STL - LAX

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Everything you should know

Cheapest round-trip
$139
Typical prices: $339-$510
Frontier
Mon 10/1Wed 10/3
STL - LAX • 1 stop
Cheapest non-stop
$355
Typical prices: $371-$546
Southwest
Mon 12/3Fri 12/7
STL - LAX • Non-stop
Nonstop flights
You can fly direct with Southwest and American Airlines. Average duration is 4h 11m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $219 (round-trip)
Shortest trip • 5h 40m (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

Thu, Oct 1 - Sat, Oct 3
Frontier Logo
10:20 am - 3:23 pmSTL  Lambert-St Louis-LAX Los Angeles
7h 03m1 stop Dallas/Fort Worth
Frontier Logo
12:59 am - 9:35 amLAX  Los Angeles-STL Lambert-St Louis
6h 36m1 stop Dallas/Fort Worth
$139Frontier
Thu, Oct 1 - Fri, Oct 2
Frontier Logo
10:20 am - 3:23 pmSTL  Lambert-St Louis-LAX Los Angeles
7h 03m1 stop Dallas/Fort Worth
Frontier Logo
11:36 am - 7:17 pmLAX  Los Angeles-STL Lambert-St Louis
5h 41m1 stop Denver Intl
$144Frontier
Tue, Oct 13 - Thu, Oct 15
Multiple Airlines Logo
7:02 am - 2:34 pmSTL  Lambert-St Louis-LAX Los Angeles
9h 32m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
2:28 pm - 7:15 pmLAX  Los Angeles-STL Lambert-St Louis
26h 47m1 stop Denver Intl
$340Multiple Airlines
Wed, Nov 4 - Fri, Nov 13
Southwest Logo
4:15 pm - 9:45 pmSTL  Lambert-St Louis-LAX Los Angeles
7h 30m1 stop Dallas Love Field
Southwest Logo
7:00 pm - 12:30 amLAX  Los Angeles-STL Lambert-St Louis
3h 30mnonstop
$349Southwest
Fri, Jan 15 - Sat, Jan 23
Southwest Logo
5:30 am - 9:40 amSTL  Lambert-St Louis-LAX Los Angeles
6h 10m1 stop Las Vegas Harry Reid Intl
Southwest Logo
7:45 am - 1:15 pmLAX  Los Angeles-STL Lambert-St Louis
3h 30mnonstop
$349Southwest
Sat, Oct 10 - Mon, Oct 12
Multiple Airlines Logo
7:42 pm - 12:29 amSTL  Lambert-St Louis-LAX Los Angeles
6h 47m1 stop Denver Intl
Multiple Airlines Logo
11:34 am - 11:59 pmLAX  Los Angeles-STL Lambert-St Louis
10h 25m1 stop Seattle/Tacoma Intl
$351Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Delta Logo
3:32 pm - 12:03 amSTL  Lambert-St Louis-LAX Los Angeles
10h 31m2 stops Minneapolis St Paul Seattle/Tacoma Intl
Delta Logo
9:40 am - 9:28 pmLAX  Los Angeles-STL Lambert-St Louis
9h 48m2 stops Seattle/Tacoma Intl Salt Lake City
$353Delta
Sat, Oct 17 - Sat, Oct 24
Delta Logo
7:45 am - 5:10 pmSTL  Lambert-St Louis-LAX Los Angeles
11h 25m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
9:45 am - 9:09 pmLAX  Los Angeles-STL Lambert-St Louis
9h 24m2 stops Seattle/Tacoma Intl Salt Lake City
$353Delta
Tue, Oct 13 - Tue, Oct 20
American Airlines Logo
6:04 am - 8:24 amSTL  Lambert-St Louis-LAX Los Angeles
4h 20mnonstop
American Airlines Logo
10:52 pm - 10:50 amLAX  Los Angeles-STL Lambert-St Louis
9h 58m1 stop Chicago O'Hare Intl
$370American Airlines
Sat, Oct 24 - Thu, Oct 29
American Airlines Logo
6:04 am - 8:24 amSTL  Lambert-St Louis-LAX Los Angeles
4h 20mnonstop
American Airlines Logo
12:15 pm - 12:19 amLAX  Los Angeles-STL Lambert-St Louis
10h 04m1 stop Chicago O'Hare Intl
$370American 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 from St. Louis to Los Angeles 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 start at $139. Prices are below average for this route right now, with typical round-trip fares ranging from $339 to $510. The lowest price found in the past 5 days was $139 on Frontier.

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

Saturday is the cheapest day of the week to fly from St. Louis to Los Angeles, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 14% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from St. Louis to Los Angeles at $362 round-trip.
  • June ($497) and July ($462) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 37% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from St. Louis to Los Angeles are cheapest 9 weeks before departure. Booking in this window typically costs about 34% 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

$76
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 4% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • 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.

  • What airlines are available 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

  • 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 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
    • Alaska Airlines: a cabin bag and a checked bag in Business Class

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

  • 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 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 $440 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.

  • 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) - 50% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 14% of one-stop connections
    • Salt Lake City (SLC) - 14% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    On the St. Louis to Los Angeles route, being flexible with your departure day can save you up to 19%. Saturday is the cheapest day at $383 round-trip on average, while Sunday is the most expensive at $468: a $85 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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 67% of flights leaving in that window. Night departures account for 33%, afternoon flights for 0%, and evening flights for 0%.

  • 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.

  • 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 9:16 am
    • Latest: departs at 10:50 pm and lands at 3:01 am.

    The flight takes about 4h 11m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of $410. Book 9 weeks before departure for the lowest fares.

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

    A nonstop flight from St. Louis to Los Angeles takes 4h 11m, 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 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 $166, which is 30% below the typical average for this route.

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

    Flying via Kansas City (MCI) gives the shortest average 1-stop total travel time at 5h 40m, compared with 5h 58m via Phoenix Sky Harbor Intl (PHX) and 6h 00m via Dallas Love Field (DAL).

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

    Los Angeles Airport (LAX) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Ace
    • Thrifty
    • Dollar
    • Hertz
    • Alamo

  • 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 $339 to $510, with an average of $410 over the past 12 months. Anything below $339 counts as a good deal.

  • 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
    • • Alaska Airlines
    • • JetBlue

    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.

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 can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $383 - about $85 less than Sunday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 34% 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 January. Fares historically average $362 round-trip in that month - typically $135 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 $221 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.
    - Hyatt Regency Los Angeles International Airport
    - Sonesta Los Angeles Airport LAX
    - Sheraton Gateway Los Angeles Hotel
  • 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