How long is the flight from Missouri to London?

Airlines like British Airways, Delta, and American Airlines fly from Missouri to London in about 12h 54m. The time it takes to get you to your destination can typically vary by up to 5h 34m. 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?

$446 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and Iberia, with prices starting from $446 and $446, respectively.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 most popular airlines that fly from Missouri to London?

American Airlines, Air Canada and British Airways are the most popular airlines when flying from Missouri to London.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 11 days in advance, which can save you up to 9% on flights from Missouri to London compared to booking the week you need them. Waiting 11 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $679. For sooner than that we have options available in the next 3 days from $743.

What is the cheapest month to fly from Missouri to London?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, March can be a great choice for travel to London. Flights to London from Missouri in March are about $943 on average during March, but can be found for as low as $705.

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.

$230+ Flights from Missouri to London

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Cheap flight deals from Missouri to London

Round-trip from	$526 (Ovago)
One-way from	$265 (Kiwi.com)
Popular in	June
Cheapest in	March
Average price	$825

From Missouri to London (LON)

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One-way flight from Missouri to London (LON)

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($186 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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 August 22, 2025.

Tue 10/145:09 pmSTL - LHR

1 stop11h 41mBritish Airways

Wed 11/51:10 pmLHR - STL

1 stop13h 45mBritish Airways

Deal found 8/18

$526

Sun 9/213:56 pmSTL - LHR

1 stop12h 34mBritish Airways

Tue 10/71:10 pmLHR - STL

1 stop13h 16mBritish Airways

Deal found 8/21

$527

Tue 9/910:20 amSTL - LHR

2 stops16h 35mDelta

Tue 9/236:15 amLHR - STL

2 stops16h 33mDelta

Deal found 8/21

$528

Wed 10/810:45 amSTL - LHR

2 stops16h 05mDelta

Thu 10/166:30 amLHR - STL

2 stops14h 02mDelta

Deal found 8/21

$529

Wed 11/196:04 pmSTL - LHR

1 stop11h 56mBritish Airways

Fri 12/511:45 amLHR - STL

1 stop13h 19mBritish Airways

Deal found 8/21

$530

Wed 10/85:09 pmSTL - LHR

1 stop11h 41mBritish Airways

Tue 10/141:10 pmLHR - STL

1 stop13h 16mBritish Airways

Deal found 8/20

$531

Wed 11/122:51 pmSTL - LHR

1 stop10h 09mIberia

Tue 11/182:10 pmLHR - STL

1 stop12h 13mIberia

Deal found 8/19

$532

Sun 12/710:45 amSTL - LHR

2 stops14h 05mVirgin Atlantic

Tue 12/161:05 pmLHR - STL

2 stops15h 57mVirgin Atlantic

Deal found 8/21

$536

Tue 11/111:20 pmSTL - LHR

2 stops19h 00mBritish Airways

Tue 11/186:45 pmLHR - STL

2 stops31h 38mBritish Airways

Deal found 8/18

$538

Sat 10/118:00 pmSTL - LHR

1 stop29h 20mBritish Airways

Tue 10/212:25 pmLHR - STL

1 stop12h 01mBritish Airways

Deal found 8/20

$539

Sun 10/57:22 amSTL - LGW

2 stops18h 28mAmerican Airlines

Sun 10/1210:40 amLGW - STL

2 stops19h 14mAmerican Airlines

Deal found 8/21

$543

Tue 11/1111:51 amSTL - LHR

2 stops14h 34mIberia

Tue 11/251:10 pmLHR - STL

1 stop13h 45mIberia

Deal found 8/18

$546

Best flights from Missouri to London
Discover carefully curated flight deals from Missouri to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2025.

