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 40% 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, SWISS, and Lufthansa are the most popular carriers operating from Missouri to London Heathrow

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 Columbia and into London Heathrow Airport, then the flight time is around 11h 25m.

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 March 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.

$305 Cheap Flights from Missouri to London Heathrow Airport in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

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

6:00 am - 10:00 am

MCI

LHR

22h 00m

2 stops

6:50 am - 3:52 pm

LHR

MCI

15h 02m

2 stops

$750United Airlines

Wed, Sep 9 - Fri, Sep 11

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

3:30 pm - 5:40 pm

STL

LHR

20h 10m

1 stop

10:50 am - 9:13 pm

LHR

STL

16h 23m

2 stops

$791Lufthansa

Wed, Apr 8 - Thu, Apr 16

3:30 pm - 4:40 pm

STL

LHR

19h 10m

1 stop

6:30 am - 1:25 pm

LHR

STL

12h 55m

1 stop

$792Lufthansa

Wed, Sep 2 - Fri, Sep 11

6:55 pm - 6:40 pm

STL

LHR

17h 45m

2 stops

10:50 am - 9:13 pm

LHR

STL

16h 23m

2 stops

$795Lufthansa

Sun, Apr 19 - Thu, Apr 30

3:36 pm - 5:40 pm

MCI

LHR

20h 04m

2 stops

6:40 pm - 11:03 pm

LHR

MCI

34h 23m

2 stops

$807Scandinavian Airlines

Mon, Sep 7 - Thu, Sep 17

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

Lufthansa flights from Missouri to London Heathrow Airport

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

Lufthansa

Apr 8

STL3:30 pmLambert-St Louis

20h 10m

1 stop

LHR5:40 pmLondon Heathrow

Apr 16

LHR10:50 amLondon Heathrow

16h 23m

2 stops

STL9:13 pmLambert-St Louis

$791

Lufthansa

Sep 2

STL3:30 pmLambert-St Louis

19h 10m

1 stop

LHR4:40 pmLondon Heathrow

Sep 11

LHR6:30 amLondon Heathrow

12h 55m

1 stop

STL1:25 pmLambert-St Louis

$792

Lufthansa

Apr 19

STL6:55 pmLambert-St Louis

17h 45m

2 stops

LHR6:40 pmLondon Heathrow

Apr 30

LHR10:50 amLondon Heathrow

16h 23m

2 stops

STL9:13 pmLambert-St Louis

$795

British Airways flights from Missouri to London Heathrow Airport

Our best British Airways deals on Missouri to London Heathrow Airport flight tickets

British Airways

Apr 26

STL9:40 pmLambert-St Louis

8h 00m

LHR11:40 amLondon Heathrow

May 12

LHR7:00 amLondon Heathrow

18h 31m

2 stops

STL7:31 pmLambert-St Louis

$828

British Airways

Apr 14

STL4:30 pmLambert-St Louis

10h 35m

1 stop

LHR9:05 amLondon Heathrow

Apr 21

LHR4:25 pmLondon Heathrow

9h 05m

STL7:30 pmLambert-St Louis

$829

British Airways

Apr 22

STL2:12 pmLambert-St Louis

10h 43m

1 stop

LHR6:55 amLondon Heathrow

Apr 29

LHR4:25 pmLondon Heathrow

9h 05m

STL7:30 pmLambert-St Louis

$830

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

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 - 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

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 9/9

6:00 am-10:00 am

2 stops22h 00m

London Heathrow

Fri 9/11

6:50 am-3:52 pm

2 stops15h 02m

$750

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

Wed 4/8

3:30 pm-5:40 pm

1 stop20h 10m

London Heathrow

Thu 4/16

10:50 am-9:13 pm

2 stops16h 23m

$791

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 9/2

3:30 pm-4:40 pm

1 stop19h 10m

London Heathrow

Fri 9/11

6:30 am-1:25 pm

1 stop12h 55m

$792

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 4/19

6:55 pm-6:40 pm

2 stops17h 45m

London Heathrow

Thu 4/30

10:50 am-9:13 pm

2 stops16h 23m

$795

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 9/7

3:36 pm-5:40 pm

2 stops20h 04m

London Heathrow

Thu 9/17

6:40 pm-11:03 pm

2 stops34h 23m

$807

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

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 October is, on average, the cheapest month to fly to London Heathrow Airport from Missouri, with most prices found around $671. If you’re not able to fly to London Heathrow Airport in October, then November is your next best option. Flight prices from Missouri to London Heathrow Airport during November average around $709.

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

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $688. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,050.

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 to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport 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 Heathrow Airport from Missouri for as low as $756 on momondo.

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

There are 3 cabin classes available to choose from on Missouri to London Heathrow 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 32% 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	$538
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 $538. The best round-trip flight deal from Missouri to London Heathrow Airport found on momondo in the last 72 hours is $884.

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. There are no airlines offering direct flights.

Search flight deals

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 March 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 (95.64% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (3.79%), Airbus A330-300 (0.46%), and Embraer 175 (0.11%).

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 7.9 8,358 reviews	Search Delta flights
KLM	PriceFrom $529	Free Cancellation	Rating 7.8 1,479 reviews	Search KLM flights
Lufthansa	PriceFrom $533	Free Cancellation	Rating 6.8 7,874 reviews	Search Lufthansa flights
American Airlines	PriceFrom $563	Free Cancellation	Rating 7.1 11,523 reviews	Search American Airlines flights
Air Canada	PriceFrom $572	Free Cancellation	Rating 7.1 10,861 reviews	Search Air Canada flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 7,830 reviews	Search British Airways flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,160 reviews	Search Iberia flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 9,510 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

Stratford-upon-Avon

Wembley

Hayes

Croydon

Dartford

Brentwood

Guildford

Harrow

Cobham

Folkestone

Romford

Stansted

Watford

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.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $431

Flights to London City Airportfrom $674

Flights to London Stansted Airportfrom $467

Flights to London Luton Airportfrom $518

Flights to Glasgow Intl Airportfrom $524

Flights to Belfast Intl Airportfrom $669

Flights to London Southend Airportfrom $650

Flights to Belfast City Airportfrom $669

Cheap flights from Missouri to London from $305

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 9/16. 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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Lufthansa flights from Missouri to London Heathrow Airport

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

British Airways flights from Missouri to London Heathrow Airport

Our best British Airways deals on Missouri to London Heathrow Airport flight tickets

momondo Fare Finder

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 to London Heathrow Airport?

What cabin class options are available on Missouri to London Heathrow 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 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

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

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According to popular flight searches on momondo this year

London Heathrow Airport flight routes

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

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