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

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

What airlines fly to London?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London from Missouri according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 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?

If you’re flying from a popular airport in Missouri, such as St. Louis or Columbia, and flying into London, then you can expect flight times to average 10h 25m and 10h 45m, respectively.

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

Prices for flights from Missouri to London are updated daily.

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

The number of operators available for flights from Missouri to London is 11 as of September 2025.

How old do you have to be to fly from Missouri 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 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.

$235 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 round-trip flights

6:43 pm - 11:15 amSTL-LHR

10h 32m1 stop

6:00 pm - 3:29 pmLHR-STL

27h 29m1 stop

$528United Airlines

Find Deal

Tue, Nov 18 - Thu, Nov 27

8:20 am - 7:30 amSTL-LHR

18h 10m1 stop

6:30 am - 1:55 pmLHR-STL

13h 25m1 stop

$529United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

10:45 am - 8:50 amSTL-LHR

16h 05m2 stops

6:30 am - 5:29 pmLHR-STL

16h 59m2 stops

$530Delta

Find Deal

Tue, Oct 14 - Wed, Oct 22

8:53 am - 7:05 amSTL-LHR

16h 12m1 stop

10:45 am - 6:35 pmLHR-STL

13h 50m1 stop

$532Delta

Find Deal

Sun, Nov 2 - Tue, Nov 11

10:00 am - 6:30 amSTL-LHR

14h 30m2 stops

6:00 pm - 3:29 pmLHR-STL

27h 29m1 stop

$535Air Canada

Find Deal

Tue, Nov 18 - Wed, Nov 26

4:05 pm - 8:35 pmSTL-LHR

22h 30m2 stops

6:00 pm - 2:18 pmLHR-STL

25h 18m2 stops

$536Air Canada

Find Deal

Sun, Mar 1 - Fri, Mar 13

1:48 pm - 8:15 amSTL-LHR

12h 27m1 stop

7:40 pm - 9:57 amLHR-STL

20h 17m2 stops

$561Iberia

Find Deal

Thu, Jan 15 - Mon, Jan 26

4:05 pm - 11:20 amSTL-LHR

13h 15m1 stop

7:25 pm - 5:39 pmLHR-STL

28h 14m2 stops

$564Multiple Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 20

4:05 pm - 7:10 amSTL-LHR

33h 05m2 stops

6:00 am - 3:29 pmLHR-STL

38h 29m2 stops

$572Multiple Airlines

Find Deal

Sun, Mar 1 - Fri, Mar 13

2:17 pm - 2:35 pmSTL-LCY

18h 18m2 stops

7:15 pm - 8:24 pmLCY-STL

31h 09m2 stops

$810Iberia

Find Deal

Mon, Dec 1 - Mon, Dec 15

Air Canada flights from Missouri to London

Our best Air Canada deals on Missouri to London flight tickets

Air Canada

Nov 18

STL10:00 amLambert-St Louis

14h 30m

2 stops

LHR6:30 amLondon Heathrow

Nov 26

LHR6:00 pmLondon Heathrow

27h 29m

1 stop

STL3:29 pmLambert-St Louis

$535

Find similar

Air Canada

Mar 1

STL4:05 pmLambert-St Louis

22h 30m

2 stops

LHR8:35 pmLondon Heathrow

Mar 13

LHR6:00 pmLondon Heathrow

25h 18m

2 stops

STL2:18 pmLambert-St Louis

$536

Find similar

Air Canada

Mar 9

STL4:05 pmLambert-St Louis

11h 25m

1 stop

LHR8:30 amLondon Heathrow

Mar 23

LHR6:00 pmLondon Heathrow

26h 29m

1 stop

STL3:29 pmLambert-St Louis

$559

Find similar

Virgin Atlantic flights from Missouri to London

Our best Virgin Atlantic deals on Missouri to London flight tickets

Virgin Atlantic

Sep 28

MCI6:42 pmKansas City

12h 48m

1 stop

LHR1:30 pmLondon Heathrow

Oct 14

LHR12:25 pmLondon Heathrow

16h 35m

1 stop

MCI11:00 pmKansas City

$593

Find similar

Virgin Atlantic

Sep 26

MCI2:13 pmKansas City

11h 02m

1 stop

LHR7:15 amLondon Heathrow

Oct 6

LHR7:45 pmLondon Heathrow

31h 18m

2 stops

MCI9:03 pmKansas City

$626

Find similar

Virgin Atlantic

Dec 15

MCI12:48 pmKansas City

11h 37m

1 stop

LHR6:25 amLondon Heathrow

Jan 15

LHR8:55 amLondon Heathrow

14h 42m

1 stop

MCI5:37 pmKansas City

$648

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 11/18

6:43 pm-11:15 am

1 stop10h 32m

London Heathrow

Thu 11/27

6:00 pm-3:29 pm

1 stop27h 29m

$528

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 10/29