Tue 9/92:11 pmSTL - LHR

1 stop12h 54mBritish Airways

Tue 9/239:15 amLHR - STL

1 stop12h 22mBritish Airways

Deal found 8/19

$526

Tue 9/910:20 amSTL - LHR

2 stops16h 35mDelta

Tue 9/236:15 amLHR - STL

2 stops16h 33mDelta

Deal found 8/21

$528

Wed 10/85:09 pmSTL - LHR

1 stop11h 41mIberia

Thu 10/1612:15 pmLHR - STL

1 stop14h 11mIberia

Deal found 8/21

$530

Sun 10/57:22 amSTL - LGW

2 stops18h 28mAmerican Airlines

Sun 10/1210:40 amLGW - STL

2 stops19h 14mAmerican Airlines

Deal found 8/21

$543

Tue 11/1111:45 amSGF - LHR

1 stop15h 15mKLM

Wed 11/268:55 amLHR - SGF

1 stop19h 37mKLM

Deal found 8/21

$630

Fri 9/265:15 amMCI - LGW

1 stop22h 45mMultiple Airlines

Sat 10/42:00 pmLGW - MCI

1 stop15h 07mMultiple Airlines

Deal found 8/20

$661

Fri 9/121:14 pmMCI - LHR

1 stop19h 11mFinnair

Tue 9/168:20 amLHR - MCI

1 stop16h 45mFinnair

Deal found 8/19

$673

Wed 11/511:37 amMCI - LCY

2 stops15h 28mLufthansa

Wed 11/199:50 amLCY - MCI

2 stops17h 20mLufthansa

Deal found 8/21

$773

Wed 9/101:45 pmMCI - LCY

2 stops37h 05mSWISS

Sun 9/142:20 pmLCY - MCI

2 stops36h 22mSWISS

Deal found 8/19

$920

Tue 10/145:09 pmSTL - LHR

1 stop11h 41mBritish Airways

Wed 11/51:10 pmLHR - STL

1 stop13h 45mBritish Airways

Deal found 8/18

$526

Wed 9/1010:45 amSTL - LHR

2 stops16h 05mDelta

Wed 9/2411:30 amLHR - STL

2 stops16h 30mDelta

Deal found 8/21

$528

Tue 10/145:09 pmSTL - LHR

1 stop11h 41mBritish Airways

Wed 10/222:25 pmLHR - STL

1 stop12h 01mBritish Airways

Deal found 8/18

$526

Last-minute flights from Missouri to London
Discover last-minute flight deals from Missouri to London. Data last updated August 22, 2025 and is based on user searches.

Wed 9/312:28 pmSTL - LHR

1 stop11h 57mIberia

Wed 9/1012:15 pmLHR - STL

1 stop15h 38mIberia

Deal found 8/20

$532

Thu 9/412:28 pmSTL - LHR

1 stop11h 57mIberia

Thu 9/116:45 pmLHR - STL

2 stops31h 47mIberia

Deal found 8/20

$571

Thu 9/41:03 pmSTL - LHR

1 stop15h 17mIberia

Tue 9/168:00 pmLHR - STL

2 stops31h 53mIberia

Deal found 8/19

$572

Thu 9/43:59 pmSTL - LHR

1 stop14h 46mBritish Airways

Tue 9/163:00 pmLHR - STL

1 stop14h 07mBritish Airways

Deal found 8/21

$580

Mon 9/85:59 pmSGF - LHR

1 stop13h 31mDelta

Wed 9/249:00 amLHR - SGF

2 stops19h 02mDelta

Deal found 8/21

$622

Tue 9/92:11 pmSTL - LHR

1 stop12h 54mBritish Airways

Tue 9/239:15 amLHR - STL

1 stop12h 22mBritish Airways

Deal found 8/19

$526

Tue 9/910:20 amSTL - LHR

2 stops16h 35mDelta

Tue 9/236:15 amLHR - STL

2 stops16h 33mDelta

Deal found 8/21

$528

Tue 9/92:11 pmSTL - LHR

1 stop12h 54mBritish Airways

Sun 9/149:15 amLHR - STL

1 stop12h 31mBritish Airways

Deal found 8/19

$576

Tue 9/912:28 pmSTL - LHR

1 stop18h 17mFinnair

Mon 9/2210:30 amLHR - STL

1 stop13h 52mFinnair

Deal found 8/20

$577

Sun 9/213:56 pmSTL - LHR

1 stop12h 34mBritish Airways

Tue 10/71:10 pmLHR - STL

1 stop13h 16mBritish Airways

Deal found 8/21

$527

Sun 9/216:00 pmSTL - LHR

2 stops13h 50mDelta

Tue 10/76:15 amLHR - STL

2 stops17h 00mDelta

Deal found 8/21

$555

Sun 9/2112:15 pmSTL - LCY

2 stops13h 55mDelta

Tue 10/77:45 amLCY - STL

2 stops15h 30mDelta

Deal found 8/21

$581

One-way flights from Missouri to London
Search for one-way flight options from Missouri to London. Find affordable one-way fares based on user searches. Data last updated August 22, 2025.

