Cheap flights from St. Louis to London from $219

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Sun 10/1
Sun 10/8

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Flight information for St. Louis to London
(STL to LON)

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

Best Price Found

$219

Fastest flight time

10h 05m

Direct flights

None

Airports in London

2 airports
The best one-way flight to London from St. Louis in the past 72 hours is $219. The best round-trip flight deal from St. Louis to London found on momondo in the last 72 hours is $659.
The fastest flight from St. Louis to London takes 10h 05m
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 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

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 cheapest month to fly from St. Louis to London?

February. The cheapest time of year to fly to London from St. Louis is February. Most expensive is July

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

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

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

At noon. St. Louis to London flights are approximately 4% more expensive in the afternoon than at noon

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

KLM. British Airways, Delta, and Finnair 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 Heathrow. Fly from Lambert-St Louis to London Heathrow for the best St. Louis - London flight prices

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

50 days before. The cheapest time to buy a flight from St. Louis to London is approximately 50 days to departure

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

You could potentially save up to 3% on your flight if you consider stops on a St. Louis to London flight.

If you are looking to fly from St. Louis to London, you are most likely going to fly from Lambert-St Louis Airport to London Heathrow Airport, the most popular airports on that route. When booking your trip to London, it is helpful to have an alternative airport to fly out of. The nearest airport to Lambert-St Louis Airport is Springfield Capital Airport which is located in Springfield. When traveling from St. Louis, it is helpful to have an alternative airport to fly into when you land in London. Good options for arrival airports in London, you can try London Gatwick Airport (in London), London City Airport (in London), or London Luton Airport (in London). The least expensive flight option from St. Louis to London will typically be STL ā€” LHR during the month of September with an average price of $636 RT.

Lambert-St Louis Airport (STL) to London Heathrow Airport (LHR)$636
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Lambert-St Louis Airport (STL) to London Gatwick Airport (LGW)$647
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Lambert-St Louis Airport (STL) to London City Airport (LCY)$710
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Lambert-St Louis Airport (STL) to London Luton Airport (LTN)$1,639
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Springfield Capital Airport (SPI) to London Heathrow Airport (LHR)$749
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Lambert-St Louis Airport (STL) to London Stansted Airport (STN)$1,855
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Easily compare round-trip flights from St. Louis to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to London by changing tabs
American Airlines
Jan 10
STL6:07 amLambert-St Louis
14h 23m
2 stops
LGW1:30 amLondon Gatwick
Jan 24
LGW7:30 amLondon Gatwick
27h 37m
2 stops
STL11:07 amLambert-St Louis
Multiple Airlines
Oct 25
STL7:45 amLambert-St Louis
14h 50m
1 stop
LHR3:35 amLondon Heathrow
Nov 1
LHR4:50 amLondon Heathrow
29h 58m
2 stops
STL10:48 amLambert-St Louis
United Airlines
Nov 1
STL12:43 pmLambert-St Louis
13h 07m
1 stop
LHR5:50 amLondon Heathrow
Nov 10
LHR6:10 amLondon Heathrow
35h 30m
2 stops
STL5:40 pmLambert-St Louis
Iberia
Nov 20
STL6:35 amLambert-St Louis
13h 45m
1 stop
LHR1:20 amLondon Heathrow
Nov 30
LHR1:20 amLondon Heathrow
19h 35m
2 stops
STL8:55 pmLambert-St Louis
Air Canada
Mar 10
STL6:30 amLambert-St Louis
15h 00m
1 stop
LHR1:30 amLondon Heathrow
Mar 29
LHR2:00 pmLondon Heathrow
20h 48m
1 stop
STL10:48 amLambert-St Louis
Scandinavian Airlines
Jan 10
STL7:24 amLambert-St Louis
14h 31m
2 stops
LHR2:55 amLondon Heathrow
Jan 24
LHR1:40 amLondon Heathrow
18h 41m
2 stops
STL8:21 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to London

If you're looking for one-way flights from St. Louis to London, view some of our deals below provided by Lufthansa
Multiple Airlines
Dec 11
STL4:00 pmLambert-St Louis
31h 00m
1 stop
LGW4:00 amLondon Gatwick
Lufthansa
Dec 11
STL12:34 pmLambert-St Louis
17h 06m
2 stops
LCY10:40 amLondon City
Multiple Airlines
Jan 15
STL4:00 pmLambert-St Louis
31h 00m
1 stop
LGW4:00 amLondon Gatwick

