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Saint Louis → Denver

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STL → DEN1 adulteconomy

33 flight options · 4 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
7:54 pmSTL
2h 31m
Nonstop
9:25 pmDEN
Frontier Airlines
12:23 pmDEN
2h 3m
Nonstop
3:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
12:30 pmSTL
2h 25m
Nonstop
1:55 pmDEN
Southwest Airlines
7:20 pmDEN
2h 5m
Nonstop
10:25 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:09 pmSTL
2h 36m
Nonstop
7:45 pmDEN
United Airlines
9:50 amDEN
2h 3m
Nonstop
12:53 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
6:03 amSTL
5h
MSP · 1h 7m
10:03 amDEN
Frontier Airlines
12:23 pmDEN
2h 3m
Nonstop
3:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
7:54 pmSTL
2h 31m
Nonstop
9:25 pmDEN
Frontier Airlines
12:21 pmDEN
2h 2m
Nonstop
3:23 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
4:18 pmSTL
2h 30m
Nonstop
5:48 pmDEN
Frontier Airlines
7:55 amDEN
2h 8m
Nonstop
11:03 amSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
4:18 pmSTL
2h 30m
Nonstop
5:48 pmDEN
Frontier Airlines
12:23 pmDEN
2h 3m
Nonstop
3:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
8:25 amSTL
2h 20m
Nonstop
9:45 amDEN
Southwest Airlines
7:20 pmDEN
2h 5m
Nonstop
10:25 pmSTL

Round-trip total · 1 adult · Taxes included

Show 14 more flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:40 amSTL
2h 31m
Nonstop
10:11 amDEN
United Airlines
9:50 amDEN
2h 3m
Nonstop
12:53 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:40 amSTL
2h 31m
Nonstop
10:11 amDEN
United Airlines
1:55 pmDEN
2h 2m
Nonstop
4:57 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:09 pmSTL
2h 36m
Nonstop
7:45 pmDEN
United Airlines
1:55 pmDEN
2h 2m
Nonstop
4:57 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
7:59 pmSTL
2h 31m
Nonstop
9:30 pmDEN
Southwest Airlines
6:30 pmDEN
5h 5m
DAL · 1h 20m
12:35 am+1STL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
10:35 amSTL
5h 30m
BNA · 1h 30m
3:05 pmDEN
Southwest Airlines
7:20 pmDEN
2h 5m
Nonstop
10:25 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
12:40 pmSTL
4h 50m
MCI · 1h 55m
4:30 pmDEN
Southwest Airlines
7:20 pmDEN
2h 5m
Nonstop
10:25 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
12:20 pmSTL
2h 20m
Nonstop
1:40 pmDEN
Southwest Airlines
11:05 amDEN
4h 40m
MSP · 1h 5m
4:45 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
8:20 amSTL
5h
OMA · 2h
12:20 pmDEN
Southwest Airlines
7:20 pmDEN
2h 5m
Nonstop
10:25 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
5:25 amSTL
6h 1m
ORD · 1h 42m
10:26 amDEN
United Airlines
9:50 amDEN
2h 3m
Nonstop
12:53 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
8:25 amSTL
2h 20m
Nonstop
9:45 amDEN
Southwest Airlines
6:30 pmDEN
5h 5m
DAL · 1h 20m
12:35 am+1STL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
12:40 pmSTL
4h 50m
MCI · 1h 55m
4:30 pmDEN
Southwest Airlines
6:30 pmDEN
5h 5m
DAL · 1h 20m
12:35 am+1STL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
10:35 amSTL
5h 30m
BNA · 1h 30m
3:05 pmDEN
Southwest Airlines
6:30 pmDEN
5h 5m
DAL · 1h 20m
12:35 am+1STL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
8:20 amSTL
5h
OMA · 2h
12:20 pmDEN
Southwest Airlines
6:30 pmDEN
5h 5m
DAL · 1h 20m
12:35 am+1STL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:03 amSTL
5h
MSP · 1h 7m
10:03 amDEN
Southwest Airlines
6:30 pmDEN
5h 5m
DAL · 1h 20m
12:35 am+1STL