8:20 am-7:30 am

1 stop18h 10m

London Heathrow

Wed 11/5

6:30 am-1:55 pm

1 stop13h 25m

$529

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 10/14

10:45 am-8:50 am

2 stops16h 05m

London Heathrow

Wed 10/22

6:30 am-5:29 pm

2 stops16h 59m

$530

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 11/2

8:53 am-7:05 am

1 stop16h 12m

London Heathrow

Tue 11/11

10:45 am-6:35 pm

1 stop13h 50m

$532

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 11/18

10:00 am-6:30 am

2 stops14h 30m

London Heathrow

Wed 11/26

6:00 pm-3:29 pm

1 stop27h 29m

$535

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 3/1

4:05 pm-8:35 pm

2 stops22h 30m

London Heathrow

Fri 3/13

6:00 pm-2:18 pm

2 stops25h 18m

$536

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 1/15

1:48 pm-8:15 am

1 stop12h 27m

London Heathrow

Mon 1/26

7:40 pm-9:57 am

2 stops20h 17m

$561

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 11/6

4:05 pm-11:20 am

1 stop13h 15m

London Heathrow

Thu 11/20

7:25 pm-5:39 pm

2 stops28h 14m

$564

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 3/1

4:05 pm-7:10 am

2 stops33h 05m

London Heathrow

Fri 3/13

6:00 am-3:29 pm

2 stops38h 29m

$572

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Mon 12/1

2:17 pm-2:35 pm

2 stops18h 18m

London City

Mon 12/15

7:15 pm-8:24 pm

2 stops31h 09m

$810

Flights are sorted by cheapest round-trip 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 $740, 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 $755.

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

The cheapest day to depart from Missouri to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $846. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,006. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Missouri in the morning is the least expensive time of day to depart. momondo users have found prices as low as $915 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $958. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $920 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Missouri for as low as $751 on momondo.

Can stopping save me money on Missouri to London flights?

You could potentially save up to 9% 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.

Search flight deals

When did momondo last update prices for flights from Missouri to London?
Prices for flights from Missouri to London are updated daily.
How many operators does momondo search for flights from Missouri to London?
The number of operators available for flights from Missouri to London is 11 as of September 2025.
How old do you have to be to fly from Missouri 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 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
KLM	PriceFrom $530	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
British Airways	PriceFrom $590	Free Cancellation	Rating 6.7 7,363 reviews	Search British Airways flights
Finnair	PriceFrom $599	Free Cancellation	Rating 7.6 1,324 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $620	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $631	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
Air Canada	PriceFrom $634	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
American Airlines	PriceFrom $637	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $658	Free Cancellation	Rating 7.0 2,924 reviews	Search Iberia flights
Scandinavian Airlines	PriceFrom $669	Free Cancellation	Rating 7.4 1,486 reviews	Search Scandinavian Airlines flights

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Brentwood

Ilford

Folkestone

Colchester

Watford

Wembley

Richmond

Croydon

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to London?

It is quick and easy to find Missouri to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits 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?

Once all potential Missouri to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.