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

$426 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Canada and KLM, with prices starting from $462 and $466, 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, Lambert-St Louis - London Gatwick and Kansas City - London Heathrow.

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 34 days in advance, which can save you up to 5% on flights from Missouri to London compared to booking the week you need them. Waiting 34 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 $743. 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, January can be a great choice for travel to London. Flights to London from Missouri in January are about $926 on average during January, but can be found for as low as $646.

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$718 (Cheapflightsfares)
One-way from	$230 (Norse)
Popular in	June
Cheapest in	January
Average price	$806

Provider with most accurate pricing for Kansas City-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kansas City-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. 17% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 30, 2025.

Tue 8/192:39 pmSTL - LHR

1 stop11h 26mIberia

Tue 8/2612:15 pmLHR - STL

1 stop13h 58mIberia

Deal found 4/29

$718

Wed 8/2711:51 amSTL - LGW

2 stops16h 09mDelta

Mon 9/812:00 pmLGW - STL

2 stops17h 39mDelta

Deal found 4/29

$720

Tue 8/194:18 pmSTL - LHR

1 stop12h 12mFinnair

Tue 8/264:10 pmLHR - STL

2 stops32h 20mFinnair

Deal found 4/29

$721

Thu 8/143:30 pmSTL - LHR

2 stops20h 10mScandinavian Airlines

Wed 8/206:40 amLHR - STL

2 stops22h 59mScandinavian Airlines

Deal found 4/29

$732

Mon 10/202:55 pmMCI - LHR

2 stops20h 45mScandinavian Airlines

Mon 10/276:40 amLHR - MCI

2 stops22h 17mScandinavian Airlines

Deal found 4/28

$735

Wed 8/2012:10 pmMCI - LHR

1 stop14h 50mFinnair

Wed 8/2710:30 amLHR - MCI

1 stop18h 18mFinnair

Deal found 4/29

$742

Wed 8/201:30 pmSTL - LHR

1 stop14h 30mMultiple Airlines

Wed 8/2710:30 amLHR - STL

2 stops15h 30mMultiple Airlines

Deal found 4/29

$747

Sat 5/249:07 pmMCI - LGW

1 stop31h 48mMultiple Airlines

Mon 6/92:00 pmLGW - MCI

1 stop14h 41mMultiple Airlines

Deal found 4/29

$747

Tue 8/2612:18 pmMCI - LHR

1 stop12h 07mIberia

Tue 9/912:30 pmLHR - MCI

1 stop14h 18mIberia

Deal found 4/29

$748

Wed 7/301:29 pmSTL - LHR

1 stop11h 46mDelta

Wed 8/1311:45 amLHR - STL

2 stops17h 54mDelta

Deal found 4/29

$748

Tue 5/135:45 pmSTL - LGW

1 stop34h 15mMultiple Airlines

Tue 5/202:00 pmLGW - STL

1 stop15h 44mMultiple Airlines

Deal found 4/29

$754

Wed 9/247:20 pmMCI - LHR

1 stop10h 55mBritish Airways

Fri 10/31:25 pmLHR - MCI

1 stop13h 23mBritish Airways

Deal found 4/29

$756

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 April 30, 2025.