Sat 9/204:05 pmMCI - LHR

2 stops43h 40mMultiple Airlines

Deal found 8/21

$265

Sat 9/204:05 pmMCI - LGW

1 stop36h 50mMultiple Airlines

Deal found 8/21

$275

Sat 11/151:44 pmMCI - LGW

3 stops24h 56mMultiple Airlines

Deal found 8/21

$291

Sat 11/157:00 amMCI - LHR

3 stops33h 40mMultiple Airlines

Deal found 8/21

$293

Tue 9/94:05 pmMCI - LGW

1 stop36h 50mMultiple Airlines

Deal found 8/20

$293

Mon 9/155:15 amMCI - LHR

3 stops31h 35mMultiple Airlines

Deal found 8/20

$296

Fri 10/177:52 pmSTL - LHR

3 stops39h 53mMultiple Airlines

Deal found 8/19

$304

Sun 9/215:15 amMCI - LHR

3 stops58h 45mMultiple Airlines

Deal found 8/20

$308

Sun 10/1910:17 amSTL - LHR

3 stops26h 33mMultiple Airlines

Deal found 8/19

$311

Sun 9/144:00 pmSTL - LHR

3 stops48h 00mMultiple Airlines

Deal found 8/21

$318

Thu 9/184:05 pmMCI - LGW

1 stop36h 50mMultiple Airlines

Deal found 8/19

$321

Thu 9/185:15 pmMCI - LHR

3 stops59h 05mMultiple Airlines

Deal found 8/19

$326

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 9/9

2:11 pm-9:05 am

1 stop12h 54m

London Heathrow

Tue 9/23

9:15 am-3:37 pm

1 stop12h 22m

$526

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 10/14

5:09 pm-10:50 am

1 stop11h 41m

London Heathrow

Wed 11/5

1:10 pm-8:55 pm

1 stop13h 45m

$526

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 10/14

5:09 pm-10:50 am

1 stop11h 41m

London Heathrow

Wed 10/22

2:25 pm-8:26 pm

1 stop12h 01m

$526

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 9/21

3:56 pm-10:30 am

1 stop12h 34m

London Heathrow

Tue 10/7

1:10 pm-8:26 pm

1 stop13h 16m

$527

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 9/9

10:20 am-8:55 am

2 stops16h 35m

London Heathrow

Tue 9/23

6:15 am-4:48 pm

2 stops16h 33m

$528

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 9/10

10:45 am-8:50 am

2 stops16h 05m

London Heathrow

Wed 9/24

11:30 am-10:00 pm

2 stops16h 30m

$528

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 10/8

10:45 am-8:50 am

2 stops16h 05m

London Heathrow

Thu 10/16

6:30 am-2:32 pm

2 stops14h 02m

$529

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 10/8

5:09 pm-10:50 am

1 stop11h 41m

London Heathrow

Thu 10/16

12:15 pm-8:26 pm

1 stop14h 11m

$530

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 11/12

3:59 pm-10:00 am

1 stop12h 01m

London Heathrow

Tue 11/18

11:00 am-4:47 pm

1 stop11h 47m

$530

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 11/19

6:04 pm-12:00 pm

1 stop11h 56m

London Heathrow

Fri 12/5

11:45 am-7:04 pm

1 stop13h 19m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 60 results

...

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, November is the cheapest month in which you can book a flight from Missouri to London (average of $661). Flying from Missouri to London in June is currently the most expensive (average of $1,097). 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?

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.

Related info for your journey

How long is the flight from Missouri to London?
Airlines like British Airways, Delta, and American Airlines fly from Missouri to London in about 12h 54m. The time it takes to get you to your destination can typically vary by up to 5h 34m. 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?
$446 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and Iberia, with prices starting from $446 and $446, 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, November is the cheapest month in which you can book a flight from Missouri to London (average of $661). Flying from Missouri to London in June is currently the most expensive (average of $1,097). 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

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Thornton Heath

Southend-on-Sea

Harrow

Canterbury

Croydon

Dartford

Dover

Orpington

Gatwick

Borehamwood

Aylesbury

Chelmsford

Bedford

Folkestone

Chichester

Arundel

Eastbourne

Milton Keynes

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Top 10 airlines flying from Missouri to London

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$530	Average$791	FlexibilityNo cancel fee	On-time75%
Finnair	Cheapest$599	Average$813	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$620	Average$875	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$631	Average$952	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$657	Average$958	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$658	Average$950	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$662	Average$1,009	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$668	Average$888	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$669	Average$1,102	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$686	Average$903	FlexibilityNo cancel fee	On-time69%

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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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

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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 August 22, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to London

Cheapest flights from Missouri to LondonExplore 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 22, 2025.

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 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to London that are best for you.

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.

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?

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 22, 2025.

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?

What are the cheapest airlines to fly from Missouri to London one-way?

What are the most popular routes from Missouri to London?

Can I find deals for flights from Missouri to London that include hotel bookings?

How can I find direct flights from Missouri to London?

Can I find deals for business class flights from Missouri to London?

What is the cheapest month to book a flight from Missouri to London?

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Alternative routes for Missouri to London

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Top 10 airlines flying from Missouri to London

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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 22, 2025.