Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Missouri from £321

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
8 Apr — 15 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 9 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£524
Tue 21/412:30
LHR
-
STL
1 stop12h 59m
British Airways
Wed 29/421:35
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 5/3£529
Wed 13/516:25
LHR
-
STL
Nonstop9h 05m
Finnair
Tue 19/505:24
STL
-
LHR
1 stop21h 36m
Finnair
Deal found 4/3£535
Mon 13/412:15
LHR
-
STL
1 stop16h 02m
Finnair
Tue 21/412:27
STL
-
LHR
1 stop17h 43m
Finnair
Deal found 4/3£539
Tue 21/418:05
LHR
-
STL
2 stops29h 07m
Finnair
Wed 29/414:12
STL
-
LHR
1 stop12h 53m
Finnair
Deal found 5/3£539
Wed 20/509:20
LHR
-
STL
1 stop12h 50m
Delta
Thu 28/510:15
STL
-
LHR
1 stop14h 55m
Delta
Deal found 4/3£542
Tue 14/410:05
LHR
-
STL
1 stop15h 25m
American Airlines
Wed 22/418:55
STL
-
LHR
1 stop11h 55m
American Airlines
Deal found 4/3£544
Wed 23/906:45
LHR
-
STL
2 stops22h 53m
British Airways
Sun 27/916:47
STL
-
LHR
1 stop32h 08m
British Airways
Deal found 4/3£551
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£553
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£592
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£613
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£634

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 9 March 2026.

Round-trip from

£524

One-way from

£321

Popular in

August

Cheapest in

March

Average price

£679

Good round-trip deal

£678 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 9 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

£577

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 1/5

14:45-23:46

1 stop15h 01m

Lambert-St Louis

Mon 4/5

20:03-12:15

1 stop10h 12m

£619

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 12/5

12:30-19:31

1 stop13h 01m

Lambert-St Louis

Mon 25/5

09:39-08:00

1 stop16h 21m

£650

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 24/4

06:15-16:42

2 stops16h 27m

Lambert-St Louis

Fri 8/5

19:01-14:35

2 stops13h 34m

£655
Fastest return journey

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 19/5

16:25-19:30

Nonstop9h 05m

Lambert-St Louis

Thu 28/5

13:45-09:05

1 stop13h 20m

£704

LondonSpringfield

LHR - SGF

LHRSGF

London Heathrow

Fri 5/6

10:00-18:43

1 stop14h 43m

Springfield-Branson

Wed 10/6

16:59-11:35

1 stop12h 36m

£736

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 6/4

08:55-19:29

1 stop16h 34m

Lambert-St Louis

Mon 13/4

17:21-07:40

1 stop32h 19m

£741

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

07:05-21:19

3 stops20h 14m

Lambert-St Louis

Sat 9/5

10:54-16:00

2 stops23h 06m

£750

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 17/5

08:20-16:43

1 stop14h 23m

Lambert-St Louis

Tue 26/5

16:20-08:50

1 stop10h 30m

£753

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 27/6

08:20-16:55

1 stop14h 35m

Lambert-St Louis

Mon 6/7

17:00-12:05

1 stop13h 05m

£753

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
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 £406). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £624). 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 9 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

Entertainment

6.9

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

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
1,370 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

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
1,370 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

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
1,370 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

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
7,838 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

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
7,780 reviews
Finnair
7.6
Good
1,370 reviews
Check prices

Entertainment

6.9

Crew

8.2

Comfort

7.5

Food

6.7

Overall

7.6

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 14h 43m. Fly via British Airways, United Airlines, or Lufthansa to get the fastest option. There are 4376 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 £542. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £553 on average, our data indicates £1,130 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 £406). Flying from London Heathrow Airport to Missouri in December is currently the most expensive (average of £624). 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

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

Alternative routes for Heathrow to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
Heathrow to Orlando flights
Heathrow to Los Angeles flights
Heathrow to Miami flights
Gatwick to LaGuardia flights
Heathrow to Boston flights
Luton to John F Kennedy Intl flights
London City to Newark flights
Heathrow to Las Vegas flights
Stansted to Newark flights
Luton to Newark flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
Heathrow to San Francisco flights
Heathrow to Hobby flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Miami flights
Heathrow to Seattle flights
Heathrow to Dulles Intl flights
Gatwick to Los Angeles flights
Stansted to Miami flights
London City to Miami flights
Stansted to Los Angeles flights
Heathrow to George Bush Intcntl flights
Gatwick to Boston flights
Heathrow to Atlanta flights
Stansted to Orlando flights
London City to Los Angeles flights
Heathrow to Tampa flights
Heathrow to Baltimore flights
Heathrow to Ontario flights
Gatwick to Las Vegas flights
London City to Boston flights
Luton to Miami flights
London City to Hobby flights
Luton to Los Angeles flights
Gatwick to Hobby flights
Heathrow to Nashville flights
Stansted to Boston flights
Heathrow to Philadelphia flights
London City to Orlando flights
Heathrow to Midway flights
Heathrow to Denver flights
London City to Las Vegas 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 9 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£171Average£881FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£473Average£771FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£478Average£799FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£520Average£836FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£541Average£717FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£548Average£750FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£556Average£878FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£562Average£977FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£603Average£742FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£634Average£776FlexibilityNo 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!

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.