lines DL1597 / DL868: STL 2027-01-31 06:03:00 → SEA 2027-01-31 10:45:00; 1 stop(s) via MSP; 402 minutes. Local airport times.
    • DL1597: STL 2027-01-31 06:03:00 → MSP 2027-01-31 07:43:00; layover at MSP: 62 minutes.
    • DL868: MSP 2027-01-31 08:45:00 → SEA 2027-01-31 10:45:00.

2027-01-28 → 2027-01-31 · Axel-exclusive $332.50

  • Alaska Airlines AS618: SEA 2027-01-28 09:41:00 → STL 2027-01-28 15:34:00; nonstop; 233 minutes. Local airport times.
  • Alaska Airlines AS618: STL 2027-01-31 15:23:00 → SEA 2027-01-31 17:53:00; nonstop; 270 minutes. Local airport times.

2027-03-19 → 2027-03-22 · Axel-exclusive $360.00

  • American Airlines AA630 / AA2897: SEA 2027-03-19 00:47:00 → STL 2027-03-19 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2027-03-19 00:47:00 → DFW 2027-03-19 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2027-03-19 07:43:00 → STL 2027-03-19 09:31:00.
  • American Airlines AA3198 / AS407: STL 2027-03-22 11:37:00 → SEA 2027-03-22 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2027-03-22 11:37:00 → ORD 2027-03-22 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2027-03-22 15:19:00 → SEA 2027-03-22 18:11:00.

2027-03-19 → 2027-03-22 · Axel-exclusive $393.75

  • Alaska Airlines AS314: SEA 2027-03-19 09:05:00 → STL 2027-03-19 14:56:00; nonstop; 231 minutes. Local airport times.
  • Alaska Airlines AS669: STL 2027-03-22 06:00:00 → SEA 2027-03-22 08:40:00; nonstop; 280 minutes. Local airport times.

2027-05-15 → 2027-05-22 · Axel-exclusive $405.00

  • American Airlines AA630 / AA2897: SEA 2027-05-15 00:47:00 → STL 2027-05-15 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2027-05-15 00:47:00 → DFW 2027-05-15 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2027-05-15 07:43:00 → STL 2027-05-15 09:31:00.
  • American Airlines AA3198 / AS407: STL 2027-05-22 11:37:00 → SEA 2027-05-22 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2027-05-22 11:37:00 → ORD 2027-05-22 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2027-05-22 15:19:00 → SEA 2027-05-22 18:11:00.

2027-05-15 → 2027-05-22 · Axel-exclusive $445.00

  • Alaska Airlines AS618: SEA 2027-05-15 09:41:00 → STL 2027-05-15 15:34:00; nonstop; 233 minutes. Local airport times.
  • Alaska Airlines AS615: STL 2027-05-22 06:00:00 → SEA 2027-05-22 08:42:00; nonstop; 282 minutes. Local airport times.

2027-07-10 → 2027-07-17 · Axel-exclusive $405.00

  • American Airlines AA630 / AA2897: SEA 2027-07-10 00:47:00 → STL 2027-07-10 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2027-07-10 00:47:00 → DFW 2027-07-10 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2027-07-10 07:43:00 → STL 2027-07-10 09:31:00.
  • American Airlines AA3198 / AS407: STL 2027-07-17 11:37:00 → SEA 2027-07-17 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2027-07-17 11:37:00 → ORD 2027-07-17 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2027-07-17 15:19:00 → SEA 2027-07-17 18:11:00.

2027-07-10 → 2027-07-17 · Axel-exclusive $445.00

  • Alaska Airlines AS618: SEA 2027-07-10 09:41:00 → STL 2027-07-10 15:34:00; nonstop; 233 minutes. Local airport times.
  • Alaska Airlines AS615: STL 2027-07-17 06:00:00 → SEA 2027-07-17 08:42:00; nonstop; 282 minutes. Local airport times.

