HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$244+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LON
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
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 June 20, 2026.

This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 am
SGF
-
LHR
1 stop19h 55m
United Airlines
Wed 11/46:50 am
LHR
-
SGF
2 stops16h 29m
United Airlines
Deal found 6/16$876
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:40 am
SGF
-
LHR
2 stops17h 35m
Delta
Wed 11/46:30 am
LHR
-
SGF
2 stops17h 40m
Delta
Deal found 6/19$880
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:50 am
SGF
-
LHR
1 stop16h 50m
United Airlines
Fri 11/277:30 am
LHR
-
SGF
2 stops19h 53m
United Airlines
Deal found 6/19$887
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:24 pm
SGF
-
LHR
1 stop11h 26m
British Airways
Wed 11/42:10 pm
LHR
-
SGF
1 stop12h 59m
British Airways
Deal found 6/19$892
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:15 pm
SGF
-
LHR
1 stop11h 45m
United Airlines
Thu 11/267:40 am
LHR
-
SGF
1 stop12h 39m
United Airlines
Deal found 6/19$905
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:30 pm
SGF
-
LHR
2 stops13h 25m
Delta
Fri 11/274:40 pm
LHR
-
SGF
2 stops24h 31m
Delta
Deal found 6/19$909
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 pm
SGF
-
LHR
1 stop29h 40m
Delta
Fri 11/2712:30 pm
LHR
-
SGF
1 stop16h 02m
Delta
Deal found 6/19$910
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:15 pm
SGF
-
LHR
1 stop29h 40m
United Airlines
Fri 11/277:30 am
LHR
-
SGF
2 stops19h 53m
United Airlines
Deal found 6/19$925
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:30 pm
SGF
-
LHR
1 stop13h 50m
Delta
Mon 10/126:30 am
LHR
-
SGF
2 stops17h 40m
Delta
Deal found 6/18$926
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:25 am
MCI
-
LHR
2 stops17h 15m
United Airlines
Wed 7/298:00 am
LHR
-
MCI
1 stop14h 00m
United Airlines
Deal found 6/16$1,064
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Thu 9/33:14 pm
MCI
-
LHR
1 stop11h 16m
United Airlines
Mon 9/218:00 am
LHR
-
MCI
1 stop12h 18m
United Airlines
Deal found 6/18$1,065
This oojo deal was found by Cheapflights users on 6/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:46 pm
MCI
-
LHR
1 stop31h 19m
British Airways
Tue 8/111:10 pm
LHR
-
MCI
1 stop17h 25m
British Airways
Deal found 6/17$1,066

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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$876
(United Airlines)

One-way from

$244
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,399

Good round-trip deal

$1,071 or less

Good one-way deal

$374 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. 28% potential increase in price ($344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 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

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/28

6:35 am-7:30 am

1 stop19h 55m

London Heathrow

Wed 11/4

6:50 am-5:19 pm

2 stops16h 29m

$876

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/7

3:30 pm-11:20 am

1 stop13h 50m

London Heathrow

Mon 10/12

6:30 am-6:10 pm

2 stops17h 40m

$926

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Thu 10/15

11:40 am-6:25 am

1 stop12h 45m

London Heathrow

Thu 10/22

6:30 am-6:10 pm

2 stops17h 40m

$927

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 12/13

8:00 am-6:40 am

2 stops16h 40m

London Heathrow

Mon 12/28

9:30 am-2:19 pm

2 stops34h 49m

$980

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 9/1

6:37 pm-11:55 am

1 stop11h 18m

London Heathrow

Sat 9/19

6:50 am-10:02 pm

2 stops21h 12m

$986

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 9/2

6:37 pm-11:55 am

1 stop11h 18m

London Heathrow

Sat 9/19

6:50 am-10:02 pm

2 stops21h 12m

$986

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 11/23

6:45 pm-11:40 am

1 stop10h 55m

London Heathrow

Sat 11/28

8:55 am-6:10 pm

1 stop15h 15m

$998

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 11/23

6:45 pm-11:40 am

1 stop10h 55m

London Heathrow

Sun 11/29

8:55 am-6:10 pm

1 stop15h 15m

$998

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sat 11/21

6:15 pm-6:40 am

2 stops30h 25m

London Heathrow

Sat 11/28

10:00 am-9:28 pm

1 stop17h 28m

$1,035

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 9/10

6:29 am-2:40 pm

2 stops26h 11m

London Gatwick

Sat 9/12

2:00 pm-7:39 pm

1 stop35h 39m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

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 $2,060). 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 MO to LON?

Find hourly flight availability from Missouri to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 20, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to London as you normally would.

How much does it cost to fly round-trip from Missouri to London?

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

The best time to book flights from Missouri to London is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 SWISS fly from Missouri to London in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 6h 05m. The distance from Missouri to London is about 4376 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.

  • 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 $2,060). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
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 June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$483Average$892FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$529Average$897FlexibilityNo cancel feeOn-time77%
KLMCheapest$529Average$690FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$532Average$916FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$572Average$868FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$572Average$933FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$576Average$838FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$631Average$868FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$635Average$1,131FlexibilityNo cancel feeOn-time76%

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