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

Delta, 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 39% of people opting to fly with this airline when traveling to London. Keep in mind that there are 9 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 8h and 11h 25m, 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 9 as of March 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.

$273 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.

8:23 pm - 6:20 am

STL

LGW

27h 57m

2 stops

2:00 pm - 11:19 pm

LGW

STL

15h 19m

1 stop

$729Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

6:11 pm - 12:10 pm

STL

LHR

11h 59m

1 stop

6:15 am - 10:19 pm

LHR

STL

22h 04m

2 stops

$733Iberia

Tue, Apr 21 - Wed, May 13

8:23 pm - 6:20 am

STL

LGW

27h 57m

2 stops

2:00 pm - 11:19 pm

LGW

STL

15h 19m

1 stop

$740Multiple Airlines

Wed, Apr 15 - Fri, Apr 24

6:11 pm - 5:15 pm

STL

LHR

17h 04m

2 stops

6:15 am - 10:19 pm

LHR

STL

22h 04m

2 stops

$741Iberia

Tue, Apr 21 - Wed, May 13

6:23 am - 7:40 am

MCI

LHR

19h 17m

1 stop

6:50 am - 3:52 pm

LHR

MCI

15h 02m

2 stops

$747United Airlines

Mon, Sep 7 - Wed, Sep 9

4:05 pm - 8:35 am

STL

LHR

10h 30m

1 stop

2:05 pm - 8:25 pm

LHR

STL

12h 20m

1 stop

$763Air Canada

Tue, Apr 21 - Wed, May 13

7:09 pm - 6:25 pm

STL

LHR

17h 16m

2 stops

6:30 am - 1:25 pm

LHR

STL

12h 55m

1 stop

$786Lufthansa

Mon, May 4 - Wed, May 13

3:30 pm - 12:40 pm

STL

LHR

15h 10m

1 stop

6:30 am - 1:25 pm

LHR

STL

12h 55m

1 stop

$791Lufthansa

Wed, Aug 26 - Tue, Sep 8

3:36 pm - 4:00 pm

MCI

LHR

18h 24m

2 stops

6:40 am - 10:26 pm

LHR

MCI

21h 46m

2 stops

$808Scandinavian Airlines

Mon, Aug 17 - Thu, Feb 11

5:45 pm - 6:55 am

MCI

LHR

31h 10m

1 stop

6:50 am - 7:17 pm

LHR

MCI

18h 27m

2 stops

$830United Airlines

Sat, Sep 12 - Tue, Sep 22

KLM flights from Missouri to London

Our best KLM deals on Missouri to London flight tickets

KLM

May 11

MCI12:21 pmKansas City

12h 04m

1 stop

LHR6:25 amLondon Heathrow

May 21

LHR3:15 pmLondon Heathrow

14h 34m

1 stop

MCI11:49 pmKansas City

$914

KLM

May 7

STL7:01 pmLambert-St Louis

15h 39m

2 stops

LCY4:40 pmLondon City

May 14

LCY10:00 amLondon City

19h 59m

2 stops

STL11:59 pmLambert-St Louis

$953

KLM

May 8

SGF6:52 pmSpringfield-Branson

12h 23m

1 stop

LHR1:15 pmLondon Heathrow

May 15

LHR11:15 amLondon Heathrow

12h 51m

1 stop

SGF6:06 pmSpringfield-Branson

$964

Air Canada flights from Missouri to London

Our best Air Canada deals on Missouri to London flight tickets

Air Canada

Apr 21

STL4:05 pmLambert-St Louis

10h 30m

1 stop

LHR8:35 amLondon Heathrow

May 13

LHR2:05 pmLondon Heathrow

12h 20m

1 stop

STL8:25 pmLambert-St Louis

$763

Air Canada

Apr 25

STL4:05 pmLambert-St Louis

32h 25m

2 stops

LHR6:30 amLondon Heathrow

May 6

LHR8:40 amLondon Heathrow

17h 45m

2 stops

STL8:25 pmLambert-St Louis

$825

Air Canada

May 8

STL2:15 pmLambert-St Louis

24h 45m

2 stops

LHR9:00 pmLondon Heathrow

May 15

LHR8:40 amLondon Heathrow

17h 45m

2 stops

STL8:25 pmLambert-St Louis

$843

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 4/15

8:23 pm-6:20 am

2 stops27h 57m

London Gatwick

Wed 4/22

2:00 pm-11:19 pm

1 stop15h 19m

$729

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 4/21

6:11 pm-12:10 pm

1 stop11h 59m

London Heathrow

Wed 5/13

6:15 am-10:19 pm

2 stops22h 04m

$733

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 4/15

8:23 pm-6:20 am

2 stops27h 57m

London Gatwick

Fri 4/24

2:00 pm-11:19 pm

1 stop15h 19m

$740

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 4/21

6:11 pm-5:15 pm

2 stops17h 04m

London Heathrow

Wed 5/13

6:15 am-10:19 pm

2 stops22h 04m

$741

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 9/7

6:23 am-7:40 am

1 stop19h 17m

London Heathrow

Wed 9/9

6:50 am-3:52 pm

2 stops15h 02m

$747

Quickest round-trip

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 4/21

4:05 pm-8:35 am

1 stop10h 30m

London Heathrow

Wed 5/13

2:05 pm-8:25 pm

1 stop12h 20m

$763

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 5/4

7:09 pm-6:25 pm

2 stops17h 16m

London Heathrow

Wed 5/13

6:30 am-1:25 pm

1 stop12h 55m

$786

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 8/26

3:30 pm-12:40 pm

1 stop15h 10m

London Heathrow

Tue 9/8

6:30 am-1:25 pm

1 stop12h 55m

$791

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 8/17

3:36 pm-4:00 pm

2 stops18h 24m

London Heathrow

Thu 2/11

6:40 am-10:26 pm

2 stops21h 46m

$808

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 9/12

5:45 pm-6:55 am

1 stop31h 10m

London Heathrow

Tue 9/22

6:50 am-7:17 pm

2 stops18h 27m

$830

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 $690.

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 $1,050. 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 $843 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 $756 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 32% 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	$538
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 $538. The best round-trip flight deal from Missouri to London found on momondo in the last 72 hours is $884.

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 9 as of March 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 94.63% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 4.79%, Airbus A330-300 with 0.46%, and Embraer 175 with 0.11%.

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
Delta	PriceFrom $483	Free Cancellation	Rating 7.9 8,358 reviews	Search Delta flights
KLM	PriceFrom $529	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
Lufthansa	PriceFrom $533	Free Cancellation	Rating 6.8 7,872 reviews	Search Lufthansa flights
American Airlines	PriceFrom $563	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
Air Canada	PriceFrom $572	Free Cancellation	Rating 7.1 10,853 reviews	Search Air Canada flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 7,825 reviews	Search British Airways flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,157 reviews	Search Iberia flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 9,501 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $620	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Crawley

Slough

Wembley

Hayes

Croydon

Dartford

Brentwood

Guildford

Harrow

Cobham

Folkestone

Romford

Stansted

Watford

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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London Stansted Airport

Cheap flights from Missouri to London from $273

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 7/22. 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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KLM flights from Missouri to London

Our best KLM deals on Missouri to London flight tickets

Air Canada flights from Missouri to London

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?

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

Fly to other destinations from Missouri

According to popular flight searches on momondo this year

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