Travel with Axel,
get the best price.

Las Vegas → Saint Louis

Dec 14, 2026 · return Dec 28, 2026

LAS → STL1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Mon, Dec 14 – Mon, Dec 28

Frontier Airlines
7:15 amLAS
3h 18m
Nonstop
12:33 pmSTL
Frontier Airlines
1:28 pmSTL
3h 44m
Nonstop
3:12 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Southwest Airlines
7:45 pmLAS
3h 10m
Nonstop
12:55 am+1STL
Southwest Airlines
5:25 amSTL
3h 35m
Nonstop
7:00 amLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Southwest Airlines
6:10 amLAS
2h 55m
Nonstop
11:05 amSTL
Southwest Airlines
5:25 amSTL
3h 35m
Nonstop
7:00 amLAS

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 14 – Mon, Dec 28

United Airlines
9:46 amLAS
5h 11m
DEN · 1h 13m
4:57 pmSTL
United Airlines
2:25 pmSTL
6h 13m
DEN · 1h 20m
6:38 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Delta Air Lines
6:00 amLAS
5h 21m
SLC · 1h 3m
1:21 pmSTL
Delta Air Lines
2:20 pmSTL
5h 52m
SLC · 1h
6:12 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Frontier Airlines
11:46 amLAS
5h 28m
DEN · 1h 25m
7:14 pmSTL
Frontier Airlines
1:28 pmSTL
3h 44m
Nonstop
3:12 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Frontier Airlines
8:20 amLAS
3h 12m
Nonstop
1:32 pmSTL
Frontier Airlines
7:58 pmSTL
5h 46m
DEN · 1h 15m
11:44 pmLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Southwest Airlines
5:10 amLAS
5h 35m
DAL · 1h 15m
12:45 pmSTL
Southwest Airlines
5:25 amSTL
3h 35m
Nonstop
7:00 amLAS

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Mon, Dec 28

Southwest Airlines
8:20 amLAS
5h 5m
MCI · 1h 15m
3:25 pmSTL
Southwest Airlines
5:25 amSTL
3h 35m
Nonstop
7:00 amLAS

Round-trip total · 1 adult · Taxes included

Make this trip yours

LAS ⇄ STL

Economy

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

No account needed to see prices.

Already have an account? Log in

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.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. 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

All dates for this routeNov 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-14 → 2026-12-28Frontier AirlinesF93108 / F93107$207.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Southwest AirlinesWN1260 / WN2406$345.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28United AirlinesUA1315 + UA1639 / UA5939 + UA1964$402.502026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Delta Air LinesDL2674 + DL2455 / DL2455 + DL1690$414.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Southwest AirlinesWN2464 / WN2406$345.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Frontier AirlinesF91766 + F93302 / F93107$227.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Frontier AirlinesF93108 / F94567 + F9777$233.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Southwest AirlinesWN1139 + WN1954 / WN2406$360.002026-10-29T01:24:32Z
2026-12-14 → 2026-12-28Southwest AirlinesWN2427 + WN2714 / WN2406$360.002026-10-29T01:24:32Z

2026-12-14 → 2026-12-28 · $207.00

  • Frontier Airlines F93108: LAS 2026-12-14 07:15:00 → STL 2026-12-14 12:33:00; nonstop; 198 minutes. Local airport times.
  • Frontier Airlines F93107: STL 2026-12-28 13:28:00 → LAS 2026-12-28 15:12:00; nonstop; 224 minutes. Local airport times.

2026-12-14 → 2026-12-28 · $345.00

  • Southwest Airlines WN1260: LAS 2026-12-14 19:45:00 → STL 2026-12-15 00:55:00; nonstop; 190 minutes. Local airport times.
  • Southwest Airlines WN2406: STL 2026-12-28 05:25:00 → LAS 2026-12-28 07:00:00; nonstop; 215 minutes. Local airport times.

2026-12-14 → 2026-12-28 · $402.50

  • United Airlines UA1315 / UA1639: LAS 2026-12-14 09:46:00 → STL 2026-12-14 16:57:00; 1 stop(s) via DEN; 311 minutes. Local airport times.
    • UA1315: LAS 2026-12-14 09:46:00 → DEN 2026-12-14 12:42:00; layover at DEN: 73 minutes.
    • UA1639: DEN 2026-12-14 13:55:00 → STL 2026-12-14 16:57:00.
  • United Airlines UA5939 / UA1964: STL 2026-12-28 14:25:00 → LAS 2026-12-28 18:38:00; 1 stop(s) via DEN; 373 minutes. Local airport times.
    • UA5939: STL 2026-12-28 14:25:00 → DEN 2026-12-28 16:13:00; layover at DEN: 80 minutes.
    • UA1964: DEN 2026-12-28 17:33:00 → LAS 2026-12-28 18:38:00.