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Frontier Airlines
7:54 pmSTL
2h 31m
Nonstop
9:25 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
12:30 pmSTL
2h 25m
Nonstop
1:55 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:40 amSTL
2h 31m
Nonstop
10:11 amDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:03 amSTL
5h
MSP · 1h 7m
10:03 amDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
8:25 amSTL
2h 20m
Nonstop
9:45 amDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:09 pmSTL
2h 36m
Nonstop
7:45 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
8:20 amSTL
5h
OMA · 2h
12:20 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
12:40 pmSTL
4h 50m
MCI · 1h 55m
4:30 pmDEN

One-way total · 1 adult · Taxes included

Show 3 more flights

Fri, Nov 20 · One way

Southwest Airlines
3:50 pmSTL
6h 5m
DAL · 2h 10m
8:55 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
10:35 amSTL
5h 30m
BNA · 1h 30m
3:05 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
5:25 amSTL
6h 1m
ORD · 1h 42m
10:26 amDEN

One-way total · 1 adult · Taxes included

Make this trip yours

STL ⇄ DEN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Frontier Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayFrontier AirlinesF94567$85.002026-10-29T01:28:26Z
2026-11-20 · one waySouthwest AirlinesWN1808$145.002026-10-29T01:28:26Z
2026-11-20 · one wayUnited AirlinesUA1605$155.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Frontier AirlinesF94567 / F9630$165.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Southwest AirlinesWN1808 / WN1844$280.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23United AirlinesUA756 / UA652$300.002026-10-29T01:28:26Z
2026-11-20 · one wayDelta Air LinesDL1597 + DL2849$185.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Delta Air Lines / Frontier AirlinesDL1597 + DL2849 / F9630$262.502026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Frontier AirlinesF94567 / F93302$193.882026-10-29T01:28:26Z
2026-11-20 · one waySouthwest AirlinesWN1755$145.002026-10-29T01:28:26Z
2026-11-20 · one wayUnited AirlinesUA756$155.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Frontier AirlinesF94567 / F93302$165.002026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Frontier AirlinesF94567 / F9630$193.882026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Southwest AirlinesWN1755 / WN1844$280.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23United AirlinesUA1605 / UA652$300.002026-10-29T01:28:26Z
2026-11-27 → 2026-12-04United AirlinesUA1605 / UA1639$352.502026-10-29T01:28:26Z
2026-11-27 → 2026-12-04United AirlinesUA756 / UA1639$352.502026-10-29T01:28:26Z
2026-11-20 · one waySouthwest AirlinesWN3286 + WN1766$155.002026-10-29T01:28:26Z
2026-11-20 · one waySouthwest AirlinesWN4372 + WN1758$155.002026-10-29T01:28:26Z
2026-11-20 · one waySouthwest AirlinesWN2015 + WN200$155.002026-10-29T01:28:26Z
2026-11-20 · one waySouthwest AirlinesWN665 + WN1313$155.002026-10-29T01:28:26Z
2026-11-20 · one wayUnited AirlinesUA4439 + UA2495$165.002026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Frontier Airlines / Southwest AirlinesF94567 / WN235 + WN4472$261.382026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Southwest AirlinesWN665 + WN1313 / WN1844$290.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4372 + WN1758 / WN1844$290.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Southwest AirlinesWN1808 / WN2832 + WN3131$290.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23Southwest AirlinesWN3286 + WN1766 / WN1844$290.002026-10-29T01:28:26Z
2026-11-20 → 2026-11-23United AirlinesUA4439 + UA2495 / UA652$310.002026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Southwest AirlinesWN1755 / WN235 + WN4472$339.002026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4372 + WN1758 / WN235 + WN4472$352.502026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Southwest AirlinesWN665 + WN1313 / WN235 + WN4472$352.502026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Southwest AirlinesWN3286 + WN1766 / WN235 + WN4472$352.502026-10-29T01:28:26Z
2026-11-27 → 2026-12-04Delta Air Lines / Southwest AirlinesDL1597 + DL2849 / WN235 + WN4472$393.002026-10-29T01:28:26Z

2026-11-20 · one way · $85.00

  • Frontier Airlines F94567: STL 2026-11-20 19:54:00 → DEN 2026-11-20 21:25:00; nonstop; 151 minutes. Local airport times.

