What airlines fly to London Heathrow Airport?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Missouri according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 9 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

British Airways, United Airlines, and KLM are the most popular carriers operating from Missouri to London Heathrow

How many flights depart from Missouri to London Heathrow Airport on average per day?

The number of flights available between Missouri and London Heathrow Airport is 2 per day as of July 2026. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Missouri to London Heathrow Airport on average per week?

15 flights are operational weekly from Missouri to London Heathrow Airport as of July 2026. The most popular departure day for this route is Tue, with 33% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

On average, it takes 8h to fly from Missouri to London Heathrow Airport if you fly out of St. Louis (the most popular airport in Missouri) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Kansas City and into London Heathrow Airport, then the flight time is around 10h 55m.

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

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

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

As of July 2026, there are 9 operators available to choose from for flights from Missouri to London Heathrow Airport.

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

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 Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$310 Cheap Flights from Missouri to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

3:25 pm - 9:10 am

MCI

LHR

11h 45m

1 stop

6:50 am - 6:38 pm

LHR

MCI

17h 48m

2 stops

$846United Airlines

Fri, Nov 6 - Sun, Nov 8

11:44 am - 9:10 am

MCI

LHR

15h 26m

2 stops

6:50 am - 5:19 pm

LHR

MCI

16h 29m

2 stops

$850United Airlines

Fri, Nov 6 - Sun, Nov 8

4:28 pm - 12:50 pm

SGF

LHR

14h 22m

1 stop

10:50 am - 11:58 pm

LHR

SGF

19h 08m

2 stops

$869Iberia

Wed, Oct 14 - Wed, Oct 21

2:30 pm - 4:00 pm

MCI

LHR

19h 30m

2 stops

6:40 am - 10:26 pm

LHR

MCI

21h 46m

2 stops

$872Scandinavian Airlines

Mon, Nov 16 - Sun, Nov 22

6:15 pm - 12:00 pm

SGF

LHR

12h 45m

1 stop

6:50 am - 5:19 pm

LHR

SGF

16h 29m

2 stops

$872Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

4:25 pm - 1:15 pm

MCI

LHR

14h 50m

1 stop

6:30 am - 2:42 pm

LHR

MCI

14h 12m

2 stops

$873Delta

Tue, Sep 29 - Tue, Oct 20

3:03 pm - 12:00 pm

SGF

LHR

15h 57m

1 stop

6:50 am - 5:19 pm

LHR

SGF

16h 29m

2 stops

$873United Airlines

Wed, Oct 28 - Wed, Nov 4

3:36 pm - 11:40 am

MCI

LHR

14h 04m

1 stop

6:30 am - 4:54 pm

LHR

MCI

16h 24m

2 stops

$874Delta

Mon, Nov 2 - Tue, Nov 10

5:26 pm - 12:50 pm

MCI

LHR

13h 24m

1 stop

8:00 pm - 8:17 pm

LHR

MCI

30h 17m

2 stops

$879Iberia

Mon, Oct 5 - Mon, Oct 19

3:19 pm - 8:30 am

COU

LHR

11h 11m

1 stop

11:25 am - 8:33 pm

LHR

COU

15h 08m

1 stop

$941Multiple Airlines

Mon, Sep 28 - Sat, Oct 10

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American Airlines flights from Missouri to London Heathrow Airport

Our best American Airlines deals on Missouri to London Heathrow Airport flight tickets

