Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Missouri from £338

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — STL
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Missouri

Enter your travel dates to find the best prices.

Cheapest flights from London to Missouri
Explore the most affordable flight options available from London to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Tue 8/916:10
LHR
-
STL
2 stops37h 10m
Finnair
Tue 22/912:43
STL
-
LHR
1 stop14h 22m
Finnair
Deal found 27/4£630
Tue 15/914:45
LHR
-
STL
1 stop14h 35m
Finnair
Tue 22/912:43
STL
-
LHR
1 stop18h 07m
Finnair
Deal found 26/4£634
Wed 2/911:45
LHR
-
STL
2 stops17h 52m
KLM
Wed 23/919:05
STL
-
LHR
1 stop12h 10m
KLM
Deal found 29/4£636
Wed 11/1109:55
LHR
-
STL
1 stop13h 59m
American Airlines
Tue 24/1118:45
STL
-
LHR
1 stop10h 55m
American Airlines
Deal found 25/4£636
Mon 21/912:30
LHR
-
STL
1 stop12h 28m
American Airlines
Thu 5/1114:17
STL
-
LHR
1 stop10h 38m
American Airlines
Deal found 27/4£637
Wed 2/1213:10
LHR
-
STL
1 stop13h 11m
American Airlines
Tue 8/1209:30
STL
-
LHR
1 stop15h 20m
American Airlines
Deal found 27/4£638
Wed 2/907:50
LHR
-
STL
2 stops17h 09m
Multiple Airlines
Wed 23/917:11
STL
-
LHR
1 stop13h 39m
Multiple Airlines
Deal found 28/4£643
Tue 8/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Tue 22/912:47
STL
-
LHR
1 stop12h 08m
British Airways
Deal found 26/4£645
Tue 22/916:25
LHR
-
STL
Nonstop9h 05m
British Airways
Tue 6/1012:52
STL
-
LHR
1 stop12h 03m
British Airways
Deal found 28/4£647
Wed 10/614:00
LGW
-
MCI
1 stop25h 29m
Multiple Airlines
Thu 9/709:50
MCI
-
LGW
1 stop18h 10m
Multiple Airlines
Deal found 28/4£647
Fri 12/614:00
LGW
-
STL
1 stop16h 09m
Multiple Airlines
Sun 21/616:17
STL
-
LGW
1 stop35h 43m
Multiple Airlines
Deal found 27/4£664
Tue 30/614:00
LGW
-
STL
1 stop16h 09m
Multiple Airlines
Sat 11/720:08
STL
-
LGW
2 stops31h 52m
Multiple Airlines
Deal found 28/4£665

Find flight deals from London to Missouri

Keep the following information in mind while searching for London to Missouri flight deals. Data was last updated 30 April 2026.

Round-trip from

£630

One-way from

£338

Popular in

July

Cheapest in

January

Average price

£708

Good round-trip deal

£646 or less
Finnair
  • Finnair
  • 8/9-22/9
  • 3 total stops
  • 51h 32m total
  • London to Missouri
Search Deals
30/5
  • 30/5
  • 1 total stop
  • 15h 57m total
  • London to Missouri
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£63 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 (LON) to Missouri.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 30 April 2026.
Use the filters below to find and compare flights from London 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 16/9

12:30-18:58

1 stop12h 28m

Lambert-St Louis

Mon 21/9

12:47-06:55

1 stop12h 08m

£651

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 2/9

09:55-20:31

2 stops16h 36m

Lambert-St Louis

Wed 23/9

10:45-06:45

2 stops14h 00m

£653

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 16/9

09:55-20:31

2 stops16h 36m

Lambert-St Louis

Wed 23/9

13:30-11:20

1 stop15h 50m

£653

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 14/9

06:30-16:55

2 stops16h 25m

Lambert-St Louis

Sat 19/9

13:30-11:20

1 stop15h 50m

£685
Fastest return journey

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 16/9

10:45-16:49

1 stop12h 04m

Lambert-St Louis

Fri 25/9

14:18-07:10

1 stop10h 52m

£698

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 17/9

18:10-23:20

2 stops35h 10m

Lambert-St Louis

Wed 23/9

12:43-09:05

1 stop14h 22m

£728

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 13/9

10:45-16:49

1 stop12h 04m

Lambert-St Louis

Fri 25/9

14:18-07:10

1 stop10h 52m

£728

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Sun 10/5

06:05-20:25

3 stops44h 20m

Lambert-St Louis

Sun 1/11

16:15-22:10

3 stops23h 55m

£753

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sun 31/5

14:00-10:29

1 stop26h 29m

Lambert-St Louis

Tue 8/9

15:30-07:40

2 stops34h 10m

£762

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 30/8

15:00-23:54

1 stop14h 54m

Lambert-St Louis

Fri 11/9

12:47-06:55

1 stop12h 08m

£768

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from London to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from London 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 to Missouri

How far ahead should I book a flight from London to Missouri?

