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Saint Louis → Las Vegas

Dec 5, 2026 · return Dec 8, 2026

STL → LAS1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sat, Dec 5 – Tue, Dec 8

Frontier Airlines
5:15 pmSTL
3h 44m
Nonstop
6:59 pmLAS
Frontier Airlines
8:20 amLAS
3h 12m
Nonstop
1:32 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Tue, Dec 8

Southwest Airlines
10:55 amSTL
3h 35m
Nonstop
12:30 pmLAS
Southwest Airlines
7:00 amLAS
3h
Nonstop
12:00 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Tue, Dec 8

Southwest Airlines
6:25 pmSTL
3h 35m
Nonstop
8:00 pmLAS
Southwest Airlines
7:00 amLAS
3h
Nonstop
12:00 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 5 – Tue, Dec 8

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

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Tue, Dec 8

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

Sat, Dec 5 – Tue, Dec 8

Frontier Airlines
2:02 pmSTL
3h 36m
Nonstop
3:38 pmLAS
Frontier Airlines
11:46 amLAS
5h 28m
DEN · 1h 25m
7:14 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Tue, Dec 8

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

Sat, Dec 5 – Tue, Dec 8

Southwest Airlines
5:05 pmSTL
6h
MCI · 1h 45m
9:05 pmLAS
Southwest Airlines
7:00 amLAS
3h
Nonstop
12:00 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Tue, Dec 8

Southwest Airlines
8:35 pmSTL
5h 20m
DEN · 1h
11:55 pmLAS
Southwest Airlines
7:00 amLAS
3h
Nonstop
12:00 pmSTL

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.

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More dates

All dates for this routeOct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 2027Oct 30, 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)
2026-12-05 → 2026-12-08Frontier AirlinesF93107 / F93108$180.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Southwest AirlinesWN4155 / WN2465$310.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08United AirlinesUA5939 + UA1964 / UA1315 + UA1639$390.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Delta Air LinesDL2455 + DL1690 / DL2674 + DL2455$410.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Southwest AirlinesWN4157 / WN2465$310.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Frontier AirlinesF93107 / F91766 + F93302$200.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Frontier AirlinesF94567 + F9777 / F93108$200.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Southwest AirlinesWN4194 + WN2677 / WN2465$320.002026-10-29T01:28:42Z
2026-12-05 → 2026-12-08Southwest AirlinesWN1316 + WN1667 / WN2465$320.002026-10-29T01:28:42Z

2026-12-05 → 2026-12-08 · $180.00

  • Frontier Airlines F93107: STL 2026-12-05 17:15:00 → LAS 2026-12-05 18:59:00; nonstop; 224 minutes. Local airport times.
  • Frontier Airlines F93108: LAS 2026-12-08 08:20:00 → STL 2026-12-08 13:32:00; nonstop; 192 minutes. Local airport times.

2026-12-05 → 2026-12-08 · $310.00

  • Southwest Airlines WN4155: STL 2026-12-05 10:55:00 → LAS 2026-12-05 12:30:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN2465: LAS 2026-12-08 07:00:00 → STL 2026-12-08 12:00:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-08 · $390.00

  • United Airlines UA5939 / UA1964: STL 2026-12-05 14:25:00 → LAS 2026-12-05 18:38:00; 1 stop(s) via DEN; 373 minutes. Local airport times.
    • UA5939: STL 2026-12-05 14:25:00 → DEN 2026-12-05 16:13:00; layover at DEN: 80 minutes.
    • UA1964: DEN 2026-12-05 17:33:00 → LAS 2026-12-05 18:38:00.
  • United Airlines UA1315 / UA1639: LAS 2026-12-08 09:46:00 → STL 2026-12-08 16:57:00; 1 stop(s) via DEN; 311 minutes. Local airport times.
    • UA1315: LAS 2026-12-08 09:46:00 → DEN 2026-12-08 12:42:00; layover at DEN: 73 minutes.
    • UA1639: DEN 2026-12-08 13:55:00 → STL 2026-12-08 16:57:00.

