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Route overview: Las Vegas to Saint Louis (STL) flight deals

Las Vegas → Saint Louis

Dec 15, 2026 · return Dec 18, 2026

LAS → STL1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Tue, Dec 15 – Fri, Dec 18

Frontier Airlines
6:58 amLAS
3h 14m
Nonstop
12:12 pmSTL
Frontier Airlines
2:02 pmSTL
3h 36m
Nonstop
3:38 pmLAS

Round-trip total · 1 adult · Taxes included

Tue, Dec 15 – Fri, Dec 18

Southwest Airlines
7:00 amLAS
3h
Nonstop
12:00 pmSTL
Southwest Airlines
8:20 pmSTL
3h 40m
Nonstop
10:00 pmLAS

Round-trip total · 1 adult · Taxes included

Tue, Dec 15 – Fri, Dec 18

Southwest Airlines
4:15 pmLAS
3h 5m
Nonstop
9:20 pmSTL
Southwest Airlines
8:20 pmSTL
3h 40m
Nonstop
10:00 pmLAS

Round-trip total · 1 adult · Taxes included

One-stop flights

Tue, Dec 15 – Fri, Dec 18

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

Tue, Dec 15 – Fri, Dec 18

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

Tue, Dec 15 – Fri, Dec 18

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

Tue, Dec 15 – Fri, Dec 18

Frontier Airlines
11:46 amLAS
5h 28m
DEN · 1h 25m
7:14 pmSTL
Frontier Airlines
7:58 pmSTL
5h 46m
DEN · 1h 15m
11:44 pmLAS

Round-trip total · 1 adult · Taxes included

Tue, Dec 15 – Fri, Dec 18

Southwest Airlines
8:20 amLAS
5h 5m
MCI · 1h 15m
3:25 pmSTL
Southwest Airlines
8:20 pmSTL
3h 40m
Nonstop
10:00 pmLAS

Round-trip total · 1 adult · Taxes included

Tue, Dec 15 – Fri, Dec 18

Southwest Airlines
7:20 amLAS
3h 5m
Nonstop
12:25 pmSTL
Southwest Airlines
2:45 pmSTL
6h 5m
AUS · 1h
6:50 pmLAS

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.

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Explore this route

All dates for this routeDec 14, 2026 → Dec 17, 2026Dec 16, 2026 → Dec 19, 2026
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.

Route overview: Las Vegas to Saint Louis (STL) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-15 → 2026-12-18Frontier AirlinesF93108 / F93107$180.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Southwest AirlinesWN2465 / WN2229$300.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18United AirlinesUA1315 + UA1639 / UA5939 + UA1964$350.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Delta Air LinesDL2674 + DL2455 / DL2455 + DL1690$360.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Southwest AirlinesWN3909 / WN2229$300.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Frontier AirlinesF93108 / F94567 + F9777$200.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Frontier AirlinesF91766 + F93302 / F94567 + F9777$220.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Southwest AirlinesWN2427 + WN2714 / WN2229$315.002026-10-29T01:24:32Z
2026-12-15 → 2026-12-18Southwest AirlinesWN2465 / WN4913 + WN188$315.002026-10-29T01:24:32Z

2026-12-15 → 2026-12-18 · $180.00

  • Frontier Airlines F93108: LAS 2026-12-15 06:58:00 → STL 2026-12-15 12:12:00; nonstop; 194 minutes. Local airport times.
  • Frontier Airlines F93107: STL 2026-12-18 14:02:00 → LAS 2026-12-18 15:38:00; nonstop; 216 minutes. Local airport times.

2026-12-15 → 2026-12-18 · $300.00

  • Southwest Airlines WN2465: LAS 2026-12-15 07:00:00 → STL 2026-12-15 12:00:00; nonstop; 180 minutes. Local airport times.
  • Southwest Airlines WN2229: STL 2026-12-18 20:20:00 → LAS 2026-12-18 22:00:00; nonstop; 220 minutes. Local airport times.

2026-12-15 → 2026-12-18 · $350.00

  • United Airlines UA1315 / UA1639: LAS 2026-12-15 09:46:00 → STL 2026-12-15 16:57:00; 1 stop(s) via DEN; 311 minutes. Local airport times.
    • UA1315: LAS 2026-12-15 09:46:00 → DEN 2026-12-15 12:42:00; layover at DEN: 73 minutes.
    • UA1639: DEN 2026-12-15 13:55:00 → STL 2026-12-15 16:57:00.
  • United Airlines UA5939 / UA1964: STL 2026-12-18 14:25:00 → LAS 2026-12-18 18:38:00; 1 stop(s) via DEN; 373 minutes. Local airport times.
    • UA5939: STL 2026-12-18 14:25:00 → DEN 2026-12-18 16:13:00; layover at DEN: 80 minutes.
    • UA1964: DEN 2026-12-18 17:33:00 → LAS 2026-12-18 18:38:00.

