Flights from Saint Louis to the Pacific Northwest in summer: flights from $150 one way, Nov 2026–Sep 2027

Flights for the months ahead

Lowest published fares for the months ahead: $295 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 3–6, 2026; $150 one way, Axel-exclusive, Southwest Airlines, 1 stop, Dec 1, 2026; 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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Saint Louis (STL) to Seattle (SEA): November 2026

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

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

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

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

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

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

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

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

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

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

Hotels in Seattle for these trips

Hotels: under a trip, hotels in Seattle for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

• Hotels in Seattle for these nights (Nov 19–22, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $228 total · 4★ Hilton Seattle Airport & Conference Center, $288 total · 5★ Fairmont Olympic Hotel, $832 total
• Hotels in Seattle for these nights (Nov 20–23, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $227 total · 4★ Hilton Seattle Airport & Conference Center, $289 total · 5★ Fairmont Olympic Hotel, $782 total
• Hotels in Seattle for these nights (Nov 21–28, 2026 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $535 total · 4★ citizenM Seattle Pioneer Square, $633 total · 5★ Fairmont Olympic Hotel, $1,775 total
• Hotels in Seattle for these nights (Nov 24–29, 2026 · 5 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $386 total · 4★ citizenM Seattle Pioneer Square, $452 total · 5★ Fairmont Olympic Hotel, $1,236 total
• Hotels in Seattle for these nights (Nov 26–29, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $233 total · 4★ citizenM Seattle Pioneer Square, $283 total · 5★ Fairmont Olympic Hotel, $730 total
• Hotels in Seattle for these nights (Nov 27–30, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $231 total · 4★ Hilton Seattle Airport & Conference Center, $277 total · 5★ Fairmont Olympic Hotel, $708 total
• Hotels in Seattle for these nights (Nov 28 – Dec 5, 2026 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $538 total · 4★ Hilton Seattle Airport & Conference Center, $661 total · 5★ Fairmont Olympic Hotel, $1,716 total
• Hotels in Seattle for these nights (Dec 3–6, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $232 total · 4★ Hilton Seattle Airport & Conference Center, $289 total · 5★ Fairmont Olympic Hotel, $781 total
• Hotels in Seattle for these nights (Dec 4–7, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $237 total · 4★ Hilton Seattle Airport & Conference Center, $289 total · 5★ Fairmont Olympic Hotel, $778 total
• Hotels in Seattle for these nights (Dec 5–12, 2026 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $542 total · 4★ Graduate by Hilton Seattle, $923 total · 5★ Fairmont Olympic Hotel, $1,913 total
• Hotels in Seattle for these nights (Dec 10–13, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $233 total · 4★ Graduate by Hilton Seattle, $405 total · 5★ Fairmont Olympic Hotel, $853 total
• Hotels in Seattle for these nights (Dec 11–14, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $231 total · 4★ Graduate by Hilton Seattle, $406 total · 5★ Fairmont Olympic Hotel, $852 total
• Hotels in Seattle for these nights (Dec 12–19, 2026 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $540 total · 4★ citizenM Seattle Pioneer Square, $845 total · 5★ Fairmont Olympic Hotel, $1,831 total
• Hotels in Seattle for these nights (Dec 17–20, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $236 total · 4★ citizenM Seattle Pioneer Square, $304 total · 5★ Fairmont Olympic Hotel, $700 total
• Hotels in Seattle for these nights (Dec 18–21, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $232 total · 4★ citizenM Seattle Pioneer Square, $328 total · 5★ Fairmont Olympic Hotel, $692 total
• Hotels in Seattle for these nights (Dec 19–26, 2026 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $535 total · 4★ Mayflower Park Hotel, $862 total · 5★ Fairmont Olympic Hotel, $1,754 total
• Hotels in Seattle for these nights (Dec 22–27, 2026 · 5 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $384 total · 4★ Mayflower Park Hotel, $626 total · 5★ Fairmont Olympic Hotel, $1,270 total
• Hotels in Seattle for these nights (Dec 24–27, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $234 total · 4★ Astra Hotel, Seattle, A Tribute Portfolio Hotel by Marriott, $382 total · 5★ Fairmont Olympic Hotel, $764 total
• Hotels in Seattle for these nights (Dec 25–28, 2026 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $232 total · 4★ Astra Hotel, Seattle, A Tribute Portfolio Hotel by Marriott, $353 total · 5★ Fairmont Olympic Hotel, $756 total
• Hotels in Seattle for these nights (Dec 26 – Jan 2, 2027 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $546 total · 4★ Mayflower Park Hotel, $869 total · 5★ Fairmont Olympic Hotel, $1,886 total
• Hotels in Seattle for these nights (Dec 30 – Jan 2, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $240 total · 4★ Mayflower Park Hotel, $383 total · 5★ Fairmont Olympic Hotel, $933 total
• Hotels in Seattle for these nights (Dec 31 – Jan 3, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $252 total · 4★ Mayflower Park Hotel, $391 total · 5★ Fairmont Olympic Hotel, $933 total
• Hotels in Seattle for these nights (Jan 1–4, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $269 total · 4★ citizenM Seattle Pioneer Square, $345 total · 5★ Fairmont Olympic Hotel, $745 total
