Saint Louis (STL) to Denver (DEN), Nov 6–8, 2026: from $85 one way

Saint Louis (STL) to Denver (DEN), Nov 6–8, 2026: from $85 one way on Axel, checked Oct 29, 2026. Lowest published fare: $85 one way, Axel-exclusive, Frontier Airlines, nonstop, Nov 8, 2026, 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.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Saint Louis to Denver (DEN) flight deals

2026-11-08 · one way · Axel-exclusive $85.00

• Frontier Airlines F94567: STL 2026-11-08 19:59:00 → DEN 2026-11-08 21:30:00; nonstop; 151 minutes. Local airport times.

2026-11-08 · one way · Axel-exclusive $145.00

• Southwest Airlines WN1316: STL 2026-11-08 20:35:00 → DEN 2026-11-08 21:55:00; nonstop; 140 minutes. Local airport times.

2026-11-08 · one way · Axel-exclusive $155.00

• United Airlines UA1380: STL 2026-11-08 13:40:00 → DEN 2026-11-08 15:09:00; nonstop; 149 minutes. Local airport times.

2026-11-08 · one way · Axel-exclusive $185.00

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

2026-11-08 · one way · Axel-exclusive $145.00

• Southwest Airlines WN4143: STL 2026-11-08 17:45:00 → DEN 2026-11-08 19:10:00; nonstop; 145 minutes. Local airport times.

2026-11-08 · one way · Axel-exclusive $155.00

• United Airlines UA2459: STL 2026-11-08 08:48:00 → DEN 2026-11-08 10:26:00; nonstop; 158 minutes. Local airport times.

2026-11-08 · one way · Axel-exclusive $155.00

• Southwest Airlines WN665 / WN1313: STL 2026-11-08 10:35:00 → DEN 2026-11-08 15:05:00; 1 stop(s) via BNA; 330 minutes. Local airport times.
  • WN665: STL 2026-11-08 10:35:00 → BNA 2026-11-08 11:40:00; layover at BNA: 90 minutes.
  • WN1313: BNA 2026-11-08 13:10:00 → DEN 2026-11-08 15:05:00.

2026-11-08 · one way · Axel-exclusive $155.00

• Southwest Airlines WN2015 / WN200: STL 2026-11-08 15:50:00 → DEN 2026-11-08 20:55:00; 1 stop(s) via DAL; 365 minutes. Local airport times.
  • WN2015: STL 2026-11-08 15:50:00 → DAL 2026-11-08 17:30:00; layover at DAL: 130 minutes.
  • WN200: DAL 2026-11-08 19:40:00 → DEN 2026-11-08 20:55:00.

2026-11-08 · one way · Axel-exclusive $155.00

• Southwest Airlines WN4372 / WN1758: STL 2026-11-08 12:40:00 → DEN 2026-11-08 16:30:00; 1 stop(s) via MCI; 290 minutes. Local airport times.
  • WN4372: STL 2026-11-08 12:40:00 → MCI 2026-11-08 13:45:00; layover at MCI: 115 minutes.
  • WN1758: MCI 2026-11-08 15:40:00 → DEN 2026-11-08 16:30:00.

2026-11-08 · one way · Axel-exclusive $155.00

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

2026-11-08 · one way · Axel-exclusive $165.00

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

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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