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

Scandinavian Airlines is the most popular carrier operating from Missouri to London

How long does it take to fly to London?

Flight times from Missouri to London vary, but if you’re flying out of St. Louis and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 25m on average. Another popular route from Missouri to London is flying from Kansas City to London Heathrow Airport, which will take roughly 10h 53m. Keep in mind that layovers or delays could extend your travel time.

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 38% 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.

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 September 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.

£172 Cheap Flights from Missouri to London in 2025/26

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Find the cheapest flights from Missouri to London

Round-trip

One-way

Last minute

Cheap return flights

10:45 - 08:50STL-LHR

16h 05m2 stops

06:30 - 16:46LHR-STL

16h 16m2 stops

£389Delta

Find Deal

mar., 14 oct. - mer., 22 oct.

08:53 - 07:05STL-LHR

16h 12m1 stop

10:45 - 18:35LHR-STL

13h 50m1 stop

£390Delta

Find Deal

dim., 2 nov. - mar., 11 nov.

10:00 - 06:30STL-LHR

14h 30m2 stops

18:00 - 15:29LHR-STL

27h 29m1 stop

£392Air Canada

Find Deal

mar., 18 nov. - mer., 26 nov.

16:05 - 20:35STL-LHR

22h 30m2 stops

18:00 - 14:18LHR-STL

25h 18m2 stops

£393Air Canada

Find Deal

dim., 1 mars - ven., 13 mars

15:19 - 11:20STL-LHR

14h 01m2 stops

08:00 - 19:48LHR-STL

17h 48m2 stops

£398United Airlines

Find Deal

lun., 8 déc. - mar., 16 déc.

13:48 - 08:15STL-LHR

12h 27m1 stop

19:40 - 09:57LHR-STL

20h 17m2 stops

£411Iberia

Find Deal

jeu., 15 janv. - lun., 26 janv.

16:05 - 11:20STL-LHR

13h 15m1 stop

19:25 - 17:39LHR-STL

28h 14m2 stops

£414Multiple Airlines

Find Deal

jeu., 6 nov. - jeu., 20 nov.

15:11 - 05:55STL-LHR

32h 44m1 stop

18:00 - 15:29LHR-STL

27h 29m1 stop

£415United Airlines

Find Deal

sam., 10 janv. - dim., 18 janv.

09:15 - 06:30STL-LHR

15h 15m2 stops

06:50 - 15:18LHR-STL

14h 28m2 stops

£418Multiple Airlines

Find Deal

ven., 17 oct. - mar., 21 oct.

14:17 - 08:15STL-LHR

11h 58m1 stop

15:00 - 22:34LHR-STL

13h 34m1 stop

£422Iberia

Find Deal

lun., 17 nov. - dim., 23 nov.

Iberia flights from Missouri to London

Our best Iberia deals on Missouri to London flight tickets

Iberia

15 Jan

STL13:48Lambert-St Louis

12h 27m

1 stop

LHR08:15London Heathrow

26 Jan

LHR19:40London Heathrow

20h 17m

2 stops

STL09:57Lambert-St Louis

£411

Find similar

Iberia

17 Nov

STL14:17Lambert-St Louis

11h 58m

1 stop

LHR08:15London Heathrow

23 Nov

LHR15:00London Heathrow

13h 34m

1 stop

STL22:34Lambert-St Louis

£422

Find similar

Air Canada flights from Missouri to London

Our best Air Canada deals on Missouri to London flight tickets

Air Canada

18 Nov

STL10:00Lambert-St Louis

14h 30m

2 stops

LHR06:30London Heathrow

26 Nov

LHR18:00London Heathrow

27h 29m

1 stop

STL15:29Lambert-St Louis

£392

Find similar

Air Canada

1 Mar

STL16:05Lambert-St Louis

22h 30m

2 stops

LHR20:35London Heathrow

13 Mar

LHR18:00London Heathrow

25h 18m

2 stops

STL14:18Lambert-St Louis

£393

Find similar

Air Canada

9 Mar

STL16:05Lambert-St Louis

11h 25m

1 stop

LHR08:30London Heathrow

23 Mar

LHR18:00London Heathrow

26h 29m

1 stop

STL15:29Lambert-St Louis

£410

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

mar. 14/10

10:45-08:50

2 stops16h 05m

London Heathrow

mer. 22/10

06:30-16:46

2 stops16h 16m

£389

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

dim. 2/11

08:53-07:05

1 stop16h 12m

London Heathrow

mar. 11/11

10:45-18:35

1 stop13h 50m

£390

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

mar. 18/11

10:00-06:30

2 stops14h 30m

London Heathrow

mer. 26/11

18:00-15:29

1 stop27h 29m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

dim. 1/3

16:05-20:35

2 stops22h 30m

London Heathrow

ven. 13/3

18:00-14:18

2 stops25h 18m

£393

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

lun. 8/12

15:19-11:20

2 stops14h 01m

London Heathrow

mar. 16/12

08:00-19:48

2 stops17h 48m

£398

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

jeu. 15/1

13:48-08:15

1 stop12h 27m

London Heathrow

lun. 26/1

19:40-09:57

2 stops20h 17m

£411

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

jeu. 6/11

16:05-11:20

1 stop13h 15m

London Heathrow

jeu. 20/11

19:25-17:39

2 stops28h 14m

£414

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

sam. 10/1

15:11-05:55

1 stop32h 44m

London Heathrow

dim. 18/1

18:00-15:29

1 stop27h 29m

£415

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

ven. 17/10

09:15-06:30

2 stops15h 15m

London Heathrow

mar. 21/10

06:50-15:18

2 stops14h 28m

£418

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

lun. 17/11

14:17-08:15

1 stop11h 58m

London Heathrow

dim. 23/11

15:00-22:34

1 stop13h 34m

£422

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 £543, 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 £554.

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 £563. 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 £929.

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 £597. Flights in the evening are often more expensive, with an average ticket price of £1,069.

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 £675 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 £551 on momondo.

Can stopping save me money on Missouri to London flights?

You could potentially save up to 3% 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

Direct flights	None

There are no direct flights from Missouri to London. There are no popular flight routes from Missouri to London.

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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 September 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
Virgin Atlantic	PriceFrom £426	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom £429	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
KLM	PriceFrom £440	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
Lufthansa	PriceFrom £460	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
United Airlines	PriceFrom £469	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
British Airways	PriceFrom £483	Free Cancellation	Rating 6.7 7,363 reviews	Search British Airways flights

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Colchester

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Dartford

Winchester

Hounslow

Stansted

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.