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Saint Louis → Las Vegas

Dec 21, 2026 · one way

STL → LAS1 adulteconomyOne way

9 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

Frontier Airlines
1:28 pmSTL
3h 44m
Nonstop
3:12 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
5:25 amSTL
3h 35m
Nonstop
7:00 amLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:20 pmSTL
3h 40m
Nonstop
10:00 pmLAS

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

United Airlines
2:25 pmSTL
6h 13m
DEN · 1h 20m
6:38 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Frontier Airlines
7:58 pmSTL
5h 46m
DEN · 1h 15m
11:44 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:35 pmSTL
5h 20m
DEN · 1h
11:55 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
5:05 pmSTL
6h
MCI · 1h 45m
9:05 pmLAS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
2:45 pmSTL
6h 5m
AUS · 1h
6:50 pmLAS

One-way 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 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)
2026-12-21 · one wayFrontier AirlinesF93107$118.752026-10-29T01:28:42Z
2026-12-21 · one waySouthwest AirlinesWN2406$200.002026-10-29T01:28:42Z
2026-12-21 · one wayUnited AirlinesUA5939 + UA1964$256.252026-10-29T01:28:42Z
2026-12-21 · one wayDelta Air LinesDL2455 + DL1690$268.752026-10-29T01:28:42Z
2026-12-21 · one waySouthwest AirlinesWN2229$200.002026-10-29T01:28:42Z
2026-12-21 · one wayFrontier AirlinesF94567 + F9777$143.752026-10-29T01:28:42Z
2026-12-21 · one waySouthwest AirlinesWN1316 + WN1667$212.502026-10-29T01:28:42Z
2026-12-21 · one waySouthwest AirlinesWN4194 + WN2677$212.502026-10-29T01:28:42Z
2026-12-21 · one waySouthwest AirlinesWN4913 + WN188$212.502026-10-29T01:28:42Z

2026-12-21 · one way · $118.75

  • Frontier Airlines F93107: STL 2026-12-21 13:28:00 → LAS 2026-12-21 15:12:00; nonstop; 224 minutes. Local airport times.

2026-12-21 · one way · $200.00

  • Southwest Airlines WN2406: STL 2026-12-21 05:25:00 → LAS 2026-12-21 07:00:00; nonstop; 215 minutes. Local airport times.

2026-12-21 · one way · $256.25

  • United Airlines UA5939 / UA1964: STL 2026-12-21 14:25:00 → LAS 2026-12-21 18:38:00; 1 stop(s) via DEN; 373 minutes. Local airport times.
    • UA5939: STL 2026-12-21 14:25:00 → DEN 2026-12-21 16:13:00; layover at DEN: 80 minutes.
    • UA1964: DEN 2026-12-21 17:33:00 → LAS 2026-12-21 18:38:00.

2026-12-21 · one way · $268.75

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

2026-12-21 · one way · $200.00

  • Southwest Airlines WN2229: STL 2026-12-21 20:20:00 → LAS 2026-12-21 22:00:00; nonstop; 220 minutes. Local airport times.

2026-12-21 · one way · $143.75

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

2026-12-21 · one way · $212.50

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

2026-12-21 · one way · $212.50

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

2026-12-21 · one way · $212.50

  • Southwest Airlines WN4913 / WN188: STL 2026-12-21 14:45:00 → LAS 2026-12-21 18:50:00; 1 stop(s) via AUS; 365 minutes. Local airport times.
    • WN4913: STL 2026-12-21 14:45:00 → AUS 2026-12-21 16:50:00; layover at AUS: 60 minutes.
    • WN188: AUS 2026-12-21 17:50:00 → LAS 2026-12-21 18:50:00.

More dates for this route