What is the cheapest airline that flies from Missouri to London?

Air Canada and United Airlines are the most popular carriers operating from Missouri to London

Which airlines fly to London?

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to London from Missouri according to our data. Virgin Atlantic is the first choice among our users, with 40% of people opting to fly with this airline when travelling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London?

Flight times from Missouri to London vary, but if you’re flying out of Kansas City and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 11m on average. Another popular route from Missouri to London is flying from St. Louis to London Heathrow Airport, which will take roughly 11h. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Missouri to London?

Prices for flights from Missouri to London were last updated today.

How many operators does momondo search for flights from Missouri to London?

As of August 2025, there are 6 operators available to choose from for flights from Missouri to London.

How old do you have to be to fly from Missouri to London?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to London.

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

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£137 Cheap Flights from Missouri to London in 2025

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Find the cheapest flights from Missouri to London

Round-trip

One-way

Last minute

Cheap return flights

13:30 - 09:35STL-LHR

14h 05m1 stop

06:50 - 15:18LHR-STL

14h 28m2 stops

£360Air Canada

Find Deal

Sun, 14 Sep - Tue, 30 Sep

13:30 - 09:35STL-LHR

14h 05m1 stop

12:05 - 19:38LHR-STL

13h 33m1 stop

£370Air Canada

Find Deal

Sun, 14 Sep - Tue, 30 Sep

13:30 - 06:30STL-LHR

11h 00m1 stop

14:05 - 10:49LHR-STL

26h 44m2 stops

£379United Airlines

Find Deal

Tue, 14 Oct - Wed, 22 Oct

13:30 - 10:15STL-LHR

14h 45m2 stops

06:50 - 20:00LHR-STL

19h 10m2 stops

£382

Find Deal

Tue, 19 Aug - Wed, 27 Aug

11:20 - 10:15STL-LHR

16h 55m1 stop

13:25 - 14:25LHR-STL

31h 00m2 stops

£383United Airlines

Find Deal

Mon, 3 Nov - Tue, 11 Nov

17:52 - 12:45STL-LHR

12h 53m1 stop

19:30 - 19:09LHR-STL

29h 39m2 stops

£390British Airways

Find Deal

Mon, 18 Aug - Wed, 27 Aug

16:05 - 11:50STL-LHR

13h 45m1 stop

06:50 - 15:18LHR-STL

14h 28m2 stops

£391

Find Deal

Tue, 9 Sep - Tue, 23 Sep

09:45 - 10:50STL-LGW

19h 05m2 stops

20:40 - 20:18LGW-STL

29h 38m2 stops

£392Iberia

Find Deal

Tue, 19 Aug - Wed, 27 Aug

19:59 - 12:15STL-LHR

10h 16m1 stop

12:15 - 18:23LHR-STL

12h 08m1 stop

£393British Airways

Find Deal

Mon, 18 Aug - Wed, 27 Aug

10:46 - 09:00MCI-LHR

16h 14m1 stop

12:00 - 21:08LHR-MCI

15h 08m1 stop

£475Iberia

Find Deal

Wed, 1 Oct - Tue, 7 Oct

United Airlines flights from Missouri to London

Our best United Airlines deals on Missouri to London flight tickets

United Airlines

14 Oct

STL13:30Lambert-St Louis

11h 00m

1 stop

LHR06:30London Heathrow

22 Oct

LHR14:05London Heathrow

26h 44m

2 stops

STL10:49Lambert-St Louis

£379

Find similar

United Airlines

3 Nov

STL11:20Lambert-St Louis

16h 55m

1 stop

LHR10:15London Heathrow

11 Nov

LHR13:25London Heathrow

31h 00m

2 stops

STL14:25Lambert-St Louis

£383

Find similar

United Airlines

21 Oct

STL16:05Lambert-St Louis

13h 45m

1 stop

LHR11:50London Heathrow

30 Oct

LHR13:25London Heathrow

30h 00m

2 stops

STL14:25Lambert-St Louis

£384

Find similar

Delta flights from Missouri to London

Our best Delta deals on Missouri to London flight tickets

Delta

18 Aug

STL17:11Lambert-St Louis

14h 19m

1 stop

LHR13:30London Heathrow

27 Aug

LHR06:15London Heathrow

16h 30m

2 stops

STL16:45Lambert-St Louis

£394

Find similar

Delta

19 Aug

STL07:00Lambert-St Louis

17h 45m

1 stop

LHR06:45London Heathrow

27 Aug

LHR11:30London Heathrow

16h 32m

2 stops

STL22:02Lambert-St Louis

£394

Find similar

Delta

31 Dec

STL09:53Lambert-St Louis

14h 32m

1 stop

LHR06:25London Heathrow

9 Jan

LHR08:55London Heathrow

17h 44m

2 stops

STL20:39Lambert-St Louis

£395

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 14/9

13:30-09:35

1 stop14h 05m

London Heathrow

Tue 30/9

06:50-15:18

2 stops14h 28m

£360

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 14/9

13:30-09:35

1 stop14h 05m

London Heathrow

Tue 30/9

12:05-19:38

1 stop13h 33m

£370

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 14/10

