Flight prices from Saint Louis to London

There’s no fixed price — fares between Saint Louis and London can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which airports are most convenient between Saint Louis and London?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Saint Louis: Only Saint Louis - Lambert is currently active.
• Airports in London: London is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Plan your perfect flight from Saint Louis to London

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to Canada? Other frequent searches include: Calgary, Montreal, Quebec, Toronto, Vancouver.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.