• Hotels in Seattle for these nights (Jan 2–9, 2027 · 7 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $729 total · 4★ citizenM Seattle Pioneer Square, $705 total · 5★ Fairmont Olympic Hotel, $1,735 total
• Hotels in Seattle for these nights (Jan 7–10, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $304 total · 4★ citizenM Seattle Pioneer Square, $342 total · 5★ Fairmont Olympic Hotel, $752 total
• Hotels in Seattle for these nights (Jan 8–11, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $305 total · 4★ citizenM Seattle Pioneer Square, $336 total · 5★ Fairmont Olympic Hotel, $737 total
• Hotels in Seattle for these nights (Jan 9–16, 2027 · 7 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $731 total · 4★ citizenM Seattle Pioneer Square, $883 total · 5★ Fairmont Olympic Hotel, $1,732 total
• Hotels in Seattle for these nights (Jan 14–17, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $305 total · 4★ Graduate by Hilton Seattle, $379 total · 5★ Fairmont Olympic Hotel, $749 total
• Hotels in Seattle for these nights (Jan 15–18, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $306 total · 4★ Graduate by Hilton Seattle, $377 total · 5★ Fairmont Olympic Hotel, $734 total
• Hotels in Seattle for these nights (Jan 16–23, 2027 · 7 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $726 total · 4★ citizenM Seattle Pioneer Square, $876 total · 5★ Fairmont Olympic Hotel, $1,732 total
• Hotels in Seattle for these nights (Jan 21–24, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $305 total · 4★ citizenM Seattle Pioneer Square, $363 total · 5★ Fairmont Olympic Hotel, $749 total
• Hotels in Seattle for these nights (Jan 22–25, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $304 total · 4★ citizenM Seattle Pioneer Square, $359 total · 5★ Fairmont Olympic Hotel, $756 total
• Hotels in Seattle for these nights (Jan 23–30, 2027 · 7 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $727 total · 4★ citizenM Seattle Pioneer Square, $855 total · 5★ Fairmont Olympic Hotel, $1,913 total
• Hotels in Seattle for these nights (Jan 28–31, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $273 total · 4★ citizenM Seattle Pioneer Square, $387 total · 5★ Fairmont Olympic Hotel, $809 total
• Hotels in Seattle for these nights (Jan 29 – Feb 1, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $273 total · 4★ citizenM Seattle Pioneer Square, $377 total · 5★ Fairmont Olympic Hotel, $787 total
• Hotels in Seattle for these nights (Jan 30 – Feb 6, 2027 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $673 total · 4★ Mayflower Park Hotel, $883 total · 5★ Fairmont Olympic Hotel, $1,762 total
• Hotels in Seattle for these nights (Feb 4–7, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $281 total · 4★ Mayflower Park Hotel, $383 total · 5★ Fairmont Olympic Hotel, $754 total
• Hotels in Seattle for these nights (Feb 5–8, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $273 total · 4★ Mayflower Park Hotel, $382 total · 5★ Fairmont Olympic Hotel, $741 total
• Hotels in Seattle for these nights (Feb 6–13, 2027 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $651 total · 4★ Mayflower Park Hotel, $885 total · 5★ Fairmont Olympic Hotel, $1,766 total
• Hotels in Seattle for these nights (Feb 12–15, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $272 total · 4★ Mayflower Park Hotel, $387 total · 5★ Fairmont Olympic Hotel, $745 total
• Hotels in Seattle for these nights (Feb 19–22, 2027 · 3 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $285 total · 4★ Mayflower Park Hotel, $396 total · 5★ Fairmont Olympic Hotel, $756 total
• Hotels in Seattle for these nights (Feb 20–27, 2027 · 7 nights · 2 adults, 1 room): 3★ Hotel 116, A Coast Hotel Bellevue, $711 total · 4★ Graduate by Hilton Seattle, $966 total · 5★ Fairmont Olympic Hotel, $1,838 total
• Hotels in Seattle for these nights (Mar 19–22, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $283 total · 4★ Mayflower Park Hotel, $434 total · 5★ Fairmont Olympic Hotel, $756 total
• Hotels in Seattle for these nights (Mar 20–27, 2027 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $712 total · 4★ Mayflower Park Hotel, $1,005 total · 5★ Fairmont Olympic Hotel, $1,813 total
• Hotels in Seattle for these nights (Mar 25–29, 2027 · 4 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $381 total · 4★ Hilton Seattle Airport & Conference Center, $473 total · 5★ Fairmont Olympic Hotel, $1,030 total
• Hotels in Seattle for these nights (Apr 16–19, 2027 · 3 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $284 total · 4★ Hilton Seattle Airport & Conference Center, $420 total · 5★ Fairmont Olympic Hotel, $852 total
• Hotels in Seattle for these nights (Apr 17–24, 2027 · 7 nights · 2 adults, 1 room): 3★ Red Lion Hotel Bellevue, $715 total · 4★ Mayflower Park Hotel, $1,004 total · 5★ Fairmont Olympic Hotel, $2,083 total
• Hotels in Seattle for these nights (May 14–17, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (May 15–22, 2027 · 7 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (May 28–31, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Jun 11–14, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Jun 12–19, 2027 · 7 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Jul 2–6, 2027 · 4 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Jul 9–12, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Jul 10–17, 2027 · 7 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Aug 6–9, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Aug 7–14, 2027 · 7 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Sep 3–6, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Sep 4–11, 2027 · 7 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Sep 24–27, 2027 · 3 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle
• Hotels in Seattle for these nights (Sep 25 – Oct 2, 2027 · 7 nights · 2 adults, 1 room): 3★ The Arctic Club Seattle · 4★ Mayflower Park Hotel · 5★ Four Seasons Hotel Seattle