Tue 8/192:39 pmSTL - LHR

1 stop11h 26mIberia

Tue 8/2612:15 pmLHR - STL

1 stop13h 58mIberia

Deal found 4/29

$718

Wed 8/2711:51 amSTL - LGW

2 stops16h 09mDelta

Mon 9/812:00 pmLGW - STL

2 stops17h 39mDelta

Deal found 4/29

$720

Tue 8/194:18 pmSTL - LHR

1 stop12h 12mFinnair

Tue 8/264:10 pmLHR - STL

2 stops32h 20mFinnair

Deal found 4/29

$721

Tue 5/135:46 amMCI - LHR

3 stops32h 34mMultiple Airlines

Wed 5/283:05 pmLHR - MCI

3 stops37h 36mMultiple Airlines

Deal found 4/29

$730

Thu 8/143:30 pmSTL - LHR

2 stops20h 10mScandinavian Airlines

Wed 8/206:40 amLHR - STL

2 stops22h 59mScandinavian Airlines

Deal found 4/29

$732

Wed 9/247:20 pmMCI - LHR

1 stop10h 55mBritish Airways

Fri 10/31:25 pmLHR - MCI

1 stop13h 23mBritish Airways

Deal found 4/29

$756

Tue 8/261:30 pmSTL - LHR

2 stops25h 30mAir Canada

Wed 9/102:05 pmLHR - STL

2 stops31h 39mAir Canada

Deal found 4/29

$760

Sat 10/114:05 pmSTL - LHR

1 stop32h 30mUnited Airlines

Tue 10/212:05 pmLHR - STL

2 stops26h 29mUnited Airlines

Deal found 4/29

$767

Tue 8/265:30 pmSTL - LHR

2 stops19h 10mLufthansa

Fri 9/59:30 amLHR - STL

2 stops16h 09mLufthansa

Deal found 4/29

$800

Tue 5/136:15 amMCI - LGW

2 stops18h 20mAmerican Airlines

Tue 5/2010:40 amLGW - MCI

2 stops19h 14mAmerican Airlines

Deal found 4/28

$925

Sun 5/187:56 pmMCI - LHR

1 stop11h 34mVirgin Atlantic

Sat 5/319:20 amLHR - MCI

1 stop13h 01mVirgin Atlantic

Deal found 4/29

$1,012

Tue 5/66:54 pmSGF - LHR

1 stop12h 36mKLM

Mon 5/199:20 amLHR - SGF

1 stop18h 57mKLM

Deal found 4/28

$1,013

Last-minute flights from Missouri to London
Discover last-minute flight deals from Missouri to London. Data last updated April 30, 2025 and is based on user searches.

Thu 5/112:00 pmSTL - LHR

1 stop13h 20mIberia

Wed 5/72:25 pmLHR - STL

1 stop15h 26mIberia

Deal found 4/29

$908

Mon 5/54:50 pmSTL - LHR

1 stop32h 50mUnited Airlines

Thu 5/155:40 pmLHR - STL

1 stop24h 56mUnited Airlines

Deal found 4/29

$923

Tue 5/65:32 pmSTL - LHR

1 stop13h 58mDelta

Tue 5/136:15 amLHR - STL

2 stops16h 45mDelta

Deal found 4/29

$849

Tue 5/61:30 pmSTL - LHR

1 stop14h 30mMultiple Airlines

Wed 5/1410:30 amLHR - STL

2 stops15h 28mMultiple Airlines

Deal found 4/29

$897

Tue 5/61:40 pmSGF - LHR

1 stop14h 00mUnited Airlines

Mon 5/191:30 pmLHR - SGF

2 stops36h 59mUnited Airlines

Deal found 4/28

$969

Tue 5/612:09 pmSGF - LHR

2 stops21h 11mBritish Airways

Mon 5/197:10 pmLHR - SGF

2 stops31h 28mBritish Airways

Deal found 4/28

$982

Tue 5/63:30 pmMCI - LHR

1 stop14h 15mUnited Airlines

Mon 5/199:30 amLHR - MCI

2 stops35h 03mUnited Airlines

Deal found 4/28

$990

Tue 5/67:10 amMCI - LHR

1 stop17h 35mDelta

Mon 5/1911:45 amLHR - MCI

2 stops17h 14mDelta

Deal found 4/29

$999

Tue 5/612:28 pmMCI - LCY

2 stops17h 02mBritish Airways

Mon 5/197:00 pmLCY - MCI

2 stops30h 05mBritish Airways

Deal found 4/29

$1,010

Tue 5/612:09 pmSGF - LCY

2 stops19h 31mBritish Airways

Mon 5/197:00 pmLCY - SGF

2 stops31h 19mBritish Airways

Deal found 4/29

$1,010

Tue 5/65:46 pmMCI - LHR

1 stop10h 44mBritish Airways

Mon 5/192:25 pmLHR - MCI

1 stop12h 12mBritish Airways

Deal found 4/28

$1,012

Tue 5/66:45 pmMCI - LHR

1 stop12h 45mKLM

Mon 5/191:05 pmLHR - MCI

1 stop13h 22mKLM

Deal found 4/29

$1,013

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 April 30, 2025.

