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Cheap flights from Missouri to London Heathrow Airport from £207

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Heathrow

Enter your travel dates to find the best prices.

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 17 March 2026.

Wed 2/1206:00
SGF
-
LHR
1 stop17h 55m
United Airlines
Thu 3/1211:05
LHR
-
SGF
2 stops43h 52m
United Airlines
Deal found 12/3£478
Mon 9/1118:02
JLN
-
LHR
2 stops56h 28m
United Airlines
Fri 13/1106:50
LHR
-
JLN
2 stops22h 29m
United Airlines
Deal found 12/3£519
Sun 3/513:00
STL
-
LHR
1 stop15h 00m
Air Canada
Tue 12/506:50
LHR
-
STL
2 stops19h 35m
Air Canada
Deal found 16/3£542
Mon 21/915:36
MCI
-
LHR
2 stops35h 44m
Scandinavian Airlines
Mon 5/1019:30
LHR
-
MCI
2 stops33h 30m
Scandinavian Airlines
Deal found 15/3£551
Wed 29/416:05
STL
-
LHR
1 stop13h 45m
Air Canada
Wed 6/508:40
LHR
-
STL
2 stops17h 45m
Air Canada
Deal found 15/3£556
Tue 28/416:05
STL
-
LHR
1 stop13h 45m
Air Canada
Tue 5/517:15
LHR
-
STL
2 stops33h 10m
Air Canada
Deal found 14/3£556
Mon 5/1018:49
STL
-
LHR
2 stops17h 36m
Lufthansa
Fri 16/1006:30
LHR
-
STL
1 stop12h 55m
Lufthansa
Deal found 15/3£557
Mon 5/1013:30
STL
-
LHR
2 stops22h 10m
Scandinavian Airlines
Fri 16/1006:40
LHR
-
STL
2 stops22h 59m
Scandinavian Airlines
Deal found 17/3£559
Tue 28/416:05
STL
-
LHR
1 stop10h 30m
Multiple Airlines
Wed 20/508:40
LHR
-
STL
2 stops17h 45m
Multiple Airlines
Deal found 14/3£559
Mon 5/1015:42
STL
-
LHR
2 stops19h 58m
Scandinavian Airlines
Sat 24/1006:40
LHR
-
STL
2 stops22h 59m
Scandinavian Airlines
Deal found 15/3£560
Tue 6/1015:30
STL
-
LHR
1 stop13h 10m
Lufthansa
Tue 13/1006:30
LHR
-
STL
1 stop12h 55m
Lufthansa
Deal found 15/3£562
Tue 8/915:30
STL
-
LHR
1 stop13h 10m
Lufthansa
Wed 16/906:30
LHR
-
STL
1 stop12h 55m
Lufthansa
Deal found 13/3£562

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 17 March 2026.

Round-trip from

£542

One-way from

£207

Popular in

June

Cheapest in

January

Average price

£567
Air Canada
  • Air Canada
  • 3/5-12/5
  • 3 total stops
  • 34h 35m total
  • Missouri to London
Search Deals
Iberia
  • Iberia
  • 24/8
  • 1 total stop
  • 12h 00m total
  • Missouri to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£169 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 17 March 2026.
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 return flight

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 19/8

17:22-12:20

1 stop12h 58m

London Heathrow

Wed 2/9

06:50-15:52

2 stops15h 02m

£583

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 18/8

15:14-09:00

1 stop11h 46m

London Heathrow

Thu 27/8

14:05-19:17

2 stops35h 12m

£591

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 30/3

18:05-09:40

1 stop33h 35m

London Heathrow

Tue 14/4

17:40-15:25

1 stop27h 45m

£593

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 6/5

13:00-06:30

1 stop11h 30m

London Heathrow

Wed 20/5

14:05-20:25

1 stop12h 20m

£599

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 10/4

06:32-07:10

1 stop18h 38m

London Heathrow

Wed 15/4

06:30-16:50

2 stops16h 20m

£620

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 13/4

10:50-08:50

2 stops16h 00m

London Heathrow

Tue 28/4

11:45-23:36

2 stops17h 51m

£622

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 23/4

11:42-10:20

2 stops16h 38m

London Heathrow

Tue 28/4

06:30-14:29

2 stops13h 59m

£623

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 6/9

05:40-10:00

2 stops22h 20m

London Heathrow

Sun 13/9

07:25-18:00

2 stops16h 35m

£625

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 29/4

07:00-13:20

2 stops24h 20m

London Heathrow

Tue 12/5

06:50-16:24

2 stops15h 34m

£626

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 26/4

09:31-07:10

2 stops15h 39m

London Heathrow

Tue 5/5

06:30-17:00

2 stops16h 30m

£632

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 59 resultsSorted by cheapest first
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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 return 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 £396). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of £769). 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 for a return flight 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 12h 58m. The distance from Missouri to London Heathrow Airport is about 4325 mi. This flight may include one or multiple stops.

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

    The most popular route from Missouri to London Heathrow Airport is Lambert-St Louis - London Heathrow. You may also consider Kansas City - London Heathrow or Springfield-Branson - London Heathrow.

  • 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 holiday 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 £396). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of £769). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
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John F Kennedy Intl to London City flights
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O'Hare Intl to Heathrow flights
LaGuardia to Gatwick flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Newark to Stansted flights
Boston to Gatwick flights
Newark to Luton flights
Newark to London City flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Boston to London City flights
Miami to Heathrow flights
LaGuardia to Stansted flights
Dulles Intl to London City flights
Boston to Stansted flights
Los Angeles to Stansted flights
Philadelphia to Heathrow flights
Denver to Heathrow flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Raleigh to Heathrow flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Seattle to Gatwick flights

Top 3 airlines flying from Missouri to Heathrow

Discover the top 3 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 858,174 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£413Average£577FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£436Average£683FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£482Average£938FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Missouri to Heathrow?

Cheapflights helps you search for flights from Missouri to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Missouri to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Missouri.

Can Cheapflights find flights from Missouri to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Missouri shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Missouri to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Missouri to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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