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Cheap flights from London Heathrow Airport to Missouri from £320

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
10 Apr — 17 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 11 March 2026.

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£549
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£553
Tue 22/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Tue 6/1021:35
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 9/3£555
Mon 20/409:45
LHR
-
STL
1 stop12h 15m
British Airways
Mon 27/414:33
STL
-
LHR
1 stop11h 07m
British Airways
Deal found 5/3£556
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£556
Wed 22/412:30
LHR
-
STL
1 stop12h 59m
Finnair
Tue 28/415:24
STL
-
LHR
1 stop11h 41m
Finnair
Deal found 9/3£558
Wed 22/416:25
LHR
-
STL
Nonstop9h 05m
Finnair
Wed 29/417:21
STL
-
LHR
1 stop11h 09m
Finnair
Deal found 8/3£559
Mon 20/411:15
LHR
-
STL
1 stop16h 04m
Virgin Atlantic
Thu 30/417:35
STL
-
LHR
1 stop13h 30m
Virgin Atlantic
Deal found 8/3£560
Sun 19/418:10
LHR
-
STL
2 stops34h 07m
Finnair
Sun 26/417:21
STL
-
LHR
1 stop32h 19m
Finnair
Deal found 6/3£567
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£590
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£612
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£623

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 11 March 2026.

Round-trip from

£553

One-way from

£320

Popular in

August

Cheapest in

March

Average price

£677

Good round-trip deal

£676 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. 8% potential increase in price (£49 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 11 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

Thu 30/4

06:15-19:29

2 stops19h 14m

Lambert-St Louis

Thu 7/5

11:45-08:00

1 stop14h 15m

£575

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 2/9

06:30-16:49

2 stops16h 19m

Lambert-St Louis

Wed 23/9

13:30-10:20

2 stops14h 50m

£591

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

£616

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 12/5

15:15-23:56

1 stop14h 41m

Lambert-St Louis

Sun 24/5

15:35-18:55

1 stop21h 20m

£646

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

£677

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

£678
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

£683

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 7/5

16:10-22:19

2 stops36h 09m

Lambert-St Louis

Mon 25/5

17:00-10:15

2 stops35h 15m

£692

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 8/4

06:30-17:05

2 stops16h 35m

Lambert-St Louis

Wed 15/4

09:59-07:10

2 stops15h 11m

£711

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 9/5

10:20-22:19

2 stops17h 59m

Lambert-St Louis

Sun 24/5

17:00-10:15

2 stops35h 15m

£713

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 58 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 £405). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £622). 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 11 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

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
1,371 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
9,413 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
7,843 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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 16h 19m. Fly via British Airways, Delta, 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 £540. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £555 on average, our data indicates £1,127 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 £405). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £622). 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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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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£170Average£879FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£472Average£769FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£477Average£797FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£518Average£834FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£539Average£715FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£547Average£748FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£554Average£875FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£560Average£974FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£601Average£740FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£632Average£774FlexibilityNo 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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