2027-09-25 → 2027-10-02 · Axel-exclusive $394.88

  • American Airlines AA630 / AA2897: SEA 2027-09-25 00:47:00 → STL 2027-09-25 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
    • AA630: SEA 2027-09-25 00:47:00 → DFW 2027-09-25 06:39:00; layover at DFW: 64 minutes.
    • AA2897: DFW 2027-09-25 07:43:00 → STL 2027-09-25 09:31:00.
  • American Airlines AA3198 / AS407: STL 2027-10-02 11:37:00 → SEA 2027-10-02 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
    • AA3198: STL 2027-10-02 11:37:00 → ORD 2027-10-02 12:59:00; layover at ORD: 140 minutes.
    • AS407: ORD 2027-10-02 15:19:00 → SEA 2027-10-02 18:11:00.

2027-09-25 → 2027-10-02 · Axel-exclusive $433.88

  • Alaska Airlines AS618: SEA 2027-09-25 09:41:00 → STL 2027-09-25 15:34:00; nonstop; 233 minutes. Local airport times.
  • Alaska Airlines AS615: STL 2027-10-02 06:00:00 → SEA 2027-10-02 08:42:00; nonstop; 282 minutes. Local airport times.

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Flights to Saint Louis (STL) by departure city

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Fares observed October 30 – November 6, 2026. USD for the travelers shown.

November 2026

1 adult · Economy · Round-trip totals

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FromDestinationTravel datesFlights (out / return)Axel-exclusiveAirline fareNext step
Minneapolis (MSP)Saint Louis (STL)Nov 7–9, 2026 · 2 daysOut: Southwest Airlines 1694 · Nonstop · 1h 40m · 08:10–09:50 local; Return: Southwest Airlines 4964 · Nonstop · 1h 40m · 21:45–23:25 localAxel-exclusive $830 · Save $47$877Customer link — share with the traveler · See flights for these dates
San Francisco (SFO)Saint Louis (STL)Nov 10–17, 2026 · 7 daysOut: Southwest Airlines 2989 · Nonstop · 3h 55m · 11:15–17:10 local; Return: Southwest Airlines 191 · Nonstop · 4h 25m · 08:25–10:50 localAxel-exclusive $820 · Save $47$867Customer link — share with the traveler · See flights for these dates
Los Angeles (LAX)Saint Louis (STL)Nov 11–15, 2026 · 4 daysOut: Southwest Airlines 4783 / 438 · 1 stop (AUS) · 8h 40m · 06:40–17:20 local; Return: Southwest Airlines 4712 · Nonstop · 4h 5m · 21:50–23:55 localAxel-exclusive $653 · Save $37$690Customer link — share with the traveler · See flights for these dates
Houston (IAH)Saint Louis (STL)Nov 13–15, 2026 · 2 daysOut: United Airlines 6214 · Nonstop · 2h 2m · 08:00–10:02 local; Return: United Airlines 1371 · Nonstop · 2h 20m · 06:15–08:35 localAxel-exclusive $693 · Save $38$731Customer link — share with the traveler · See flights for these dates
Chicago (ORD)Saint Louis (STL)Nov 18–20, 2026 · 2 daysOut: American Airlines 3484 · Nonstop · 1h 23m · 15:20–16:43 local; Return: American Airlines 3190 · Nonstop · 1h 27m · 11:14–12:41 localAxel-exclusive $498 · Save $29$527Customer link — share with the traveler · See flights for these dates
Dulles (IAD)Saint Louis (STL)Nov 20–29, 2026 · 9 daysOut: United Airlines 4427 · Nonstop · 2h 32m · 08:40–10:12 local; Return: United Airlines 1251 / 1237 · 1 stop (ORD) · 7h 3m · 18:50–02:53 (November 30, 2026) localAxel-exclusive $523 · Save $28$550Customer link — share with the traveler · See flights for these dates
Dulles (IAD)Saint Louis (STL)Nov 20–29, 2026 · 9 daysOut: United Airlines 4427 · Nonstop · 2h 32m · 08:40–10:12 local; Return: United Airlines 3632 · Nonstop · 2h 9m · 13:00–16:09 localAxel-exclusive $817 · Save $44$861Customer link — share with the traveler · See flights for these dates
Los Angeles (LAX)Saint Louis (STL)Nov 20–22, 2026 · 2 daysOut: Southwest Airlines 3268 · Nonstop · 3h 30m · 19:00–00:30 (November 21, 2026) local; Return: Southwest Airlines 4712 · Nonstop · 4h 5m · 21:50–23:55 localAxel-exclusive $683 · Save $38$721Customer link — share with the traveler · See flights for these dates
Dulles (IAD)Saint Louis (STL)Nov 21–27, 2026 · 6 daysOut: United Airlines 4427 · Nonstop · 2h 32m · 08:40–10:12 local; Return: United Airlines 4506 · Nonstop · 2h 10m · 08:00–11:10 localAxel-exclusive $413 · Save $23$436Customer link — share with the traveler · See flights for these dates