2026-11-20 · one way · $145.00

  • Southwest Airlines WN1808: STL 2026-11-20 12:30:00 → DEN 2026-11-20 13:55:00; nonstop; 145 minutes. Local airport times.

2026-11-20 · one way · $155.00

  • United Airlines UA1605: STL 2026-11-20 08:40:00 → DEN 2026-11-20 10:11:00; nonstop; 151 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $165.00

  • Frontier Airlines F94567: STL 2026-11-20 19:54:00 → DEN 2026-11-20 21:25:00; nonstop; 151 minutes. Local airport times.
  • Frontier Airlines F9630: DEN 2026-11-23 12:23:00 → STL 2026-11-23 15:26:00; nonstop; 123 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $280.00

  • Southwest Airlines WN1808: STL 2026-11-20 12:30:00 → DEN 2026-11-20 13:55:00; nonstop; 145 minutes. Local airport times.
  • Southwest Airlines WN1844: DEN 2026-11-23 19:20:00 → STL 2026-11-23 22:25:00; nonstop; 125 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $300.00

  • United Airlines UA756: STL 2026-11-20 18:09:00 → DEN 2026-11-20 19:45:00; nonstop; 156 minutes. Local airport times.
  • United Airlines UA652: DEN 2026-11-23 09:50:00 → STL 2026-11-23 12:53:00; nonstop; 123 minutes. Local airport times.

2026-11-20 · one way · $185.00

  • Delta Air Lines DL1597 / DL2849: STL 2026-11-20 06:03:00 → DEN 2026-11-20 10:03:00; 1 stop(s) via MSP; 300 minutes. Local airport times.
    • DL1597: STL 2026-11-20 06:03:00 → MSP 2026-11-20 07:43:00; layover at MSP: 67 minutes.
    • DL2849: MSP 2026-11-20 08:50:00 → DEN 2026-11-20 10:03:00.

2026-11-20 → 2026-11-23 · $262.50

  • Delta Air Lines DL1597 / DL2849: STL 2026-11-20 06:03:00 → DEN 2026-11-20 10:03:00; 1 stop(s) via MSP; 300 minutes. Local airport times.
    • DL1597: STL 2026-11-20 06:03:00 → MSP 2026-11-20 07:43:00; layover at MSP: 67 minutes.
    • DL2849: MSP 2026-11-20 08:50:00 → DEN 2026-11-20 10:03:00.
  • Frontier Airlines F9630: DEN 2026-11-23 12:23:00 → STL 2026-11-23 15:26:00; nonstop; 123 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $193.88

  • Frontier Airlines F94567: STL 2026-11-27 19:54:00 → DEN 2026-11-27 21:25:00; nonstop; 151 minutes. Local airport times.
  • Frontier Airlines F93302: DEN 2026-12-04 12:21:00 → STL 2026-12-04 15:23:00; nonstop; 122 minutes. Local airport times.

2026-11-20 · one way · $145.00

  • Southwest Airlines WN1755: STL 2026-11-20 08:25:00 → DEN 2026-11-20 09:45:00; nonstop; 140 minutes. Local airport times.

