STL - LAX

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Everything you should know

Cheapest round-trip
$345
Typical prices: $354-$530
Southwest
Sun 11/25Sun 12/2
STL - LAX • Non-stop
Cheapest one-way
$169
Typical prices: $192-$330
American Airlines
Sun 2/25
STL - LAX • Non-stop
Nonstop flights
You can fly direct with Southwest and American Airlines. Average duration is 4h 16m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $219 (round-trip)
Shortest trip • 5h 57m (one-way)
Insights
Insights
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We hope you love your trip to Los Angeles!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from St. Louis to Los Angeles (STL-LAX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Los Angeles

Wed, Nov 25 - Wed, Dec 2
Southwest Logo
9:55 pm - 11:55 pmSTL  Lambert-St Louis-LAX Los Angeles
4h 00mnonstop
Southwest Logo
11:55 am - 5:25 pmLAX  Los Angeles-STL Lambert-St Louis
3h 30mnonstop
$345Southwest
Mon, Nov 16 - Fri, Nov 20
Frontier Logo
7:59 pm - 4:16 pmSTL  Lambert-St Louis-LAX Los Angeles
22h 17m2 stops Denver Intl Las Vegas Harry Reid Intl
Frontier Logo
7:41 pm - 4:20 pmLAX  Los Angeles-STL Lambert-St Louis
18h 39m1 stop Las Vegas Harry Reid Intl
$346Frontier
Thu, Dec 10 - Sun, Dec 13
Delta Logo
2:15 pm - 9:54 pmSTL  Lambert-St Louis-LAX Los Angeles
9h 39m1 stop Salt Lake City
Delta Logo
5:45 am - 1:21 pmLAX  Los Angeles-STL Lambert-St Louis
5h 36m1 stop Salt Lake City
$346Delta
Tue, Dec 8 - Sun, Dec 13
Delta Logo
7:08 am - 12:06 pmSTL  Lambert-St Louis-LAX Los Angeles
6h 58m1 stop Salt Lake City
Delta Logo
6:00 am - 4:30 pmLAX  Los Angeles-STL Lambert-St Louis
8h 30m1 stop Minneapolis St Paul
$346Delta
Fri, Nov 20 - Fri, Nov 27
Southwest Logo
5:05 am - 7:10 amSTL  Lambert-St Louis-LAX Los Angeles
4h 05mnonstop
Southwest Logo
7:00 pm - 12:30 amLAX  Los Angeles-STL Lambert-St Louis
3h 30mnonstop
$346Southwest
Fri, Feb 5 - Mon, Feb 8
American Airlines Logo
1:46 pm - 9:34 pmSTL  Lambert-St Louis-LAX Los Angeles
9h 48m1 stop Chicago O'Hare Intl
American Airlines Logo
5:50 pm - 11:36 pmLAX  Los Angeles-STL Lambert-St Louis
3h 46mnonstop
$347American Airlines
Mon, Nov 23 - Tue, Dec 1
American Airlines Logo
1:14 pm - 7:50 pmSTL  Lambert-St Louis-LAX Los Angeles
8h 36m1 stop Chicago O'Hare Intl
American Airlines Logo
6:16 pm - 11:58 pmLAX  Los Angeles-STL Lambert-St Louis
3h 42mnonstop
$347American Airlines
Sun, Dec 20 - Mon, Dec 28
Frontier Logo
5:58 pm - 2:35 pmSTL  Lambert-St Louis-LAX Los Angeles
22h 37m2 stops Orlando Phoenix Sky Harbor Intl
Frontier Logo
6:00 am - 3:26 pmLAX  Los Angeles-STL Lambert-St Louis
7h 26m1 stop Denver Intl
$351Frontier
Mon, Nov 16 - Tue, Dec 1
Multiple Airlines Logo
2:00 pm - 9:19 amSTL  Lambert-St Louis-LAX Los Angeles
21h 19m3 stops Jonesboro Nashville Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:22 pm - 8:11 pmLAX  Los Angeles-STL Lambert-St Louis
23h 49m3 stops Phoenix Sky Harbor Intl Denver Intl Orlando
$351Multiple Airlines
Mon, Nov 16 - Fri, Nov 20
Multiple Airlines Logo
2:00 pm - 9:19 amSTL  Lambert-St Louis-LAX Los Angeles
21h 19m3 stops Jonesboro Nashville Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:50 pm - 4:20 pmLAX  Los Angeles-STL Lambert-St Louis
21h 30m2 stops Denver Intl Las Vegas Harry Reid Intl
$360Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Los Angeles flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Los Angeles?

