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Cheap flights from London Heathrow Airport to Missouri from £371

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
17 Apr — 24 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 18 March 2026.

Wed 13/516:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 27/521:35
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 16/3£512
Wed 13/512:15
LHR
-
STL
1 stop13h 18m
American Airlines
Sat 23/517:22
STL
-
LHR
1 stop11h 08m
American Airlines
Deal found 16/3£515
Fri 15/516:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 27/521:35
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 16/3£533
Fri 15/509:15
LHR
-
STL
1 stop16h 16m
American Airlines
Sun 24/517:00
STL
-
LHR
1 stop11h 30m
American Airlines
Deal found 16/3£538
Tue 19/516:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 27/521:35
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 16/3£541
Wed 13/513:25
LHR
-
STL
1 stop16h 34m
Delta
Tue 26/513:59
STL
-
LHR
1 stop11h 11m
Delta
Deal found 16/3£542
Mon 18/510:45
LHR
-
STL
1 stop12h 45m
Delta
Mon 25/510:19
STL
-
LHR
1 stop14h 51m
Delta
Deal found 16/3£560
Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
Finnair
Wed 23/916:47
STL
-
LHR
1 stop10h 38m
Finnair
Deal found 16/3£564
Tue 21/416:25
LHR
-
STL
Nonstop9h 05m
Finnair
Mon 27/409:10
STL
-
LHR
1 stop15h 45m
Finnair
Deal found 17/3£567
Mon 5/1014:10
LHR
-
STL
2 stops24h 54m
Finnair
Sun 11/1019:00
STL
-
LHR
2 stops29h 25m
Finnair
Deal found 17/3£572
Wed 13/513:25
LHR
-
STL
1 stop14h 04m
Delta
Wed 27/516:25
STL
-
LHR
1 stop11h 55m
Delta
Deal found 16/3£572
Sat 12/917:00
LHR
-
MCI
2 stops35h 22m
Scandinavian Airlines
Wed 23/909:59
MCI
-
LHR
2 stops25h 41m
Scandinavian Airlines
Deal found 18/3£643

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 18 March 2026.

Round-trip from

£512

One-way from

£371

Popular in

August

Cheapest in

January

Average price

£691

Good round-trip deal

£735 or less

Good one-way deal

£1,835 or less
British Airways
  • British Airways
  • 13/5-27/5
  • Nonstop
  • 17h 05m total
  • London to Missouri
Search Deals
Air Canada
  • Air Canada
  • 5/5
  • 2 total stops
  • 33h 10m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 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
Price to beat on a one-way 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 18 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 27/4

08:40-20:44

2 stops18h 04m

Lambert-St Louis

Mon 4/5

11:42-10:20

2 stops16h 38m

£614

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 1/5

14:45-22:17

1 stop13h 32m

Lambert-St Louis

Mon 4/5

16:30-10:30

1 stop12h 00m

£637

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 16/4

08:40-20:44

2 stops18h 04m

Lambert-St Louis

Thu 30/4

16:41-12:10

2 stops13h 29m

£644

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 24/4

06:15-17:44

2 stops17h 29m

Lambert-St Louis

Sun 10/5

16:25-14:35

1 stop16h 10m

£647

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 24/4

09:20-21:19

1 stop17h 59m

Lambert-St Louis

Sun 10/5

19:01-07:15

1 stop30h 14m

£657

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 10/6

06:30-16:49

2 stops16h 19m

Lambert-St Louis

Mon 22/6

11:51-08:50

2 stops14h 59m

£728

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 17/5

15:15-23:59

1 stop14h 44m

Lambert-St Louis

Thu 28/5

16:25-12:10

1 stop13h 45m

£770

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 1/4

06:30-16:32

2 stops16h 02m

Lambert-St Louis

Sun 24/5

16:20-14:35

1 stop16h 15m

£778

LondonSpringfield

LHR - SGF

LHRSGF

London Heathrow

Wed 29/4

18:00-10:40

2 stops22h 40m

Springfield-Branson

Wed 6/5

13:35-12:20

1 stop16h 45m

£839

LondonSpringfield

LHR - SGF

LHRSGF

London Heathrow

Mon 14/9

08:00-18:00

1 stop16h 00m

Springfield-Branson

Wed 23/9

18:35-21:35

2 stops21h 00m

£839

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 55 resultsSorted by cheapest first
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3
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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 £627). 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 18 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
1,373 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.6

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
1,373 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.6

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
682 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.6

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
9,438 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.6

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
7,858 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.6

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
7,800 reviews
Finnair
7.6
Good
1,373 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.6

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 9h 05m. Fly via British Airways, Delta, or Lufthansa 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?

    £345 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 £540. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £564 on average, our data indicates £1,383 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 £627). 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

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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 O'Hare Intl flights
Luton to Miami flights
London City to Orlando flights
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Stansted to O'Hare Intl 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£175Average£886FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£476Average£775FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£481Average£801FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£523Average£853FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£546Average£724FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£559Average£887FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£565Average£982FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£606Average£744FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£638Average£780FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£643Average£732FlexibilityNo cancel feeOn-time77%
Search Iberia 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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