Travel with Axel,
get the best price.

Route overview: Los Angeles to Saint Louis (STL) flight deals

Los Angeles → Saint Louis

Dec 18, 2026 · return Dec 22, 2026

LAX → STL1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Fri, Dec 18 – Tue, Dec 22

Southwest Airlines
11:55 amLAX
3h 30m
Nonstop
5:25 pmSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

American Airlines
3:00 pmLAX
3h 40m
Nonstop
8:40 pmSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

Southwest Airlines
2:35 pmLAX
3h 30m
Nonstop
8:05 pmSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

American Airlines
6:01 pmLAX
3h 43m
Nonstop
11:44 pmSTL
American Airlines
8:10 amSTL
4h 27m
Nonstop
10:37 amLAX

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 18 – Tue, Dec 22

United Airlines
12:45 pmLAX
6h 12m
DEN · 1h 39m
8:57 pmSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

Delta Air Lines
9:51 amLAX
5h 50m
SLC · 1h 6m
5:41 pmSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

Southwest Airlines
5:00 amLAX
6h 5m
HOU · 1h
1:05 pmSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

Southwest Airlines
4:35 pmLAX
5h 45m
PHX · 1h 30m
12:20 am+1STL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

United Airlines
12:25 amLAX
6h 30m
ORD · 1h 4m
8:55 amSTL
Southwest Airlines
8:40 pmSTL
4h
Nonstop
10:40 pmLAX

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

American Airlines
3:16 pmLAX
3h 40m
Nonstop
8:56 pmSTL
American Airlines
2:23 pmSTL
6h 29m
PHX · 1h 25m
6:52 pmLAX

Round-trip total · 1 adult · Taxes included

Make this trip yours

LAX ⇄ STL

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, Southwest 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

Explore this route

All dates for this routeDec 17, 2026 → Dec 21, 2026Dec 19, 2026 → Dec 23, 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: Los Angeles to Saint Louis (STL) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-18 → 2026-12-22Southwest AirlinesWN2024 / WN4712$385.252026-10-29T01:26:05Z
2026-12-18 → 2026-12-22American Airlines / Southwest AirlinesAA6502 / WN4712$392.752026-10-29T01:26:05Z
2026-12-18 → 2026-12-22United Airlines / Southwest AirlinesUA360 + UA1422 / WN4712$385.252026-10-29T01:26:05Z
2026-12-18 → 2026-12-22Delta Air Lines / Southwest AirlinesDL1710 + DL2373 / WN4712$387.752026-10-29T01:26:05Z
2026-12-18 → 2026-12-22Southwest AirlinesWN2602 / WN4712$385.252026-10-29T01:26:05Z
2026-12-18 → 2026-12-22American AirlinesAA6502 / AA4912$402.502026-10-29T01:26:05Z
2026-12-18 → 2026-12-22Southwest AirlinesWN4867 + WN2174 / WN4712$370.252026-10-29T01:26:05Z
2026-12-18 → 2026-12-22Southwest AirlinesWN2527 + WN3528 / WN4712$370.252026-10-29T01:26:05Z
2026-12-18 → 2026-12-22United Airlines / Southwest AirlinesUA729 + UA4613 / WN4712$385.252026-10-29T01:26:05Z
2026-12-18 → 2026-12-22American AirlinesAA6502 / AA2303 + AA2908$386.252026-10-29T01:26:05Z

2026-12-18 → 2026-12-22 · $385.25

  • Southwest Airlines WN2024: LAX 2026-12-18 11:55:00 → STL 2026-12-18 17:25:00; nonstop; 210 minutes. Local airport times.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $392.75

  • American Airlines AA6502: LAX 2026-12-18 15:00:00 → STL 2026-12-18 20:40:00; nonstop; 220 minutes. Local airport times.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $385.25

  • United Airlines UA360 / UA1422: LAX 2026-12-18 12:45:00 → STL 2026-12-18 20:57:00; 1 stop(s) via DEN; 372 minutes. Local airport times.
    • UA360: LAX 2026-12-18 12:45:00 → DEN 2026-12-18 16:10:00; layover at DEN: 99 minutes.
    • UA1422: DEN 2026-12-18 17:49:00 → STL 2026-12-18 20:57:00.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $387.75

  • Delta Air Lines DL1710 / DL2373: LAX 2026-12-18 09:51:00 → STL 2026-12-18 17:41:00; 1 stop(s) via SLC; 350 minutes. Local airport times.
    • DL1710: LAX 2026-12-18 09:51:00 → SLC 2026-12-18 12:49:00; layover at SLC: 66 minutes.
    • DL2373: SLC 2026-12-18 13:55:00 → STL 2026-12-18 17:41:00.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $385.25

  • Southwest Airlines WN2602: LAX 2026-12-18 14:35:00 → STL 2026-12-18 20:05:00; nonstop; 210 minutes. Local airport times.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $402.50

  • American Airlines AA6502: LAX 2026-12-18 18:01:00 → STL 2026-12-18 23:44:00; nonstop; 223 minutes. Local airport times.
  • American Airlines AA4912: STL 2026-12-22 08:10:00 → LAX 2026-12-22 10:37:00; nonstop; 267 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $370.25

  • Southwest Airlines WN4867 / WN2174: LAX 2026-12-18 05:00:00 → STL 2026-12-18 13:05:00; 1 stop(s) via HOU; 365 minutes. Local airport times.
    • WN4867: LAX 2026-12-18 05:00:00 → HOU 2026-12-18 10:05:00; layover at HOU: 60 minutes.
    • WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $370.25

  • Southwest Airlines WN2527 / WN3528: LAX 2026-12-18 16:35:00 → STL 2026-12-19 00:20:00; 1 stop(s) via PHX; 345 minutes. Local airport times.
    • WN2527: LAX 2026-12-18 16:35:00 → PHX 2026-12-18 18:55:00; layover at PHX: 90 minutes.
    • WN3528: PHX 2026-12-18 20:25:00 → STL 2026-12-19 00:20:00.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $385.25

  • United Airlines UA729 / UA4613: LAX 2026-12-18 00:25:00 → STL 2026-12-18 08:55:00; 1 stop(s) via ORD; 390 minutes. Local airport times.
    • UA729: LAX 2026-12-18 00:25:00 → ORD 2026-12-18 06:23:00; layover at ORD: 64 minutes.
    • UA4613: ORD 2026-12-18 07:27:00 → STL 2026-12-18 08:55:00.
  • Southwest Airlines WN4712: STL 2026-12-22 20:40:00 → LAX 2026-12-22 22:40:00; nonstop; 240 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $386.25

  • American Airlines AA6502: LAX 2026-12-18 15:16:00 → STL 2026-12-18 20:56:00; nonstop; 220 minutes. Local airport times.
  • American Airlines AA2303 / AA2908: STL 2026-12-22 14:23:00 → LAX 2026-12-22 18:52:00; 1 stop(s) via PHX; 389 minutes. Local airport times.
    • AA2303: STL 2026-12-22 14:23:00 → PHX 2026-12-22 16:51:00; layover at PHX: 85 minutes.
    • AA2908: PHX 2026-12-22 18:16:00 → LAX 2026-12-22 18:52:00.

Explore this route