Round-trip flights from St. Louis to Los Angeles typically range from $354 to $530. The lowest price found in the past 5 days was $345, on Southwest.

What's the cheapest day of the week to fly from St. Louis to Los Angeles?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to Los Angeles. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from St. Louis to Los Angeles?

•February is the cheapest month to fly from St. Louis to Los Angeles at $372 round-trip.
•June ($500) and August ($475) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 34% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Los Angeles the cheapest?

Flights from St. Louis to Los Angeles are cheapest 18 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from St. Louis to Los Angeles

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Chris Dong

Chris Dong

Expert on Cathay Pacific

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on LAX

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Key details for St. Louis to Los Angeles flights

Low season

September

Cheapest flight

$169
Beat the crowds with an average 28% drop in travelers.
The most popular month to fly with an average 20% increase in travelers.
One-way flight from St. Louis to Los Angeles

When to book flights from St. Louis to Los Angeles

Are your dates flexible? Find out the best times to travel from St. Louis to Los Angeles based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Los Angeles flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from St. Louis to Los Angeles?

    These are the earliest and latest flight times available from St. Louis to Los Angeles:

    • Earliest: departs at 5:05 am and lands at 9:21 am
    • Latest: departs at 10:50 pm and lands at 3:06 am.

    The flight takes about 4h 16m.

  • What cabin classes can I book on flights from St. Louis to Los Angeles?

    Three cabin classes are available on flights from St. Louis to Los Angeles:

    • Economy Class
    • Business Class
    • First Class

  • How long is a flight from St. Louis to Los Angeles?

    A nonstop flight from St. Louis to Los Angeles takes 4h 16m, covering 1,588 miles.

  • Do I need a passport to fly from St. Louis to Los Angeles?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a St. Louis to Los Angeles flight?

    Round-trip flights from St. Louis to Los Angeles range from $354 to $530, with an average of $427 over the past 12 months. Anything below $354 counts as a good deal.

  • How expensive are last-minute St. Louis to Los Angeles flights?

    Last-minute fares on this route (booked within two weeks of departure) run 24% above the $427 route average. Book 18 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from St. Louis to Los Angeles?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $219 round-trip via Orlando (MCO), compared to $454 for nonstop.

  • What is the standard checked-bag allowance on flights from St. Louis to Los Angeles?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from St. Louis to Los Angeles?

    The Embraer 175 family is used most often on this route, operated mainly by American Airlines and Alaska Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • How are flight departures from St. Louis to Los Angeles spread across the day?

    Morning is the busiest departure period on St. Louis to Los Angeles flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from St. Louis to Los Angeles changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $345 to $2,811. That means the highest observed fare was about 8x higher than the lowest one.

  • Which airlines offer Wi-Fi on St. Louis to Los Angeles flights?

    Three airlines offer in-flight Wi-Fi on St. Louis to Los Angeles flights:

    • American Airlines
    • JetBlue
    • Alaska Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from St. Louis to Los Angeles looking right now?

    One-way fares from St. Louis to Los Angeles are currently lower than usual. Average one-way flight prices are about $184, which is 26% below the typical average for this route.

  • What car rental options are available at Los Angeles Airport (LAX)?

    Los Angeles Airport (LAX) hosts 5 major car rental companies, with daily rates averaging $49 for economy cars. Top options include:

    • Ace
    • Thrifty
    • Hertz
    • Alamo
    • Dollar

  • Which airports can I use when flying from St. Louis to Los Angeles?

    Flights from St. Louis to Los Angeles usually depart from Lambert-St Louis (STL) and arrive at Los Angeles (LAX).

  • Which airports do connecting flights from St. Louis to Los Angeles pass through?

    One-stop flights from St. Louis to Los Angeles most commonly connect through:

    • Denver Intl (DEN) - 48% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 15% of one-stop connections
    • Salt Lake City (SLC) - 14% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Los Angeles?

    Yes. Flexible dates can save you up to 13% on flights from St. Louis to Los Angeles. Saturday is the cheapest departure day at $409 round-trip on average, while Sunday is the most expensive at $470, a difference of $61.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from St. Louis to Los Angeles?

    2 airlines operate flights between St. Louis and Los Angeles. The airlines offering nonstop flights on this route include:

    • Southwest
    • American Airlines

  • How much time can I save by choosing a different layover airport from St. Louis to Los Angeles?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 5h 57m, compared with 6h via Dallas Love Field (DAL) and 6h 07m via Salt Lake City (SLC).

  • What is the time difference between St. Louis and Los Angeles?

    Los Angeles is 2 hours behind St. Louis (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Los Angeles?