All hotels in Seattle

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

2026-11-19 → 2026-11-22 · Axel-exclusive $348.75

• American Airlines AA3198 / AS407: STL 2026-11-19 11:37:00 → SEA 2026-11-19 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
  • AA3198: STL 2026-11-19 11:37:00 → ORD 2026-11-19 12:59:00; layover at ORD: 140 minutes.
  • AS407: ORD 2026-11-19 15:19:00 → SEA 2026-11-19 18:11:00.
• American Airlines AA630 / AA2897: SEA 2026-11-22 00:47:00 → STL 2026-11-22 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
  • AA630: SEA 2026-11-22 00:47:00 → DFW 2026-11-22 06:39:00; layover at DFW: 64 minutes.
  • AA2897: DFW 2026-11-22 07:43:00 → STL 2026-11-22 09:31:00.

2026-11-19 → 2026-11-22 · Axel-exclusive $371.25

• Alaska Airlines AS615: STL 2026-11-19 06:04:00 → SEA 2026-11-19 08:50:00; nonstop; 286 minutes. Local airport times.
• Alaska Airlines AS647: SEA 2026-11-22 18:07:00 → STL 2026-11-22 23:59:00; nonstop; 232 minutes. Local airport times.

2026-11-24 · one way · Axel-exclusive $187.50

• Southwest Airlines WN2467 / WN2455: STL 2026-11-24 18:40:00 → SEA 2026-11-25 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
  • WN2467: STL 2026-11-24 18:40:00 → PHX 2026-11-24 21:00:00; layover at PHX: 105 minutes.
  • WN2455: PHX 2026-11-24 22:45:00 → SEA 2026-11-25 01:00:00.

