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Cheap flights from London Heathrow Airport to Missouri from £317

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
11 Jan — 18 Jan1
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 12 December 2025.

Thu 25/1208:20LHR - STL
1 stop17h 02mAmerican Airlines
Sun 18/115:37STL - LHR
1 stop12h 23mAmerican Airlines
Deal found 11/12£696
Thu 25/1206:30LHR - STL
2 stops20h 11mDelta
Sun 18/112:00STL - LHR
2 stops12h 55mDelta
Deal found 10/12£705
Wed 24/1214:50LHR - STL
2 stops30h 13mMultiple Airlines
Sun 28/1218:35STL - LHR
1 stop10h 40mMultiple Airlines
Deal found 11/12£976
Tue 16/1208:50LHR - MCI
2 stops18h 39mAer Lingus
Wed 7/110:50MCI - LHR
2 stops22h 45mAer Lingus
Deal found 10/12£985
Thu 11/1206:40LHR - MCI
2 stops21h 44mScandinavian Airlines
Sat 10/109:57MCI - LHR
2 stops26h 33mScandinavian Airlines
Deal found 10/12£1,018
Sat 13/1219:35LHR - MCI
2 stops31h 54mAer Lingus
Wed 31/1211:53MCI - LHR
2 stops14h 12mAer Lingus
Deal found 10/12£1,027
Wed 24/1216:30LHR - STL
1 stop36h 26mIberia
Sun 28/1211:41STL - LHR
1 stop16h 19mIberia
Deal found 11/12£1,034
Tue 23/1219:05LHR - STL
2 stops49h 04mBritish Airways
Mon 29/1206:41STL - LHR
1 stop19h 34mBritish Airways
Deal found 10/12£1,040
Wed 10/1219:10LHR - STL
1 stop22h 04mAmerican Airlines
Tue 6/114:54STL - LHR
1 stop10h 06mAmerican Airlines
Deal found 10/12£1,047
Tue 16/1208:50LHR - MCI
2 stops18h 39mAer Lingus
Sat 10/115:01MCI - LHR
2 stops16h 24mAer Lingus
Deal found 10/12£1,062
Tue 23/1220:05LHR - STL
2 stops49h 24mMultiple Airlines
Sun 28/1216:05STL - LHR
1 stop32h 25mMultiple Airlines
Deal found 11/12£1,084
Tue 23/1218:30LHR - STL
1 stop25h 25mLufthansa
Sun 28/1211:05STL - LHR
1 stop14h 50mLufthansa
Deal found 11/12£1,102

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 12 December 2025.

Round-trip from

£537

One-way from

£317

Popular in

December

Cheapest in

March

Average price

£1,021

Good round-trip deal

£625 or less
British Airways
  • British Airways
  • 5/5-12/5
  • 1 total stop
  • 21h 38m total
  • London to Missouri
Search Deals
25/1
  • 25/1
  • 3 total stops
  • 31h 55m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 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 December 2025
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 12 December 2025.
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

Tue 5/5

12:30-20:03

1 stop13h 33m

Lambert-St Louis

Tue 12/5

22:00-12:05

Nonstop8h 05m

£537

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 4/5

18:45-23:24

2 stops34h 39m

Lambert-St Louis

Thu 14/5

06:05-10:30

1 stop22h 25m

£544

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

16:25-19:30

Nonstop9h 05m

Lambert-St Louis

Wed 13/5

12:03-07:45

1 stop13h 42m

£552

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 25/1

19:20-17:50

2 stops28h 30m

Lambert-St Louis

Sun 1/2

18:57-20:10

2 stops19h 13m

£553

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 4/5

19:10-23:24

2 stops34h 14m

Lambert-St Louis

Wed 13/5

11:14-16:25

2 stops23h 11m

£555

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 13/1

08:20-16:14

1 stop13h 54m

Lambert-St Louis

Fri 23/1

17:04-11:40

1 stop12h 36m

£556

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

13:45-20:03

1 stop12h 18m

Lambert-St Louis

Wed 13/5

09:15-07:50

1 stop16h 35m

£556

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 6/5

09:15-16:13

1 stop12h 58m

Lambert-St Louis

Wed 13/5

09:15-07:50

1 stop16h 35m

£556

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 6/5

09:15-16:13

1 stop12h 58m

Lambert-St Louis

Tue 12/5

16:39-12:15

1 stop13h 36m

£556

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 13/1

08:40-23:39

2 stops20h 59m

Lambert-St Louis

Fri 23/1

18:57-11:40

1 stop10h 43m

£557

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 53 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 £403). Flying from London Heathrow Airport to Missouri in July is currently the most expensive (average of £608). 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.

What is the cheapest time of day to fly from LHR to MO?

Find hourly flight availability from Heathrow to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Missouri is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 22% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Missouri?

Use this chart to determine the cheapest time to fly return from Heathrow to Missouri. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Missouri flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 December 2025.
See what other customers who have flown with Finnair, United Airlines, andIberia 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
1,334 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

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
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

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
9,093 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

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.
Iberia
7.0
Good
3,045 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

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
7,626 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

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
7,571 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

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 9h 05m. Fly via British Airways, American Airlines, or Virgin Atlantic 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 - Kansas City, London Heathrow - Lambert-St Louis 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 £544. While the most popular route (London Heathrow - Kansas City) can be booked for £504 on average, our data indicates £660 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 £403). Flying from London Heathrow Airport to Missouri in July is currently the most expensive (average of £608). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£171Average£802FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£500Average£813FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£504Average£863FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£507Average£674FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£549Average£754FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IberiaCheapest£560Average£719FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£578Average£836FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£604Average£753FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£617Average£776FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£635Average£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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