2026-11-20 · one way · $155.00

  • United Airlines UA756: STL 2026-11-20 18:09:00 → DEN 2026-11-20 19:45:00; nonstop; 156 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $165.00

  • Frontier Airlines F94567: STL 2026-11-20 16:18:00 → DEN 2026-11-20 17:48:00; nonstop; 150 minutes. Local airport times.
  • Frontier Airlines F93302: DEN 2026-11-23 07:55:00 → STL 2026-11-23 11:03:00; nonstop; 128 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $193.88

  • Frontier Airlines F94567: STL 2026-11-27 16:18:00 → DEN 2026-11-27 17:48:00; nonstop; 150 minutes. Local airport times.
  • Frontier Airlines F9630: DEN 2026-12-04 12:23:00 → STL 2026-12-04 15:26:00; nonstop; 123 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $280.00

  • Southwest Airlines WN1755: STL 2026-11-20 08:25:00 → DEN 2026-11-20 09:45:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN1844: DEN 2026-11-23 19:20:00 → STL 2026-11-23 22:25:00; nonstop; 125 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $300.00

  • United Airlines UA1605: STL 2026-11-20 08:40:00 → DEN 2026-11-20 10:11:00; nonstop; 151 minutes. Local airport times.
  • United Airlines UA652: DEN 2026-11-23 09:50:00 → STL 2026-11-23 12:53:00; nonstop; 123 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $352.50

  • United Airlines UA1605: STL 2026-11-27 08:40:00 → DEN 2026-11-27 10:11:00; nonstop; 151 minutes. Local airport times.
  • United Airlines UA1639: DEN 2026-12-04 13:55:00 → STL 2026-12-04 16:57:00; nonstop; 122 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $352.50

  • United Airlines UA756: STL 2026-11-27 18:09:00 → DEN 2026-11-27 19:45:00; nonstop; 156 minutes. Local airport times.
  • United Airlines UA1639: DEN 2026-12-04 13:55:00 → STL 2026-12-04 16:57:00; nonstop; 122 minutes. Local airport times.

2026-11-20 · one way · $155.00

  • Southwest Airlines WN3286 / WN1766: STL 2026-11-20 08:20:00 → DEN 2026-11-20 12:20:00; 1 stop(s) via OMA; 300 minutes. Local airport times.
    • WN3286: STL 2026-11-20 08:20:00 → OMA 2026-11-20 09:35:00; layover at OMA: 120 minutes.
    • WN1766: OMA 2026-11-20 11:35:00 → DEN 2026-11-20 12:20:00.

2026-11-20 · one way · $155.00

  • Southwest Airlines WN4372 / WN1758: STL 2026-11-20 12:40:00 → DEN 2026-11-20 16:30:00; 1 stop(s) via MCI; 290 minutes. Local airport times.
    • WN4372: STL 2026-11-20 12:40:00 → MCI 2026-11-20 13:45:00; layover at MCI: 115 minutes.
    • WN1758: MCI 2026-11-20 15:40:00 → DEN 2026-11-20 16:30:00.

2026-11-20 · one way · $155.00

  • Southwest Airlines WN2015 / WN200: STL 2026-11-20 15:50:00 → DEN 2026-11-20 20:55:00; 1 stop(s) via DAL; 365 minutes. Local airport times.
    • WN2015: STL 2026-11-20 15:50:00 → DAL 2026-11-20 17:30:00; layover at DAL: 130 minutes.
    • WN200: DAL 2026-11-20 19:40:00 → DEN 2026-11-20 20:55:00.

2026-11-20 · one way · $155.00

  • Southwest Airlines WN665 / WN1313: STL 2026-11-20 10:35:00 → DEN 2026-11-20 15:05:00; 1 stop(s) via BNA; 330 minutes. Local airport times.
    • WN665: STL 2026-11-20 10:35:00 → BNA 2026-11-20 11:40:00; layover at BNA: 90 minutes.
    • WN1313: BNA 2026-11-20 13:10:00 → DEN 2026-11-20 15:05:00.

2026-11-20 · one way · $165.00

  • United Airlines UA4439 / UA2495: STL 2026-11-20 05:25:00 → DEN 2026-11-20 10:26:00; 1 stop(s) via ORD; 361 minutes. Local airport times.
    • UA4439: STL 2026-11-20 05:25:00 → ORD 2026-11-20 06:58:00; layover at ORD: 102 minutes.
    • UA2495: ORD 2026-11-20 08:40:00 → DEN 2026-11-20 10:26:00.