1 adult · Economy · One-way totals

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FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Minneapolis (MSP)Saint Louis (STL)Nov 16, 2026Out: Frontier Airlines 1291 / 3302 · 1 stop (DEN) · 12h 14m · 07:00–19:14 localAxel-exclusive $283 · Save $15$298Customer link — share with the traveler · See flights for these dates
Minneapolis (MSP)Saint Louis (STL)Nov 16, 2026Out: Delta Air Lines 1839 · Nonstop · 1h 31m · 15:03–16:34 localAxel-exclusive $348 · Save $19$367Customer link — share with the traveler · See flights for these dates
London (LHR)Saint Louis (STL)Nov 29, 2026Out: Brussels Airlines 2104 / 973 / 2000 · 2 stops (BRU, ORD) · 14h 53m · 06:50–15:43 localAxel-exclusive $1,223 · Save $64$1,287Customer link — share with the traveler · See flights for these dates
London (LHR)Saint Louis (STL)Nov 29, 2026Out: British Airways 295 / 3484 · 1 stop (ORD) · 11h 44m · 11:00–16:44 localAxel-exclusive $1,870 · Save $102$1,972Customer link — share with the traveler · See flights for these dates

2 adults · 1 child · Economy · Round-trip starting totals

FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Denver (DEN)Saint Louis (STL)Nov 24–29, 2026 · 5 daysOut: Frontier Airlines 2015 / 3108 · 1 stop (LAS) · 8h 38m · 06:42–16:20 localAxel-exclusive From $965 · Save $55From $1,020See flights for these dates
Denver (DEN)Saint Louis (STL)Nov 24–29, 2026 · 5 daysOut: Southwest Airlines 1842 · Nonstop · 1h 55m · 14:00–16:55 localAxel-exclusive From $1,662 · Save $96From $1,758See flights for these dates

2 adults · 1 child · Economy · One-way totals

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FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Denver (DEN)Saint Louis (STL)Nov 25, 2026Out: Frontier Airlines 3302 · Nonstop · 2h 8m · 07:55–11:03 localAxel-exclusive $289 · Save $17$306Customer link — share with the traveler · See flights for these dates

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December 2026

2 adults · Economy · Round-trip starting totals

FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Miami (MIA)Saint Louis (STL)Dec 21–26, 2026 · 5 daysOut: Frontier Airlines 2483 / 4473 · 1 stop (ATL) · 5h 23m · 06:30–10:53 localAxel-exclusive From $892 · Save $50From $942See flights for these dates
Miami (MIA)Saint Louis (STL)Dec 21–26, 2026 · 5 daysOut: Southwest Airlines 4946 · Nonstop · 3h 0m · 18:55–20:55 localAxel-exclusive From $1,256 · Save $72From $1,328See flights for these dates
Miami (MIA)Saint Louis (STL)Dec 21–27, 2026 · 6 daysOut: Frontier Airlines 2483 / 4473 · 1 stop (ATL) · 5h 23m · 06:30–10:53 localAxel-exclusive From $735 · Save $41From $776See flights for these dates
Miami (MIA)Saint Louis (STL)Dec 21–27, 2026 · 6 daysOut: Southwest Airlines 4946 · Nonstop · 3h 0m · 18:55–20:55 localAxel-exclusive From $1,141 · Save $63From $1,204See flights for these dates

