Cheap Flights to St. Louis £64-

Cheap round-trip flights to St. Louis

Prices were available within the past 7 days and starts at £64 for one-way flights and £123 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
American Airlines
American Airlines
American Airlines
American Airlines
United
United
United
TAP Portugal
Brussels Airlines

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Find Your Flights to St. Louis STL

Cheap flights to St. Louis (STL)

Get started finding a cheap flight to St. Louis on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport and whether you want a return or one-way airfare. You can filter for flexibility, number of stops, airline and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to St. Louis.

Return prices range from £123 - £661 and one-ways St. Louis start as low as £64.

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

 

Airlines that fly to St. Louis (STL)

You have several options for which airline you choose to travel with to St. Louis. There are 10 airlines flying into STL: United, American Airlines, TAP Portugal, Brussels Airlines. 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check in a bag or bring hand baggage, it's worth checking whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked in/hand baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform.

 

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to St. Louis (STL) varies throughout the year based on seasonal demand. You’ll see the lowest rates for return trips to STL in October and in November for one-ways.

 

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Frequently asked questions

Trending flights to St. Louis

Prices were available within the past 7 days and starts at £64 for one-way flights and £123 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Brussels Airlines