Cheap flights from Los Angeles to St. Louis from $86
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to St. Louis departing on 9/28. 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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How to get the cheapest flight ticket from Los Angeles to St. Louis
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 St. Louis?
In general, August is the cheapest month to fly from Los Angeles to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. The month of September is another great option to travel to St. Louis, with average flight prices from Los Angeles averaging around $346.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $385. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $437. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Los Angeles in the morning is the least expensive time of day to depart. momondo users have found prices as low as $417 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $425 per ticket.
What is the cheapest Los Angeles to Lambert-St Louis flight route?
Fly from Los Angeles to Lambert-St Louis for the best Los Angeles - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Los Angeles when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $400 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Los Angeles for as low as $300 on momondo.
What cabin class options are available on Los Angeles to Lambert-St Louis flights?
There are 4 cabin classes available to choose from on Los Angeles to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Los Angeles to St. Louis flights?
You could potentially save up to 35% on your flight if you consider stops on a Los Angeles to St. Louis flight.
How have Los Angeles to St. Louis flight prices changed over time?
As of June 2025, prices for Los Angeles to St. Louis flights are approximately 24% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Los Angeles to Lambert-St Louis?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Los Angeles to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Southwest and Frontier are the top three most popular airlines that fly to St. Louis from Los Angeles according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 7 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Los Angeles to St. Louis on average per day?
As of June 2025, there are 10 flights per day flying from Los Angeles to St. Louis. The most common time of day flights depart is 5:00PM, with 83% of flights taking off in the afternoon.
How many flights depart from Los Angeles to St. Louis on average per week?
As of June 2025, 71 flights take off from Los Angeles and land in St. Louis each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Los Angeles to St. Louis
Cheap Los Angeles to St. Louis (LAX to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Los Angeles to St. Louis
How far is Los Angeles to Lambert-St Louis by plane?
The straight-line distance from Los Angeles to Lambert-St Louis is 1588.8 mi. Typically, this will take 3h 32m by plane in normal conditions.
When did momondo last update prices for flights from Los Angeles Airport to Lambert-St Louis Airport?
Prices for flights from Los Angeles Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Los Angeles Airport to Lambert-St Louis Airport?
There are 7 operators available for flights from Los Angeles Airport to Lambert-St Louis Airport as of June 2025.
How old do you have to be to fly from Los Angeles Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Los Angeles to St. Louis?
Based on momondo bookings for flights between Los Angeles and St. Louis, the leading plane model is Airbus A319, making up 29.36% of the total bookings. Other popular models include Boeing 737-700 Passenger/BBJ1 (winglets) with 22.82%, Embraer 175 with 15.77%, and Boeing 737 MAX 8 with 6.85%.
What is the most popular airline from Los Angeles to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Los Angeles to St. Louis is American Airlines (40% of total bookings). The next most popular airlines are Southwest (33%), Frontier (15%), and United Airlines (4%).
Best airlines flying from Los Angeles to St. Louis
Compare and see reviews for airlines that fly from Los Angeles to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $22 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $127 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $234 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $301 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $327 | Free Cancellation | Rating 8.0 10,000 reviews |
Southwest Flights From Los Angeles to St. Louis
The lowest priced Southwest flight from Los Angeles to St. Louis from the last 72 hours was $301. Generally, Southwest has 15 flights on this route every week with an average price of $422. Southwest is rated 8.0/10 by our users.
Alaska Airlines Flights From Los Angeles to St. Louis
Across 10,000 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Los Angeles to St. Louis about 7 times each week, with ticket deals ranging from $327 to $691. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Los Angeles to St. Louis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Los Angeles.
Can I find flights from Los Angeles to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from Los Angeles which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Los Angeles to St. Louis?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Los Angeles.
I’m not ready to book a flight from Los Angeles to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Los Angeles to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.