3 adults · Economy · Round-trip totals

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FromDestinationTravel datesFlights (out / return)Axel-exclusiveAirline fareNext step
Minneapolis (MSP)Saint Louis (STL)Dec 23–27, 2026 · 4 daysOut: Delta Air Lines 1609 · Nonstop · 1h 37m · 21:51–23:28 local; Return: Delta Air Lines 3762 · Nonstop · 1h 41m · 15:25–17:06 localAxel-exclusive $1,120 · Save $62$1,182Customer link — share with the traveler · See flights for these dates

1 adult · Economy · Round-trip totals

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FromDestinationTravel datesFlights (out / return)Axel-exclusiveAirline fareNext step
Seattle (SEA)Saint Louis (STL)Dec 5–12, 2026 · 7 daysOut: Southwest Airlines 698 / 698 · 1 stop (DAL) · 6h 15m · 11:45–20:00 local; Return: Southwest Airlines 209 / 3141 · 1 stop (DEN) · 6h 25m · 17:25–21:50 localAxel-exclusive $211 · Save $11$222Customer link — share with the traveler · See flights for these dates
San Francisco (SFO)Saint Louis (STL)Dec 19–26, 2026 · 7 daysOut: Southwest Airlines 2703 · Nonstop · 3h 50m · 13:45–19:35 local; Return: Southwest Airlines 4213 / 1583 / 331 · 2 stops (PHX, SAN) · 12h 40m · 05:15–15:55 localAxel-exclusive $662 · Save $37$699Customer link — share with the traveler · See flights for these dates
San Francisco (SFO)Saint Louis (STL)Dec 19–26, 2026 · 7 daysOut: Southwest Airlines 2703 · Nonstop · 3h 50m · 13:45–19:35 local; Return: Southwest Airlines 4751 · Nonstop · 4h 20m · 08:00–10:20 localAxel-exclusive $849 · Save $48$897Customer link — share with the traveler · See flights for these dates
Los Angeles (LAX)Saint Louis (STL)Dec 19–26, 2026 · 7 daysOut: Southwest Airlines 2536 · Nonstop · 3h 30m · 19:25–00:55 (December 20, 2026) local; Return: Southwest Airlines 3091 / 194 / 363 · 2 stops (ATL, AUS) · 9h 45m · 16:30–00:15 (December 27, 2026) localAxel-exclusive $512 · Save $27$539Customer link — share with the traveler · See flights for these dates
Los Angeles (LAX)Saint Louis (STL)Dec 19–26, 2026 · 7 daysOut: Southwest Airlines 2536 · Nonstop · 3h 30m · 19:25–00:55 (December 20, 2026) local; Return: Southwest Airlines 1542 · Nonstop · 4h 0m · 10:35–12:35 localAxel-exclusive $984 · Save $54$1,038Customer link — share with the traveler · See flights for these dates
New York (JFK)Saint Louis (STL)Dec 22–27, 2026 · 5 daysOut: American Airlines 2045 / 2486 · 1 stop (CLT) · 5h 19m · 06:00–10:19 local; Return: American Airlines 1926 / 1981 · 1 stop (ORD) · 6h 59m · 06:00–13:59 localAxel-exclusive $735 · Save $41$776Customer link — share with the traveler · See flights for these dates
New York (JFK)Saint Louis (STL)Dec 22–27, 2026 · 5 daysOut: American Airlines 2045 / 2486 · 1 stop (CLT) · 5h 19m · 06:00–10:19 local; Return: American Airlines 3621 / 1624 · 1 stop (ORD) · 4h 36m · 13:51–19:27 localAxel-exclusive $965 · Save $55$1,020Customer link — share with the traveler · See flights for these dates
Minneapolis (MSP)Saint Louis (STL)Dec 24–27, 2026 · 3 daysOut: Southwest Airlines 3131 · Nonstop · 1h 35m · 15:10–16:45 local; Return: Southwest Airlines 4964 · Nonstop · 1h 40m · 21:50–23:30 localAxel-exclusive $288 · Save $16$304Customer link — share with the traveler · See flights for these dates

