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$230+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
Sep 16 — Sep 231
Wed 9/16
Wed 9/23
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 August 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/184:30 pm -
1 stop35h 30m
Wed 11/410:10 am -
2 stops29h 30m
Deal found 8/16$655
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:29 pm -
2 stops37h 31m
Wed 9/302:00 pm -
1 stop33h 54m
Deal found 8/12$661
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/184:30 pm -
1 stop35h 30m
Tue 11/310:10 am -
2 stops29h 30m
Deal found 8/16$669
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/236:35 pm -
2 stops33h 25m
Sun 11/112:35 pm -
1 stop37h 04m
Deal found 8/15$671
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/184:30 pm -
1 stop35h 30m
Thu 11/511:00 am -
2 stops28h 40m
Deal found 8/16$681
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:30 pm -
1 stop35h 30m
Thu 10/2911:00 am -
2 stops51h 40m
Deal found 8/12$693
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:30 pm -
1 stop32h 30m
Tue 11/310:10 am -
2 stops53h 30m
Deal found 8/14$695
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
1 stop35h 30m
Tue 10/2710:10 am -
2 stops52h 30m
Deal found 8/12$696
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/184:30 pm -
1 stop35h 30m
Sun 11/812:35 pm -
1 stop37h 04m
Deal found 8/16$703
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:30 pm -
1 stop35h 30m
Tue 10/2710:10 am -
2 stops52h 30m
Deal found 8/12$704
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:05 pm -
2 stops33h 05m
Wed 12/96:35 am -
2 stops38h 51m
Deal found 8/16$744
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:19 pm -
1 stop10h 36m
Wed 11/186:50 am -
2 stops17h 58m
Deal found 8/12$747

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 August 17, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$655
(Kiwi.com)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$939

Good round-trip deal

$1,016 or less

Good one-way deal

$541 or less
Provider with most accurate pricing for Kansas City-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Kansas City-London (LON) flights.
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From Missouri to London (LON)
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One-way flight from Missouri to London (LON)
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Highest demand for flights based on searches. 25% potential increase in price ($320 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Missouri to London (LON).
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Price to beat on a one-way flight from Missouri to London (LON).
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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 August 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 Springfield-Branson - LHR London Heathrow

SGFLHR

Springfield-Branson

Sun 11/15

6:40 pm-7:55 am

1 stop31h 15m

London Heathrow

Wed 11/18

6:50 am-9:56 pm

2 stops21h 06m

$752

SpringfieldLondon

SGF Springfield-Branson - LHR London Heathrow

SGFLHR

Springfield-Branson

Sun 11/15

11:12 am-7:55 am

1 stop14h 43m

London Heathrow

Tue 11/17

6:35 am-9:01 pm

2 stops20h 26m

$818

Kansas CityLondon

MCI Kansas City - LHR London Heathrow

MCILHR

Kansas City

Thu 2/4

5:05 pm-9:40 am

1 stop34h 35m

London Heathrow

Sun 2/7

6:50 am-4:19 pm

2 stops15h 29m

$867

Kansas CityLondon

MCI Kansas City - LHR London Heathrow

MCILHR

Kansas City

Tue 9/29

12:20 pm-6:25 am

1 stop12h 05m

London Heathrow

Wed 10/21

9:55 am-8:18 pm

2 stops16h 23m

$886

Kansas CityLondon

MCI Kansas City - LHR London Heathrow

MCILHR

Kansas City

Wed 9/23

12:22 pm-1:05 pm

1 stop18h 43m

London Heathrow

Tue 9/29

6:30 am-3:09 pm

2 stops14h 39m

$886

Kansas CityLondon

MCI Kansas City - LHR London Heathrow

MCILHR

Kansas City

Tue 9/29

2:26 pm-1:15 pm

1 stop16h 49m

London Heathrow

Tue 10/20

9:55 am-8:49 pm

2 stops16h 54m

$886

SpringfieldLondon

SGF Springfield-Branson - LHR London Heathrow

SGFLHR

Springfield-Branson

Tue 9/22

4:58 pm-11:35 am

1 stop12h 37m

London Heathrow

Tue 10/20

7:25 am-5:50 pm

2 stops16h 25m

$886

SpringfieldLondon

SGF Springfield-Branson - LHR London Heathrow

SGFLHR

Springfield-Branson

Wed 10/28

3:15 pm-10:25 am

2 stops14h 10m

London Heathrow

Wed 11/4

6:50 am-6:05 pm

2 stops17h 15m

$890

Kansas CityLondon

MCI Kansas City - LGW London Gatwick

MCILGW

Kansas City

Tue 9/29

12:22 pm-9:25 am

2 stops15h 03m

London Gatwick

Wed 10/21

10:25 am-8:18 pm

2 stops15h 53m

$898
Quickest round-trip

Kansas CityLondon

MCI Kansas City - LHR London Heathrow

MCILHR

Kansas City

Wed 9/23

5:13 pm-12:35 pm

1 stop13h 22m

London Heathrow

Fri 10/2

12:15 pm-7:46 pm

1 stop13h 31m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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, February is the cheapest month in which you can book a flight from Missouri to London (average of $710). Flying from Missouri to London in June is currently the most expensive (average of $1,432). 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 August 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?

Airfare is below average for this route at the moment.
Missouri to London flights typically cost between $723 and $1,040 in October.
The cheapest round-trip price found within the last 5 days was $655 on Multiple Airlines (Oct 18-Nov 4).

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

The best time to book flights from Missouri to London is 30 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 12h 05m. The time it takes to get you to your destination can typically vary by up to 19h 10m. 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 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 Kansas City - London Gatwick.

  • What are the most reliable airlines from Missouri to London?

    The top 3 most reliable airlines when flying from Missouri to London are American Airlines (71%), Aer Lingus (71%) and Finnair (71%).

  • What are the cheapest flights from Missouri to London?

    On average you can expect to pay $2,479 for a flight from Missouri to London. The cheapest flight overall is $501 while the most popular route, (Lambert-St Louis - London Heathrow) is currently priced at $744.

  • 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 $710). Flying from Missouri to London in June is currently the most expensive (average of $1,432). 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
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

Browse thousands of different options on Cheapflights for your next trip

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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 August 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$483Average$1,051FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$497Average$815FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$572Average$961FlexibilityNo cancel feeOn-time67%
IberiaCheapest$580Average$998FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$580Average$1,021FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$581Average$900FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$596Average$959FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$602Average$907FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$635Average$1,127FlexibilityNo cancel feeOn-time76%
KLMCheapest$677Average$766FlexibilityNo cancel feeOn-time75%

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