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 23m.

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 41% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 10 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, Air Canada, and Aer Lingus are the most popular carriers operating from Missouri to London Heathrow

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 February 2026, there are 10 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.

$217 Cheap Flights from Missouri to London Heathrow Airport in 2026

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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 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

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

6:00 am - 10:00 am

MCI

LHR

22h 00m

2 stops

9:00 am - 9:59 pm

LHR

MCI

18h 59m

2 stops

$643Multiple Airlines

Sun, May 3 - Wed, May 20

1:00 pm - 8:35 am

STL

LHR

13h 35m

2 stops

6:30 am - 1:25 pm

LHR

STL

12h 55m

1 stop

$643Multiple Airlines

Wed, May 6 - Wed, May 13

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

4:49 pm - 7:10 am

STL

LHR

32h 21m

2 stops

1:25 pm - 10:59 pm

LHR

STL

15h 34m

2 stops

$649Air Canada

Mon, Feb 23 - Wed, Mar 4

6:30 am - 10:00 am

STL

LHR

21h 30m

2 stops

5:15 pm - 8:05 pm

LHR

STL

32h 50m

2 stops

$651Air Canada

Tue, May 5 - Tue, May 19

Iberia flights from Missouri to London Heathrow Airport

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

Iberia

Apr 14

SGF6:00 pmSpringfield-Branson

18h 15m

2 stops

LHR6:15 pmLondon Heathrow

Apr 29

LHR6:15 amLondon Heathrow

22h 23m

2 stops

SGF10:38 pmSpringfield-Branson

$689

Iberia

Mar 19

SGF10:39 amSpringfield-Branson

15h 11m

1 stop

LHR6:50 amLondon Heathrow

Mar 27

LHR8:20 amLondon Heathrow

19h 09m

1 stop

SGF10:29 pmSpringfield-Branson

$697

Iberia

Feb 16

MCI1:58 pmKansas City

14h 02m

1 stop

LHR10:00 amLondon Heathrow

Feb 23

LHR7:05 pmLondon Heathrow

19h 52m

2 stops

MCI8:57 amKansas City

$793

Air Canada flights from Missouri to London Heathrow Airport

Our best Air Canada deals on Missouri to London Heathrow Airport 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

LHR8:45 amLondon Heathrow

17h 20m

2 stops

STL8:05 pmLambert-St Louis

$651

Air Canada

Apr 21

STL4:05 pmLambert-St Louis

10h 30m

1 stop

LHR8:35 amLondon Heathrow

May 5

LHR5:15 pmLondon Heathrow

32h 50m

2 stops

STL8:05 pmLambert-St Louis

$655

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

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 - 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 - 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 - LHR

MCILHR

Kansas City

Sun 5/3

6:00 am-10:00 am

2 stops22h 00m

London Heathrow

Wed 5/20

9:00 am-9:59 pm

2 stops18h 59m

$643

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 5/6

1:00 pm-8:35 am

2 stops13h 35m

London Heathrow

Wed 5/13

6:30 am-1:25 pm

1 stop12h 55m

$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 - LHR

STLLHR

Lambert-St Louis

Mon 2/23

4:49 pm-7:10 am

2 stops32h 21m

London Heathrow

Wed 3/4

1:25 pm-10:59 pm

2 stops15h 34m

$649

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 5/5

6:30 am-10:00 am

2 stops21h 30m

London Heathrow

Tue 5/19

5:15 pm-8:05 pm

2 stops32h 50m

$651

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 $670. If you’re not able to fly to London Heathrow Airport in October, then April is your next best option. Flight prices from Missouri to London Heathrow Airport during April average around $700.

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 $943.

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 $858 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 $786 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 46% 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	$515
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 $515. The best round-trip flight deal from Missouri to London Heathrow Airport found on momondo in the last 72 hours is $666.

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 February 2026, there are 10 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 (95.09% of total bookings). The next most popular plane model is Boeing 787-9 Dreamliner (4.91%).

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
KLM	PriceFrom $529	Free Cancellation	Rating 7.7 1,452 reviews	Search KLM flights
Lufthansa	PriceFrom $533	Free Cancellation	Rating 6.8 7,782 reviews	Search Lufthansa flights
Air Canada	PriceFrom $572	Free Cancellation	Rating 7.1 10,717 reviews	Search Air Canada flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 7,737 reviews	Search British Airways flights
Delta	PriceFrom $577	Free Cancellation	Rating 7.9 8,193 reviews	Search Delta flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,114 reviews	Search Iberia flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 9,283 reviews	Search United Airlines flights
American Airlines	PriceFrom $596	Free Cancellation	Rating 7.2 11,277 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $602	Free Cancellation	Rating 7.3 1,682 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

Stratford-upon-Avon

Croydon

Brentwood

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

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

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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Flights to London Gatwick Airportfrom $371

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Flights to London Stansted Airportfrom $340

Flights to London Luton Airportfrom $337

Flights to Glasgow Intl Airportfrom $395

Flights to Belfast Intl Airportfrom $552

Flights to London Southend Airportfrom $452

Flights to Belfast City Airportfrom $552

Cheap flights from Missouri to London from $223

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 5/10. 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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Our best Air Canada 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 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?

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 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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According to popular flight searches on momondo this year

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