Skip to main content
Beginning of main content

STL (St. Louis) to LHR (London) Flights $866.43

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap STL to LHR Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

London

$1163.86

$1255.26

$1704.06

$831.73

Southend-on-Sea

$1374.16

Interesting Facts About Flights from St. Louis to London (STL to LHR)

Question : Is the price you found a good deal?
Answer : Ranging anywhere from $706 to $7,312, prices for STL to LHR do fluctuate much more than the majority of routes from the United States. However, the sooner you book, the better price you tend to get.

Question : Is price more important than specific travel days for you?
Answer : Tuesday is your cheapest day to fly in August. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : What is the cheapest round-trip ticket you can get to London?
Answer : United Airlines is the leader in keeping costs down for their passengers over the next three months. Fares are being booked at just $706 and, when compared to the high-end bookings of $7,312, it's quite a deal.

Question : In the next four weeks, what day should you book your trip?
Answer : Since low prices are preferred, look at Aug 12th. As of Jul 17th, it's showing the cheapest ticket sales at $740. That is 44% below the average price for this route, so you can spend that extra cash on a fun experience in London.

Question : Do travelers from Saint Louis typically stay in London for very long?
Answer : Over the next two months, passengers from STL to LHR are planning on staying for 11 days on average.