2026-11-24 · one way · Axel-exclusive $212.50

• Alaska Airlines AS615: STL 2026-11-24 06:04:00 → SEA 2026-11-24 08:50:00; nonstop; 286 minutes. Local airport times.

2026-11-28 → 2026-12-05 · Axel-exclusive $331.88

• Southwest Airlines WN2467 / WN2455: STL 2026-11-28 18:40:00 → SEA 2026-11-29 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
  • WN2467: STL 2026-11-28 18:40:00 → PHX 2026-11-28 21:00:00; layover at PHX: 105 minutes.
  • WN2455: PHX 2026-11-28 22:45:00 → SEA 2026-11-29 01:00:00.
• Southwest Airlines WN3823 / WN1844: SEA 2026-12-05 13:35:00 → STL 2026-12-05 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2026-12-05 13:35:00 → DEN 2026-12-05 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2026-12-05 18:05:00 → STL 2026-12-05 21:10:00.

2026-11-28 → 2026-12-05 · Axel-exclusive $371.25

• Alaska Airlines AS669: STL 2026-11-28 06:00:00 → SEA 2026-11-28 08:40:00; nonstop; 280 minutes. Local airport times.
• Alaska Airlines AS647: SEA 2026-12-05 18:08:00 → STL 2026-12-05 23:59:00; nonstop; 231 minutes. Local airport times.

2026-12-12 → 2026-12-19 · Axel-exclusive $339.25

• Southwest Airlines WN2467 / WN2455: STL 2026-12-12 18:40:00 → SEA 2026-12-13 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
  • WN2467: STL 2026-12-12 18:40:00 → PHX 2026-12-12 21:00:00; layover at PHX: 105 minutes.
  • WN2455: PHX 2026-12-12 22:45:00 → SEA 2026-12-13 01:00:00.
• Southwest Airlines WN3823 / WN1844: SEA 2026-12-19 13:35:00 → STL 2026-12-19 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2026-12-19 13:35:00 → DEN 2026-12-19 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2026-12-19 18:05:00 → STL 2026-12-19 21:10:00.

2026-12-12 → 2026-12-19 · Axel-exclusive $379.50

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

2026-12-25 → 2026-12-28 · Axel-exclusive $383.50

• Southwest Airlines WN4144 / WN3141: STL 2026-12-25 17:25:00 → SEA 2026-12-25 22:50:00; 1 stop(s) via DEN; 445 minutes. Local airport times.
  • WN4144: STL 2026-12-25 17:25:00 → DEN 2026-12-25 18:55:00; layover at DEN: 105 minutes.
  • WN3141: DEN 2026-12-25 20:40:00 → SEA 2026-12-25 22:50:00.
• Southwest Airlines WN3823 / WN1844: SEA 2026-12-28 13:35:00 → STL 2026-12-28 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2026-12-28 13:35:00 → DEN 2026-12-28 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2026-12-28 18:05:00 → STL 2026-12-28 21:10:00.

2026-12-25 → 2026-12-28 · Axel-exclusive $429.00

• Alaska Airlines AS615: STL 2026-12-25 06:00:00 → SEA 2026-12-25 08:42:00; nonstop; 282 minutes. Local airport times.
• Alaska Airlines AS618: SEA 2026-12-28 09:41:00 → STL 2026-12-28 15:34:00; nonstop; 233 minutes. Local airport times.

2027-01-07 → 2027-01-10 · Axel-exclusive $295.00

• Southwest Airlines WN4144 / WN3141: STL 2027-01-07 17:25:00 → SEA 2027-01-07 22:50:00; 1 stop(s) via DEN; 445 minutes. Local airport times.
  • WN4144: STL 2027-01-07 17:25:00 → DEN 2027-01-07 18:55:00; layover at DEN: 105 minutes.
  • WN3141: DEN 2027-01-07 20:40:00 → SEA 2027-01-07 22:50:00.
• Southwest Airlines WN3823 / WN1844: SEA 2027-01-10 13:35:00 → STL 2027-01-10 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2027-01-10 13:35:00 → DEN 2027-01-10 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2027-01-10 18:05:00 → STL 2027-01-10 21:10:00.

