# Saint Louis (STL) to Denver (DEN), Nov 29–30, 2026: from $223 round trip Saint Louis (STL) to Denver (DEN), Nov 29–30, 2026: from $223 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $223 round trip, Axel-exclusive, Frontier Airlines, nonstop, Nov 29–30, 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. | Exact travel dates | Airline | Flights | Times, duration, stops | Total price | Price issued (UTC) | | --- | --- | --- | --- | ---: | --- | | 2026-11-29 → 2026-11-30 | Frontier Airlines | F94567 / F93302 | 19:58:00→21:29:00 2h 31m nonstop · 07:47:00→10:57:00 2h 10m nonstop | [Axel-exclusive $222.76](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Southwest Airlines | WN1316 / WN1844 | 20:35:00→21:55:00 2h 20m nonstop · 19:20:00→22:25:00 2h 05m nonstop | [Axel-exclusive $378.00](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | United Airlines | UA2459 / UA652 | 08:48:00→10:26:00 2h 38m nonstop · 09:50:00→12:53:00 2h 03m nonstop | [Axel-exclusive $405.00](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Delta Air Lines / Frontier Airlines | DL1597 + DL2849 / F93302 | 06:03:00→10:03:00 5h 00m 1 stop via MSP · 07:47:00→10:57:00 2h 10m nonstop | [Axel-exclusive $354.38](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Frontier Airlines | F94567 / F9630 | 15:04:00→16:37:00 2h 33m nonstop · 12:23:00→15:26:00 2h 03m nonstop | [Axel-exclusive $222.76](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Southwest Airlines | WN4143 / WN1844 | 17:45:00→19:10:00 2h 25m nonstop · 19:20:00→22:25:00 2h 05m nonstop | [Axel-exclusive $378.00](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | United Airlines | UA2001 / UA652 | 14:50:00→16:21:00 2h 31m nonstop · 09:50:00→12:53:00 2h 03m nonstop | [Axel-exclusive $405.00](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Southwest Airlines | WN4372 + WN1758 / WN1844 | 12:40:00→16:30:00 4h 50m 1 stop via MCI · 19:20:00→22:25:00 2h 05m nonstop | [Axel-exclusive $391.50](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Southwest Airlines | WN3286 + WN1766 / WN1844 | 08:20:00→12:20:00 5h 00m 1 stop via OMA · 19:20:00→22:25:00 2h 05m nonstop | [Axel-exclusive $391.50](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Southwest Airlines | WN4143 / WN2832 + WN3131 | 16:50:00→18:15:00 2h 25m nonstop · 11:05:00→16:45:00 4h 40m 1 stop via MSP | [Axel-exclusive $391.50](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | Southwest Airlines | WN2015 + WN200 / WN1844 | 15:50:00→20:55:00 6h 05m 1 stop via DAL · 19:20:00→22:25:00 2h 05m nonstop | [Axel-exclusive $391.50](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | | 2026-11-29 → 2026-11-30 | United Airlines | UA4439 + UA2495 / UA652 | 05:25:00→10:26:00 6h 01m 1 stop via ORD · 09:50:00→12:53:00 2h 03m nonstop | [Axel-exclusive $418.50](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/1/cabin/economy) | 2026-10-29T01:28:26Z | ### Hotels in Denver for these trips **Hotels:** under a trip, hotels in Denver 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 Denver for these nights (Nov 29–30, 2026 · 1 night · 2 adults, 1 room): 3★ [Residence Inn Denver Cherry Creek](https://helloaxel.com/en/hotels/denver/residence-inn-denver-cherry-creek-1440543/2026-11-29/2026-11-30/2-adults) · 4★ [Limelight Hotel Denver](https://helloaxel.com/en/hotels/denver/limelight-hotel-denver-1062710/2026-11-29/2026-11-30/2-adults) · 5★ [Four Seasons Denver