Find cheap flights from St. Louis to London starting at $262.
Book one-way or return flights from St. Louis to London from as little as $262. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- STL12:0315h 57m1 stopLGW10:00Sat, Jun 22|St. Louis - London|Frontier Airlines$262$45442% OFF42% OFF$454$262
- STL19:1632h 44m1 stopLGW10:00Fri, May 3|St. Louis - London|Frontier Airlines$275$45439% OFF39% OFF$454$275
- STL19:4432h 16m1 stopLGW10:00Tue, Jun 18|St. Louis - London|Frontier Airlines$276$45439% OFF39% OFF$454$276
- STL08:0716h 13m1 stopLGW06:20Tue, May 7|St. Louis - London|American Airlines$283$283
- STL21:2030h 40m1 stopLGW10:00Wed, Jul 10|St. Louis - London|Frontier Airlines$294$294
- STL19:4432h 16m1 stopLGW10:00Tue, Jun 25|St. Louis - London|Frontier Airlines$294$294
- STL19:4432h 16m1 stopLGW10:00Thu, Jun 13|St. Louis - London|Frontier Airlines$295$295
- STL17:3513h 55m1 stopLGW13:30Wed, May 8|St. Louis - London|Southwest Airlines$300$300
- STL19:1632h 44m1 stopLGW10:00Thu, May 2|St. Louis - London|Frontier Airlines$306$306
- STL21:1130h 49m1 stopLGW10:00Mon, May 6|St. Louis - London|Frontier Airlines$309$309
- STL13:003h 5mDirectLON14:00Sun, May 5|St. Louis - London|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to London.
- CheapestSTL12:0315h 57m1 transferLGW10:00St. Louis Lambert International Airport - London Gatwick AirportSat, Jun 22Frontier Airlines$262
- STL20:0429h 26m2 transferLHR07:30St. Louis Lambert International Airport - London Heathrow AirportWed, May 1Frontier Airlines$268
- STL06:1022h 30m2 transferSTN10:40St. Louis Lambert International Airport - London Stansted AirportTue, Jul 16American Airlines$318
- STL06:1022h 30m2 transferSTN10:40St. Louis Lambert International Airport - London Stansted AirportTue, Jul 16American Airlines$318Find More Flights
Frequently Asked Questions
How to find a cheap flight from St. Louis to London
Cheapest nonstop flight price | $262 |
---|---|
Off-season for travel | March |
Peak season for travel | June |
Flight distance | 6,757.51km |
Popular airline | Finnair |
Plan Your Trip Around London
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