
Popular airlines to Lambert-St. Louis International Airport (STL)
- KLM
KLM
- Delta
Delta
- Virgin Atlantic
Virgin Atlantic
- Aer Lingus
Aer Lingus
- Air France
Air France
- British Airways
British Airways
- American Airlines
American Airlines
- Plan, book, fly with confidence
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Cheap round-trip flights to Lambert-St. Louis Intl.
Prices were available within the past 7 days and start at £688 for one-way flights and £623 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.





Find Your Flights to Lambert-St. Louis Intl. STL
Cheap flights to Lambert-St. Louis Intl. (STL)
Get started finding a cheap flight to Lambert-St. Louis Intl. 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 Lambert-St. Louis Intl..
Return prices range from £623 - £897 and one-ways Lambert-St. Louis Intl. start as low as £688.
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 Lambert-St. Louis Intl. (STL)
You have several options for which airline you choose to travel with to Lambert-St. Louis Intl.. There are 10 airlines flying into STL: Scandinavian Airlines, British Airways, Lufthansa, Austrian Airlines, Swiss International Air Lines, TAP Portugal, Aer Lingus, Iberia, KLM, Air France.
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 Lambert-St. Louis Intl. (STL) varies throughout the year based on seasonal demand. You’ll see the lowest rates for return trips to STL in September and in May 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.
Destination airport | Lambert-St. Louis Intl. |
Destination airport IATA code | STL |
Destination city name | St. Louis |
Airlines serving | Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Copa, Delta, Finnair, Iberia, Japan Airlines, KLM, Lufthansa, Scandinavian Airlines, Southern Airways Express, Turkish Airlines, United, Virgin Atlantic |
Return price | £116 |
Popular airline | KLM |
More to explore for Lambert-St. Louis Intl.
Trending flights to Lambert-St. Louis Intl.
Prices were available within the past 7 days and start at £688 for one-way flights and £623 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

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From Other Airports to Lambert-St. Louis Intl.
- Norwich to St. Louis (NWI - STL)
- Bristol to St. Louis (BRS - STL)
- London to St. Louis (LCY - STL)
- Durham to St. Louis (MME - STL)
- Liverpool to St. Louis (LPL - STL)
- Leeds to St. Louis (LBA - STL)
- Edinburgh to St. Louis (EDI - STL)
- Inverness to St. Louis (INV - STL)
- Birmingham to St. Louis (BHX - STL)
- Newcastle to St. Louis (NCL - STL)