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

Lufthansa, Finnair, and WestJet are the most popular carriers operating from London Heathrow to Missouri

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

There is 1 operator available for flights from London Heathrow Airport to Missouri as of December 2025.

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

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 London Heathrow Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$439 Cheap Flights from London Heathrow Airport to Missouri in 2025/26

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Find the cheapest flights from London Heathrow Airport to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:45 pm - 3:29 pm

LHR

STL

55h 44m2 stops

4:05 pm - 11:20 am

STL

LHR

13h 15m1 stop

$591Multiple Airlines

Thu, Jan 22 - Mon, Jan 26

8:05 pm - 3:29 pm

LHR

STL

49h 24m2 stops

12:44 pm - 6:40 am

STL

LHR

11h 56m1 stop

$592Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

4:00 pm - 11:59 pm

LHR

STL

13h 59m1 stop

11:22 am - 8:25 am

STL

LHR

15h 03m1 stop

$608Austrian Airlines

Thu, Jan 22 - Mon, Jan 26

11:10 am - 10:58 pm

LHR

STL

17h 48m2 stops

9:57 am - 6:40 am

STL

LHR

14h 43m2 stops

$620United Airlines

Sun, Feb 1 - Sun, Feb 8

8:30 am - 7:27 pm

LHR

STL

16h 57m2 stops

1:15 pm - 9:10 am

STL

LHR

13h 55m2 stops

$622United Airlines

Thu, Jan 22 - Mon, Jan 26

6:50 am - 4:03 pm

LHR

STL

15h 13m2 stops

1:15 pm - 7:55 am

STL

LHR

12h 40m1 stop

$623United Airlines

Thu, Jan 22 - Mon, Jan 26

8:20 am - 4:14 pm

LHR

STL

13h 54m1 stop

3:37 pm - 10:00 am

STL

LHR

12h 23m1 stop

$644British Airways

Tue, Jan 13 - Fri, Jan 23

8:20 am - 4:14 pm

LHR

STL

13h 54m1 stop

3:37 pm - 10:00 am

STL

LHR

12h 23m1 stop

$646British Airways

Tue, Jan 13 - Fri, Jan 23

4:00 pm - 11:59 pm

LHR

STL

13h 59m1 stop

4:49 pm - 11:15 am

STL

LHR

12h 26m1 stop

$652United Airlines

Thu, Jan 22 - Mon, Jan 26

4:00 pm - 11:59 pm

LHR

STL

13h 59m1 stop

3:50 pm - 9:45 am

STL

LHR

11h 55m1 stop

$654Lufthansa

Wed, Jan 7 - Wed, Jan 14

Scandinavian Airlines flights from London Heathrow Airport to Missouri

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

Scandinavian Airlines

Feb 5

LHR6:40 amLondon Heathrow

23h 11m

2 stops

MCI11:51 pmKansas City

Feb 19

MCI1:23 pmKansas City

23h 07m

2 stops

LHR6:30 pmLondon Heathrow

$825

Find similar

Scandinavian Airlines

Feb 5

LHR6:40 amLondon Heathrow

23h 11m

2 stops

MCI11:51 pmKansas City

Feb 19

MCI1:23 pmKansas City

23h 07m

2 stops

LHR6:30 pmLondon Heathrow

$826

Find similar

Scandinavian Airlines

Feb 16

LHR6:40 amLondon Heathrow

23h 14m

2 stops

MCI11:54 pmKansas City

Feb 22

MCI9:59 amKansas City

17h 21m

2 stops

LHR9:20 amLondon Heathrow

$827

Find similar

Iberia flights from London Heathrow Airport to Missouri

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

Iberia

Jan 31

LHR7:30 amLondon Heathrow

16h 43m

2 stops

STL6:13 pmLambert-St Louis

Feb 7

STL9:25 amLambert-St Louis

18h 35m

1 stop

LHR10:00 amLondon Heathrow

$713

Find similar

Iberia

Mar 17

LHR5:25 pmLondon Heathrow

35h 46m

2 stops

MCI12:11 amKansas City

Mar 28

MCI1:58 pmKansas City

18h 27m

1 stop

LHR1:25 pmLondon Heathrow

$1,027

Find similar

Iberia

Apr 12

LHR8:00 pmLondon Heathrow

33h 40m

2 stops

MCI11:40 pmKansas City

Apr 20

MCI12:12 pmKansas City

24h 03m

2 stops

LHR6:15 pmLondon Heathrow

$1,034

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 1/22

1:45 pm-3:29 pm

2 stops55h 44m

Lambert-St Louis

Mon 1/26

4:05 pm-11:20 am

1 stop13h 15m

$591

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 2/1

8:05 pm-3:29 pm

2 stops49h 24m

Lambert-St Louis

Sun 2/8

12:44 pm-6:40 am

1 stop11h 56m

$592

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 1/22

4:00 pm-11:59 pm

1 stop13h 59m

Lambert-St Louis

Mon 1/26

11:22 am-8:25 am

1 stop15h 03m

$608

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 2/1

11:10 am-10:58 pm

2 stops17h 48m

Lambert-St Louis

Sun 2/8

9:57 am-6:40 am

2 stops14h 43m

$620

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 1/22

