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Cheap flights from London Heathrow Airport to Missouri from £334

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
1 Feb — 8 Feb1
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 2 January 2026.

Wed 31/1210:05LHR - STL
1 stop15h 17mAmerican Airlines
Tue 6/115:20STL - LHR
1 stop10h 55mAmerican Airlines
Deal found 31/12£1,052
Wed 31/1211:05LHR - STL
1 stop17h 11mDelta
Tue 6/109:59STL - LHR
2 stops16h 46mDelta
Deal found 31/12£1,152

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 2 January 2026.

Round-trip from

£433

One-way from

£334

Popular in

December

Cheapest in

March

Average price

£586

Good round-trip deal

£574 or less
Austrian Airlines
  • Austrian Airlines
  • 30/1-6/2
  • 2 total stops
  • 28h 28m total
  • London to Missouri
Search Deals
4/3
  • 4/3
  • 3 total stops
  • 40h 22m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 2 January 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

Wed 28/1

06:30-13:55

1 stop13h 25m

Lambert-St Louis

Wed 4/2

18:40-15:50

2 stops15h 10m

£436

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 30/1

06:30-13:55

1 stop13h 25m

Lambert-St Louis

Fri 6/2

13:15-09:45

2 stops14h 30m

£437

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 29/1

09:00-21:13

2 stops18h 13m

Lambert-St Louis

Thu 5/2

09:57-06:40

2 stops14h 43m

£442

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 30/1

06:30-19:27

2 stops18h 57m

Lambert-St Louis

Fri 6/2

15:11-10:50

2 stops13h 39m

£447

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 5/2

06:50-16:03

2 stops15h 13m

Lambert-St Louis

Mon 9/2

15:11-07:55

1 stop10h 44m

£448

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 28/1

06:30-19:27

2 stops18h 57m

Lambert-St Louis

Wed 4/2

11:20-06:40

2 stops13h 20m

£448

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 16/1

09:00-15:29

2 stops36h 29m

Lambert-St Louis

Fri 30/1

13:15-11:15

1 stop16h 00m

£457

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 14/5

08:40-08:18

2 stops29h 38m

Lambert-St Louis

Sun 17/5

13:00-06:30

1 stop11h 30m

£457

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 14/2

07:40-17:44

1 stop16h 04m

Lambert-St Louis

Sat 21/2

16:05-06:30

1 stop32h 25m

£463

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 14/2

18:00-15:29

1 stop27h 29m

Lambert-St Louis

Sat 21/2

16:05-20:35

2 stops22h 30m

£467

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 49 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 £401). Flying from London Heathrow Airport to Missouri in July is currently the most expensive (average of £604). 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 2 January 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
1,343 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,343 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,132 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,675 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,635 reviews
Finnair
7.6
Good
1,343 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 25m. Fly via Lufthansa 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 £535. While the most popular route (London Heathrow - Lambert-St Louis) can be booked for £433 on average, our data indicates £579 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 £401). Flying from London Heathrow Airport to Missouri in July is currently the most expensive (average of £604). 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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£170Average£824FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£478Average£793FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£501Average£666FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£501Average£857FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£521Average£745FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Scandinavian AirlinesCheapest£545Average£749FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£558Average£891FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£600Average£744FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£613Average£777FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£631Average£782FlexibilityNo 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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