Title: Cheap Flights from London (LGW) to St. Louis (STL) - Expedia.ca ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from London (LGW) to St. Louis (STL) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Gatwick Airport (LGW) to Lambert-St. Louis International Airport (STL) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.ca/Flights-Search?leg1=from:lgw,to:stl,departure:18/11/2025TANYT&leg2=from:stl,to:lgw,departure:25/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:lgw,to:stl,departure:18/11/2025TANYT&leg2=from:stl,to:lgw,departure:25/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lgw,to:stl,departure:18/11/2025TANYT&leg2=from:stl,to:lgw,departure:25/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from London to St. Louis (LGW - STL) route information | Origin airport | Gatwick | | --- | --- | | Destination airport | Lambert-St. Louis Intl. | | Distance | 6736 km | ## Gatwick to St. Louis Flights **The easy way to book your flights from London to St. Louis**  With Expedia, it’s simple to find and book flights to St. Louis from London whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from London to St. Louis today, tomorrow, or this week.   **Save dollars with cheap flights from Gatwick, LGW to Lambert-St. Louis Intl., STL**  Sort your search results by price to find great deals on your flight from London to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from London currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to St. Louis   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to St. Louis from London**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today. ## Frequently asked questions ### How much is a flight from London Gatwick to Lambert-St. Louis Intl. Airport (STL)? > Start packing your bags, because round-trip journeys between London Gatwick and Lambert-St. Louis Intl. Airport (STL) start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from London Gatwick to STL? > Most flights can be cancelled online, but whether you are charged a fee depends on your airline. If you do have to cancel your trip, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Gatwick Airport (LGW) to Lambert Field that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from LGW to Lambert Field. This allows you to secure a good price ahead of time and still have the freedom to make changes without any additional fees. You'll just need to pay the fare difference, if applicable. ### How far is the flight from London Gatwick to Lambert Field? > With a flight distance of 6,800 kilometres from Gatwick Airport (LGW) to STL, this is a long trip. Ensure that you drink lots of water and move your legs from time to time. ### Which airlines fly direct from London Gatwick to Lambert-St. Louis Intl. Airport (STL)? > Flying nonstop between London Gatwick and STL isn't possible right now. However, you'll still be able to find a flight to St. Louis with at least one stop. ### Are Gatwick Airport (LGW) to STL flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally score a bargain, with some of the cheapest fares from Gatwick Airport (LGW) to Lambert Field showing up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. 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