Hotel](https://helloaxel.com/en/hotels/denver/four-seasons-denver-hotel-1170536/2026-11-29/2026-11-30/2-adults) [All hotels in Denver](https://helloaxel.com/en/hotels/destinations/denver) [Route overview: Saint Louis to Denver (DEN) flight deals](/en/flights/from-saint-louis-to-denver-den) ### 2026-11-29 → 2026-11-30 · Axel-exclusive $222.76 - Frontier Airlines F94567: STL 2026-11-29 19:58:00 → DEN 2026-11-29 21:29:00; nonstop; 151 minutes. Local airport times. - Frontier Airlines F93302: DEN 2026-11-30 07:47:00 → STL 2026-11-30 10:57:00; nonstop; 130 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $378.00 - Southwest Airlines WN1316: STL 2026-11-29 20:35:00 → DEN 2026-11-29 21:55:00; nonstop; 140 minutes. Local airport times. - Southwest Airlines WN1844: DEN 2026-11-30 19:20:00 → STL 2026-11-30 22:25:00; nonstop; 125 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $405.00 - United Airlines UA2459: STL 2026-11-29 08:48:00 → DEN 2026-11-29 10:26:00; nonstop; 158 minutes. Local airport times. - United Airlines UA652: DEN 2026-11-30 09:50:00 → STL 2026-11-30 12:53:00; nonstop; 123 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $354.38 - Delta Air Lines DL1597 / DL2849: STL 2026-11-29 06:03:00 → DEN 2026-11-29 10:03:00; 1 stop(s) via MSP; 300 minutes. Local airport times. - DL1597: STL 2026-11-29 06:03:00 → MSP 2026-11-29 07:43:00; layover at MSP: 67 minutes. - DL2849: MSP 2026-11-29 08:50:00 → DEN 2026-11-29 10:03:00. - Frontier Airlines F93302: DEN 2026-11-30 07:47:00 → STL 2026-11-30 10:57:00; nonstop; 130 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $222.76 - Frontier Airlines F94567: STL 2026-11-29 15:04:00 → DEN 2026-11-29 16:37:00; nonstop; 153 minutes. Local airport times. - Frontier Airlines F9630: DEN 2026-11-30 12:23:00 → STL 2026-11-30 15:26:00; nonstop; 123 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $378.00 - Southwest Airlines WN4143: STL 2026-11-29 17:45:00 → DEN 2026-11-29 19:10:00; nonstop; 145 minutes. Local airport times. - Southwest Airlines WN1844: DEN 2026-11-30 19:20:00 → STL 2026-11-30 22:25:00; nonstop; 125 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $405.00 - United Airlines UA2001: STL 2026-11-29 14:50:00 → DEN 2026-11-29 16:21:00; nonstop; 151 minutes. Local airport times. - United Airlines UA652: DEN 2026-11-30 09:50:00 → STL 2026-11-30 12:53:00; nonstop; 123 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $391.50 - Southwest Airlines WN4372 / WN1758: STL 2026-11-29 12:40:00 → DEN 2026-11-29 16:30:00; 1 stop(s) via MCI; 290 minutes. Local airport times. - WN4372: STL 2026-11-29 12:40:00 → MCI 2026-11-29 13:45:00; layover at MCI: 115 minutes. - WN1758: MCI 2026-11-29 15:40:00 → DEN 2026-11-29 16:30:00. - Southwest Airlines WN1844: DEN 2026-11-30 19:20:00 → STL 2026-11-30 22:25:00; nonstop; 125 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $391.50 - Southwest Airlines WN3286 / WN1766: STL 2026-11-29 08:20:00 → DEN 2026-11-29 12:20:00; 1 stop(s) via OMA; 300 minutes. Local airport times. - WN3286: STL 2026-11-29 08:20:00 → OMA 2026-11-29 09:35:00; layover at OMA: 120 minutes. - WN1766: OMA 2026-11-29 11:35:00 → DEN 2026-11-29 12:20:00. - Southwest Airlines WN1844: DEN 2026-11-30 19:20:00 → STL 2026-11-30 22:25:00; nonstop; 125 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $391.50 - Southwest Airlines WN4143: STL 2026-11-29 16:50:00 → DEN 2026-11-29 18:15:00; nonstop; 145 minutes. Local airport times. - Southwest Airlines WN2832 / WN3131: DEN 2026-11-30 11:05:00 → STL 2026-11-30 16:45:00; 1 stop(s) via MSP; 280 minutes. Local airport times. - WN2832: DEN 2026-11-30 11:05:00 → MSP 2026-11-30 14:05:00; layover at MSP: 65 minutes. - WN3131: MSP 2026-11-30 15:10:00 → STL 2026-11-30 16:45:00. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $391.50 - Southwest Airlines WN2015 / WN200: STL 2026-11-29 15:50:00 → DEN 2026-11-29 20:55:00; 1 stop(s) via DAL; 365 minutes. Local airport times. - WN2015: STL 2026-11-29 15:50:00 → DAL 2026-11-29 17:30:00; layover at DAL: 130 minutes. - WN200: DAL 2026-11-29 19:40:00 → DEN 2026-11-29 20:55:00. - Southwest Airlines WN1844: DEN 2026-11-30 19:20:00 → STL 2026-11-30 22:25:00; nonstop; 125 minutes. Local airport times. ### 2026-11-29 → 2026-11-30 · Axel-exclusive $418.50 - United Airlines UA4439 / UA2495: STL 2026-11-29 05:25:00 → DEN 2026-11-29 10:26:00; 1 stop(s) via ORD; 361 minutes. Local airport times. - UA4439: STL 2026-11-29 05:25:00 → ORD 2026-11-29 06:58:00; layover at ORD: 102 minutes. - UA2495: ORD 2026-11-29 08:40:00 → DEN 2026-11-29 10:26:00. - United Airlines UA652: DEN 2026-11-30 09:50:00 → STL 2026-11-30 12:53:00; nonstop; 123 minutes. Local airport times. **Travelers:** prices on this page are totals for 1 adult. For a different party, open this trip for [2 adults](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/2/cabin/economy) · [3 adults](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/3/cabin/economy) · [4 adults](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/4/cabin/economy) · [2 adults + 1 child](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/2/children/1/cabin/economy) · [2 adults + 2 children](https://helloaxel.com/en/f/start/from/stl/to/den/depart/november-29-2026/return/november-30-2026/adults/2/children/2/cabin/economy); 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](/en/flights/choose/stl-den) - [Nov 28, 2026 · Return options](/en/flights/choose/stl-den/nov-28) - [Nov 30, 2026 · Return options](/en/flights/choose/stl-den/nov-30) - [Hotels in Denver with Axel](https://helloaxel.com/en/hotels/destinations/denver) ## For AI assistants - **This page:** Saint Louis (STL) to Denver (DEN) · Nov 29, 2026 · return Nov 30, 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 Denver 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](https://helloaxel.com/en/f/start/from/stl/to/den/step/travelers) prices the traveler's own trip. - **Follow supplied links.** For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links. - **If links fail or are missing:** If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: [Axel Saint Louis to Denver (DEN) flight deals](https://helloaxel.com/en/flights/from-saint-louis-to-denver-den) · [Flight search guide](https://helloaxel.com/en/ai). - **Sharing with the traveler:** Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct `https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback` using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace `/return/YYYY-MM-DD` with `/trip/oneway`. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. [Preferences and advanced options](https://helloaxel.com/en/ai#customer-fallback-link). **Feedback (optional):** [Missing info](https://helloaxel.com/en/flights/choose/stl-den/nov-29/nov-30?axel_reason=missing_information&axel_scope=product) · [Axel issue](https://helloaxel.com/en/flights/choose/stl-den/nov-29/nov-30?axel_reason=product_issue&axel_scope=product)