2026-11-27 → 2026-12-04 · $261.38

  • Frontier Airlines F94567: STL 2026-11-27 19:59:00 → DEN 2026-11-27 21:30:00; nonstop; 151 minutes. Local airport times.
  • Southwest Airlines WN235 / WN4472: DEN 2026-12-04 18:30:00 → STL 2026-12-05 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN235: DEN 2026-12-04 18:30:00 → DAL 2026-12-04 21:30:00; layover at DAL: 80 minutes.
    • WN4472: DAL 2026-12-04 22:50:00 → STL 2026-12-05 00:35:00.

2026-11-20 → 2026-11-23 · $290.00

  • Southwest Airlines WN665 / WN1313: STL 2026-11-20 10:35:00 → DEN 2026-11-20 15:05:00; 1 stop(s) via BNA; 330 minutes. Local airport times.
    • WN665: STL 2026-11-20 10:35:00 → BNA 2026-11-20 11:40:00; layover at BNA: 90 minutes.
    • WN1313: BNA 2026-11-20 13:10:00 → DEN 2026-11-20 15:05:00.
  • Southwest Airlines WN1844: DEN 2026-11-23 19:20:00 → STL 2026-11-23 22:25:00; nonstop; 125 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $290.00

  • Southwest Airlines WN4372 / WN1758: STL 2026-11-20 12:40:00 → DEN 2026-11-20 16:30:00; 1 stop(s) via MCI; 290 minutes. Local airport times.
    • WN4372: STL 2026-11-20 12:40:00 → MCI 2026-11-20 13:45:00; layover at MCI: 115 minutes.
    • WN1758: MCI 2026-11-20 15:40:00 → DEN 2026-11-20 16:30:00.
  • Southwest Airlines WN1844: DEN 2026-11-23 19:20:00 → STL 2026-11-23 22:25:00; nonstop; 125 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $290.00

  • Southwest Airlines WN1808: STL 2026-11-20 12:20:00 → DEN 2026-11-20 13:40:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN2832 / WN3131: DEN 2026-11-23 11:05:00 → STL 2026-11-23 16:45:00; 1 stop(s) via MSP; 280 minutes. Local airport times.
    • WN2832: DEN 2026-11-23 11:05:00 → MSP 2026-11-23 14:05:00; layover at MSP: 65 minutes.
    • WN3131: MSP 2026-11-23 15:10:00 → STL 2026-11-23 16:45:00.

2026-11-20 → 2026-11-23 · $290.00

  • Southwest Airlines WN3286 / WN1766: STL 2026-11-20 08:20:00 → DEN 2026-11-20 12:20:00; 1 stop(s) via OMA; 300 minutes. Local airport times.
    • WN3286: STL 2026-11-20 08:20:00 → OMA 2026-11-20 09:35:00; layover at OMA: 120 minutes.
    • WN1766: OMA 2026-11-20 11:35:00 → DEN 2026-11-20 12:20:00.
  • Southwest Airlines WN1844: DEN 2026-11-23 19:20:00 → STL 2026-11-23 22:25:00; nonstop; 125 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $310.00

  • United Airlines UA4439 / UA2495: STL 2026-11-20 05:25:00 → DEN 2026-11-20 10:26:00; 1 stop(s) via ORD; 361 minutes. Local airport times.
    • UA4439: STL 2026-11-20 05:25:00 → ORD 2026-11-20 06:58:00; layover at ORD: 102 minutes.
    • UA2495: ORD 2026-11-20 08:40:00 → DEN 2026-11-20 10:26:00.
  • United Airlines UA652: DEN 2026-11-23 09:50:00 → STL 2026-11-23 12:53:00; nonstop; 123 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $339.00

  • Southwest Airlines WN1755: STL 2026-11-27 08:25:00 → DEN 2026-11-27 09:45:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN235 / WN4472: DEN 2026-12-04 18:30:00 → STL 2026-12-05 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN235: DEN 2026-12-04 18:30:00 → DAL 2026-12-04 21:30:00; layover at DAL: 80 minutes.
    • WN4472: DAL 2026-12-04 22:50:00 → STL 2026-12-05 00:35:00.

