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

British Airways, Air Canada, and SWISS are the most popular carriers operating from Missouri to London

How long does it take to fly to London?

If you’re flying from a popular airport in Missouri, such as St. Louis or Kansas City, and flying into London, then you can expect flight times to average 8h and 10h 23m, respectively.

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 10 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 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 10 as of February 2026.

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.

$217 Cheap Flights from Missouri to London in 2026

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Find the cheapest flights from Missouri to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 11:35 am

SGF

LHR

20h 35m

1 stop

6:50 am - 5:59 pm

LHR

SGF

17h 09m

2 stops

$528United Airlines

Wed, May 13 - Fri, May 15

11:18 am - 6:55 am

SGF

LHR

13h 37m

2 stops

6:50 am - 5:59 pm

LHR

SGF

17h 09m

2 stops

$532United Airlines

Tue, May 12 - Thu, May 14

5:45 am - 10:00 am

MCI

LGW

22h 15m

1 stop

2:00 pm - 11:59 pm

LGW

MCI

15h 59m

1 stop

$590Multiple Airlines

Wed, Apr 1 - Wed, Apr 22

5:45 pm - 5:05 pm

MCI

LHR

17h 20m

2 stops

9:00 am - 9:59 pm

LHR

MCI

18h 59m

2 stops

$625Lufthansa

Tue, Apr 14 - Thu, Apr 23

4:24 pm - 10:00 am

MCI

LGW

35h 36m

1 stop

2:00 pm - 3:29 pm

LGW

MCI

30h 29m

1 stop

$632Multiple Airlines

Thu, Mar 5 - Mon, Mar 9

2:15 pm - 10:15 am

MCI

LHR

15h 00m

2 stops

6:30 am - 7:19 pm

LHR

MCI

17h 49m

2 stops

$637Delta

Tue, Mar 10 - Tue, Mar 17

3:56 pm - 9:00 am

SGF

LHR

12h 04m

1 stop

11:45 am - 11:08 am

LHR

SGF

28h 23m

2 stops

$638Delta

Mon, Mar 9 - Tue, Mar 24

9:28 am - 10:40 am

MCI

LGW

19h 12m

2 stops

10:45 am - 10:50 pm

LGW

MCI

18h 05m

2 stops

$643American Airlines

Wed, Apr 1 - Wed, Apr 22

11:30 am - 10:40 am

MCI

LHR

17h 10m

2 stops

11:30 am - 11:01 pm

LHR

MCI

17h 31m

2 stops

$646Lufthansa

Tue, Apr 21 - Thu, Apr 30

11:22 am - 9:00 am

STL

LGW

16h 38m

2 stops

2:30 pm - 8:30 am

LGW

STL

24h 00m

2 stops

$652American Airlines

Mon, Mar 23 - Tue, Apr 7

British Airways flights from Missouri to London

Our best British Airways deals on Missouri to London flight tickets

British Airways

Mar 10

MCI1:58 pmKansas City

13h 17m

1 stop

LHR8:15 amLondon Heathrow

Mar 17

LHR11:45 amLondon Heathrow

15h 41m

1 stop

MCI10:26 pmKansas City

$651

British Airways

Apr 21

MCI2:33 pmKansas City

17h 52m

1 stop

LHR2:25 pmLondon Heathrow

Apr 30

LHR6:15 amLondon Heathrow

21h 41m

2 stops

MCI9:56 pmKansas City

$652

British Airways

Mar 10

MCI6:40 amKansas City

19h 10m

1 stop

LHR6:50 amLondon Heathrow

Mar 17

LHR8:20 amLondon Heathrow

15h 29m

1 stop

MCI6:49 pmKansas City

$658

Air Canada flights from Missouri to London

Our best Air Canada deals on Missouri to London flight tickets

Air Canada

Feb 23

STL4:49 pmLambert-St Louis

32h 21m

2 stops

LHR7:10 amLondon Heathrow

Mar 4

LHR1:25 pmLondon Heathrow

15h 34m

2 stops

STL10:59 pmLambert-St Louis

$649

Air Canada

Apr 29

STL6:30 amLambert-St Louis

18h 00m

2 stops

LHR6:30 amLondon Heathrow

May 14

LHR8:40 amLondon Heathrow

17h 25m

2 stops

STL8:05 pmLambert-St Louis

$651

Air Canada

Apr 1

MCI11:30 amKansas City

15h 05m

2 stops

LHR8:35 amLondon Heathrow

Apr 7

LHR5:40 pmLondon Heathrow

32h 05m

2 stops

MCI7:45 pmKansas City

$662

Fly from

Fly to

Route

Depart

Return

Price

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 5/13

9:00 am-11:35 am

1 stop20h 35m

London Heathrow

Fri 5/15

6:50 am-5:59 pm

2 stops17h 09m

$528

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 5/12

11:18 am-6:55 am

2 stops13h 37m

London Heathrow

Thu 5/14

6:50 am-5:59 pm

2 stops17h 09m

$532

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Wed 4/1

5:45 am-10:00 am

1 stop22h 15m

London Gatwick

Wed 4/22

2:00 pm-11:59 pm

1 stop15h 59m

$590

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/14

5:45 pm-5:05 pm

2 stops17h 20m

London Heathrow

Thu 4/23

9:00 am-9:59 pm

2 stops18h 59m

$625

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Thu 3/5

4:24 pm-10:00 am

1 stop35h 36m

London Gatwick

Mon 3/9

2:00 pm-3:29 pm

1 stop30h 29m

$632

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 3/10

2:15 pm-10:15 am

2 stops15h 00m

London Heathrow

Tue 3/17

6:30 am-7:19 pm

2 stops17h 49m

$637

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 3/9

3:56 pm-9:00 am

1 stop12h 04m

London Heathrow

Tue 3/24

11:45 am-11:08 am

2 stops28h 23m

$638

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Wed 4/1

9:28 am-10:40 am

2 stops19h 12m

London Gatwick

Wed 4/22

10:45 am-10:50 pm

2 stops18h 05m

$643

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/21

11:30 am-10:40 am

2 stops17h 10m

London Heathrow

