Frontier AirlinesDepart16:50
Wed, Jan 13LAX → STL
7h 51m · 2 stops
$125one way, per person
View deal
- Cheapest fare
- $125
- Cheapest month
- January
- Direct flights
- Not recently
- Quickest trip
- 4h 34m
Frontier Airlines · Wed, Jan 13
from $125
Usually 1+ stop
2,550 km
Get a price alert
We'll email you when Los Angeles → St Louis drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $125. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Los Angeles to St Louis
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in January 2027
The lowest fares we've seen for each day, cheapest first.
Frontier AirlinesPlan the rest of your trip to St Louis
Where to stay, what to do and getting around, from our travel partners.
About flights from Los Angeles to St Louis
Los Angeles (LAX) and St Louis (STL) are about 2,550 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 34m. Over the next few months, one-way fares start from $125, and January 2027 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Los Angeles to St Louis?
The cheapest one-way fare we've seen recently is $125 with Frontier Airlines, departing Wednesday, January 13, 2027. Over the coming months, the lowest fare in each month ranges from $125 to $201.
What is the cheapest month to fly from Los Angeles to St Louis?
January 2027 currently has the lowest fares, from $125 one way.
Are there direct flights from Los Angeles to St Louis?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Los Angeles to St Louis?
The quickest journey we've seen takes about 4h 34m. Los Angeles and St Louis are around 2,550 km apart.
Which airlines fly from Los Angeles to St Louis?
Recent fares on this route were with Frontier Airlines.
More cheap flights from Los Angeles
- Los Angeles to Las Vegasfrom $96
- Los Angeles to New Yorkfrom $130
- Los Angeles to San Franciscofrom $18
- Los Angeles to Guatemala Cityfrom $150
- Los Angeles to Guadalajarafrom $144
- Los Angeles to San Salvadorfrom $198
- Los Angeles to Moscowfrom $536
- Los Angeles to Seattlefrom $154
- Los Angeles to Chicagofrom $133
- Los Angeles to Miamifrom $118
- Los Angeles to Yerevanfrom $399
- Los Angeles to Tokyofrom $301