Cheap Flights from St. Louis to Los Angeles

FAQ

• What are the cheapest flights from St. Louis to Los Angeles (STL-LAX)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as IDR 1,222,303 on Cheapest nonstop routes (e.g. STL to LAX on Mon, Nov 10), while Frontier Airlines offers Cheapest nonstop round-trips from IDR 2,534,379 departing on Tue, Sep 23 and returning on Tue, Sep 30.

• How long is the flight from St. Louis (STL) to Los Angeles (LAX)?

  It takes about 4 hours 6 minutes to fly from St. Louis (STL) to Los Angeles (LAX).

• When is the best time to book flights from St. Louis to Los Angeles?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from St. Louis to Los Angeles is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from St. Louis to Los Angeles?

  To find best deals on flights from St. Louis to Los Angeles, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Nov 10, with one-way flights priced at just IDR 1,222,303.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Southwest Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Los Angeles travel is around March.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from St. Louis (STL) to Los Angeles (LAX) the cheapest?

  The cheapest months to fly from St. Louis to Los Angeles is April, when demand for travel is lower.

• Which upcoming date is cheapest to fly from St. Louis to Los Angeles on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from St. Louis to Los Angeles on September 22, 2025 with Frontier Airlines, with prices starting at IDR 2,497,548.

• Is there any time difference between St. Louis and Los Angeles?

  The time difference between Los Angeles and St. Louis is 2h.

• How do I change or cancel my ticket from St. Louis to Los Angeles?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.