$218 Find Cheap Flights from St. Louis to the United Kingdom - Compare and Save

The cheapest ticket to the United Kingdom from St. Louis found in the last 5 days was to London, at $756 round-trip. The most popular route is from St. Louis (STL) to London Heathrow Airport (LHR), and the cheapest round-trip airline ticket found on this route in the last 5 days was $756.

The cheapest time of day to fly to the United Kingdom is generally at night, when round-trip flights cost $1,056 on average. The most expensive time of day to fly to the United Kingdom is generally at night, which is peak travel time and where the average cost of a ticket is $1,056.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $1,089 on average.

The cheapest month for flights from St. Louis to the United Kingdom is October, when tickets cost $674 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,367 and $1,268 respectively.

If you are looking for a flight deal from St. Louis to United Kingdom, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from United Kingdom, Tuesday is the cheapest day to fly and Friday is the most expensive.

To get a below average price on the flight from St. Louis to the United Kingdom, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

There are 3 airlines that fly nonstop from St. Louis to the United Kingdom. They are: American Airlines, Iberia and British Airways. The cheapest price of all airlines flying this route was found with Iberia at $529 for a round-trip flight to London Heathrow Airport (LHR). On average, Iberia offers the best prices for nonstop flights between St. Louis and United Kingdom.

American Airlines connects St. Louis to the United Kingdom with 4 flights per week and both Finnair and British Airways also offer 4 flights per week.

The duration of a flight to the United Kingdom depends on your arrival airport. The shortest routes to the United Kingdom from St. Louis are to Edinburgh, which takes 10h 40m, Birmingham, which takes 12h 20m, and Manchester, which takes 12h 25m.

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from St. Louis to the United Kingdom departs at 9:35 pm, landing in London at 11:35 am.

If you prefer to fly at night, the latest flight from St. Louis to the United Kingdom jets off at 9:40 pm and lands in London at 11:40 am.