2026-12-14 → 2026-12-28 · $414.00

  • Delta Air Lines DL2674 / DL2455: LAS 2026-12-14 06:00:00 → STL 2026-12-14 13:21:00; 1 stop(s) via SLC; 321 minutes. Local airport times.
    • DL2674: LAS 2026-12-14 06:00:00 → SLC 2026-12-14 08:23:00; layover at SLC: 63 minutes.
    • DL2455: SLC 2026-12-14 09:26:00 → STL 2026-12-14 13:21:00.
  • Delta Air Lines DL2455 / DL1690: STL 2026-12-28 14:20:00 → LAS 2026-12-28 18:12:00; 1 stop(s) via SLC; 352 minutes. Local airport times.
    • DL2455: STL 2026-12-28 14:20:00 → SLC 2026-12-28 16:40:00; layover at SLC: 60 minutes.
    • DL1690: SLC 2026-12-28 17:40:00 → LAS 2026-12-28 18:12:00.

2026-12-14 → 2026-12-28 · $345.00

  • Southwest Airlines WN2464: LAS 2026-12-14 06:10:00 → STL 2026-12-14 11:05:00; nonstop; 175 minutes. Local airport times.
  • Southwest Airlines WN2406: STL 2026-12-28 05:25:00 → LAS 2026-12-28 07:00:00; nonstop; 215 minutes. Local airport times.

2026-12-14 → 2026-12-28 · $227.00

  • Frontier Airlines F91766 / F93302: LAS 2026-12-14 11:46:00 → STL 2026-12-14 19:14:00; 1 stop(s) via DEN; 328 minutes. Local airport times.
    • F91766: LAS 2026-12-14 11:46:00 → DEN 2026-12-14 14:44:00; layover at DEN: 85 minutes.
    • F93302: DEN 2026-12-14 16:09:00 → STL 2026-12-14 19:14:00.
  • Frontier Airlines F93107: STL 2026-12-28 13:28:00 → LAS 2026-12-28 15:12:00; nonstop; 224 minutes. Local airport times.

2026-12-14 → 2026-12-28 · $233.00

  • Frontier Airlines F93108: LAS 2026-12-14 08:20:00 → STL 2026-12-14 13:32:00; nonstop; 192 minutes. Local airport times.
  • Frontier Airlines F94567 / F9777: STL 2026-12-28 19:58:00 → LAS 2026-12-28 23:44:00; 1 stop(s) via DEN; 346 minutes. Local airport times.
    • F94567: STL 2026-12-28 19:58:00 → DEN 2026-12-28 21:29:00; layover at DEN: 75 minutes.
    • F9777: DEN 2026-12-28 22:44:00 → LAS 2026-12-28 23:44:00.

2026-12-14 → 2026-12-28 · $360.00

  • Southwest Airlines WN1139 / WN1954: LAS 2026-12-14 05:10:00 → STL 2026-12-14 12:45:00; 1 stop(s) via DAL; 335 minutes. Local airport times.
    • WN1139: LAS 2026-12-14 05:10:00 → DAL 2026-12-14 09:45:00; layover at DAL: 75 minutes.
    • WN1954: DAL 2026-12-14 11:00:00 → STL 2026-12-14 12:45:00.
  • Southwest Airlines WN2406: STL 2026-12-28 05:25:00 → LAS 2026-12-28 07:00:00; nonstop; 215 minutes. Local airport times.

2026-12-14 → 2026-12-28 · $360.00

  • Southwest Airlines WN2427 / WN2714: LAS 2026-12-14 08:20:00 → STL 2026-12-14 15:25:00; 1 stop(s) via MCI; 305 minutes. Local airport times.
    • WN2427: LAS 2026-12-14 08:20:00 → MCI 2026-12-14 13:05:00; layover at MCI: 75 minutes.
    • WN2714: MCI 2026-12-14 14:20:00 → STL 2026-12-14 15:25:00.
  • Southwest Airlines WN2406: STL 2026-12-28 05:25:00 → LAS 2026-12-28 07:00:00; nonstop; 215 minutes. Local airport times.

More dates for this route