2027-01-07 → 2027-01-10 · Axel-exclusive $330.00

• Alaska Airlines AS615: STL 2027-01-07 06:04:00 → SEA 2027-01-07 08:50:00; nonstop; 286 minutes. Local airport times.
• Alaska Airlines AS314: SEA 2027-01-10 09:05:00 → STL 2027-01-10 14:56:00; nonstop; 231 minutes. Local airport times.

2027-01-21 → 2027-01-24 · Axel-exclusive $310.00

• American Airlines AA3198 / AS407: STL 2027-01-21 11:37:00 → SEA 2027-01-21 18:11:00; 1 stop(s) via ORD; 514 minutes. Local airport times.
  • AA3198: STL 2027-01-21 11:37:00 → ORD 2027-01-21 12:59:00; layover at ORD: 140 minutes.
  • AS407: ORD 2027-01-21 15:19:00 → SEA 2027-01-21 18:11:00.
• American Airlines AA630 / AA2897: SEA 2027-01-24 00:47:00 → STL 2027-01-24 09:31:00; 1 stop(s) via DFW; 404 minutes. Local airport times.
  • AA630: SEA 2027-01-24 00:47:00 → DFW 2027-01-24 06:39:00; layover at DFW: 64 minutes.
  • AA2897: DFW 2027-01-24 07:43:00 → STL 2027-01-24 09:31:00.

2027-01-21 → 2027-01-24 · Axel-exclusive $320.00

• Delta Air Lines DL2363 / DL2995: STL 2027-01-21 07:08:00 → SEA 2027-01-21 12:36:00; 1 stop(s) via SLC; 448 minutes. Local airport times.
  • DL2363: STL 2027-01-21 07:08:00 → SLC 2027-01-21 09:36:00; layover at SLC: 99 minutes.
  • DL2995: SLC 2027-01-21 11:15:00 → SEA 2027-01-21 12:36:00.
• Delta Air Lines DL536 / DL1839: SEA 2027-01-24 08:30:00 → STL 2027-01-24 16:30:00; 1 stop(s) via MSP; 360 minutes. Local airport times.
  • DL536: SEA 2027-01-24 08:30:00 → MSP 2027-01-24 13:48:00; layover at MSP: 67 minutes.
  • DL1839: MSP 2027-01-24 14:55:00 → STL 2027-01-24 16:30:00.

2027-02-04 → 2027-02-07 · Axel-exclusive $320.00

• Delta Air Lines DL2363 / DL2995: STL 2027-02-04 07:08:00 → SEA 2027-02-04 12:36:00; 1 stop(s) via SLC; 448 minutes. Local airport times.
  • DL2363: STL 2027-02-04 07:08:00 → SLC 2027-02-04 09:36:00; layover at SLC: 99 minutes.
  • DL2995: SLC 2027-02-04 11:15:00 → SEA 2027-02-04 12:36:00.
• Delta Air Lines DL536 / DL1839: SEA 2027-02-07 08:30:00 → STL 2027-02-07 16:30:00; 1 stop(s) via MSP; 360 minutes. Local airport times.
  • DL536: SEA 2027-02-07 08:30:00 → MSP 2027-02-07 13:48:00; layover at MSP: 67 minutes.
  • DL1839: MSP 2027-02-07 14:55:00 → STL 2027-02-07 16:30:00.

2027-02-04 → 2027-02-07 · Axel-exclusive $330.00

• Alaska Airlines AS615: STL 2027-02-04 06:04:00 → SEA 2027-02-04 08:50:00; nonstop; 286 minutes. Local airport times.
• Alaska Airlines AS314: SEA 2027-02-07 09:05:00 → STL 2027-02-07 14:56:00; nonstop; 231 minutes. Local airport times.

2027-03-19 → 2027-03-22 · Axel-exclusive $295.00

• Southwest Airlines WN4144 / WN3141: STL 2027-03-19 17:25:00 → SEA 2027-03-19 22:50:00; 1 stop(s) via DEN; 445 minutes. Local airport times.
  • WN4144: STL 2027-03-19 17:25:00 → DEN 2027-03-19 18:55:00; layover at DEN: 105 minutes.
  • WN3141: DEN 2027-03-19 20:40:00 → SEA 2027-03-19 22:50:00.
• Southwest Airlines WN3823 / WN1844: SEA 2027-03-22 13:35:00 → STL 2027-03-22 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2027-03-22 13:35:00 → DEN 2027-03-22 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2027-03-22 18:05:00 → STL 2027-03-22 21:10:00.

