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$223+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap flight deals from Missouri to London

Keep the following information in mind while searching for Missouri to London flight deals. Data was last updated enero 15, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$578
(Iberia)

One-way from

$223
(oojo)

Popular in

June

Cheapest in

November

Average price

$716

Good round-trip deal

$708 or less

Good one-way deal

$459 or less
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-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. 26% potential increase in price ($305 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in January 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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Find 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 enero 15, 2026.

This Iberia deal was found by Cheapflights users on 1/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1111:55 am
MCI
-
LHR
1 stop16h 05m
Iberia
mié. 2/188:50 pm
LHR
-
MCI
2 stops31h 59m
Iberia
Deal found 1/13$578
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/58:28 am
SGF
-
LHR
1 stop17h 37m
British Airways
mar. 5/197:25 pm
LHR
-
SGF
2 stops31h 05m
British Airways
Deal found 1/13$581
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/1612:11 pm
MCI
-
LHR
1 stop13h 09m
British Airways
lun. 2/237:40 pm
LHR
-
MCI
2 stops29h 47m
British Airways
Deal found 1/14$582
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/166:40 am
MCI
-
LGW
2 stops23h 45m
British Airways
lun. 2/237:30 pm
LGW
-
MCI
2 stops29h 19m
British Airways
Deal found 1/14$582
This Booking.com deal was found by Cheapflights users on 1/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1111:29 am
MCI
-
LHR
2 stops15h 51m
Multiple Airlines
mié. 2/1811:10 am
LHR
-
MCI
2 stops16h 49m
Multiple Airlines
Deal found 1/13$587
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/188:00 am
MCI
-
LHR
1 stop16h 55m
United Airlines
mar. 3/241:25 pm
LHR
-
MCI
2 stops29h 55m
United Airlines
Deal found 1/13$588
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mié. 2/43:24 pm
MCI
-
LHR
1 stop10h 31m
United Airlines
mar. 2/101:25 pm
LHR
-
MCI
2 stops34h 16m
United Airlines
Deal found 1/14$589
This Mytrip deal was found by Cheapflights users on 1/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/109:05 am
MCI
-
LHR
2 stops16h 05m
Multiple Airlines
mar. 2/176:35 am
LHR
-
MCI
2 stops21h 24m
Multiple Airlines
Deal found 1/12$590
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/178:45 am
MCI
-
LHR
2 stops17h 25m
Air Canada
mar. 3/241:25 pm
LHR
-
MCI
2 stops29h 55m
Air Canada
Deal found 1/13$591
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1111:55 am
MCI
-
LHR
1 stop12h 55m
British Airways
mié. 2/182:45 pm
LHR
-
MCI
1 stop13h 41m
British Airways
Deal found 1/13$593
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/94:33 pm
SGF
-
LHR
1 stop14h 42m
British Airways
mar. 3/312:25 pm
LHR
-
SGF
1 stop14h 09m
British Airways
Deal found 1/14$593
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/181:15 pm
MCI
-
LHR
2 stops14h 15m
Air Canada
mar. 3/241:25 pm
LHR
-
MCI
2 stops27h 54m
Air Canada
Deal found 1/13$596

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 enero 15, 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

lun. 2/16

6:40 am-12:25 pm

2 stops23h 45m

London Gatwick

lun. 2/23

7:30 pm-6:49 pm

2 stops29h 19m

$582

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mar. 2/10

6:30 pm-11:15 am

1 stop10h 45m

London Heathrow

mar. 2/17

1:25 pm-3:45 pm

2 stops32h 20m

$588

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

lun. 2/16

6:30 am-9:00 am

2 stops20h 30m

London Gatwick

lun. 2/23

12:30 pm-11:59 pm

2 stops17h 29m

$597

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mié. 3/11

6:15 am-7:30 am

1 stop20h 15m

London Heathrow

mar. 3/17

6:50 am-8:41 pm

2 stops18h 51m

$598

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

dom. 4/26

8:00 am-6:45 am

1 stop16h 45m

London Heathrow

mar. 5/5

2:05 pm-2:31 pm

2 stops30h 26m

$604

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mié. 4/15

5:45 pm-10:40 am

1 stop10h 55m

London Heathrow

mié. 5/6

2:05 pm-11:37 pm

2 stops39h 32m

$605

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

lun. 5/11

6:16 am-7:40 am

1 stop19h 24m

London Heathrow

vie. 5/22

2:05 pm-9:29 pm

2 stops37h 24m

$605

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

lun. 4/13

6:15 am-6:45 am

1 stop18h 30m

London Heathrow

mar. 4/21

9:30 am-4:48 pm

2 stops37h 18m

$605

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

lun. 2/16

9:59 am-10:15 am

1 stop18h 16m

London Heathrow

lun. 2/23

11:45 am-9:07 pm

2 stops15h 22m

$606

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mié. 3/11

9:33 am-7:50 am

1 stop17h 17m

London Heathrow

mar. 3/17

9:40 am-7:19 pm

1 stop14h 39m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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, August is the cheapest month in which you can book a flight from Missouri to London (average of $530). 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 British Airways, United Airlines, and American Airlines fly from Missouri to London in about 10h 45m. The time it takes to get you to your destination can typically vary by up to 13h. 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 $861 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 $552.

  • 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, August is the cheapest month in which you can book a flight from Missouri to London (average of $530). 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
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$529Average$736FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$533Average$877FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$573Average$964FlexibilityNo cancel feeOn-time67%
DeltaCheapest$577Average$932FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$580Average$925FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$580Average$897FlexibilityNo cancel feeOn-time70%
IberiaCheapest$597Average$985FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$602Average$1,102FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$615Average$837FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$629Average$977FlexibilityNo cancel feeOn-time71%

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