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$186+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 2/2411:32 am
MCI
-
LHR
2 stops17h 13m
Lufthansa
Tue 3/311:10 am
LHR
-
MCI
2 stops16h 49m
Lufthansa
Deal found 1/26$619
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Sun 3/13:50 pm
STL
-
LHR
1 stop11h 55m
Lufthansa
Fri 3/136:30 am
LHR
-
STL
1 stop13h 25m
Lufthansa
Deal found 1/27$622
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:05 pm
STL
-
LHR
1 stop10h 25m
Multiple Airlines
Wed 3/46:30 am
LHR
-
STL
1 stop13h 25m
Multiple Airlines
Deal found 1/28$627
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/14:24 pm
MCI
-
LGW
1 stop35h 36m
Multiple Airlines
Thu 3/52:00 pm
LGW
-
MCI
2 stops26h 30m
Multiple Airlines
Deal found 1/28$628
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/2412:37 pm
MCI
-
LHR
1 stop12h 03m
United Airlines
Tue 3/311:10 am
LHR
-
MCI
2 stops16h 49m
United Airlines
Deal found 1/26$630
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 3/58:05 am
MCI
-
LHR
1 stop16h 20m
Delta
Thu 3/126:30 am
LHR
-
MCI
2 stops15h 25m
Delta
Deal found 1/27$631
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/411:32 am
MCI
-
LHR
2 stops15h 48m
United Airlines
Tue 3/106:50 am
LHR
-
MCI
2 stops17h 52m
United Airlines
Deal found 1/27$633
This Delta deal was found by Cheapflights users on 1/28. 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.
Thu 2/265:35 am
MCI
-
LHR
1 stop18h 50m
Delta
Thu 3/56:30 am
LHR
-
MCI
2 stops16h 36m
Delta
Deal found 1/28$634
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:30 pm
STL
-
LHR
1 stop11h 00m
Multiple Airlines
Tue 9/296:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 1/29$634
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/258:17 pm
STL
-
LGW
2 stops31h 43m
Multiple Airlines
Thu 3/52:00 pm
LGW
-
STL
1 stop23h 02m
Multiple Airlines
Deal found 1/27$634
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
MCI
-
LHR
2 stops19h 20m
Multiple Airlines
Tue 3/107:30 am
LHR
-
MCI
2 stops18h 11m
Multiple Airlines
Deal found 1/27$635
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:30 pm
STL
-
LHR
1 stop11h 00m
Multiple Airlines
Wed 10/216:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 1/27$635

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$619
(Cheapflightsfares)

One-way from

$186
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$714

Good round-trip deal

$679 or less

Good one-way deal

$459 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. 26% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from Missouri to London that are best for you.

Fly from

Missouri

Fly to

London

Route

Depart

Return

Price

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Thu 3/5

8:05 am-6:25 am

1 stop16h 20m

London Heathrow

Thu 3/12

6:30 am-4:55 pm

2 stops15h 25m

$631

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 2/27

11:32 am-5:55 am

1 stop12h 23m

London Heathrow

Fri 3/6

6:50 am-7:42 pm

2 stops18h 52m

$633

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 3/4

1:50 pm-9:40 am

1 stop13h 50m

London Heathrow

Tue 3/10

6:50 am-8:41 pm

2 stops18h 51m

$633

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 2/28

1:26 pm-7:50 am

1 stop12h 24m

London Heathrow

Sat 3/7

6:30 am-3:26 pm

2 stops14h 56m

$634

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 5/6

9:50 am-6:45 am

1 stop14h 55m

London Heathrow

Wed 5/13

6:30 am-4:42 pm

2 stops16h 12m

$649

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 5/12

9:00 am-7:40 am

1 stop16h 40m

London Heathrow

Wed 5/20

7:25 am-5:59 pm

2 stops16h 34m

$649

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 4/1

8:10 am-6:45 am

1 stop16h 35m

London Heathrow

Tue 4/7

8:40 am-7:56 pm

2 stops17h 16m

$649

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 5/12

6:00 am-6:45 am

1 stop18h 45m

London Heathrow

Tue 5/19

7:25 am-5:59 pm

2 stops16h 34m

$649

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sat 3/28

1:00 pm-5:25 am

1 stop11h 25m

London Heathrow

Tue 4/7

6:30 am-2:24 pm

2 stops13h 54m

$649

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 4/26

6:47 pm-1:15 pm

1 stop12h 28m

London Heathrow

Tue 5/5

11:30 am-10:11 pm

2 stops16h 41m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from Missouri to London (average of $517). Flying from Missouri to London in June is currently the most expensive (average of $1,000). 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 Delta, United Airlines, and Lufthansa fly from Missouri to London in about 12h 23m. The time it takes to get you to your destination can typically vary by up to 4h 57m. The distance from Missouri to London is about 4325 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 British Airways, with prices starting from $254 and $397, 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 $670 for a flight from Missouri to London. The cheapest flight overall is $315 while the most popular route, (Lambert-St Louis - London Heathrow) is currently priced at $614.

  • 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, February is the cheapest month in which you can book a flight from Missouri to London (average of $517). Flying from Missouri to London in June is currently the most expensive (average of $1,000). 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
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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Alternative routes for Missouri to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Missouri to London

Discover the top 10 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$529Average$788FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$533Average$877FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$565Average$982FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$573Average$969FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$575Average$893FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$939FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$580Average$928FlexibilityNo cancel feeOn-time69%
IberiaCheapest$597Average$981FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$602Average$1,102FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$615Average$846FlexibilityNo cancel feeOn-time72%

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