2026-12-15 → 2026-12-18 · $360.00

  • Delta Air Lines DL2674 / DL2455: LAS 2026-12-15 06:00:00 → STL 2026-12-15 13:21:00; 1 stop(s) via SLC; 321 minutes. Local airport times.
    • DL2674: LAS 2026-12-15 06:00:00 → SLC 2026-12-15 08:23:00; layover at SLC: 63 minutes.
    • DL2455: SLC 2026-12-15 09:26:00 → STL 2026-12-15 13:21:00.
  • Delta Air Lines DL2455 / DL1690: STL 2026-12-18 14:20:00 → LAS 2026-12-18 18:12:00; 1 stop(s) via SLC; 352 minutes. Local airport times.
    • DL2455: STL 2026-12-18 14:20:00 → SLC 2026-12-18 16:40:00; layover at SLC: 60 minutes.
    • DL1690: SLC 2026-12-18 17:40:00 → LAS 2026-12-18 18:12:00.

2026-12-15 → 2026-12-18 · $300.00

  • Southwest Airlines WN3909: LAS 2026-12-15 16:15:00 → STL 2026-12-15 21:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN2229: STL 2026-12-18 20:20:00 → LAS 2026-12-18 22:00:00; nonstop; 220 minutes. Local airport times.

2026-12-15 → 2026-12-18 · $200.00

  • Frontier Airlines F93108: LAS 2026-12-15 08:20:00 → STL 2026-12-15 13:32:00; nonstop; 192 minutes. Local airport times.
  • Frontier Airlines F94567 / F9777: STL 2026-12-18 19:58:00 → LAS 2026-12-18 23:44:00; 1 stop(s) via DEN; 346 minutes. Local airport times.
    • F94567: STL 2026-12-18 19:58:00 → DEN 2026-12-18 21:29:00; layover at DEN: 75 minutes.
    • F9777: DEN 2026-12-18 22:44:00 → LAS 2026-12-18 23:44:00.

2026-12-15 → 2026-12-18 · $220.00

  • Frontier Airlines F91766 / F93302: LAS 2026-12-15 11:46:00 → STL 2026-12-15 19:14:00; 1 stop(s) via DEN; 328 minutes. Local airport times.
    • F91766: LAS 2026-12-15 11:46:00 → DEN 2026-12-15 14:44:00; layover at DEN: 85 minutes.
    • F93302: DEN 2026-12-15 16:09:00 → STL 2026-12-15 19:14:00.
  • Frontier Airlines F94567 / F9777: STL 2026-12-18 19:58:00 → LAS 2026-12-18 23:44:00; 1 stop(s) via DEN; 346 minutes. Local airport times.
    • F94567: STL 2026-12-18 19:58:00 → DEN 2026-12-18 21:29:00; layover at DEN: 75 minutes.
    • F9777: DEN 2026-12-18 22:44:00 → LAS 2026-12-18 23:44:00.

2026-12-15 → 2026-12-18 · $315.00

  • Southwest Airlines WN2427 / WN2714: LAS 2026-12-15 08:20:00 → STL 2026-12-15 15:25:00; 1 stop(s) via MCI; 305 minutes. Local airport times.
    • WN2427: LAS 2026-12-15 08:20:00 → MCI 2026-12-15 13:05:00; layover at MCI: 75 minutes.
    • WN2714: MCI 2026-12-15 14:20:00 → STL 2026-12-15 15:25:00.
  • Southwest Airlines WN2229: STL 2026-12-18 20:20:00 → LAS 2026-12-18 22:00:00; nonstop; 220 minutes. Local airport times.

2026-12-15 → 2026-12-18 · $315.00

  • Southwest Airlines WN2465: LAS 2026-12-15 07:20:00 → STL 2026-12-15 12:25:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN4913 / WN188: STL 2026-12-18 14:45:00 → LAS 2026-12-18 18:50:00; 1 stop(s) via AUS; 365 minutes. Local airport times.
    • WN4913: STL 2026-12-18 14:45:00 → AUS 2026-12-18 16:50:00; layover at AUS: 60 minutes.
    • WN188: AUS 2026-12-18 17:50:00 → LAS 2026-12-18 18:50:00.

Explore this route