2027-03-19 → 2027-03-22 · Axel-exclusive $330.00

• Alaska Airlines AS615: STL 2027-03-19 06:00:00 → SEA 2027-03-19 08:42:00; nonstop; 282 minutes. Local airport times.
• Alaska Airlines AS314: SEA 2027-03-22 09:05:00 → STL 2027-03-22 14:56:00; nonstop; 231 minutes. Local airport times.

2027-05-15 → 2027-05-22 · Axel-exclusive $375.00

• Southwest Airlines WN2467 / WN2455: STL 2027-05-15 18:40:00 → SEA 2027-05-16 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
  • WN2467: STL 2027-05-15 18:40:00 → PHX 2027-05-15 20:00:00; layover at PHX: 105 minutes.
  • WN2455: PHX 2027-05-15 21:45:00 → SEA 2027-05-16 01:00:00.
• Southwest Airlines WN3823 / WN1844: SEA 2027-05-22 13:35:00 → STL 2027-05-22 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2027-05-22 13:35:00 → DEN 2027-05-22 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2027-05-22 18:05:00 → STL 2027-05-22 21:10:00.

2027-05-15 → 2027-05-22 · Axel-exclusive $410.00

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

2027-07-10 → 2027-07-17 · Axel-exclusive $375.00

• Southwest Airlines WN2467 / WN2455: STL 2027-07-10 18:40:00 → SEA 2027-07-11 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
  • WN2467: STL 2027-07-10 18:40:00 → PHX 2027-07-10 20:00:00; layover at PHX: 105 minutes.
  • WN2455: PHX 2027-07-10 21:45:00 → SEA 2027-07-11 01:00:00.
• Southwest Airlines WN3823 / WN1844: SEA 2027-07-17 13:35:00 → STL 2027-07-17 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2027-07-17 13:35:00 → DEN 2027-07-17 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2027-07-17 18:05:00 → STL 2027-07-17 21:10:00.

2027-07-10 → 2027-07-17 · Axel-exclusive $410.00

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

2027-09-25 → 2027-10-02 · Axel-exclusive $375.00

• Southwest Airlines WN2467 / WN2455: STL 2027-09-25 18:40:00 → SEA 2027-09-26 01:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
  • WN2467: STL 2027-09-25 18:40:00 → PHX 2027-09-25 20:00:00; layover at PHX: 105 minutes.
  • WN2455: PHX 2027-09-25 21:45:00 → SEA 2027-09-26 01:00:00.
• Southwest Airlines WN3823 / WN1844: SEA 2027-10-02 13:35:00 → STL 2027-10-02 21:10:00; 1 stop(s) via DEN; 335 minutes. Local airport times.
  • WN3823: SEA 2027-10-02 13:35:00 → DEN 2027-10-02 17:05:00; layover at DEN: 60 minutes.
  • WN1844: DEN 2027-10-02 18:05:00 → STL 2027-10-02 21:10:00.

2027-09-25 → 2027-10-02 · Axel-exclusive $410.00

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

More dates for this route

• Nov 19, 2026 · Return options
• Nov 27, 2026 · Return options
• Dec 8, 2026 · Return options
• Dec 19, 2026 · Return options
• Dec 29, 2026 · Return options
• Jan 8, 2027 · Return options
• Jan 19, 2027 · Return options
• Jan 30, 2027 · Return options
• Feb 19, 2027 · Return options
• May 14, 2027 · Return options
• Jul 9, 2027 · Return options
• Sep 25, 2027 · Return options
• Hotels in Seattle with Axel

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Where to stay: Where to stay in Seattle: the 9 best neighborhoods, ranked · Seattle hotels where a family of four can share one room

Hotel details in Seattle: Four Seasons Hotel Seattle 5★ · The Sound Hotel Seattle Belltown, Tapestry Collection by Hilton 4★ from $128 a night in the next 30 days · The Maxwell Hotel - A Staypineapple Hotel 3★ · Hotel Sorrento 4★ · The Arctic Club Seattle 3★ · All 124 hotels in Seattle

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