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Cheap flights from London Heathrow Airport to Missouri from £345

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
22 Mar — 29 Mar1
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 20 February 2026.

Mon 13/414:45
LHR
-
STL
1 stop13h 32m
Finnair
Mon 27/416:30
STL
-
LHR
1 stop12h 00m
Finnair
Deal found 20/2£515
Mon 20/414:25
LHR
-
STL
1 stop14h 34m
Finnair
Thu 30/420:03
STL
-
LHR
1 stop10h 12m
Finnair
Deal found 19/2£518
Tue 17/308:20
LHR
-
STL
1 stop13h 53m
British Airways
Tue 24/318:08
STL
-
LHR
1 stop12h 32m
British Airways
Deal found 17/2£534
Tue 17/317:00
LHR
-
STL
2 stops23h 29m
Finnair
Tue 24/316:13
STL
-
LHR
1 stop12h 47m
Finnair
Deal found 17/2£537
Thu 30/411:00
LHR
-
STL
2 stops18h 46m
Finnair
Thu 7/511:25
STL
-
LHR
2 stops14h 35m
Finnair
Deal found 19/2£544
Wed 6/516:55
LHR
-
STL
1 stop21h 35m
Finnair
Wed 13/509:34
STL
-
LHR
2 stops14h 51m
Finnair
Deal found 18/2£546
Mon 20/406:15
LHR
-
STL
2 stops19h 14m
British Airways
Thu 30/413:29
STL
-
LHR
1 stop12h 21m
British Airways
Deal found 18/2£552
Tue 17/306:40
LHR
-
MCI
3 stops22h 13m
Multiple Airlines
Tue 24/305:45
MCI
-
LHR
3 stops30h 15m
Multiple Airlines
Deal found 17/2£556
Tue 17/306:30
LHR
-
STL
2 stops16h 23m
Virgin Atlantic
Tue 24/312:04
STL
-
LHR
2 stops13h 46m
Virgin Atlantic
Deal found 17/2£558
Sat 7/317:00
LHR
-
MCI
2 stops34h 04m
Scandinavian Airlines
Tue 7/409:33
MCI
-
LHR
2 stops24h 27m
Scandinavian Airlines
Deal found 17/2£594
Wed 26/819:30
LHR
-
MCI
2 stops31h 31m
Scandinavian Airlines
Sun 30/815:36
MCI
-
LHR
2 stops35h 44m
Scandinavian Airlines
Deal found 18/2£614
Fri 6/319:30
LHR
-
MCI
2 stops34h 10m
Scandinavian Airlines
Mon 9/316:48
MCI
-
LHR
2 stops18h 12m
Scandinavian Airlines
Deal found 20/2£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 20 February 2026.

Round-trip from

£515

One-way from

£345

Popular in

July

Cheapest in

March

Average price

£648

Good round-trip deal

£560 or less
Finnair
  • Finnair
  • 13/4-27/4
  • 2 total stops
  • 25h 32m total
  • London to Missouri
Search Deals
29/4
  • 29/4
  • 3 total stops
  • 43h 59m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 20 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Missouri that are best for you.

Fly from

Heathrow

Fly to

Missouri

Route

Depart

Return

Price

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 20/4

06:15-19:29

2 stops19h 14m

Lambert-St Louis

Thu 30/4

14:12-09:05

1 stop12h 53m

£556

LondonKansas City

LHR - MCI

LHRMCI

London Heathrow

Tue 17/3

06:40-23:53

3 stops22h 13m

Kansas City

Tue 24/3

05:45-17:00

3 stops30h 15m

£556

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 20/4

09:45-22:17

1 stop18h 32m

Lambert-St Louis

Thu 30/4

17:21-10:30

1 stop11h 09m

£566

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 30/4

07:05-19:29

2 stops18h 24m

Lambert-St Louis

Thu 7/5

11:45-08:00

1 stop14h 15m

£585

LondonKansas City

LHR - MCI

LHRMCI

London Heathrow

Sat 7/3

17:00-21:04

2 stops34h 04m

Kansas City

Tue 7/4

09:33-16:00

2 stops24h 27m

£594

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 7/3

08:20-17:13

1 stop14h 53m

Lambert-St Louis

Tue 10/3

14:37-08:35

1 stop12h 58m

£628

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 7/3

06:30-15:56

2 stops15h 26m

Lambert-St Louis

Tue 10/3

10:50-06:55

2 stops15h 05m

£632

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 6/3

14:10-21:12

1 stop13h 02m

Lambert-St Louis

Wed 11/3

13:34-07:20

1 stop12h 46m

£651

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 20/4

06:30-14:29

2 stops13h 59m

Lambert-St Louis

Thu 30/4

17:59-13:45

2 stops13h 46m

£658

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 16/6

20:15-23:34

2 stops33h 19m

Lambert-St Louis

Tue 7/7

07:15-10:30

1 stop21h 15m

£676

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 57 results
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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 £405). 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 20 February 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
1,365 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Crew

8.2

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
1,365 reviews
Finnair
7.6
Good
1,365 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Crew

8.2

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
679 reviews
Finnair
7.6
Good
1,365 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Crew

8.2

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
9,335 reviews
Finnair
7.6
Good
1,365 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Crew

8.2

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
7,794 reviews
Finnair
7.6
Good
1,365 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Crew

8.2

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
7,756 reviews
Finnair
7.6
Good
1,365 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Food

6.7

Crew

8.2

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 18h 32m. Fly via British Airways, Finnair, 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 £504. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £518 on average, our data indicates £675 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 £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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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 20 February 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£170Average£800FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£471Average£767FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£476Average£795FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£493Average£687FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£501Average£844FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£553Average£898FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£600Average£736FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£631Average£780FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£634Average£725FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£651Average£1,146FlexibilityNo cancel feeOn-time77%
Search Air France 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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