Travel with Axel,
get the best price.

Saint Louis → Las Vegas

Dec 9, 2026 · return Dec 13, 2026

STL → LAS1 adulteconomyRound trip

9 flight options · 3 airlines

Nonstop flights

Wed, Dec 9 – Sun, Dec 13

Frontier Airlines
2:02 pmSTL
3h 36m
Nonstop
3:38 pmLAS
Frontier Airlines
8:20 amLAS
3h 12m
Nonstop
1:32 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

Southwest Airlines
9:55 pmSTL
3h 40m
Nonstop
11:35 pmLAS
Southwest Airlines
7:05 pmLAS
3h
Nonstop
12:05 am+1STL

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

Southwest Airlines
8:00 amSTL
3h 30m
Nonstop
9:30 amLAS
Southwest Airlines
7:05 pmLAS
3h
Nonstop
12:05 am+1STL

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 9 – Sun, Dec 13

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

Frontier Airlines
5:15 pmSTL
3h 44m
Nonstop
6:59 pmLAS
Frontier Airlines
11:46 amLAS
5h 28m
DEN · 1h 25m
7:14 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

Southwest Airlines
8:35 pmSTL
5h 20m
DEN · 1h
11:55 pmLAS
Southwest Airlines
7:05 pmLAS
3h
Nonstop
12:05 am+1STL

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

Southwest Airlines
5:05 pmSTL
6h
MCI · 1h 45m
9:05 pmLAS
Southwest Airlines
7:05 pmLAS
3h
Nonstop
12:05 am+1STL

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Sun, Dec 13

Southwest Airlines
2:45 pmSTL
6h 5m
AUS · 1h
6:50 pmLAS
Southwest Airlines
7:05 pmLAS
3h
Nonstop
12:05 am+1STL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ LAS

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 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)
2026-12-09 → 2026-12-13Frontier AirlinesF93107 / F93108$180.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Southwest AirlinesWN4158 / WN3909$310.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Delta Air LinesDL2455 + DL1690 / DL2674 + DL2455$410.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Southwest AirlinesWN4249 / WN3909$310.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Frontier AirlinesF94567 + F9777 / F93108$200.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Frontier AirlinesF93107 / F91766 + F93302$200.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Southwest AirlinesWN1316 + WN1667 / WN3909$320.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Southwest AirlinesWN4194 + WN2677 / WN3909$320.002026-10-29T01:28:42Z
2026-12-09 → 2026-12-13Southwest AirlinesWN4913 + WN188 / WN3909$320.002026-10-29T01:28:42Z

2026-12-09 → 2026-12-13 · $180.00

  • Frontier Airlines F93107: STL 2026-12-09 14:02:00 → LAS 2026-12-09 15:38:00; nonstop; 216 minutes. Local airport times.
  • Frontier Airlines F93108: LAS 2026-12-13 08:20:00 → STL 2026-12-13 13:32:00; nonstop; 192 minutes. Local airport times.

2026-12-09 → 2026-12-13 · $310.00

  • Southwest Airlines WN4158: STL 2026-12-09 21:55:00 → LAS 2026-12-09 23:35:00; nonstop; 220 minutes. Local airport times.
  • Southwest Airlines WN3909: LAS 2026-12-13 19:05:00 → STL 2026-12-14 00:05:00; nonstop; 180 minutes. Local airport times.

2026-12-09 → 2026-12-13 · $410.00

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

2026-12-09 → 2026-12-13 · $310.00

  • Southwest Airlines WN4249: STL 2026-12-09 08:00:00 → LAS 2026-12-09 09:30:00; nonstop; 210 minutes. Local airport times.
  • Southwest Airlines WN3909: LAS 2026-12-13 19:05:00 → STL 2026-12-14 00:05:00; nonstop; 180 minutes. Local airport times.

2026-12-09 → 2026-12-13 · $200.00

  • Frontier Airlines F94567 / F9777: STL 2026-12-09 19:58:00 → LAS 2026-12-09 23:44:00; 1 stop(s) via DEN; 346 minutes. Local airport times.
    • F94567: STL 2026-12-09 19:58:00 → DEN 2026-12-09 21:29:00; layover at DEN: 75 minutes.
    • F9777: DEN 2026-12-09 22:44:00 → LAS 2026-12-09 23:44:00.
  • Frontier Airlines F93108: LAS 2026-12-13 08:20:00 → STL 2026-12-13 13:32:00; nonstop; 192 minutes. Local airport times.

2026-12-09 → 2026-12-13 · $200.00

  • Frontier Airlines F93107: STL 2026-12-09 17:15:00 → LAS 2026-12-09 18:59:00; nonstop; 224 minutes. Local airport times.
  • Frontier Airlines F91766 / F93302: LAS 2026-12-13 11:46:00 → STL 2026-12-13 19:14:00; 1 stop(s) via DEN; 328 minutes. Local airport times.
    • F91766: LAS 2026-12-13 11:46:00 → DEN 2026-12-13 14:44:00; layover at DEN: 85 minutes.
    • F93302: DEN 2026-12-13 16:09:00 → STL 2026-12-13 19:14:00.

2026-12-09 → 2026-12-13 · $320.00

  • Southwest Airlines WN1316 / WN1667: STL 2026-12-09 20:35:00 → LAS 2026-12-09 23:55:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN1316: STL 2026-12-09 20:35:00 → DEN 2026-12-09 21:55:00; layover at DEN: 60 minutes.
    • WN1667: DEN 2026-12-09 22:55:00 → LAS 2026-12-09 23:55:00.
  • Southwest Airlines WN3909: LAS 2026-12-13 19:05:00 → STL 2026-12-14 00:05:00; nonstop; 180 minutes. Local airport times.

2026-12-09 → 2026-12-13 · $320.00

  • Southwest Airlines WN4194 / WN2677: STL 2026-12-09 17:05:00 → LAS 2026-12-09 21:05:00; 1 stop(s) via MCI; 360 minutes. Local airport times.
    • WN4194: STL 2026-12-09 17:05:00 → MCI 2026-12-09 18:15:00; layover at MCI: 105 minutes.
    • WN2677: MCI 2026-12-09 20:00:00 → LAS 2026-12-09 21:05:00.
  • Southwest Airlines WN3909: LAS 2026-12-13 19:05:00 → STL 2026-12-14 00:05:00; nonstop; 180 minutes. Local airport times.

2026-12-09 → 2026-12-13 · $320.00

  • Southwest Airlines WN4913 / WN188: STL 2026-12-09 14:45:00 → LAS 2026-12-09 18:50:00; 1 stop(s) via AUS; 365 minutes. Local airport times.
    • WN4913: STL 2026-12-09 14:45:00 → AUS 2026-12-09 16:50:00; layover at AUS: 60 minutes.
    • WN188: AUS 2026-12-09 17:50:00 → LAS 2026-12-09 18:50:00.
  • Southwest Airlines WN3909: LAS 2026-12-13 19:05:00 → STL 2026-12-14 00:05:00; nonstop; 180 minutes. Local airport times.

More dates for this route