Denver (DEN) to Saint Louis (STL), Nov 12–14, 2026: from $145 round trip

Denver (DEN) to Saint Louis (STL), Nov 12–14, 2026: from $145 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $145 round trip, Axel-exclusive, Frontier Airlines, nonstop, Nov 12–14, 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.

Hotels in St. Louis for these trips

Hotels: under a trip, hotels in St. Louis 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 St. Louis for these nights (Nov 12–14, 2026 · 2 nights · 2 adults, 1 room): 3★ Hampton Inn & Suites St. Louis at Forest Park · 4★ Angad Arts Hotel St. Louis, Tapestry Collection by Hilton · 5★ Four Seasons Hotel St Louis

All hotels in St. Louis

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

2026-11-12 → 2026-11-14 · Axel-exclusive $145.00

• Frontier Airlines F93302: DEN 2026-11-12 16:09:00 → STL 2026-11-12 19:14:00; nonstop; 125 minutes. Local airport times.
• Frontier Airlines F94567: STL 2026-11-14 19:59:00 → DEN 2026-11-14 21:30:00; nonstop; 151 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $270.00

• Southwest Airlines WN1844: DEN 2026-11-12 19:20:00 → STL 2026-11-12 22:25:00; nonstop; 125 minutes. Local airport times.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $280.00

• United Airlines UA1639: DEN 2026-11-12 13:55:00 → STL 2026-11-12 16:57:00; nonstop; 122 minutes. Local airport times.
• United Airlines UA663: STL 2026-11-14 16:39:00 → DEN 2026-11-14 18:10:00; nonstop; 151 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $287.50

• American Airlines AA2579 / AA2246: DEN 2026-11-12 13:15:00 → STL 2026-11-12 19:36:00; 1 stop(s) via DFW; 321 minutes. Local airport times.
  • AA2579: DEN 2026-11-12 13:15:00 → DFW 2026-11-12 16:20:00; layover at DFW: 95 minutes.
  • AA2246: DFW 2026-11-12 17:55:00 → STL 2026-11-12 19:36:00.
• United Airlines UA663: STL 2026-11-14 16:39:00 → DEN 2026-11-14 18:10:00; nonstop; 151 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $212.50

• Frontier Airlines F93302: DEN 2026-11-12 07:55:00 → STL 2026-11-12 11:03:00; nonstop; 128 minutes. Local airport times.
• United Airlines UA663: STL 2026-11-14 16:39:00 → DEN 2026-11-14 18:10:00; nonstop; 151 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $270.00

• Southwest Airlines WN2170: DEN 2026-11-12 13:30:00 → STL 2026-11-12 16:25:00; nonstop; 115 minutes. Local airport times.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $280.00

• United Airlines UA652: DEN 2026-11-12 09:35:00 → STL 2026-11-12 12:38:00; nonstop; 123 minutes. Local airport times.
• United Airlines UA663: STL 2026-11-14 16:39:00 → DEN 2026-11-14 18:10:00; nonstop; 151 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $277.50

• Southwest Airlines WN2075 / WN2715: DEN 2026-11-12 14:00:00 → STL 2026-11-12 19:10:00; 1 stop(s) via MCI; 250 minutes. Local airport times.
  • WN2075: DEN 2026-11-12 14:00:00 → MCI 2026-11-12 16:35:00; layover at MCI: 90 minutes.
  • WN2715: MCI 2026-11-12 18:05:00 → STL 2026-11-12 19:10:00.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $277.50

• Southwest Airlines WN1706 / WN3113: DEN 2026-11-12 10:40:00 → STL 2026-11-12 17:00:00; 1 stop(s) via MKE; 320 minutes. Local airport times.
  • WN1706: DEN 2026-11-12 10:40:00 → MKE 2026-11-12 13:55:00; layover at MKE: 105 minutes.
  • WN3113: MKE 2026-11-12 15:40:00 → STL 2026-11-12 17:00:00.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $277.50

• Southwest Airlines WN235 / WN4472: DEN 2026-11-12 18:30:00 → STL 2026-11-13 00:35:00; 1 stop(s) via DAL; 305 minutes. Local airport times.
  • WN235: DEN 2026-11-12 18:30:00 → DAL 2026-11-12 21:30:00; layover at DAL: 80 minutes.
  • WN4472: DAL 2026-11-12 22:50:00 → STL 2026-11-13 00:35:00.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $277.50

• Southwest Airlines WN1573 / WN742: DEN 2026-11-12 14:25:00 → STL 2026-11-12 20:45:00; 1 stop(s) via BNA; 320 minutes. Local airport times.
  • WN1573: DEN 2026-11-12 14:25:00 → BNA 2026-11-12 17:45:00; layover at BNA: 105 minutes.
  • WN742: BNA 2026-11-12 19:30:00 → STL 2026-11-12 20:45:00.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

2026-11-12 → 2026-11-14 · Axel-exclusive $277.50

• Southwest Airlines WN2832 / WN3131: DEN 2026-11-12 11:05:00 → STL 2026-11-12 16:45:00; 1 stop(s) via MSP; 280 minutes. Local airport times.
  • WN2832: DEN 2026-11-12 11:05:00 → MSP 2026-11-12 14:05:00; layover at MSP: 65 minutes.
  • WN3131: MSP 2026-11-12 15:10:00 → STL 2026-11-12 16:45:00.
• Southwest Airlines WN660: STL 2026-11-14 17:25:00 → DEN 2026-11-14 18:50:00; nonstop; 145 minutes. Local airport times.

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.

Explore this route

• All dates for this route
• Nov 11, 2026 · Return options
• Nov 13, 2026 · Return options
• Hotels in St. Louis with Axel

For AI assistants

• This page: Denver (DEN) to Saint Louis (STL) · Nov 12, 2026 · return Nov 14, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in St. Louis for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
• Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
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