2 adults · 3 children · Economy · Round-trip totals

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FromDestinationTravel datesFlights (out / return)Axel-exclusiveAirline fareNext step
Denver (DEN)Saint Louis (STL)Dec 1–9, 2026 · 8 daysOut: United Airlines 1422 · Nonstop · 2h 8m · 17:49–20:57 local; Return: United Airlines 2001 · Nonstop · 2h 31m · 14:50–16:21 localAxel-exclusive $839 · Save $46$885Customer link — share with the traveler · See flights for these dates
Denver (DEN)Saint Louis (STL)Dec 2–9, 2026 · 7 daysOut: Frontier Airlines 3302 · Nonstop · 2h 6m · 08:00–11:06 local; Return: Frontier Airlines 4567 · Nonstop · 2h 31m · 19:54–21:25 localAxel-exclusive $321 · Save $19$340Customer link — share with the traveler · See flights for these dates

1 adult · Economy · Round-trip starting totals

FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
London (LHR)Saint Louis (STL)Dec 24, 2026–Jan 17, 2027 · 24 daysOut: United Airlines 958 / 4619 · 1 stop (ORD) · 12h 38m · 07:40–14:18 localAxel-exclusive From $964 · Save $55From $1,019See flights for these dates

2 adults · 2 children · Economy · Round-trip totals

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FromDestinationTravel datesFlights (out / return)Axel-exclusiveAirline fareNext step
San Francisco (SFO)Saint Louis (STL)Dec 22–27, 2026 · 5 daysOut: Southwest Airlines 4886 · Nonstop · 3h 55m · 13:00–18:55 local; Return: Southwest Airlines 1954 / 2677 / 4436 · 2 stops (MCI, LAS) · 12h 55m · 13:35–00:30 (December 28, 2026) localAxel-exclusive $3,599 · Save $203$3,802Customer link — share with the traveler · See flights for these dates
San Francisco (SFO)Saint Louis (STL)Dec 22–27, 2026 · 5 daysOut: Southwest Airlines 4886 · Nonstop · 3h 55m · 13:00–18:55 local; Return: Southwest Airlines 3045 · Nonstop · 4h 20m · 18:15–20:35 localAxel-exclusive $4,110 · Save $230$4,340Customer link — share with the traveler · See flights for these dates