    Some of the most popular sights in Los Angeles are Venice Beach, Los Angeles Convention Center and Crypto.com Arena. These are among the most viewed places in Los Angeles on KAYAK.

  • Which airlines offer extra legroom and free seat selection on St. Louis to Los Angeles flights?

    Among airlines operating St. Louis to Los Angeles flights:

    • Southwest: offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection
    • Alaska Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on St. Louis to Los Angeles flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Does Lambert International airport offer special assistance?

    The provision of wheelchair services at no additional cost is made available to customers flying with various airlines. A member of the professional staff will accompany and help the passenger during the whole airport procedure.

  • Can I get access to rental car services once I arrive at LAX Airport?

    Offices for car rentals are often situated outside the airport, away from the terminals. Passengers arriving at the airport can access these rental firms on the Lower/Arrivals Level islands outside of the baggage claim area and behind a sign that reads "Rental Car Shuttles." Alamo, Avis, and Budget are some of the companies that provide rental cars.

  • Are there hotels near the Lambert International Airport?

    Yes, there are hotels near Lambert International Airport. The hotels that are nearest to Lambert International Airport are the Renaissance St. Louis Airport Hotel and the Best Western Plus St. Louis Airport Hotel. They provide a cleaning service, breakfast in the morning, hot showers, and wireless internet access. Shuttle services are available to provide transportation to the airport.

  • What is the best mode of transport to the city center from LAX Airport?

    Taking a cab or a private shuttle in Los Angeles is one of the transport options that is both one of the fastest and most convenient ways to go from Los Angeles International Airport (LAX) to downtown. You can reach downtown from LAX Airport by taxi or private shuttle in about 30min, and these services are available 24h.

Your guide to booking St. Louis to Los Angeles flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $409, about $61 less than Sunday fares (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Los Angeles trip for February. Fares historically average $372 round-trip in that month - typically $128 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Orlando Airport (MCO) can be cheaper than flying direct. The cheapest layover option averages $219 round-trip on this route - about $235 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Los Angeles Airport.

    • Sonesta Los Angeles Airport LAX
    • Sheraton Gateway Los Angeles Hotel
    • Hyatt Regency Los Angeles International Airport
  • If you need to unwind while waiting for your flight to leave, St. Louis Airport (STL) lounges are available at a discounted rate regardless of the airline you are traveling with. It is the greatest option for connecting flights, flight cancellations, early morning check-ins, and breakfast. Many lounges have comfortable seating, complimentary refreshments, and an assortment of alcoholic beverages, spirits, and liquors. While lounges vary slightly from one another, the following are some of their most distinguishing characteristics: food (buffet or snacks), unlimited drinks, Wi-Fi, comfortable chairs, and showers.
  • Nursing mothers at St. Louis Lambert International Airport (STL) have access to a private room specifically designed for their needs. STL's Lactation Suites are now available and can be found at Gates A10, C9, and E33. These suites are located behind security checkpoints on all three concourses.
  • With the opening of new indoor Service Animal Relief Areas (SARA) in each of the airport's concourses, Lambert-St. Louis International Airport has made it simpler for pet owners to travel with service animals. Concourse C (around Gate C24) and Concourse A now have SARAs (near Gate A16).
  • If you need to change your currency after landing at LAX, you may visit the Banking and Foreign Money Exchange kiosks situated on the lower floor of Terminal 1, near the C Gates security checkpoint. The business is open from 8 am to 5 pm, Monday through Friday.
  • The Transportation Security Administration (TSA) advises travelers to arrive at Lambert International Airport at least 2h before their planned boarding time. Arriving early is another effective strategy for greatly lowering the traveling stress.

Prefer to fly direct from St. Louis to Los Angeles?

 
Find which airlines fly direct from Lambert-St Louis Airport to Los Angeles Airport, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Los Angeles

Monday

American Airlines,Southwest

American Airlines,Southwest

Tuesday

American Airlines,Southwest

American Airlines,Southwest

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Southwest

American Airlines,Southwest

Friday

American Airlines,Southwest

American Airlines,Southwest

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Southwest

American Airlines,Southwest

See more direct flights

Direct returns

Los Angeles to Lambert-St Louis

Monday

American Airlines,Southwest

American Airlines,Southwest

Tuesday

American Airlines,Southwest

American Airlines,Southwest

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Southwest

American Airlines,Southwest

Friday

American Airlines,Southwest

American Airlines,Southwest

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Southwest

American Airlines,Southwest

See more direct flights

More options for your flight from St. Louis to Los Angeles

Complete your trip to Los Angeles with a hotel stay or car rental