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Saint Louis → Las Vegas

Aug 21, 2027 · return Aug 28, 2027

STL → LAS1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sat, Aug 21 – Sat, Aug 28

Frontier Airlines
5:15 pmSTL
3h 44m
Nonstop
6:59 pmLAS
Frontier Airlines
6:58 amLAS
3h 14m
Nonstop
12:12 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
6:25 pmSTL
3h 35m
Nonstop
8:00 pmLAS
Southwest Airlines
5:20 amLAS
3h
Nonstop
10:20 amSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
10:55 amSTL
3h 35m
Nonstop
12:30 pmLAS
Southwest Airlines
5:20 amLAS
3h
Nonstop
10:20 amSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Aug 21 – Sat, Aug 28

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, Aug 21 – Sat, Aug 28

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, Aug 21 – Sat, Aug 28

Frontier Airlines
7:58 pmSTL
5h 46m
DEN · 1h 15m
11:44 pmLAS
Frontier Airlines
6:58 amLAS
3h 14m
Nonstop
12:12 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

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, Aug 21 – Sat, Aug 28

Southwest Airlines
11:05 amSTL
3h 35m
Nonstop
12:40 pmLAS
Southwest Airlines
5:10 amLAS
5h 35m
DAL · 1h 15m
12:45 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
8:35 pmSTL
5h 20m
DEN · 1h
11:55 pmLAS
Southwest Airlines
5:20 amLAS
3h
Nonstop
10:20 amSTL

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 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)
2027-08-21 → 2027-08-28Frontier AirlinesF93107 / F93108$220.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4157 / WN2464$350.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28United AirlinesUA5939 + UA1964 / UA1315 + UA1639$430.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Delta Air LinesDL2455 + DL1690 / DL2674 + DL2455$440.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4155 / WN2464$350.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Frontier AirlinesF94567 + F9777 / F93108$240.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Frontier AirlinesF93107 / F91766 + F93302$240.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4155 / WN1139 + WN1954$360.002026-10-29T01:28:42Z
2027-08-21 → 2027-08-28Southwest AirlinesWN1316 + WN1667 / WN2464$360.002026-10-29T01:28:42Z

2027-08-21 → 2027-08-28 · $220.00

  • Frontier Airlines F93107: STL 2027-08-21 17:15:00 → LAS 2027-08-21 18:59:00; nonstop; 224 minutes. Local airport times.
  • Frontier Airlines F93108: LAS 2027-08-28 06:58:00 → STL 2027-08-28 12:12:00; nonstop; 194 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $350.00

  • Southwest Airlines WN4157: STL 2027-08-21 18:25:00 → LAS 2027-08-21 20:00:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN2464: LAS 2027-08-28 05:20:00 → STL 2027-08-28 10:20:00; nonstop; 180 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $430.00

  • United Airlines UA5939 / UA1964: STL 2027-08-21 14:25:00 → LAS 2027-08-21 18:38:00; 1 stop(s) via DEN; 373 minutes. Local airport times.
    • UA5939: STL 2027-08-21 14:25:00 → DEN 2027-08-21 16:13:00; layover at DEN: 80 minutes.
    • UA1964: DEN 2027-08-21 17:33:00 → LAS 2027-08-21 18:38:00.
  • United Airlines UA1315 / UA1639: LAS 2027-08-28 09:46:00 → STL 2027-08-28 16:57:00; 1 stop(s) via DEN; 311 minutes. Local airport times.
    • UA1315: LAS 2027-08-28 09:46:00 → DEN 2027-08-28 12:42:00; layover at DEN: 73 minutes.
    • UA1639: DEN 2027-08-28 13:55:00 → STL 2027-08-28 16:57:00.

2027-08-21 → 2027-08-28 · $440.00

  • Delta Air Lines DL2455 / DL1690: STL 2027-08-21 14:20:00 → LAS 2027-08-21 18:12:00; 1 stop(s) via SLC; 352 minutes. Local airport times.
    • DL2455: STL 2027-08-21 14:20:00 → SLC 2027-08-21 16:40:00; layover at SLC: 60 minutes.
    • DL1690: SLC 2027-08-21 17:40:00 → LAS 2027-08-21 18:12:00.
  • Delta Air Lines DL2674 / DL2455: LAS 2027-08-28 06:00:00 → STL 2027-08-28 13:21:00; 1 stop(s) via SLC; 321 minutes. Local airport times.
    • DL2674: LAS 2027-08-28 06:00:00 → SLC 2027-08-28 08:23:00; layover at SLC: 63 minutes.
    • DL2455: SLC 2027-08-28 09:26:00 → STL 2027-08-28 13:21:00.

2027-08-21 → 2027-08-28 · $350.00

  • Southwest Airlines WN4155: STL 2027-08-21 10:55:00 → LAS 2027-08-21 12:30:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN2464: LAS 2027-08-28 05:20:00 → STL 2027-08-28 10:20:00; nonstop; 180 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $240.00

  • Frontier Airlines F94567 / F9777: STL 2027-08-21 19:58:00 → LAS 2027-08-21 23:44:00; 1 stop(s) via DEN; 346 minutes. Local airport times.
    • F94567: STL 2027-08-21 19:58:00 → DEN 2027-08-21 21:29:00; layover at DEN: 75 minutes.
    • F9777: DEN 2027-08-21 22:44:00 → LAS 2027-08-21 23:44:00.
  • Frontier Airlines F93108: LAS 2027-08-28 06:58:00 → STL 2027-08-28 12:12:00; nonstop; 194 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $240.00

  • Frontier Airlines F93107: STL 2027-08-21 14:02:00 → LAS 2027-08-21 15:38:00; nonstop; 216 minutes. Local airport times.
  • Frontier Airlines F91766 / F93302: LAS 2027-08-28 11:46:00 → STL 2027-08-28 19:14:00; 1 stop(s) via DEN; 328 minutes. Local airport times.
    • F91766: LAS 2027-08-28 11:46:00 → DEN 2027-08-28 14:44:00; layover at DEN: 85 minutes.
    • F93302: DEN 2027-08-28 16:09:00 → STL 2027-08-28 19:14:00.

2027-08-21 → 2027-08-28 · $360.00

  • Southwest Airlines WN4155: STL 2027-08-21 11:05:00 → LAS 2027-08-21 12:40:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN1139 / WN1954: LAS 2027-08-28 05:10:00 → STL 2027-08-28 12:45:00; 1 stop(s) via DAL; 335 minutes. Local airport times.
    • WN1139: LAS 2027-08-28 05:10:00 → DAL 2027-08-28 09:45:00; layover at DAL: 75 minutes.
    • WN1954: DAL 2027-08-28 11:00:00 → STL 2027-08-28 12:45:00.

2027-08-21 → 2027-08-28 · $360.00

  • Southwest Airlines WN1316 / WN1667: STL 2027-08-21 20:35:00 → LAS 2027-08-21 23:55:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN1316: STL 2027-08-21 20:35:00 → DEN 2027-08-21 21:55:00; layover at DEN: 60 minutes.
    • WN1667: DEN 2027-08-21 22:55:00 → LAS 2027-08-21 23:55:00.
  • Southwest Airlines WN2464: LAS 2027-08-28 05:20:00 → STL 2027-08-28 10:20:00; nonstop; 180 minutes. Local airport times.

More dates for this route