United States · 1,588 miles (2,556 km)

Los Angeles (LAX) to Saint Louis (STL) flights

2 airlines fly nonstop from Los Angeles (LAX) to Saint Louis (STL): American Airlines and Southwest Airlines. The two airports are 1,588 miles (2,556 km) apart. American Airlines is in oneworld. There are also 40 ways to fly it with one stop, through Kansas City, Las Vegas and Denver and more.

Airlines flying nonstop from LAX to STL

Book LAX to STL with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

LAX to STL with one stop

40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Kansas City (MCI)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +3
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +2
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +2
    American Airlines logo
    Southwest Airlines logo
  • Via San Diego (SAN)Delta Air Lines and United Airlines, then Southwest Airlines
    Delta Air Lines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Omaha (OMA)American Airlines, then Southwest Airlines
    American Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +2
    Delta Air Lines logo
  • Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
    Southwest Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via San Antonio (SAT)Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    +1
    American Airlines logo
    United Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Houston (IAH)United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Delta Air Lines logo
    +1
    United Airlines logo
See all 40 in Routes

LAX to STL: common questions

Which airlines fly nonstop from LAX to STL?

American Airlines (oneworld) and Southwest Airlines fly nonstop from Los Angeles (LAX) to Saint Louis (STL).

How far is Los Angeles from Saint Louis by plane?

Los Angeles (LAX) and Saint Louis (STL) are 1,588 miles (2,556 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book LAX to STL award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does LAX to STL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LAX to STL with taxes and fees.

Where can I connect between Los Angeles and Saint Louis?

The most direct connections are through Kansas City (MCI), Las Vegas (LAS), Denver (DEN), Phoenix (PHX) and San Diego (SAN). On 30 of them the same airline flies both flights, for example Southwest Airlines through Kansas City.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.