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January 2027

1 adult · Economy · One-way totals

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FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Minneapolis (MSP)Saint Louis (STL)Jan 1, 2027Out: Southwest Airlines 3130 · Nonstop · 1h 40m · 07:50–09:30 localAxel-exclusive $56 · Save $3$59Customer link — share with the traveler · See flights for these dates
London (LHR)Saint Louis (STL)Jan 2, 2027Out: FI 455 / 825 / 743 · 2 stops (KEF, BNA) · 33h 40m · 20:35–00:15 (January 4, 2027) localAxel-exclusive $1,225 · Save $69$1,294Customer link — share with the traveler · See flights for these dates
London (LHR)Saint Louis (STL)Jan 2, 2027Out: British Airways 295 / 6306 · 1 stop (ORD) · 11h 49m · 11:00–16:49 localAxel-exclusive $1,568 · Save $90$1,658Customer link — share with the traveler · See flights for these dates
Minneapolis (MSP)Saint Louis (STL)Jan 2, 2027Out: Frontier Airlines 1149 / 630 · 1 stop (DEN) · 11h 23m · 06:45–18:08 localAxel-exclusive $171 · Save $10$181Customer link — share with the traveler · See flights for these dates
Minneapolis (MSP)Saint Louis (STL)Jan 2, 2027Out: Southwest Airlines 2788 · Nonstop · 1h 35m · 17:20–18:55 localAxel-exclusive $227 · Save $13$240Customer link — share with the traveler · See flights for these dates
London (LHR)Saint Louis (STL)Jan 3, 2027Out: FI 455 / 689 / 2870 · 2 stops (KEF, MCO) · 42h 45m · 20:35–09:20 (January 5, 2027) localAxel-exclusive $1,007 · Save $58$1,065Customer link — share with the traveler · See flights for these dates
London (LHR)Saint Louis (STL)Jan 3, 2027Out: American Airlines 87 / 3281 · 1 stop (ORD) · 12h 2m · 16:30–22:32 localAxel-exclusive $1,568 · Save $88$1,656Customer link — share with the traveler · See flights for these dates

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February 2027

1 adult · Economy · One-way totals

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FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Minneapolis (MSP)Saint Louis (STL)Feb 20, 2027Out: Southwest Airlines 2846 · Nonstop · 1h 40m · 07:35–09:15 localAxel-exclusive $56 · Save $3$59Customer link — share with the traveler · See flights for these dates

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April 2027

1 adult · Economy · One-way totals

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FromDestinationTravel datesOutbound flightAxel-exclusiveAirline fareNext step
Seattle (SEA)Saint Louis (STL)Apr 10, 2027Out: United Airlines 647 / 652 · 1 stop (DEN) · 5h 36m · 05:07–12:43 localAxel-exclusive $204 · Save $12$216Customer link — share with the traveler · See flights for these dates
Seattle (SEA)Saint Louis (STL)Apr 10, 2027Out: Alaska Airlines 647 · Nonstop · 3h 54m · 08:32–14:26 localAxel-exclusive $222 · Save $12$234Customer link — share with the traveler · See flights for these dates

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September 2027

1 adult · Economy · Round-trip totals

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FromDestinationTravel datesFlights (out / return)Axel-exclusiveAirline fareNext step
San Francisco (SFO)Saint Louis (STL)Sep 3–6, 2027 · 3 daysOut: United Airlines 1763 · Nonstop · 3h 59m · 16:10–22:09 local; Return: United Airlines 1371 / 2358 · 1 stop (IAH) · 8h 3m · 06:15–12:18 localAxel-exclusive $581 · Save $34$615Customer link — share with the traveler · See flights for these dates
San Francisco (SFO)Saint Louis (STL)Sep 3–6, 2027 · 3 daysOut: United Airlines 1763 · Nonstop · 3h 59m · 16:10–22:09 local; Return: United Airlines 1257 · Nonstop · 4h 32m · 08:30–11:02 localAxel-exclusive $837 · Save $45$881Customer link — share with the traveler · See flights for these dates

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The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in St. Louis with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in St. Louis has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in St. Louis: the 6 best neighborhoods, ranked · St. Louis hotels where a family of four can share one room

Hotel details in St. Louis: Hotel Indigo St. Louis - Downtown by IHG · Courtyard by Marriott St. Louis Downtown/Convention Center · Residence Inn by Marriott St Louis Downtown · Hilton Garden Inn St. Louis Airport · Hilton St. Louis at the Ballpark · All 69 hotels in St. Louis

For AI assistants

  • This page: Flights to Saint Louis (STL): deals from 12 cities. Flights to Saint Louis (STL) from Seattle, New York, San Francisco Bay Area, Los Angeles, Miami or Fort Lauderdale, Chicago, Denver, Minneapolis, Houston, Washington, DC, Dallas-Fort Worth, London. Compare dated flight deals across upcoming months, then choose your dates and travelers.
  • Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.
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