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Missouri

$369+ Cheap flights from London (LON) to Missouri

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — STL
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from London to Missouri

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 March 20, 2026.

This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:25 pm
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 5/279:35 pm
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 3/16$683
This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:15 pm
LHR
-
STL
1 stop13h 18m
American Airlines
Sat 5/235:22 pm
STL
-
LHR
1 stop11h 08m
American Airlines
Deal found 3/16$687
This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:25 pm
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 5/279:35 pm
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 3/16$711
This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:20 am
LHR
-
STL
1 stop14h 36m
Delta
Mon 5/2510:19 am
STL
-
LHR
1 stop14h 51m
Delta
Deal found 3/16$717
This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:25 pm
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 5/279:35 pm
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 3/16$721
This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:25 pm
LHR
-
STL
1 stop16h 34m
Delta
Tue 5/261:59 pm
STL
-
LHR
1 stop11h 11m
Delta
Deal found 3/16$723
This deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:45 am
LHR
-
STL
1 stop12h 45m
Delta
Mon 5/2510:19 am
STL
-
LHR
1 stop14h 51m
Delta
Deal found 3/16$747
This ChecknFly deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:25 pm
LHR
-
STL
Nonstop9h 05m
Finnair
Wed 9/234:47 pm
STL
-
LHR
1 stop10h 38m
Finnair
Deal found 3/16$752
This ChecknFly deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:25 pm
LHR
-
STL
Nonstop9h 05m
Finnair
Mon 4/279:10 am
STL
-
LHR
1 stop15h 45m
Finnair
Deal found 3/17$756
This ChecknFly deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:10 pm
LHR
-
STL
2 stops24h 54m
Finnair
Sun 10/117:00 pm
STL
-
LHR
2 stops29h 25m
Finnair
Deal found 3/17$762
This Travcart deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:25 pm
LHR
-
STL
1 stop34h 19m
Virgin Atlantic
Thu 4/301:46 pm
STL
-
LHR
1 stop11h 24m
Virgin Atlantic
Deal found 3/18$763
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:00 pm
LGW
-
STL
2 stops22h 50m
Multiple Airlines
Fri 5/84:19 pm
STL
-
LGW
1 stop35h 41m
Multiple Airlines
Deal found 3/19$795

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683

One-way from

$369
(Trip.com)

Popular in

August

Cheapest in

January

Average price

$921

Good one-way deal

$697 or less
Provider with most accurate pricing for London (LON)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Lambert-St Louis flights.
Search Deals
From London (LON) to Missouri
Search Deals
One-way flight from London (LON) to Missouri
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from London (LON) to Missouri.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated March 20, 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 round-trip

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 9/2

10:05 am-8:19 pm

2 stops16h 14m

Lambert-St Louis

Wed 9/23

9:46 am-8:00 am

1 stop16h 14m

$758
Quickest round-trip

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 9/2

4:25 pm-7:30 pm

Nonstop9h 05m

Lambert-St Louis

Wed 9/23

3:33 pm-10:55 am

1 stop13h 22m

$801

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 9/2

9:55 am-8:31 pm

2 stops16h 36m

Lambert-St Louis

Wed 9/23

7:05 pm-2:35 pm

2 stops13h 30m

$811

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 4/21

6:30 am-4:50 pm

2 stops16h 20m

Lambert-St Louis

Mon 4/27

4:41 pm-12:05 pm

2 stops13h 24m

$815

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 5/1

9:45 am-4:41 pm

1 stop12h 56m

Lambert-St Louis

Mon 5/4

2:33 pm-10:30 am

1 stop13h 57m

$846

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 4/16

8:40 am-8:44 pm

2 stops18h 04m

Lambert-St Louis

Thu 4/30

4:41 pm-12:10 pm

2 stops13h 29m

$858

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 4/24

6:15 am-5:44 pm

2 stops17h 29m

Lambert-St Louis

Sun 5/10

4:25 pm-2:35 pm

1 stop16h 10m

$862

LondonSt. Louis

LCY - STL

LCYSTL

London City

Thu 4/30

5:00 pm-7:29 pm

2 stops32h 29m

Lambert-St Louis

Mon 5/4

7:05 am-1:20 pm

2 stops24h 15m

$873

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 4/24

4:25 pm-7:30 pm

Nonstop9h 05m

Lambert-St Louis

Sun 5/10

3:42 pm-9:40 pm

1 stop23h 58m

$874

LondonKansas City

LGW - MCI

LGWMCI

London Gatwick

Thu 4/9

2:00 pm-11:53 pm

1 stop15h 53m

Kansas City

Thu 4/23

11:53 am-6:20 am

2 stops36h 27m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 60 resultsSorted by cheapest first
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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 round-trip 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

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

Currently, September is the cheapest month in which you can book a flight from London to Missouri (average of $544). Flying from London to Missouri in December is currently the most expensive (average of $836). 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 to fly round-trip 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 March 20, 2026.
Peruse reviews from past customers who have flown with British Airways from London to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,804 reviews

Food

6.4

Crew

7.6

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,804 reviews
British Airways
6.7
Okay
7,804 reviews

Food

6.4

Crew

7.6

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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?

    There are many flights that can get you from London to Missouri in 9h 05m. Fly via Finnair, British Airways, or Virgin Atlantic to get the fastest option. The distance between London and Missouri is about 4186 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $438 on Finnair. Other airlines that offer cheap prices include British Airways from $516 and Aer Lingus from $785 one-way.

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

    Most travelers choose London Heathrow - Kansas City, London Heathrow - Lambert-St Louis or London Gatwick - Kansas City when deciding on the best route from London to Missouri.

  • What are the cheapest flights from London to Missouri?

    On average you can expect to pay $900 for a flight from London to Missouri. The cheapest flight overall is $537 while the most popular route, (London Heathrow - Kansas City) is currently priced at $853.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from London to Missouri (average of $544). Flying from London to Missouri in December is currently the most expensive (average of $836). 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

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Top 2 airlines flying from London to Missouri

Discover the top 2 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 2,558,603 searches. Data last updated March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$555Average$997FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$654Average$857FlexibilityNo cancel feeOn-time69%

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