Our cheapest offers for flights from St. Louis to Los Angeles

Here you can compare cheap flights from St. Louis (STL) to Los Angeles (LAX) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Los Angeles. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
St. Louis Los Angeles Please note: transfer for connecting flight	Outbound 10/08/25 1 Stopover (DEN) F94567, F94345 06h 33min	Return 10/22/25 1 Stopover (DFW) F94964, F94742 12h 22min	Frontier Airlines		$321
Best option St. Louis Los Angeles	Outbound 10/08/25 direct AA6503 03h 48min	Return 10/22/25 direct AA6342 03h 26min	American Airlines	?	$420	Offers unavailable
St. Louis Los Angeles	Outbound 10/08/25 2 Stopovers (DEN, LAS) F94567, F90777, F91183 26h 01min	Return 10/22/25 1 Stopover (DEN) F93156, F93302 24h 22min	Frontier Airlines	?	$376
St. Louis Los Angeles	Outbound 10/08/25 1 Stopover (DEN) F94567, F94345 06h 33min	Return 10/22/25 1 Stopover (SEA) AS1083, AS0472 08h 03min	Frontier Airlines	?	$395
St. Louis Los Angeles	Outbound 10/08/25 direct AA6503 03h 48min	Return 10/22/25 direct AA6342 03h 26min	American Airlines	?	$461	Offers unavailable
St. Louis Los Angeles	Outbound 10/08/25 direct AA6503 03h 48min	Return 10/22/25 direct AA6342 03h 26min	American Airlines	?	$550	Offers unavailable
St. Louis Los Angeles	Outbound 10/08/25 direct AS6040 03h 48min	Return 10/22/25 direct AS6320 03h 26min	Alaska Airlines	?	$1,035	Offers unavailable

Tips and tricks to help you find cheap flights from St. Louis to Los Angeles

Important flight information

Flight information: St. Louis - Los Angeles

Roundtrip from	$ 321,00
Flight duration	min. 04:10 / max. 06:15
Return flight duration	min. 03:28/ max. 09:25
Distance	2560 km
Flights per week	49
Departure airport	Airport St. Louis - Lambert International Airport (STL)
Arrival airport	Airport Los Angeles International Airport, CA (LAX)
Destination country	Flights to United States

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