$531 Find Cheap Flights from the United Kingdom to St. Louis - Compare and Save

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Cheap Flights from the United Kingdom to St. Louis

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from the United Kingdom to St. Louis

Fri, Apr 9 - Sat, Apr 17
Scandinavian Airlines Logo
6:40 am - 11:39 pmLHR  London Heathrow-STL Lambert-St Louis
22h 59m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
1:30 pm - 5:40 pmSTL  Lambert-St Louis-LHR London Heathrow
22h 10m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$760Scandinavian Airlines
Wed, Jan 20 - Wed, Mar 24
Scandinavian Airlines Logo
6:40 am - 9:45 pmLHR  London Heathrow-STL Lambert-St Louis
21h 05m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
11:51 am - 9:40 pmSTL  Lambert-St Louis-LHR London Heathrow
28h 49m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$784Scandinavian Airlines
Wed, Jan 20 - Wed, Jan 27
Scandinavian Airlines Logo
5:00 pm - 11:26 pmLHR  London Heathrow-STL Lambert-St Louis
36h 26m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
12:00 pm - 4:00 pmSTL  Lambert-St Louis-LHR London Heathrow
22h 00m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$793Scandinavian Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
1:30 pm - 10:59 pmLHR  London Heathrow-STL Lambert-St Louis
15h 29m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
8:30 am - 8:25 amSTL  Lambert-St Louis-LHR London Heathrow
17h 55m2 stops Washington, D.C. Dulles Intl Newark
$901United Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
7:30 am - 7:30 pmLHR  London Heathrow-STL Lambert-St Louis
18h 00m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
United Airlines Logo
1:18 pm - 5:55 amSTL  Lambert-St Louis-LHR London Heathrow
10h 37m1 stop Chicago O'Hare Intl
$901United Airlines
Tue, Mar 16 - Wed, Mar 24
United Airlines Logo
9:00 am - 9:13 pmLHR  London Heathrow-STL Lambert-St Louis
17h 13m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
5:20 pm - 9:10 amSTL  Lambert-St Louis-LHR London Heathrow
10h 50m1 stop Newark
$908United Airlines
Tue, Apr 20 - Tue, Apr 27
British Airways Logo
4:25 pm - 7:30 pmLHR  London Heathrow-STL Lambert-St Louis
9h 05mnonstop
British Airways Logo
4:30 pm - 9:35 amSTL  Lambert-St Louis-LHR London Heathrow
11h 05m1 stop Chicago O'Hare Intl
$922British Airways
Mon, Dec 7 - Mon, Dec 21
British Airways Logo
3:40 pm - 10:17 pmLHR  London Heathrow-STL Lambert-St Louis
12h 37m1 stop Chicago O'Hare Intl
British Airways Logo
10:20 am - 6:50 amSTL  Lambert-St Louis-LHR London Heathrow
14h 30m1 stop Dallas/Fort Worth
$943British Airways
Mon, Dec 7 - Mon, Dec 14
American Airlines Logo
11:05 am - 12:25 pmEDI  Edinburgh Turnhouse-STL Lambert-St Louis
31h 20m1 stop Philadelphia
American Airlines Logo
1:17 pm - 10:10 amSTL  Lambert-St Louis-EDI Edinburgh Turnhouse
14h 53m2 stops Philadelphia London Heathrow
$1,003American Airlines
Thu, Apr 22 - Mon, Apr 26
American Airlines Logo
4:30 pm - 7:30 pmLHR  London Heathrow-STL Lambert-St Louis
9h 00mnonstop
American Airlines Logo
9:00 pm - 11:10 amSTL  Lambert-St Louis-LHR London Heathrow
8h 10mnonstop
$1,023American Airlines
Booking Insights

KAYAK's insights & trends for flights to St. Louis

Get data-powered insights and trends for flights to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to St. Louis?

Based on KAYAK data, the cheapest day to fly to St. Louis is Tuesday where round-trip tickets can be as cheap as $1,065. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $1,529 on average.

What is the cheapest month to fly to St. Louis?

The cheapest month for flights to St. Louis is February, where tickets cost $755 on average for return flights. On the other hand, the most expensive months are August and July, where the average cost of tickets from the United Kingdom is $1,355 and $1,247 respectively. For one-way flights, the best month to travel is September with an average price of $651.

What is the cheapest time of day to fly to St. Louis?

The cheapest time of day to fly to St. Louis is generally in the evening, when round-trip flights cost $1,100 on average. The most expensive time of day to fly to St. Louis is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,100.

How far in advance should I book a flight to St. Louis?

To get a below average price, you should book around 4 weeks before departure, which saves you about 41% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Expert advice

Expert advice for your flight to St. Louis

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Laura Ratliff

Laura Ratliff

Expert on Virgin Atlantic

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Good to know

Low season

January

Cheapest flight

$531
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from London Heathrow Airport to St. Louis

FAQs - booking St. Louis flights

  • How far is Lambert-St Louis Airport from central St. Louis?

    Lambert-St Louis Airport is 13 miles from the center of St. Louis.

  • What is the name of St. Louis’s airport?

    St. Louis is served by Lambert-St Louis Airport, also commonly referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl. The airport code is STL.

  • How much is a flight to St. Louis?

    On average, a flight to St. Louis costs $996. The cheapest price found on KAYAK in the last 2 weeks cost $694 and departed from London Heathrow Airport.

  • How does KAYAK find such low prices on flights to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to St. Louis are there each week?

    Each week there are around 2,589 direct flights from within United Kingdom to St. Louis. The most common day for departures is Sunday, with 18% of flights taking off on this day.

Top tips for finding cheap flights to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $733 or less one-way.

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Louis flight deals.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Fenton
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Shrewsbury
Grafton
Glencoe

More options for your flight to St. Louis