8:30 am-7:27 pm

2 stops16h 57m

Lambert-St Louis

Mon 1/26

1:15 pm-9:10 am

2 stops13h 55m

$622

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 1/22

6:50 am-4:03 pm

2 stops15h 13m

Lambert-St Louis

Mon 1/26

1:15 pm-7:55 am

1 stop12h 40m

$623

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 1/13

8:20 am-4:14 pm

1 stop13h 54m

Lambert-St Louis

Fri 1/23

3:37 pm-10:00 am

1 stop12h 23m

$644

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 1/13

8:20 am-4:14 pm

1 stop13h 54m

Lambert-St Louis

Fri 1/23

3:37 pm-10:00 am

1 stop12h 23m

$646

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 1/22

4:00 pm-11:59 pm

1 stop13h 59m

Lambert-St Louis

Mon 1/26

4:49 pm-11:15 am

1 stop12h 26m

$652

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 1/7

4:00 pm-11:59 pm

1 stop13h 59m

Lambert-St Louis

Wed 1/14

3:50 pm-9:45 am

1 stop11h 55m

$654

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 London Heathrow Airport to Missouri

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

What is the cheapest month to fly to Missouri?

In general, February is the cheapest month to fly from London Heathrow Airport to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $754. If you aren’t able to travel to Missouri during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $857.

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

The cheapest day to depart from London Heathrow Airport to Missouri is on a Thursday when prices can be found for as low as $962. Flights from London Heathrow Airport to Missouri on a Saturday will generally be more expensive and average around $1,586. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is at noon. momondo users have found flights departing from London Heathrow Airport to Missouri at noon for as low as $1,141. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $1,336. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Missouri flight route?

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

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

You are more likely to see cheaper flights to Missouri from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $978 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from London Heathrow Airport for as low as $851 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow to Missouri 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 London Heathrow Airport to Missouri flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Missouri.

Cheap London Heathrow Airport to Missouri flight deals and tips

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

Fastest flight time	9h 05m
Direct flights	Mon, Wed, Thu and Sat
Airports in Missouri	55 airports

The fastest flight from London Heathrow Airport to Missouri takes 9h 05m

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

There are 55 airports in Missouri. From London Heathrow Airport there are direct flights to Lambert-St Louis (STL).

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When did momondo last update prices for flights from London Heathrow Airport to Missouri?
Prices for flights from London Heathrow Airport to Missouri refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Missouri?
There is 1 operator available for flights from London Heathrow Airport to Missouri as of December 2025.
How old do you have to be to fly from London Heathrow Airport to Missouri?
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 London Heathrow Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Missouri?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Missouri is Boeing 787-8 Dreamliner (100.00% of total bookings).

Best airlines flying from London Heathrow Airport to Missouri

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,585 reviews		Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Missouri. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Missouri from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Missouri 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 London to Missouri right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Missouri 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.