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Cheap flights from London Heathrow Airport to Missouri from £353

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
17 May — 24 May1
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 17 April 2026.

Tue 5/510:45
LHR
-
STL
1 stop11h 57m
Delta
Sat 23/516:00
STL
-
LHR
1 stop15h 05m
Delta
Deal found 15/4£609
Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
Multiple Airlines
Wed 23/915:33
STL
-
LHR
1 stop15h 17m
Multiple Airlines
Deal found 13/4£610
Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 23/916:47
STL
-
LHR
1 stop10h 38m
British Airways
Deal found 16/4£613
Mon 11/513:25
LHR
-
STL
1 stop16h 34m
Delta
Sun 17/517:34
STL
-
LHR
1 stop13h 31m
Delta
Deal found 15/4£616
Tue 8/910:05
LHR
-
STL
1 stop16h 21m
Multiple Airlines
Tue 22/920:07
STL
-
LHR
1 stop10h 08m
Multiple Airlines
Deal found 14/4£617
Wed 2/907:30
LHR
-
STL
2 stops22h 21m
Finnair
Wed 23/912:43
STL
-
LHR
1 stop14h 22m
Finnair
Deal found 14/4£624
Wed 9/916:25
LHR
-
STL
Nonstop9h 05m
American Airlines
Mon 21/905:40
STL
-
LHR
1 stop18h 40m
American Airlines
Deal found 14/4£627
Tue 8/907:30
LHR
-
STL
2 stops22h 21m
Finnair
Tue 22/912:43
STL
-
LHR
1 stop14h 22m
Finnair
Deal found 16/4£629
Wed 23/919:30
LHR
-
MCI
2 stops32h 52m
Scandinavian Airlines
Sun 27/907:30
MCI
-
LHR
2 stops32h 10m
Scandinavian Airlines
Deal found 12/4£672
Tue 26/506:40
LHR
-
MCI
2 stops22h 30m
Scandinavian Airlines
Sun 31/515:06
MCI
-
LHR
2 stops24h 34m
Scandinavian Airlines
Deal found 12/4£689
Sat 30/506:15
LHR
-
MCI
2 stops33h 14m
Multiple Airlines
Sat 6/610:35
MCI
-
LHR
2 stops19h 30m
Multiple Airlines
Deal found 15/4£700
Tue 5/506:40
LHR
-
MCI
2 stops21h 31m
Scandinavian Airlines
Sun 10/509:55
MCI
-
LHR
2 stops24h 05m
Scandinavian Airlines
Deal found 14/4£719

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 17 April 2026.

Round-trip from

£609

One-way from

£353

Popular in

July

Cheapest in

February

Average price

£683

Good round-trip deal

£621 or less
American Airlines
  • American Airlines
  • 8/5-23/5
  • 2 total stops
  • 26h 27m total
  • London to Missouri
Search Deals
4/5
  • 4/5
  • 3 total stops
  • 53h 00m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£65 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 April 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 17 April 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 30/9

06:45-21:23

2 stops20h 38m

Lambert-St Louis

Sun 4/10

20:07-11:15

1 stop33h 08m

£636

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

£649
Fastest return journey

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 24/9

13:00-21:23

1 stop14h 23m

Lambert-St Louis

Mon 28/9

16:47-09:25

1 stop10h 38m

£679

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

06:30-17:44

2 stops17h 14m

Lambert-St Louis

Tue 12/5

17:15-13:15

1 stop14h 00m

£721

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 24/9

06:40-23:37

2 stops22h 57m

Lambert-St Louis

Mon 28/9

15:42-16:00

2 stops18h 18m

£726

LondonSpringfield

LHR - SGF

LHRSGF

London Heathrow

Mon 14/9

06:40-22:29

2 stops21h 49m

Springfield-Branson

Fri 25/9

15:30-13:35

2 stops16h 05m

£747

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 30/4

06:30-17:44

2 stops17h 14m

Lambert-St Louis

Thu 7/5

10:19-08:50

2 stops16h 31m

£747

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 19/5

12:30-19:29

1 stop12h 59m

Lambert-St Louis

Thu 28/5

11:18-06:50

1 stop13h 32m

£764

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 27/5

06:30-16:46

2 stops16h 16m

Lambert-St Louis

Wed 3/6

10:19-08:50

2 stops16h 31m

£768

LondonSpringfield

LHR - SGF

LHRSGF

London Heathrow

Mon 14/9

14:25-23:58

1 stop15h 33m

Springfield-Branson

Wed 23/9

14:22-10:50

1 stop14h 28m

£784

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 49 resultsSorted by cheapest first
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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 £125). Flying from London Heathrow Airport to Missouri in March is currently the most expensive (average of £512). 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 17 April 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
7.7
Good
1,389 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Overall

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
7.7
Good
1,389 reviews
Finnair
7.7
Good
1,389 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Overall

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
687 reviews
Finnair
7.7
Good
1,389 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Overall

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
9,602 reviews
Finnair
7.7
Good
1,389 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Overall

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
7,926 reviews
Finnair
7.7
Good
1,389 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Overall

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
7,888 reviews
Finnair
7.7
Good
1,389 reviews
Check prices

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Overall

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 16h 19m. Fly via British Airways, Delta, or Scandinavian 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 £575. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £613 on average, our data indicates £662 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 £125). Flying from London Heathrow Airport to Missouri in March is currently the most expensive (average of £512). 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
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Heathrow to Midway flights
Heathrow to Ontario 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£172Average£855FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£468Average£774FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£473Average£790FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£514Average£827FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£549Average£871FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£556Average£966FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£580Average£737FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£589Average£696FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£597Average£711FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£627Average£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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