American Airlines

Sep 28

COU8:16 amColumbia Regional

16h 39m

1 stop

LHR6:55 amLondon Heathrow

Oct 10

LHR9:45 amLondon Heathrow

17h 10m

1 stop

COU8:55 pmColumbia Regional

$942

American Airlines

Sep 15

COU6:32 pmColumbia Regional

11h 43m

1 stop

LHR12:15 pmLondon Heathrow

Sep 25

LHR8:55 amLondon Heathrow

13h 24m

1 stop

COU4:19 pmColumbia Regional

$962

American Airlines

Dec 16

SGF5:58 pmSpringfield-Branson

12h 17m

1 stop

LHR12:15 pmLondon Heathrow

Dec 22

LHR2:45 pmLondon Heathrow

13h 40m

1 stop

SGF10:25 pmSpringfield-Branson

$965

Finnair flights from Missouri to London Heathrow Airport

Our best Finnair deals on Missouri to London Heathrow Airport flight tickets

Finnair

Aug 3

MCI12:16 pmKansas City

14h 44m

1 stop

LHR9:00 amLondon Heathrow

Aug 19

LHR2:25 pmLondon Heathrow

16h 10m

1 stop

MCI12:35 amKansas City

$884

Finnair

Sep 13

STL9:40 pmLambert-St Louis

8h 00m

LHR11:40 amLondon Heathrow

Sep 22

LHR4:25 pmLondon Heathrow

9h 05m

STL7:30 pmLambert-St Louis

$1,074

Finnair

Aug 7

STL9:35 pmLambert-St Louis

8h 00m

LHR11:35 amLondon Heathrow

Aug 23

LHR12:15 pmLondon Heathrow

17h 43m

1 stop

STL11:58 pmLambert-St Louis

$1,130

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 11/6

3:25 pm-9:10 am

1 stop11h 45m

London Heathrow

Sun 11/8

6:50 am-6:38 pm

2 stops17h 48m

$846

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 11/6

11:44 am-9:10 am

2 stops15h 26m

London Heathrow

Sun 11/8

6:50 am-5:19 pm

2 stops16h 29m

$850

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/14

4:28 pm-12:50 pm

1 stop14h 22m

London Heathrow

Wed 10/21

10:50 am-11:58 pm

2 stops19h 08m

$869

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 11/16

2:30 pm-4:00 pm

2 stops19h 30m

London Heathrow

Sun 11/22

6:40 am-10:26 pm

2 stops21h 46m

$872

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/28

6:15 pm-12:00 pm

1 stop12h 45m

London Heathrow

Wed 11/4

6:50 am-5:19 pm

2 stops16h 29m

$872

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 9/29

4:25 pm-1:15 pm

1 stop14h 50m

London Heathrow

Tue 10/20

6:30 am-2:42 pm

2 stops14h 12m

$873

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/28

3:03 pm-12:00 pm

1 stop15h 57m

London Heathrow

Wed 11/4

6:50 am-5:19 pm

2 stops16h 29m

$873

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 11/2

3:36 pm-11:40 am

1 stop14h 04m

London Heathrow

Tue 11/10

6:30 am-4:54 pm

2 stops16h 24m

$874

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 10/5

5:26 pm-12:50 pm

1 stop13h 24m

London Heathrow

Mon 10/19

8:00 pm-8:17 pm

2 stops30h 17m

$879

Quickest round-trip

ColumbiaLondon

COU - LHR

COULHR

Columbia Regional

Mon 9/28

3:19 pm-8:30 am

1 stop11h 11m

London Heathrow

Sat 10/10

11:25 am-8:33 pm

1 stop15h 08m

$941

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 Heathrow Airport

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 Heathrow Airport?

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Missouri, with most prices found around $117. If you’re not able to fly to London Heathrow Airport in April, then March is your next best option. Flight prices from Missouri to London Heathrow Airport during March average around $482.

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

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $756. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,191.

What is the cheapest Missouri to London Heathrow flight route?

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

How far in advance should I book a flight from Missouri to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Missouri when booking week ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $901 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Missouri for as low as $813 on momondo.

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

There are 3 cabin classes available to choose from on Missouri to London Heathrow Airport 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 Heathrow Airport flights?

You could potentially save up to 4% on your flight if you consider stops on a Missouri to London Heathrow Airport flight.

Cheap Missouri to London Heathrow Airport flight deals and tips

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

Best Price Found	$374
Fastest flight time	8h 00m
Direct flights	Mon, Wed, Thu and Sat

The best one-way flight to London Heathrow Airport from Missouri in the past 72 hours is $374. The best round-trip flight deal from Missouri to London Heathrow Airport found on momondo in the last 72 hours is $1,072.

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

Direct flights go from Missouri to London Heathrow Airport on Monday, Wednesday, Thursday and Saturday. The only airline offering direct flights is British Airways.

Search flight deals

Frequently asked questions about flying from Missouri to London Heathrow Airport

When did momondo last update prices for flights from Missouri to London Heathrow Airport?
Prices for flights from Missouri to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Missouri to London Heathrow Airport?
As of July 2026, there are 9 operators available to choose from for flights from Missouri to London Heathrow Airport.
How old do you have to be to fly from Missouri to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Missouri to London Heathrow Airport is Boeing 787-8 Dreamliner (98.44% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (0.62%), Airbus A330-300 (0.62%), and Embraer 175 (0.16%).

Best airlines flying from Missouri to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
Iberia	PriceFrom $529	Free Cancellation	Rating 7.0 3,249 reviews	Search Iberia flights
KLM	PriceFrom $529	Free Cancellation	Rating 7.8 1,532 reviews	Search KLM flights
American Airlines	PriceFrom $532	Free Cancellation	Rating 7.1 11,768 reviews	Search American Airlines flights
Air Canada	PriceFrom $572	Free Cancellation	Rating 7.1 11,286 reviews	Search Air Canada flights
United Airlines	PriceFrom $572	Free Cancellation	Rating 7.4 9,920 reviews	Search United Airlines flights
British Airways	PriceFrom $576	Free Cancellation	Rating 6.7 8,087 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $631	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $635	Free Cancellation	Rating 6.8 8,107 reviews	Search Lufthansa flights

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Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Stratford-upon-Avon

Harrow

Slough

Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

Romford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Missouri.

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

Yes. momondo enables you to select and highlight flights to London from Missouri with this policy.

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?

Yes. momondo can track prices for Missouri to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Flights to London Gatwick Airportfrom $367

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Flights to London Southend Airportfrom $704

Flights to Belfast City Airportfrom $587

Cheap flights from Missouri to London from $317

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 8/5. 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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American Airlines flights from Missouri to London Heathrow Airport

Our best American Airlines deals on Missouri to London Heathrow Airport flight tickets

Finnair flights from Missouri to London Heathrow Airport

Our best Finnair deals on Missouri to London Heathrow Airport flight tickets

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Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Missouri to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

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

What is the cheapest Missouri to London Heathrow flight route?

How far in advance should I book a flight from Missouri to London Heathrow Airport?

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

Can stopping save me money on Missouri to London Heathrow Airport flights?

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

What airlines fly to London Heathrow Airport?

How many flights depart from Missouri to London Heathrow Airport on average per day?

How many flights depart from Missouri to London Heathrow Airport on average per week?

How long does it take to fly to London Heathrow Airport?

Cheap Missouri to London Heathrow Airport flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to London Heathrow Airport

Best airlines flying from Missouri to London Heathrow Airport

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport 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 London

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