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$218+ 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
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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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 July 17, 2026.

This United Airlines deal was found by Cheapflights users on 7/14. 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 11/113:19 pm
MCI
-
LHR
1 stop10h 36m
United Airlines
Fri 11/136:50 am
LHR
-
MCI
2 stops16h 29m
United Airlines
Deal found 7/14$746
This Travelocity deal was found by Cheapflights users on 7/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:37 pm
MCI
-
LHR
2 stops53h 53m
Multiple Airlines
Tue 12/86:30 am
LHR
-
MCI
2 stops15h 49m
Multiple Airlines
Deal found 7/13$772
This Delta deal was found by Cheapflights users on 7/13. 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 11/119:59 am
MCI
-
LHR
1 stop14h 21m
Delta
Fri 11/136:20 am
LHR
-
MCI
2 stops16h 55m
Delta
Deal found 7/13$815
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:15 pm
SGF
-
LHR
1 stop31h 40m
United Airlines
Wed 12/26:35 am
LHR
-
SGF
2 stops16h 44m
United Airlines
Deal found 7/15$855
This Expedia deal was found by Cheapflights users on 7/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:15 pm
MCI
-
LHR
1 stop12h 30m
KLM
Tue 12/156:30 am
LHR
-
MCI
2 stops15h 56m
KLM
Deal found 7/15$867
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 11/36:45 pm
MCI
-
LHR
2 stops15h 05m
Lufthansa
Tue 11/1011:10 am
LHR
-
MCI
2 stops16h 41m
Lufthansa
Deal found 7/13$869
This Orbitz deal was found by Cheapflights users on 7/12. 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.
Wed 11/111:40 pm
MCI
-
LHR
1 stop12h 10m
Iberia
Tue 11/177:30 am
LHR
-
MCI
2 stops17h 20m
Iberia
Deal found 7/12$871
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:19 pm
MCI
-
LHR
1 stop11h 36m
United Airlines
Tue 11/106:50 am
LHR
-
MCI
2 stops15h 23m
United Airlines
Deal found 7/15$875
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:03 pm
SGF
-
LHR
1 stop15h 57m
United Airlines
Wed 11/46:50 am
LHR
-
SGF
2 stops16h 29m
United Airlines
Deal found 7/15$875
This Delta deal was found by Cheapflights users on 7/12. 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 10/2610:35 am
MCI
-
LHR
1 stop14h 50m
Delta
Wed 11/410:00 am
LHR
-
MCI
2 stops16h 49m
Delta
Deal found 7/12$876
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:08 am
MCI
-
LHR
2 stops17h 02m
Multiple Airlines
Tue 11/109:00 am
LHR
-
MCI
2 stops18h 51m
Multiple Airlines
Deal found 7/15$879
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:59 am
MCI
-
LGW
2 stops15h 41m
American Airlines
Thu 10/110:45 am
LGW
-
MCI
2 stops18h 14m
American Airlines
Deal found 7/13$880

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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$746
(United Airlines)

One-way from

$218
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,297

Good round-trip deal

$1,100 or less

Good one-way deal

$587 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 ($351 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 17, 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

Sun 11/29

6:15 pm-7:55 am

1 stop31h 40m

London Heathrow

Wed 12/2

6:35 am-5:19 pm

2 stops16h 44m

$855

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/28

3:03 pm-10:50 am

2 stops14h 47m

London Heathrow

Wed 11/4

6:50 am-5:19 pm

2 stops16h 29m

$880

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 9/29

4:25 pm-11:20 am

1 stop12h 55m

London Heathrow

Tue 10/20

6:30 am-4:35 pm

2 stops16h 05m

$884

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 12/1

6:45 pm-11:40 am

1 stop10h 55m

London Heathrow

Thu 12/10

6:20 am-6:10 pm

2 stops17h 50m

$884

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Wed 11/18

12:16 pm-9:00 am

2 stops14h 44m

London Gatwick

Tue 11/24

10:00 am-10:26 pm

2 stops18h 26m

$886

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sat 12/5

3:10 pm-7:50 am

1 stop34h 40m

London Heathrow

Fri 12/11

7:30 am-9:23 pm

2 stops19h 53m

$892

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Tue 9/29

12:22 pm-9:25 am

2 stops15h 03m

London Gatwick

Tue 10/20

10:35 am-9:05 pm

2 stops16h 30m

$896

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 12/1

2:16 pm-10:00 am

1 stop13h 44m

London Heathrow

Thu 12/10

10:15 am-8:44 pm

1 stop16h 29m

$901

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/28

6:40 pm-1:25 pm

1 stop13h 45m

London Heathrow

Wed 11/4

8:20 am-5:30 pm

1 stop15h 10m

$903

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 9/29

3:20 pm-11:35 am

1 stop14h 15m

London Heathrow

Tue 10/20

2:10 pm-10:04 pm

1 stop13h 54m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $2,069). 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 July 17, 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 Virgin Atlantic fly from Missouri to London in about 10h 55m. The time it takes to get you to your destination can typically vary by up to 20h 45m. 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 Delta and United Airlines, 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 $2,069). 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
Wembley
Harrow
Eastleigh
Dartford
Southend-on-Sea
Watford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$483Average$951FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$497Average$815FlexibilityNo cancel feeOn-time72%
IberiaCheapest$529Average$949FlexibilityNo cancel feeOn-time77%
KLMCheapest$529Average$724FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$532Average$932FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$572Average$962FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$572Average$940FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$576Average$857FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$635Average$1,127FlexibilityNo cancel feeOn-time76%

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