Find flights
Deals
When to book
FAQs

Cheap flights from Missouri to London Heathrow Airport from £247

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
8 May — 15 May1
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 8 April 2026.

Mon 7/918:36
MCI
-
LHR
2 stops17h 49m
Lufthansa
Wed 9/908:30
LHR
-
MCI
2 stops16h 47m
Lufthansa
Deal found 5/4£548
Mon 7/1206:00
SGF
-
LHR
1 stop17h 55m
United Airlines
Tue 8/1211:05
LHR
-
SGF
2 stops40h 18m
United Airlines
Deal found 5/4£554
Mon 7/911:20
MCI
-
LHR
1 stop18h 35m
United Airlines
Wed 9/906:50
LHR
-
MCI
2 stops15h 02m
United Airlines
Deal found 5/4£563
Tue 1/916:20
MCI
-
LHR
1 stop35h 50m
United Airlines
Fri 4/906:50
LHR
-
MCI
2 stops15h 02m
United Airlines
Deal found 6/4£567
Wed 2/1206:10
MCI
-
LHR
2 stops19h 00m
United Airlines
Thu 3/1209:30
LHR
-
MCI
2 stops20h 07m
United Airlines
Deal found 4/4£575
Tue 3/1110:10
MCI
-
LHR
2 stops17h 10m
Scandinavian Airlines
Tue 17/1119:30
LHR
-
MCI
2 stops32h 56m
Scandinavian Airlines
Deal found 5/4£607
Wed 21/1009:59
MCI
-
LHR
2 stops22h 36m
Scandinavian Airlines
Fri 30/1006:40
LHR
-
MCI
2 stops22h 18m
Scandinavian Airlines
Deal found 3/4£608
Tue 29/909:59
MCI
-
LHR
2 stops24h 01m
Scandinavian Airlines
Tue 6/1006:40
LHR
-
MCI
2 stops22h 20m
Scandinavian Airlines
Deal found 7/4£620
Mon 5/1015:42
STL
-
LHR
2 stops19h 58m
Scandinavian Airlines
Fri 16/1006:40
LHR
-
STL
2 stops22h 59m
Scandinavian Airlines
Deal found 4/4£620
Mon 4/509:36
MCI
-
LHR
2 stops24h 24m
Scandinavian Airlines
Sat 9/506:40
LHR
-
MCI
2 stops23h 09m
Scandinavian Airlines
Deal found 3/4£621
Wed 21/1009:59
MCI
-
LHR
2 stops24h 01m
Scandinavian Airlines
Wed 28/1006:40
LHR
-
MCI
2 stops22h 18m
Scandinavian Airlines
Deal found 6/4£624
Fri 30/1015:30
SGF
-
LHR
2 stops36h 50m
Scandinavian Airlines
Mon 2/1106:40
LHR
-
SGF
2 stops21h 52m
Scandinavian Airlines
Deal found 3/4£624

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 8 April 2026.

Round-trip from

£548

One-way from

£247

Popular in

June

Cheapest in

January

Average price

£560

Good round-trip deal

£930 or less
Lufthansa
  • Lufthansa
  • 7/9-9/9
  • 4 total stops
  • 34h 36m total
  • Missouri to London
Search Deals
British Airways
  • British Airways
  • 28/9
  • 1 total stop
  • 10h 26m 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 (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Missouri to London Heathrow.
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 8 April 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

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 19/8

09:00-11:50

2 stops20h 50m

London Heathrow

Tue 25/8

06:50-15:38

2 stops14h 48m

£655

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 5/5

13:02-10:20

2 stops15h 18m

London Heathrow

Tue 19/5

09:55-21:09

2 stops17h 14m

£661

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 13/9

11:20-06:30

2 stops13h 10m

London Heathrow

Thu 24/9

13:40-22:07

1 stop14h 27m

£683

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 6/9

10:45-07:10

1 stop14h 25m

London Heathrow

Sat 19/9

06:30-16:55

2 stops16h 25m

£695

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 1/5

10:25-06:55

2 stops14h 30m

London Heathrow

Fri 8/5

06:50-16:39

2 stops15h 49m

£699

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 17/8

18:35-15:40

2 stops15h 05m

London Heathrow

Mon 24/8

07:25-18:00

2 stops16h 35m

£704

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 12/5

06:25-10:00

2 stops21h 35m

London Heathrow

Tue 19/5

06:50-18:39

2 stops17h 49m

£707
Fastest return journey

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 5/5

18:56-11:55

1 stop10h 59m

London Heathrow

Tue 12/5

11:05-17:20

1 stop12h 15m

£726

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 12/5

11:20-06:55

2 stops13h 35m

London Heathrow

Wed 20/5

11:05-22:32

2 stops17h 27m

£729

JoplinLondon

JLN - LHR

JLNLHR

Joplin

Mon 7/9

13:54-11:50

2 stops15h 56m

London Heathrow

Fri 18/9

08:30-13:18

2 stops34h 48m

£729

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 56 resultsSorted by cheapest first
1
2
3
...
6

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 £770). 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 15h 18m. The distance from Missouri to London Heathrow Airport is about 4186 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.

  • 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 £930, our data indicates the cheapest price to be £669. The most popular route (Lambert-St Louis - London Heathrow), is priced around £630.

  • 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 £770). 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
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Stansted flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
LaGuardia to Gatwick flights
Baltimore to Heathrow flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Newark to Stansted flights
Seattle to Heathrow flights
Boston to Gatwick flights
Newark to Luton flights
Newark to London City flights
Los Angeles to Gatwick flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
LaGuardia to Stansted flights
Boston to London City flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
Miami to Heathrow flights
Boston to Stansted flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Los Angeles to Stansted flights
Orlando to Gatwick flights
Denver to Heathrow flights
George Bush Intcntl to Heathrow flights
Philadelphia to Heathrow flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Tampa to Heathrow flights
San Francisco to Stansted flights
San Francisco to London City 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 8 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£414Average£578FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£437Average£634FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£482Average£939FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.