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$224+ Cheap flights from Missouri to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Missouri to Heathrow

Cheapest flights from Missouri to Heathrow
Explore the most affordable flight options available from Missouri to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:32 am
MCI
-
LHR
2 stops17h 13m
Lufthansa
Tue 3/311:10 am
LHR
-
MCI
2 stops16h 49m
Lufthansa
Deal found 1/26$619
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:50 pm
STL
-
LHR
1 stop11h 55m
Lufthansa
Fri 3/136:30 am
LHR
-
STL
1 stop13h 25m
Lufthansa
Deal found 1/27$622
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:54 am
JLN
-
LHR
1 stop15h 01m
United Airlines
Sun 3/16:50 am
LHR
-
JLN
2 stops16h 48m
United Airlines
Deal found 1/25$626
This Gotogate deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:05 pm
STL
-
LHR
1 stop32h 30m
Multiple Airlines
Wed 4/226:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 1/25$629
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:37 pm
MCI
-
LHR
1 stop12h 03m
United Airlines
Tue 3/311:10 am
LHR
-
MCI
2 stops16h 49m
United Airlines
Deal found 1/26$630
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:00 pm
MCI
-
LHR
1 stop14h 00m
Delta
Sat 3/76:30 am
LHR
-
MCI
2 stops14h 56m
Delta
Deal found 1/26$631
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:22 pm
MCI
-
LHR
1 stop13h 53m
United Airlines
Tue 3/106:50 am
LHR
-
MCI
2 stops18h 51m
United Airlines
Deal found 1/27$633
This Cheapflightsfares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:50 pm
STL
-
LHR
1 stop19h 00m
Lufthansa
Thu 3/126:30 am
LHR
-
STL
2 stops16h 30m
Lufthansa
Deal found 1/25$633
This Virgin Atlantic deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:43 am
MCI
-
LHR
1 stop13h 42m
Virgin Atlantic
Thu 3/511:45 am
LHR
-
MCI
2 stops15h 22m
Virgin Atlantic
Deal found 1/27$634
This Gotogate deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:30 pm
STL
-
LHR
1 stop14h 30m
Multiple Airlines
Tue 9/296:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 1/25$634
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
MCI
-
LHR
2 stops19h 20m
Multiple Airlines
Tue 3/107:30 am
LHR
-
MCI
2 stops18h 11m
Multiple Airlines
Deal found 1/27$635
This Gotogate deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:30 pm
STL
-
LHR
1 stop11h 00m
Multiple Airlines
Wed 10/216:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 1/27$635

Find flight deals from Missouri to Heathrow

Keep the following information in mind while searching for Missouri to Heathrow flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$619
(Cheapflightsfares)

One-way from

$224
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$714

Good round-trip deal

$679 or less

Good one-way deal

$459 or less
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-London (LON) flights.
Search Deals
From Missouri to London Heathrow
Search Deals
One-way flight from Missouri to London Heathrow
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Missouri to London Heathrow.
Search Deals
Price to beat on a one-way flight from Missouri to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

Fly from

Missouri

Fly to

Heathrow

Route

Depart

Return

Price

JoplinLondon

JLN - LHR

JLNLHR

Joplin

Wed 2/25

8:54 am-5:55 am

1 stop15h 01m

London Heathrow

Sun 3/1

6:50 am-5:38 pm

2 stops16h 48m

$626

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 2/24

3:22 pm-7:55 am

1 stop10h 33m

London Heathrow

Tue 3/3

6:50 am-5:33 pm

2 stops16h 43m

$630

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 2/28

1:00 pm-9:00 am

1 stop14h 00m

London Heathrow

Sat 3/7

6:30 am-3:26 pm

2 stops14h 56m

$631

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Thu 3/5

8:05 am-6:25 am

1 stop16h 20m

London Heathrow

Thu 3/12

6:30 am-4:55 pm

2 stops15h 25m

$631

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Thu 2/26

10:43 am-6:25 am

1 stop13h 42m

London Heathrow

Thu 3/5

11:45 am-9:07 pm

2 stops15h 22m

$634

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 3/9

1:15 pm-8:25 am

2 stops14h 10m

London Heathrow

Tue 3/17

6:50 am-8:41 pm

2 stops18h 51m

$635

JoplinLondon

JLN - LHR

JLNLHR

Joplin

Wed 5/6

2:28 pm-12:20 pm

1 stop15h 52m

London Heathrow

Tue 5/12

6:50 am-1:37 pm

2 stops36h 47m

$641

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 2/23

9:55 am-7:55 am

1 stop16h 00m

London Heathrow

Fri 3/6

6:30 am-1:55 pm

1 stop13h 25m

$643

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 4/15

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Tue 4/21

6:30 am-2:30 pm

2 stops14h 00m

$646

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 5/6

3:03 pm-1:15 pm

1 stop16h 12m

London Heathrow

Wed 5/13

6:30 am-4:42 pm

2 stops16h 12m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 57 results
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Best time to book a flight from Missouri to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to London Heathrow Airport

What is the cheapest month to book a flight from Missouri to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of $517). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of $1,000). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Missouri to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to London Heathrow Airport?

    Departing from Missouri to London Heathrow Airport will take you 13h 42m. The distance from Missouri to London Heathrow Airport is about 4325 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $224 on American Airlines. Other airlines that offer cheap prices include Delta from $254 and British Airways from $397 one-way.

  • What are the most popular routes from Missouri to London Heathrow Airport?

    When deciding which route to take from Missouri to London Heathrow Airport consider Lambert-St Louis - London Heathrow, Kansas City - London Heathrow or Springfield-Branson - London Heathrow as they are the most popular.

  • What are the cheapest flights from Missouri to London Heathrow Airport?

    Looking for the cheapest flight from Missouri to London Heathrow Airport? While on average our users pay $670, our data indicates the cheapest price to be $315. The most popular route (Lambert-St Louis - London Heathrow), is priced around $614.

  • Can I find deals for flights from Missouri to Heathrow that include hotel bookings?

    Yes. In addition to deals on Missouri to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Heathrow.

  • Can I find deals for business class flights from Missouri to Heathrow?

    Yes. Cheapflights offers flight deals from Missouri to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of $517). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of $1,000). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Philadelphia to Heathrow flights
Newark to Stansted flights
Dulles Intl to London City flights
Dulles Intl to Stansted flights
O'Hare Intl to Gatwick flights
Newark to London City flights
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Boston to Stansted flights
Los Angeles to Gatwick flights
O'Hare Intl to London City flights
Baltimore to Gatwick flights
Newark to Luton flights
San Francisco to Gatwick flights
Tampa to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
Dallas/Fort Worth to Gatwick flights
George Bush Intcntl to Heathrow flights
Austin to Heathrow flights
Detroit to Heathrow flights
Los Angeles to Stansted flights
Los Angeles to London City flights
Charlotte to Heathrow flights
San Francisco to London City flights

Top 10 airlines flying from Missouri to Heathrow

Discover the top 10 airlines that operate flights from Missouri to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$529Average$788FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$533Average$877FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$565Average$1,012FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$573Average$969FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$575Average$893FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$939FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$580Average$928FlexibilityNo cancel feeOn-time69%
IberiaCheapest$597Average$981FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$602Average$1,102FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$615Average$846FlexibilityNo cancel feeOn-time72%

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