HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$330+ Cheap flights from Missouri to London (LON)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
May 20 — May 271
Wed 5/20
Wed 5/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to London

Cheapest flights from Missouri to London
Explore the most affordable flight options available from Missouri to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 20, 2026.

This United Airlines deal was found by Cheapflights users on 4/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:45 pm
MCI
-
LHR
2 stops21h 35m
United Airlines
Mon 11/912:05 pm
LHR
-
MCI
2 stops50h 46m
United Airlines
Deal found 4/18$763
This Orbitz deal was found by Cheapflights users on 4/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:37 pm
MCI
-
LHR
2 stops54h 53m
Multiple Airlines
Tue 11/36:30 am
LHR
-
MCI
2 stops15h 54m
Multiple Airlines
Deal found 4/18$774
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 5/66:24 pm
MCI
-
LGW
2 stops29h 56m
Multiple Airlines
Thu 5/282:00 pm
LGW
-
MCI
1 stop25h 29m
Multiple Airlines
Deal found 4/15$824
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Mon 5/1110:35 am
MCI
-
LGW
2 stops37h 45m
Multiple Airlines
Thu 5/282:00 pm
LGW
-
MCI
1 stop25h 29m
Multiple Airlines
Deal found 4/15$830
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:16 pm
MCI
-
LHR
2 stops24h 29m
SWISS
Tue 9/156:00 am
LHR
-
MCI
2 stops17h 34m
SWISS
Deal found 4/15$839
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:45 am
MCI
-
LHR
2 stops18h 10m
SWISS
Thu 8/276:00 am
LHR
-
MCI
2 stops17h 34m
SWISS
Deal found 4/16$841
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:19 pm
STL
-
LGW
1 stop35h 41m
Multiple Airlines
Thu 6/42:00 pm
LGW
-
STL
2 stops35h 23m
Multiple Airlines
Deal found 4/16$843
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/810:35 am
MCI
-
LGW
1 stop17h 25m
Multiple Airlines
Thu 5/282:00 pm
LGW
-
MCI
2 stops33h 29m
Multiple Airlines
Deal found 4/15$844
This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:30 pm
STL
-
LHR
2 stops20h 30m
Scandinavian Airlines
Tue 10/206:40 am
LHR
-
STL
2 stops20h 09m
Scandinavian Airlines
Deal found 4/19$850
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Sun 8/164:10 pm
STL
-
LGW
1 stop35h 50m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
STL
1 stop16h 14m
Multiple Airlines
Deal found 4/19$850
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:24 pm
MCI
-
LGW
2 stops57h 36m
Multiple Airlines
Tue 5/262:00 pm
LGW
-
MCI
1 stop25h 29m
Multiple Airlines
Deal found 4/18$850
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 5/66:24 pm
MCI
-
LGW
2 stops29h 56m
Multiple Airlines
Wed 5/272:00 pm
LGW
-
MCI
1 stop25h 29m
Multiple Airlines
Deal found 4/15$852

Find flight deals from Missouri to London

Keep the following information in mind while searching for Missouri to London flight deals. Data was last updated April 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Kiwi.com)

One-way from

$330
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$743

Good round-trip deal

$986 or less

Good one-way deal

$511 or less
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-London (LON) flights.
Search Deals
From Missouri to London (LON)
Search Deals
One-way flight from Missouri to London (LON)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Missouri to London (LON).
Search Deals
Price to beat on a one-way flight from Missouri to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to London 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 April 20, 2026.
Use the filters below to find and compare flights from Missouri to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Fri 5/8

10:35 am-10:00 am

1 stop17h 25m

London Gatwick

Wed 5/13

2:00 pm-9:29 am

1 stop25h 29m

$918

ColumbiaLondon

COU - LHR

COULHR

Columbia Regional

Wed 8/19

6:17 am-6:50 am

1 stop18h 33m

London Heathrow

Mon 8/24

3:15 pm-9:16 pm

1 stop12h 01m

$947

ColumbiaLondon

COU - LHR

COULHR

Columbia Regional

Wed 8/19

6:30 pm-11:55 am

1 stop11h 25m

London Heathrow

Wed 8/26

6:50 am-5:45 pm

2 stops16h 55m

$1,009

ColumbiaLondon

COU - LHR

COULHR

Columbia Regional

Wed 8/19

9:00 am-6:30 am

2 stops15h 30m

London Heathrow

Mon 8/24

12:10 pm-5:45 pm

2 stops35h 35m

$1,014

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 5/5

6:30 am-7:10 am

1 stop18h 40m

London Heathrow

Tue 5/12

6:30 am-4:57 pm

2 stops16h 27m

$1,030

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 5/6

9:50 am-9:15 am

1 stop17h 25m

London Heathrow

Wed 5/13

6:30 am-4:57 pm

2 stops16h 27m

$1,030

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Wed 6/3

10:35 am-10:00 am

1 stop17h 25m

London Gatwick

Wed 6/10

2:00 pm-9:29 am

1 stop25h 29m

$1,034

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 5/11

12:21 pm-10:20 am

2 stops15h 59m

London Heathrow

Thu 5/21

6:30 am-4:57 pm

2 stops16h 27m

$1,035

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 5/12

10:32 am-7:10 am

1 stop14h 38m

London Heathrow

Thu 5/21

6:15 am-4:57 pm

2 stops16h 42m

$1,038

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Wed 5/6

12:17 pm-9:25 am

2 stops15h 08m

London Gatwick

Wed 5/13

10:25 am-8:52 pm

2 stops16h 27m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

Best time to book a flight from Missouri to London

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

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

Currently, April is the cheapest month in which you can book a flight from Missouri to London (average of $117). Flying from Missouri to London in May is currently the most expensive (average of $1,961). 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 Missouri to London?

Related info for your journey

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

    Airlines like United Airlines, Delta, and Turkish Airlines fly from Missouri to London in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 39h 25m. The distance from Missouri to London is about 4254 mi. This flight may include one or multiple stops.

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

    $224 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $284 and $284, respectively.

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

    The most popular flight routes from Missouri to London are Lambert-St Louis - London Heathrow, Kansas City - London Heathrow and Lambert-St Louis - London Gatwick.

  • What are the cheapest flights from Missouri to London?

    On average you can expect to pay $1,564 for a flight from Missouri to London. The cheapest flight overall is $363 while the most popular route, (Lambert-St Louis - London Heathrow) is currently priced at $850.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to London 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 Missouri to London?

    Currently, April is the cheapest month in which you can book a flight from Missouri to London (average of $117). Flying from Missouri to London in May is currently the most expensive (average of $1,961). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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.

Top 9 airlines flying from Missouri to London

Discover the top 9 airlines that operate flights from Missouri to London. 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 April 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$483Average$943FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$529Average$696FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$533Average$907FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$538Average$821FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$563Average$941FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$572Average$862FlexibilityNo cancel feeOn-time67%
IberiaCheapest$577Average$936FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$580Average$932FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$629Average$809FlexibilityNo cancel feeOn-time72%

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.
Site
©2026 Cheapflights