Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to London from £212

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London departing on 18/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from St. Louis to London

Cheap return flights

These are some of the best return flight deals from St. Louis to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to London.

Cheap last-minute flights

Planning a quick getaway from St. Louis to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from St. Louis to London

Find recent round-trip train or bus tickets from St. Louis to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
18:46 - 10:35STL-LGW
33h 49m2 stops
14:00 - 23:28LGW-STL
15h 28m1 stop
Mon, 13 Jan - Mon, 27 Jan
20:31 - 10:00STL-LGW
31h 29m2 stops
14:00 - 23:28LGW-STL
15h 28m1 stop
Fri, 31 Jan - Sat, 8 Feb
13:00 - 16:00STL-LHR
21h 00m2 stops
19:30 - 23:38LHR-STL
34h 08m2 stops
£554Scandinavian Airlines
Find Deal
Sat, 18 Jan - Tue, 21 Jan
13:00 - 16:00STL-LHR
21h 00m2 stops
06:40 - 23:38LHR-STL
22h 58m2 stops
£555Scandinavian Airlines
Find Deal
Fri, 7 Feb - Mon, 10 Feb
16:30 - 10:50STL-LHR
12h 20m1 stop
06:30 - 13:55LHR-STL
13h 25m1 stop
£601United Airlines
Find Deal
Sun, 23 Feb - Fri, 7 Mar
06:30 - 11:15STL-LHR
22h 45m1 stop
14:30 - 15:06LHR-STL
30h 36m1 stop
£608United Airlines
Find Deal
Tue, 28 Jan - Tue, 4 Feb
14:30 - 06:50STL-LHR
10h 20m1 stop
11:55 - 17:58LHR-STL
12h 03m1 stop
£648British Airways
Find Deal
Tue, 10 Dec - Fri, 27 Dec
12:01 - 06:20STL-LHR
12h 19m1 stop
19:40 - 21:40LHR-STL
31h 00m2 stops
£674British Airways
Find Deal
Thu, 6 Mar - Wed, 12 Mar
12:55 - 07:55STL-LHR
13h 00m1 stop
09:10 - 17:30LHR-STL
14h 20m1 stop
£688Virgin Atlantic
Find Deal
Tue, 24 Dec - Sun, 29 Dec
15:50 - 11:30STL-LHR
13h 40m2 stops
12:35 - 20:33LHR-STL
13h 58m2 stops
£703Virgin Atlantic
Find Deal
Thu, 3 Apr - Sat, 26 Apr
12:15 - 08:15STL-LHR
14h 00m2 stops
Sat, 18 Jan
12:15 - 10:50STL-LHR
16h 35m3 stops
Wed, 12 Feb
16:00 - 16:00STL-LHR
19h 00m2 stops
£281Scandinavian Airlines
Find Deal
Mon, 24 Mar
13:09 - 16:00STL-LHR
20h 51m2 stops
£281Scandinavian Airlines
Find Deal
Wed, 13 Nov
10:59 - 06:20STL-LHR
13h 21m1 stop
£340Virgin Atlantic
Find Deal
Wed, 12 Feb
14:10 - 18:50STL-LGW
23h 40m2 stops
£358British Airways
Find Deal
Mon, 24 Mar
18:23 - 08:15STL-LHR
32h 52m1 stop
£360British Airways
Find Deal
Sat, 22 Mar
06:25 - 06:40STL-LHR
18h 15m2 stops
£369United Airlines
Find Deal
Sun, 5 Jan
15:32 - 12:50STL-LCY
16h 18m2 stops
£382United Airlines
Find Deal
Tue, 18 Mar
12:00 - 08:10STL-LCY
14h 10m2 stops
£385Virgin Atlantic
Find Deal
Wed, 12 Feb
17:29 - 10:35STL-LGW
35h 06m2 stops
14:00 - 22:46LGW-STL
14h 46m1 stop
Sat, 9 Nov - Sat, 7 Dec
17:29 - 10:00STL-LGW
34h 31m2 stops
14:00 - 22:46LGW-STL
14h 46m1 stop
Sun, 10 Nov - Sat, 7 Dec
17:29 - 10:35STL-LGW
35h 06m2 stops
14:00 - 08:26LGW-STL
24h 26m1 stop
Sat, 9 Nov - Sat, 16 Nov
12:58 - 17:40STL-LHR
22h 42m2 stops
06:40 - 20:32LHR-STL
19h 52m2 stops
£713Scandinavian Airlines
Find Deal
Sat, 9 Nov - Sat, 16 Nov
12:58 - 16:00STL-LHR
21h 02m2 stops
06:40 - 21:04LHR-STL
20h 24m2 stops
£753Scandinavian Airlines
Find Deal
Sat, 9 Nov - Fri, 6 Dec
17:40 - 09:55STL-LHR
34h 15m2 stops
22:35 - 15:34LHR-STL
22h 59m2 stops
£957Turkish Airlines
Find Deal
Sat, 9 Nov - Sun, 8 Dec
08:05 - 14:55STL-LHR
24h 50m2 stops
06:35 - 15:39LHR-STL
39h 04m2 stops
£1,030Turkish Airlines
Find Deal
Sat, 9 Nov - Mon, 11 Nov
13:05 - 07:55STL-LHR
12h 50m1 stop
13:30 - 13:55LHR-STL
30h 25m1 stop
£1,323United Airlines
Find Deal
Fri, 8 Nov - Sat, 16 Nov
17:31 - 12:05STL-LHR
12h 34m1 stop
12:45 - 20:59LHR-STL
38h 14m2 stops
£1,363British Airways
Find Deal
Sun, 10 Nov - Sun, 1 Dec
15:53 - 08:15STL-LHR
10h 22m1 stop
08:20 - 16:37LHR-STL
14h 17m1 stop
£1,373British Airways
Find Deal
Sun, 10 Nov - Sat, 30 Nov