2026-12-05 → 2026-12-08 · $410.00

  • Delta Air Lines DL2455 / DL1690: STL 2026-12-05 14:20:00 → LAS 2026-12-05 18:12:00; 1 stop(s) via SLC; 352 minutes. Local airport times.
    • DL2455: STL 2026-12-05 14:20:00 → SLC 2026-12-05 16:40:00; layover at SLC: 60 minutes.
    • DL1690: SLC 2026-12-05 17:40:00 → LAS 2026-12-05 18:12:00.
  • Delta Air Lines DL2674 / DL2455: LAS 2026-12-08 06:00:00 → STL 2026-12-08 13:21:00; 1 stop(s) via SLC; 321 minutes. Local airport times.
    • DL2674: LAS 2026-12-08 06:00:00 → SLC 2026-12-08 08:23:00; layover at SLC: 63 minutes.
    • DL2455: SLC 2026-12-08 09:26:00 → STL 2026-12-08 13:21:00.

2026-12-05 → 2026-12-08 · $310.00

  • Southwest Airlines WN4157: STL 2026-12-05 18:25:00 → LAS 2026-12-05 20:00:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN2465: LAS 2026-12-08 07:00:00 → STL 2026-12-08 12:00:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-08 · $200.00

  • Frontier Airlines F93107: STL 2026-12-05 14:02:00 → LAS 2026-12-05 15:38:00; nonstop; 216 minutes. Local airport times.
  • Frontier Airlines F91766 / F93302: LAS 2026-12-08 11:46:00 → STL 2026-12-08 19:14:00; 1 stop(s) via DEN; 328 minutes. Local airport times.
    • F91766: LAS 2026-12-08 11:46:00 → DEN 2026-12-08 14:44:00; layover at DEN: 85 minutes.
    • F93302: DEN 2026-12-08 16:09:00 → STL 2026-12-08 19:14:00.

2026-12-05 → 2026-12-08 · $200.00

  • Frontier Airlines F94567 / F9777: STL 2026-12-05 19:58:00 → LAS 2026-12-05 23:44:00; 1 stop(s) via DEN; 346 minutes. Local airport times.
    • F94567: STL 2026-12-05 19:58:00 → DEN 2026-12-05 21:29:00; layover at DEN: 75 minutes.
    • F9777: DEN 2026-12-05 22:44:00 → LAS 2026-12-05 23:44:00.
  • Frontier Airlines F93108: LAS 2026-12-08 08:20:00 → STL 2026-12-08 13:32:00; nonstop; 192 minutes. Local airport times.

2026-12-05 → 2026-12-08 · $320.00

  • Southwest Airlines WN4194 / WN2677: STL 2026-12-05 17:05:00 → LAS 2026-12-05 21:05:00; 1 stop(s) via MCI; 360 minutes. Local airport times.
    • WN4194: STL 2026-12-05 17:05:00 → MCI 2026-12-05 18:15:00; layover at MCI: 105 minutes.
    • WN2677: MCI 2026-12-05 20:00:00 → LAS 2026-12-05 21:05:00.
  • Southwest Airlines WN2465: LAS 2026-12-08 07:00:00 → STL 2026-12-08 12:00:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-08 · $320.00

  • Southwest Airlines WN1316 / WN1667: STL 2026-12-05 20:35:00 → LAS 2026-12-05 23:55:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN1316: STL 2026-12-05 20:35:00 → DEN 2026-12-05 21:55:00; layover at DEN: 60 minutes.
    • WN1667: DEN 2026-12-05 22:55:00 → LAS 2026-12-05 23:55:00.
  • Southwest Airlines WN2465: LAS 2026-12-08 07:00:00 → STL 2026-12-08 12:00:00; nonstop; 180 minutes. Local airport times.

More dates for this route