13:30-06:30

1 stop11h 00m

London Heathrow

Wed 22/10

14:05-10:49

2 stops26h 44m

£379

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 19/8

13:30-10:15

2 stops14h 45m

London Heathrow

Wed 27/8

06:50-20:00

2 stops19h 10m

£382

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 3/11

11:20-10:15

1 stop16h 55m

London Heathrow

Tue 11/11

13:25-14:25

2 stops31h 00m

£383

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 18/8

17:52-12:45

1 stop12h 53m

London Heathrow

Wed 27/8

19:30-19:09

2 stops29h 39m

£390

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 9/9

16:05-11:50

1 stop13h 45m

London Heathrow

Tue 23/9

06:50-15:18

2 stops14h 28m

£391

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 19/8

09:45-10:50

2 stops19h 05m

London Gatwick

Wed 27/8

20:40-20:18

2 stops29h 38m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 18/8

19:59-12:15

1 stop10h 16m

London Heathrow

Wed 27/8

12:15-18:23

1 stop12h 08m

£393

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 1/10

10:46-09:00

1 stop16h 14m

London Heathrow

Tue 7/10

12:00-21:08

1 stop15h 08m

£475

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri 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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Missouri is in October. Flight prices, which tend to average around £577, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Missouri averaging around £580.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £581. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to London for around £957.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £615. Flights in the evening are often more expensive, with an average ticket price of £1,101.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £711 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Missouri for as low as £620 on momondo.

Can stopping save me money on Missouri to London flights?

You could potentially save up to 1% on your flight if you consider stops on a Missouri to London flight.

Cheap Missouri to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to London

Best price found	£137
Fastest flight time	9h 59m
Direct flights	None
Airports in London	4 airports

The best one-way flight to London from Missouri in the past 72 hours is £137. The best return flight deal from Missouri to London found on momondo in the last 72 hours is £360.

The fastest flight from Missouri to London takes 9h 59m

There are no direct flights from Missouri to London. Popular non-direct routes for this connection are Kansas City Airport - London Heathrow Airport, Kansas City Airport - London Gatwick Airport and Lambert-St Louis Airport - London Heathrow Airport.

There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Gatwick (LGW)

Search flight deals

When did momondo last update prices for flights from Missouri to London?
Prices for flights from Missouri to London were last updated today.
How many operators does momondo search for flights from Missouri to London?
As of August 2025, there are 6 operators available to choose from for flights from Missouri to London.
How old do you have to be to fly from Missouri to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to London

Compare and see reviews for airlines that fly from Missouri to London with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £442	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights
United Airlines	PriceFrom £483	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
British Airways	PriceFrom £498	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £503	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £538	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
Lufthansa	PriceFrom £604	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights

Eastbourne

Milton Keynes

Luton

Slough

Southend-on-Sea

Maidstone

Canterbury

Gatwick

Ipswich

Ilford

Dartford

Guildford

Colchester

Worthing

Hounslow

Dover

Winchester

Margate

Chelmsford

Bedford

Why use momondo?

Why should I use momondo to find a flight deal from Missouri 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 Missouri to London for you.

Can I find flights from Missouri to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to London?

momondo helps you find the best flight between Missouri and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Missouri 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.