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Cheap flights from London Heathrow Airport to Missouri from £322

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
9 Apr — 16 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 10 March 2026.

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
Tue 21/418:05
LHR
-
STL
2 stops29h 07m
Finnair
Wed 29/414:12
STL
-
LHR
1 stop12h 53m
Finnair
Deal found 5/3£541
Wed 23/906:45
LHR
-
STL
2 stops22h 53m
British Airways
Sun 27/916:47
STL
-
LHR
1 stop32h 08m
British Airways
Deal found 5/3£552
Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 9/919:45
STL
-
LHR
1 stop12h 40m
British Airways
Deal found 5/3£555
Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 23/912:47
STL
-
LHR
1 stop12h 08m
British Airways
Deal found 6/3£556
Wed 2/909:15
LHR
-
STL
1 stop16h 18m
Finnair
Wed 23/909:46
STL
-
LHR
1 stop16h 14m
Finnair
Deal found 10/3£559
Wed 22/409:45
LHR
-
STL
1 stop12h 56m
British Airways
Wed 29/420:03
STL
-
LHR
1 stop10h 12m
British Airways
Deal found 8/3£560
Wed 22/412:30
LHR
-
STL
1 stop12h 59m
Finnair
Tue 28/415:24
STL
-
LHR
1 stop11h 41m
Finnair
Deal found 9/3£561
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 12/906:40
LHR
-
MCI
2 stops23h 12m
Scandinavian Airlines
Wed 23/909:59
MCI
-
LHR
2 stops25h 41m
Scandinavian Airlines
Deal found 6/3£615
Mon 7/906:40
LHR
-
MCI
2 stops20h 21m
Scandinavian Airlines
Mon 21/915:36
MCI
-
LHR
2 stops18h 24m
Scandinavian Airlines
Deal found 9/3£626
Sun 13/917:00
LHR
-
MCI
2 stops35h 22m
Scandinavian Airlines
Sat 3/1007:30
MCI
-
LHR
2 stops43h 50m
Scandinavian Airlines
Deal found 9/3£627

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 10 March 2026.

Round-trip from

£531

One-way from

£322

Popular in

August

Cheapest in

March

Average price

£681

Good round-trip deal

£680 or less
British Airways
  • British Airways
  • 21/4-29/4
  • 2 total stops
  • 23h 11m 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. 8% potential increase in price (£50 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

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 10 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

Wed 2/9

06:30-18:02

2 stops17h 32m

Lambert-St Louis

Wed 23/9

19:05-14:35

2 stops13h 30m

£592

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 19/4

14:45-22:17

1 stop13h 32m

Lambert-St Louis

Sun 26/4

21:40-11:40

Nonstop8h 00m

£619

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 1/5

14:25-22:59

1 stop14h 34m

Lambert-St Louis

Mon 4/5

14:33-07:40

1 stop11h 07m

£620

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 19/5

20:55-19:31

2 stops28h 36m

Lambert-St Louis

Thu 28/5

09:39-08:00

1 stop16h 21m

£669

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 9/4

10:05-19:30

1 stop15h 25m

Lambert-St Louis

Wed 6/5

16:30-10:30

1 stop12h 00m

£681

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 9/4

06:30-14:24

2 stops13h 54m

Lambert-St Louis

Wed 6/5

13:03-07:15

1 stop12h 12m

£683
Fastest return journey

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 8/4

12:00-19:30

1 stop13h 30m

Lambert-St Louis

Tue 5/5

21:35-11:35

Nonstop8h 00m

£687

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 1/7

06:30-16:55

2 stops16h 25m

Lambert-St Louis

Wed 15/7

19:05-14:35

2 stops13h 30m

£713

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 8/4

06:30-16:32

2 stops16h 02m

Lambert-St Louis

Wed 15/4

13:03-07:15

1 stop12h 12m

£716

LondonKansas City

LHR - MCI

LHRMCI

London Heathrow

Tue 21/4

08:45-19:45

2 stops17h 00m

Kansas City

Tue 28/4

15:00-11:35

1 stop14h 35m

£839

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
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 £407). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £626). 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 10 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
1,371 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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
1,371 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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
1,371 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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
9,409 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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
7,840 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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
7,781 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Overall

7.6

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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 13h 32m. Fly via Delta, British Airways, or United Airlines 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 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 £543. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £558 on average, our data indicates £1,134 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 £407). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £626). 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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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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£172Average£884FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£475Average£773FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£480Average£802FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£522Average£839FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£542Average£719FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£550Average£753FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£558Average£880FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£564Average£980FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£605Average£744FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£636Average£778FlexibilityNo 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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