2026-11-27 → 2026-12-04 · $352.50

  • Southwest Airlines WN4372 / WN1758: STL 2026-11-27 12:40:00 → DEN 2026-11-27 16:30:00; 1 stop(s) via MCI; 290 minutes. Local airport times.
    • WN4372: STL 2026-11-27 12:40:00 → MCI 2026-11-27 13:45:00; layover at MCI: 115 minutes.
    • WN1758: MCI 2026-11-27 15:40:00 → DEN 2026-11-27 16:30:00.
  • Southwest Airlines WN235 / WN4472: DEN 2026-12-04 18:30:00 → STL 2026-12-05 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN235: DEN 2026-12-04 18:30:00 → DAL 2026-12-04 21:30:00; layover at DAL: 80 minutes.
    • WN4472: DAL 2026-12-04 22:50:00 → STL 2026-12-05 00:35:00.

2026-11-27 → 2026-12-04 · $352.50

  • Southwest Airlines WN665 / WN1313: STL 2026-11-27 10:35:00 → DEN 2026-11-27 15:05:00; 1 stop(s) via BNA; 330 minutes. Local airport times.
    • WN665: STL 2026-11-27 10:35:00 → BNA 2026-11-27 11:40:00; layover at BNA: 90 minutes.
    • WN1313: BNA 2026-11-27 13:10:00 → DEN 2026-11-27 15:05:00.
  • Southwest Airlines WN235 / WN4472: DEN 2026-12-04 18:30:00 → STL 2026-12-05 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN235: DEN 2026-12-04 18:30:00 → DAL 2026-12-04 21:30:00; layover at DAL: 80 minutes.
    • WN4472: DAL 2026-12-04 22:50:00 → STL 2026-12-05 00:35:00.

2026-11-27 → 2026-12-04 · $352.50

  • Southwest Airlines WN3286 / WN1766: STL 2026-11-27 08:20:00 → DEN 2026-11-27 12:20:00; 1 stop(s) via OMA; 300 minutes. Local airport times.
    • WN3286: STL 2026-11-27 08:20:00 → OMA 2026-11-27 09:35:00; layover at OMA: 120 minutes.
    • WN1766: OMA 2026-11-27 11:35:00 → DEN 2026-11-27 12:20:00.
  • Southwest Airlines WN235 / WN4472: DEN 2026-12-04 18:30:00 → STL 2026-12-05 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN235: DEN 2026-12-04 18:30:00 → DAL 2026-12-04 21:30:00; layover at DAL: 80 minutes.
    • WN4472: DAL 2026-12-04 22:50:00 → STL 2026-12-05 00:35:00.

2026-11-27 → 2026-12-04 · $393.00

  • Delta Air Lines DL1597 / DL2849: STL 2026-11-27 06:03:00 → DEN 2026-11-27 10:03:00; 1 stop(s) via MSP; 300 minutes. Local airport times.
    • DL1597: STL 2026-11-27 06:03:00 → MSP 2026-11-27 07:43:00; layover at MSP: 67 minutes.
    • DL2849: MSP 2026-11-27 08:50:00 → DEN 2026-11-27 10:03:00.
  • Southwest Airlines WN235 / WN4472: DEN 2026-12-04 18:30:00 → STL 2026-12-05 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
    • WN235: DEN 2026-12-04 18:30:00 → DAL 2026-12-04 21:30:00; layover at DAL: 80 minutes.
    • WN4472: DAL 2026-12-04 22:50:00 → STL 2026-12-05 00:35:00.

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