Find out what a flight from Saint Louis to London Heathrow might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and London.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Flying between Saint Louis and London? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Saint Louis: Saint Louis has only one airport in service, Saint Louis - Lambert.
• Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Saint Louis airports in a single search.

Smart ways to search flights from Saint Louis to London Heathrow

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like American, Delta, United, and more.

Other popular destinations

Flying to United Kingdom? Other travelers also searched: Edinburgh, Glasgow, London, Manchester, Newquay.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.