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$217+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
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 February 14, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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 3/1011:33 am
MCI
-
LHR
1 stop15h 22m
United Airlines
Tue 3/176:50 am
LHR
-
MCI
2 stops20h 09m
United Airlines
Deal found 2/10$632
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 3/54:24 pm
MCI
-
LGW
1 stop35h 36m
Multiple Airlines
Mon 3/92:00 pm
LGW
-
MCI
1 stop30h 29m
Multiple Airlines
Deal found 2/10$632
This lastminute.com deal was found by Cheapflights users on 2/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:45 pm
SGF
-
LHR
1 stop29h 40m
Virgin Atlantic
Mon 11/98:25 pm
LHR
-
SGF
2 stops32h 07m
Virgin Atlantic
Deal found 2/12$636
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 4/2111:30 am
MCI
-
LHR
2 stops17h 10m
Lufthansa
Thu 4/3010:50 am
LHR
-
MCI
2 stops18h 11m
Lufthansa
Deal found 2/11$637
This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
MCI
-
LHR
2 stops22h 00m
Multiple Airlines
Wed 5/209:00 am
LHR
-
MCI
2 stops18h 59m
Multiple Airlines
Deal found 2/9$643
This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:00 pm
STL
-
LHR
2 stops13h 35m
Multiple Airlines
Wed 5/136:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 2/9$643
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/298:00 am
MCI
-
LHR
2 stops20h 00m
Multiple Airlines
Fri 4/176:00 am
LHR
-
MCI
2 stops15h 55m
Multiple Airlines
Deal found 2/9$644
This Gotogate deal was found by Cheapflights users on 2/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:05 pm
STL
-
LHR
1 stop13h 45m
Multiple Airlines
Fri 5/86:30 am
LHR
-
STL
1 stop12h 55m
Multiple Airlines
Deal found 2/12$644
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/1010:00 am
STL
-
LHR
2 stops16h 10m
United Airlines
Tue 3/1711:10 am
LHR
-
STL
2 stops16h 49m
United Airlines
Deal found 2/10$645
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 9/86:49 pm
STL
-
LHR
2 stops15h 51m
Lufthansa
Wed 9/166:30 am
LHR
-
STL
1 stop12h 55m
Lufthansa
Deal found 2/11$646
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:57 pm
STL
-
LHR
1 stop11h 03m
British Airways
Fri 2/2711:45 am
LHR
-
STL
1 stop13h 45m
British Airways
Deal found 2/12$647
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/18:00 am
MCI
-
LHR
1 stop18h 30m
United Airlines
Thu 4/96:50 am
LHR
-
MCI
2 stops21h 09m
United Airlines
Deal found 2/9$648

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 February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$632
(United Airlines)

One-way from

$217
(Expedia)

Popular in

June

Cheapest in

January

Average price

$801

Good round-trip deal

$666 or less

Good one-way deal

$515 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 ($307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 14, 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 - LGW

MCILGW

Kansas City

Thu 3/5

4:24 pm-10:00 am

1 stop35h 36m

London Gatwick

Mon 3/9

2:00 pm-3:29 pm

1 stop30h 29m

$632

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 4/1

8:00 am-8:30 am

1 stop18h 30m

London Heathrow

Thu 4/9

6:50 am-9:59 pm

2 stops21h 09m

$648

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/21

10:18 am-11:35 am

1 stop19h 17m

London Heathrow

Thu 4/30

6:50 am-4:24 pm

2 stops15h 34m

$648

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 5/12

6:00 am-6:45 am

1 stop18h 45m

London Heathrow

Tue 5/19

6:50 am-10:36 am

2 stops33h 46m

$648

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 4/21

9:00 am-11:35 am

1 stop20h 35m

London Heathrow

Wed 5/13

7:25 am-5:59 pm

2 stops16h 34m

$649

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 3/16

7:40 am-7:55 am

1 stop19h 15m

London Heathrow

Wed 3/25

8:30 am-9:07 pm

2 stops17h 37m

$653

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 5/12

12:06 pm-12:05 pm

2 stops17h 59m

London Heathrow

Wed 5/20

6:30 am-6:06 pm

2 stops17h 36m

$654

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 4/21

6:05 pm-6:55 pm

2 stops18h 50m

London Heathrow

Wed 5/13

7:50 am-9:02 pm

2 stops19h 12m

$657

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 3/29

6:00 am-9:40 am

1 stop21h 40m

London Heathrow

Fri 4/17

9:30 am-4:42 pm

2 stops37h 12m

$657

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 5/5

4:41 pm-11:20 am

1 stop12h 39m

London Heathrow

Tue 5/19

6:30 am-5:05 pm

2 stops16h 35m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

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 $529). Flying from Missouri to London in June is currently the most expensive (average of $999). 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 Lufthansa fly from Missouri to London in about 12h 39m. The time it takes to get you to your destination can typically vary by up to 7h 46m. The distance from Missouri to London is about 4186 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 $1,084 for a flight from Missouri to London. The cheapest flight overall is $354 while the most popular route, (Lambert-St Louis - London Heathrow) is currently priced at $621.

  • 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 $529). Flying from Missouri to London in June is currently the most expensive (average of $999). 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
Croydon
Hounslow
Southend-on-Sea
Harrow
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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$529Average$683FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$533Average$882FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$572Average$964FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$574Average$906FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$953FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$580Average$978FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$580Average$929FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$596Average$982FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$602Average$1,114FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$615Average$846FlexibilityNo cancel feeOn-time72%

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