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Cheap flights from London Heathrow Airport to Missouri from £289

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
5 Apr — 12 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Missouri

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Missouri
Explore the most affordable flight options available from Heathrow to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 March 2026.

Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 23/912:47
STL
-
LHR
1 stop12h 08m
British Airways
Deal found 4/3£527
Tue 21/412:30
LHR
-
STL
1 stop12h 59m
British Airways
Wed 29/420:03
STL
-
LHR
1 stop10h 12m
British Airways
Deal found 5/3£531
Wed 15/409:45
LHR
-
STL
1 stop12h 15m
British Airways
Wed 22/414:33
STL
-
LHR
1 stop11h 07m
British Airways
Deal found 1/3£533
Wed 13/516:25
LHR
-
STL
Nonstop9h 05m
Finnair
Tue 19/505:24
STL
-
LHR
1 stop21h 36m
Finnair
Deal found 4/3£537
Mon 13/409:45
LHR
-
STL
1 stop12h 15m
Finnair
Tue 21/421:35
STL
-
LHR
Nonstop8h 00m
Finnair
Deal found 4/3£541
Tue 21/418:05
LHR
-
STL
2 stops29h 07m
Finnair
Wed 29/414:12
STL
-
LHR
1 stop12h 53m
Finnair
Deal found 5/3£542
Wed 2/910:05
LHR
-
STL
2 stops16h 14m
Finnair
Wed 23/909:32
STL
-
LHR
1 stop15h 23m
Finnair
Deal found 3/3£543
Wed 20/509:20
LHR
-
STL
1 stop12h 50m
Delta
Thu 28/510:15
STL
-
LHR
1 stop14h 55m
Delta
Deal found 4/3£545
Wed 15/414:45
LHR
-
STL
1 stop13h 32m
American Airlines
Tue 21/418:11
STL
-
LHR
1 stop11h 59m
American Airlines
Deal found 4/3£546
Wed 11/1106:40
LHR
-
MCI
2 stops21h 46m
Scandinavian Airlines
Mon 16/1112:04
MCI
-
LHR
2 stops23h 36m
Scandinavian Airlines
Deal found 6/3£594
Sat 12/917:00
LHR
-
MCI
2 stops35h 22m
Scandinavian Airlines
Wed 23/909:59
MCI
-
LHR
2 stops25h 41m
Scandinavian Airlines
Deal found 3/3£597
Wed 28/1006:40
LHR
-
SGF
2 stops20h 52m
Scandinavian Airlines
Sun 1/1106:00
SGF
-
LHR
2 stops45h 20m
Scandinavian Airlines
Deal found 5/3£637

Find flight deals from Heathrow to Missouri

Keep the following information in mind while searching for Heathrow to Missouri flight deals. Data was last updated 6 March 2026.

Round-trip from

£527

One-way from

£289

Popular in

July

Cheapest in

March

Average price

£558

Good round-trip deal

£568 or less
British Airways
  • British Airways
  • 2/9-23/9
  • 1 total stop
  • 21h 13m total
  • London to Missouri
Search Deals
27/4
  • 27/4
  • 3 total stops
  • 38h 35m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Missouri.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Missouri 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 6 March 2026.
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

Cheapest return flight

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 20/4

09:15-19:29

1 stop16h 14m

Lambert-St Louis

Thu 30/4

13:29-07:50

1 stop12h 21m

£546

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 30/4

09:45-16:41

1 stop12h 56m

Lambert-St Louis

Thu 7/5

11:45-08:00

1 stop14h 15m

£590

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 20/4

09:55-20:44

2 stops16h 49m

Lambert-St Louis

Thu 30/4

10:50-07:10

1 stop14h 20m

£593

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 25/4

12:00-19:30

1 stop13h 30m

Lambert-St Louis

Thu 30/4

18:55-12:50

1 stop11h 55m

£620

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 24/4

16:25-19:30

Nonstop9h 05m

Lambert-St Louis

Fri 8/5

06:00-06:20

1 stop18h 20m

£633

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 30/4

11:45-23:36

2 stops17h 51m

Lambert-St Louis

Sun 31/5

16:20-14:35

1 stop16h 15m

£659

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 19/5

06:30-16:10

2 stops15h 40m

Lambert-St Louis

Thu 28/5

06:45-07:10

1 stop18h 25m

£689

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 2/4

14:45-21:11

1 stop12h 26m

Lambert-St Louis

Sun 5/4

18:33-07:40

1 stop31h 07m

£707

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 26/5

15:15-23:59

1 stop14h 44m

Lambert-St Louis

Mon 1/6

13:05-09:15

2 stops14h 10m

£727

LondonSpringfield

LHR - SGF

LHRSGF

London Heathrow

Fri 5/6

11:25-20:43

1 stop15h 18m

Springfield-Branson

Tue 9/6

11:17-09:00

1 stop15h 43m

£739

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 55 resultsSorted by cheapest first
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6

Best time to book a flight from Heathrow to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Heathrow 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 London Heathrow Airport to Missouri

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Missouri (average of £408). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £632). 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 London Heathrow Airport to Missouri?

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated 6 March 2026.
See what other customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines from London Heathrow Airport to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,370 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
680 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,403 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,833 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,777 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Missouri. 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 London Heathrow Airport to Missouri?

    There are many flights that can get you from London Heathrow Airport to Missouri in 12h 56m. Fly via Finnair, British Airways, or Delta to get the fastest option. There are 4186 mi between London Heathrow Airport and Missouri. Both multi-stop and direct flights can be found to your destination and back.

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

    £344 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on United Airlines and Finnair, with prices starting from £360 and £364, respectively.

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

    Most travelers choose London Heathrow - Lambert-St Louis, London Heathrow - Kansas City or London Heathrow - Springfield-Branson when deciding on the best route from London Heathrow Airport to Missouri.

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

    Looking at all options, your cheapest flight can be booked for £544. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £527 on average, our data indicates £706 when flying from London Heathrow Airport to Missouri.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Missouri 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 London Heathrow Airport to Missouri?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Missouri (average of £408). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £632). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Las Vegas flights
Stansted to San Francisco flights
Luton to Miami flights
London City to San Francisco flights
Gatwick to George Bush Intcntl flights
Luton to Los Angeles flights

Top 10 airlines flying from Heathrow to Missouri

Discover the top 10 airlines that operate flights from Heathrow to Missouri. 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 6 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£172Average£885FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£475Average£774FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£481Average£797FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£522Average£840FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£545Average£720FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£551Average£753FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£558Average£881FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£564Average£981FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£606Average£745FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£637Average£779FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 Heathrow to Missouri?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Missouri. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Missouri from Heathrow.

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

Certainly. Search results for flights to Missouri from Heathrow 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 Heathrow to Missouri become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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