Cheap flights from St. Louis to Los Angeles from $53
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Los Angeles departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from St. Louis to Los Angeles
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Spirit Airlines flights from St. Louis to Los Angeles
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How to get the cheapest flight ticket from St. Louis to Los Angeles
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Los Angeles?
The month of September is, on average, the cheapest month to fly to Los Angeles from St. Louis, with most prices found around $325. If you aren’t able to travel during the month of September, then book flights to Los Angeles from St. Louis during August instead. Flights to Los Angeles in August, while not as cheap as those in September, still average around $351.
What is the cheapest day to depart on your flight to Los Angeles?
Our data shows that Wednesday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $479. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Monday is $636.
What is the cheapest time of day to depart on your flight to Los Angeles?
Our most recent data shows that the best time of day to fly to Los Angeles is at noon. Flights from St. Louis to Los Angeles during this time can be as low as $391. In the morning is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $542 per ticket.
What is the cheapest Lambert-St Louis to Los Angeles flight route?
Fly from Lambert-St Louis to Los Angeles for the best Lambert-St Louis - Los Angeles flight prices
How far in advance should I book a flight to Los Angeles?
You are more likely to see cheaper flights to Los Angeles from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from St. Louis for as low as $328 on momondo.
What cabin class options are available on Lambert-St Louis to Los Angeles flights?
There are 4 cabin classes available to choose from on Lambert-St Louis to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lambert-St Louis to Los Angeles?
Frontier and Spirit Airlines are the most popular carriers operating from Lambert-St Louis to Los Angeles
What airlines fly to Los Angeles?
American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Los Angeles from St. Louis according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 7 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Los Angeles on average per day?
4 flights are operational daily from St. Louis to Los Angeles as of July 2025. The most popular departure time for this route is 6:00AM, with 83% of flights per day taking off at noon.
How many flights depart from St. Louis to Los Angeles on average per week?
The number of flights available between St. Louis and Los Angeles is 32 per week as of July 2025. The most frequent departure day is Thu, with 34% of weekly flights leaving on this day.
When to book flights from St. Louis to Los Angeles
Cheap St. Louis to Los Angeles (STL to LAX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Los Angeles
How far is Lambert-St Louis to Los Angeles by plane?
The distance between Lambert-St Louis and Los Angeles is about 1588.8 mi. Typically, this will take 6h 32m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Los Angeles Airport?
Prices for flights from Lambert-St Louis Airport to Los Angeles Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Los Angeles Airport?
As of July 2025, there are 7 operators available to choose from for flights from Lambert-St Louis Airport to Los Angeles Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Los Angeles Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Los Angeles Airport.
What documentation or ID do you need to fly to Los Angeles Airport?
The necessary travel and health documents for your Los Angeles Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Los Angeles?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Los Angeles is Embraer 175, representing 24.81% of all bookings. The subsequent popular models are Airbus A319 at 21.54%, Boeing 737-700 Passenger/BBJ1 (winglets) at 20.53%, and Boeing 737 MAX 8 at 15.11%.
What is the most popular airline from St. Louis to Los Angeles?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Los Angeles is American Airlines (44% of total bookings). The next most popular airlines are Southwest (34%), Frontier (13%), and United Airlines (3%).
Best airlines flying from St. Louis to Los Angeles
Compare and see reviews for airlines that fly from St. Louis to Los Angeles with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $56 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $94 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $281 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 8.0 4,270 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 10,000 reviews |
Southwest Flights From St. Louis to Los Angeles
Southwest operates around 10 flights from St. Louis to Los Angeles every week. The average price of these flights found in the last 72 hours has been $422, but momondo users have found Southwest deals from St. Louis to Los Angeles from as low as $290 round-trip. Southwest has been scored 8.0/10 in 4,266 reviews.
Alaska Airlines Flights From St. Louis to Los Angeles
Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for St. Louis to Los Angeles start from as low as $296 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $550. Alaska Airlines operates 3 flights to Los Angeles from St. Louis in an average week. Users have rated it 8.0/10 across 10,000 reviews.
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Why should I use momondo to find a flight deal from St. Louis to Los Angeles?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Los Angeles. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Los Angeles with flexible booking policies on momondo?
Flights from St. Louis to Los Angeles with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Los Angeles?
Once all potential St. Louis to Los Angeles flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from St. Louis to Los Angeles right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Los Angeles, momondo offers a useful price alert feature which will track prices for flights to Los Angeles from St. Louis and alert you when they change.