Search last-minute flights to London from St. Louis

Find and compare round-trip flight prices for your last-minute flight from St. Louis to London
Multiple Airlines
Oct 6
STL1:44 pmLambert-St Louis
34h 56m
1 stop
LGW5:40 amLondon Gatwick
Oct 14
LGW10:00 amLondon Gatwick
15h 59m
1 stop
STL1:59 amLambert-St Louis
Turkish Airlines
Oct 4
STL1:35 pmLambert-St Louis
40h 35m
2 stops
LGW11:10 amLondon Gatwick
Oct 11
LGW1:00 pmLondon Gatwick
28h 55m
2 stops
STL5:55 pmLambert-St Louis
Air France
Oct 4
STL10:13 amLambert-St Louis
11h 02m
1 stop
LHR2:15 amLondon Heathrow
Oct 18
LHR8:55 amLondon Heathrow
13h 40m
1 stop
STL10:35 pmLambert-St Louis
Air Canada
Oct 2
STL7:45 amLambert-St Louis
12h 50m
1 stop
LHR1:35 amLondon Heathrow
Oct 12
LHR2:00 amLondon Heathrow
17h 11m
2 stops
STL7:11 pmLambert-St Louis
United Airlines
Oct 4
STL9:00 amLambert-St Louis
11h 45m
1 stop
LHR1:45 amLondon Heathrow
Oct 18
LHR3:25 amLondon Heathrow
15h 38m
2 stops
STL7:03 pmLambert-St Louis
Delta
Oct 3
STL2:10 pmLambert-St Louis
10h 50m
1 stop
LHR6:00 amLondon Heathrow
Oct 10
LHR2:30 amLondon Heathrow
16h 47m
2 stops
STL7:17 pmLambert-St Louis

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
LufthansaPriceFrom $564Free CancellationRating
6.7
1,054 reviews
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Air CanadaPriceFrom $621Free CancellationRating
7.3
568 reviews
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Virgin AtlanticPriceFrom $646Free CancellationRating
7.6
329 reviews
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American AirlinesPriceFrom $648Free CancellationRating
7.1
2,890 reviews
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DeltaPriceFrom $660Free CancellationRating
7.8
1,565 reviews
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KLMPriceFrom $662Free CancellationRating
7.5
355 reviews
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British AirwaysPriceFrom $671Free CancellationRating
6.4
2,315 reviews
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IberiaPriceFrom $672Free CancellationRating
6.9
555 reviews
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Air FrancePriceFrom $681Free CancellationRating
7.3
481 reviews
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FinnairPriceFrom $693Free CancellationRating
7.7
368 reviews
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United Airlines flights from St. Louis to London

Our best United Airlines deals on St. Louis to London flight tickets
United Airlines
Nov 1
STL12:43 pmLambert-St Louis
13h 07m
1 stop
LHR5:50 amLondon Heathrow
Nov 10
LHR6:10 amLondon Heathrow
35h 30m
2 stops
STL5:40 pmLambert-St Louis
United Airlines
Nov 1
STL2:15 amLambert-St Louis
20h 10m
1 stop
LHR2:25 amLondon Heathrow
Nov 10
LHR2:40 amLondon Heathrow
38h 52m
2 stops
STL5:32 pmLambert-St Louis
United Airlines
Nov 1
STL2:15 amLambert-St Louis
23h 35m
1 stop
LHR5:50 amLondon Heathrow
Nov 10
LHR7:00 amLondon Heathrow
27h 48m
1 stop
STL10:48 amLambert-St Louis

Iberia flights from St. Louis to London

Our best Iberia deals on St. Louis to London flight tickets
Iberia
Nov 20
STL6:35 amLambert-St Louis
13h 45m
1 stop
LHR1:20 amLondon Heathrow
Nov 30
LHR1:20 amLondon Heathrow
19h 35m
2 stops
STL8:55 pmLambert-St Louis
Iberia
Oct 16
STL1:56 pmLambert-St Louis
17h 19m
2 stops
LHR12:15 pmLondon Heathrow
Oct 30
LHR3:40 pmLondon Heathrow
29h 54m
2 stops
STL9:34 pmLambert-St Louis
Iberia
Oct 26
STL5:47 amLambert-St Louis
14h 38m
1 stop
LHR1:25 amLondon Heathrow
Nov 6
LHR2:35 amLondon Heathrow
21h 22m
2 stops
STL11:57 pmLambert-St Louis

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

    London is 4197.7 mi away from Lambert-St Louis. Flights usually cover this in 9h 44m, depending on flying conditions and air traffic around both airports.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.


Alternative routes for St. Louis to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to London Flights
Fastest flight time10h 04m
Cheapest price$640
St. Louis to Birmingham Flights
Fastest flight time16h 20m
Cheapest price$756
Kansas City to Manchester Flights
Fastest flight time15h 45m
Cheapest price$637
Kansas City to Birmingham Flights
Fastest flight time16h 25m
Cheapest price$650

Similar St. Louis to London flights

Flexible with your destination? Broaden your search and find flights similar to your St. Louis to London route

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to London for you.

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?

Once you have performed a search for St. Louis to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from St. Louis to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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