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Missouri. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Missouri?

Currently, August is the cheapest month in which you can book a flight from London to Missouri (average of £85). Flying from London to Missouri in September is currently the most expensive (average of £823). 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 LON to MO?

Find hourly flight availability from London 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 30 April 2026.

When flying from London to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London 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 30 April 2026.
Get a feel of what it's like to fly with Finnair,United Airlines, andVirgin Atlantic from London to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,392 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Finnair
7.6
Good
1,392 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
United Airlines
7.4
Good
9,677 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Virgin Atlantic
7.4
Good
688 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Lufthansa
6.8
Okay
7,962 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
British Airways
6.7
Okay
7,937 reviews
Finnair
7.6
Good
1,392 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.2

Overall

7.6

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Related info for your journey

Find useful and relevant information for your journey from London 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 to Missouri?

    British Airways, Virgin Atlantic, and Delta can get you from London to Missouri in just under 12h 28m. Your travel time can differ by up to 4h 08m. There are 4186 mi between London and Missouri. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London to Missouri one-way?

    The cheapet airlines for a one-way flight from London to Missouri are British Airways (£340), United Airlines (£356), and Finnair (£359).

  • What are the most popular routes from London to Missouri?

    The most popular route from London to Missouri is London Heathrow - Lambert-St Louis. You may also consider London Heathrow - Kansas City or London Gatwick - Lambert-St Louis.

  • What are the cheapest flights from London to Missouri?

    Looking for the cheapest flight from London to Missouri? While on average our users pay £1,298, our data indicates the cheapest price to be £604. The most popular route (London Heathrow - Lambert-St Louis), is priced around £622.

  • Can I find deals for flights from London to Missouri that include hotel bookings?

    Yes. In addition to deals on London to Missouri flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Missouri.

  • Can I find deals for business class flights from London to Missouri?

    Yes. Cheapflights offers flight deals from London 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 to Missouri?

    Currently, August is the cheapest month in which you can book a flight from London to Missouri (average of £85). Flying from London to Missouri in September is currently the most expensive (average of £823). 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 London 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
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
Gatwick to LaGuardia flights
Heathrow to Orlando flights
Luton to John F Kennedy Intl flights
Heathrow to Los Angeles flights
London City to Newark flights
Heathrow to Boston flights
Stansted to Newark flights
Manchester to John F Kennedy Intl flights
Heathrow to Miami flights
Luton to Newark flights
Heathrow to O'Hare Intl flights
Manchester to Orlando flights
Heathrow to San Francisco flights
Heathrow to Dulles Intl flights
Heathrow to Seattle flights
Heathrow to Las Vegas flights
Gatwick to Orlando flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Boston flights
Heathrow to Atlanta flights
Gatwick to Los Angeles flights
Heathrow to Hobby flights
Heathrow to Baltimore flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Stansted to Orlando flights
Manchester to Newark flights
Edinburgh to John F Kennedy Intl flights
Stansted to LaGuardia flights
Stansted to Miami flights
Heathrow to George Bush Intcntl flights
London City to Boston flights
Gatwick to Miami flights
Stansted to Boston flights
Manchester to LaGuardia flights
London City to Miami flights
London City to Orlando flights
Heathrow to Tampa flights
Heathrow to Ontario flights
Heathrow to Denver flights
Gatwick to San Francisco flights
Gatwick to O'Hare Intl flights
Luton to Los Angeles flights

Top 10 airlines flying from London to Missouri

Discover the top 10 airlines that operate flights from London 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£172Average£858FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£470Average£777FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£475Average£788FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£516Average£805FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£551Average£878FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£558Average£970FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£582Average£742FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£592Average£699FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£599Average£713FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£633Average£701FlexibilityNo cancel feeOn-time77%
Search Iberia 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 London to Missouri?

Cheapflights helps you search for flights from London to Missouri via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Missouri?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Missouri.

Can Cheapflights find flights from London to Missouri with no change fees?

Yes! Cheapflights helps users easily find flights from London to Missouri with no change fees.

Can Cheapflights notify me if prices for flights from London 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.