Thu 4/30

11:30 am-11:01 pm

2 stops17h 31m

$646

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 3/23

11:22 am-9:00 am

2 stops16h 38m

London Gatwick

Tue 4/7

2:30 pm-8:30 am

2 stops24h 00m

$652

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 January. Flight prices, which tend to average around $672, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Missouri averaging around $698.

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

The cheapest day to depart from Missouri to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $688. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $943. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest Missouri to London flight route?

Fly from Lambert-St Louis to London Heathrow for the best Missouri - London flight prices

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 $858 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 $786 on momondo.

What cabin class options are available on Missouri to London flights?

There are 3 cabin classes available to choose from on Missouri to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to London flights?

You could potentially save up to 46% 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	$515
Fastest flight time	8h 00m
Direct flights	Mon, Wed, Thu and Sat
Airports in London	6 airports

The best one-way flight to London from Missouri in the past 72 hours is $515. The best round-trip flight deal from Missouri to London found on momondo in the last 72 hours is $666.

The fastest flight from Missouri to London takes 8h 00m

Direct flights go from Missouri to London on Monday, Wednesday, Thursday and Saturday. There are no airlines offering direct flights.

There are 6 airports in London. From Missouri there are direct flights to London Heathrow (LHR).

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 10 as of February 2026.
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.
What is the most popular plane model from Missouri to London?
Based on momondo bookings for flights between Missouri and London, the leading plane model is Boeing 787-8 Dreamliner, making up 95.09% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 4.91%.

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 $529	Free Cancellation	Rating 7.7 1,451 reviews	Search KLM flights
Lufthansa	PriceFrom $533	Free Cancellation	Rating 6.8 7,777 reviews	Search Lufthansa flights
Air Canada	PriceFrom $572	Free Cancellation	Rating 7.1 10,705 reviews	Search Air Canada flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 7,727 reviews	Search British Airways flights
Delta	PriceFrom $577	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,112 reviews	Search Iberia flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 9,272 reviews	Search United Airlines flights
American Airlines	PriceFrom $596	Free Cancellation	Rating 7.2 11,263 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $602	Free Cancellation	Rating 7.3 1,679 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $615	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Croydon

Brentwood

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

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.

An easier way to manage your London trip

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

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Fly into one of these airports located in London

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Cheap flights from Missouri to London from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to London departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Missouri to London

Our best British Airways deals on Missouri to London flight tickets

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Our best Air Canada deals on Missouri to London flight tickets

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See travel insights to London from

How to get the cheapest flight ticket from Missouri to London

What is the cheapest month to fly to London?

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

What is the cheapest Missouri to London flight route?

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

What cabin class options are available on Missouri to London flights?

Can stopping save me money on Missouri to London flights?

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

What airlines fly to London?

How long does it take to fly to London?

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

Fastest flight time

Direct flights

Airports in London

Best airlines flying from Missouri to London

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

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organize 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.

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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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