Lufthansa flights from St. Louis to London

Our best Lufthansa deals on St. Louis to London flight tickets
Lufthansa
29 Dec
STL08:25Lambert-St Louis
16h 15m
1 stop
LHR06:40London Heathrow
14 Jan
LHR16:00London Heathrow
13h 30m
1 stop
STL23:30Lambert-St Louis
Lufthansa
6 Apr
STL17:18Lambert-St Louis
20h 22m
2 stops
LHR19:40London Heathrow
12 Apr
LHR17:50London Heathrow
27h 31m
2 stops
STL15:21Lambert-St Louis
Lufthansa
6 Mar
STL13:03Lambert-St Louis
22h 37m
2 stops
LCY17:40London City
12 Mar
LCY17:15London City
52h 51m
2 stops
STL17:06Lambert-St Louis

Air Canada flights from St. Louis to London

Our best Air Canada deals on St. Louis to London flight tickets
Air Canada
13 Jan
STL15:50Lambert-St Louis
10h 40m
1 stop
LHR08:30London Heathrow
27 Jan
LHR13:45London Heathrow
55h 21m
2 stops
STL15:06Lambert-St Louis
Air Canada
2 Dec
STL15:50Lambert-St Louis
10h 40m
1 stop
LHR08:30London Heathrow
9 Dec
LHR12:05London Heathrow
57h 01m
2 stops
STL15:06Lambert-St Louis
Air Canada
3 Dec
STL15:50Lambert-St Louis
10h 40m
1 stop
LHR08:30London Heathrow
13 Dec
LHR18:00London Heathrow
27h 06m
1 stop
STL15:06Lambert-St Louis

How to get the cheapest flight ticket from St. Louis to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and London?

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

February. The cheapest time of year to fly to London from St. Louis is February. The most expensive is June.

What is the cheapest day to depart St. Louis for London?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Friday.

When is the cheapest time to fly from St. Louis to London?

In the afternoon. St. Louis to London flights are approximately 12% more expensive at midday than in the afternoon

What is the cheapest airline that flies to London from St. Louis?

Virgin Atlantic. Virgin Atlantic, United Airlines, and British Airways are the most popular carriers operating from St. Louis to London

What is the cheapest St. Louis to London flight route?

Lambert-St Louis - London Gatwick. Fly from Lambert-St Louis to London Gatwick for the best St. Louis - London flight prices

How far in advance should you book St. Louis to London flights?

2 days before. The cheapest time to buy a flight from St. Louis to London is approximately 2 days to departure

Can stopping save me money on St. Louis to London flights?

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to London flight.

How have St. Louis to London flight prices changed over time?

As of November 2024, prices for St. Louis to London flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to London

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap St. Louis to London (STL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to London

Best price found

£212

Fastest flight time

10h 20m

Direct flights

None

Airports in London

6 airports
The best one-way flight to London from St. Louis in the past 72 hours is £212. The best return flight deal from St. Louis to London found on momondo in the last 72 hours is £494.
The fastest flight from St. Louis to London takes 10h 20m
There are no direct flights from St. Louis to London. Popular non-direct routes for this connection are Lambert-St Louis Airport - London City Airport, Lambert-St Louis Airport - London Gatwick Airport and Lambert-St Louis Airport - London Heathrow Airport.
There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

  • How far is Lambert-St Louis to London by plane?

    London is 4197.7 mi away from Lambert-St Louis. A reasonable flight in good conditions will take 10h 20m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to London?

    Prices for flights from Lambert-St Louis Airport to London were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to London?

  • How old do you have to be to fly from Lambert-St Louis Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to London?


Best airlines flying from St. Louis to London

Compare and see reviews for airlines that fly from St. Louis to London with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £428Free CancellationRating
7.6
666 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £503Free CancellationRating
6.7
6,840 reviews
Search British Airways flights
United AirlinesPriceFrom £525Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom £532Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to London?

momondo provides multiple filters to help you find the best flight to London from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 10/11
Sun 17/11
Email me momondo's favourite deals

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London