Tue 7/156:43 pmMCI - LGW

1 stop33h 17mMultiple Airlines

Deal found 4/29

$230

Wed 7/95:40 pmSTL - LGW

1 stop34h 20mMultiple Airlines

Deal found 4/29

$258

Fri 7/255:40 pmSTL - LHR

2 stops44h 40mMultiple Airlines

Deal found 4/29

$348

Tue 7/155:45 amMCI - LHR

2 stops50h 30mMultiple Airlines

Deal found 4/29

$356

Mon 9/2911:51 amSTL - LHR

2 stops13h 24mDelta

Deal found 4/29

$426

Tue 9/27:30 amMCI - LHR

2 stops17h 00mAir Canada

Deal found 4/28

$462

Tue 9/212:30 pmMCI - LHR

1 stop12h 15mKLM

Deal found 4/28

$466

Tue 9/212:30 pmMCI - LGW

2 stops15h 30mVirgin Atlantic

Deal found 4/28

$466

Fri 9/194:05 pmSTL - LHR

2 stops46h 55mUnited Airlines

Deal found 4/28

$468

Fri 8/1512:30 pmMCI - LHR

2 stops15h 45mDelta

Deal found 4/29

$476

Wed 7/910:30 amSTL - LGW

2 stops17h 30mDelta

Deal found 4/29

$479

Mon 9/298:26 amSTL - LCY

2 stops26h 04mBritish Airways

Deal found 4/29

$492

Cheapflights Fare Finder

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

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 8/19

2:39 pm-8:05 am

1 stop11h 26m

London Heathrow

Tue 8/26

12:15 pm-8:13 pm

1 stop13h 58m

$718

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 8/27

11:51 am-10:00 am

2 stops16h 09m

London Gatwick

Mon 9/8

12:00 pm-11:39 pm

2 stops17h 39m

$720

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 8/19

4:18 pm-10:30 am

1 stop12h 12m

London Heathrow

Tue 8/26

4:10 pm-6:30 pm

2 stops32h 20m

$721

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 8/14

3:30 pm-5:40 pm

2 stops20h 10m

London Heathrow

Wed 8/20

6:40 am-11:39 pm

2 stops22h 59m

$732

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 8/20

1:30 pm-10:00 am

1 stop14h 30m

London Heathrow

Wed 8/27

10:30 am-8:00 pm

2 stops15h 30m

$747

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Sat 5/24

9:07 pm-10:55 am

1 stop31h 48m

London Gatwick

Mon 6/9

2:00 pm-10:41 pm

1 stop14h 41m

$747

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 7/30

1:29 pm-7:15 am

1 stop11h 46m

London Heathrow

Wed 8/13

11:45 am-11:39 pm

2 stops17h 54m

$748

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 5/13

5:45 pm-10:00 am

1 stop34h 15m

London Gatwick

Tue 5/20

2:00 pm-11:44 pm

1 stop15h 44m

$754

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 8/20

1:15 pm-7:55 am

1 stop12h 40m

London Heathrow

Wed 8/27

3:10 pm-11:14 pm

1 stop14h 04m

$756

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 8/26

1:30 pm-9:00 pm

2 stops25h 30m

London Heathrow

Wed 9/10

2:05 pm-3:44 pm

2 stops31h 39m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $1,110). 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.

Rainfall in London by month

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.

Temperature in London by month

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).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Missouri to London, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Missouri to London one-way?
$426 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Canada and KLM, with prices starting from $462 and $466, 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, Lambert-St Louis - London Gatwick and Kansas City - London Heathrow.
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 $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Missouri to London

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest$599	Average$813	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$620	Average$872	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$648	Average$915	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$651	Average$982	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$662	Average$904	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$669	Average$1,102	FlexibilityNo cancel fee	On-time77%
Iberia	Cheapest$672	Average$1,028	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$690	Average$961	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$697	Average$884	FlexibilityNo cancel fee	On-time75%
Air Canada	Cheapest$728	Average$983	FlexibilityNo cancel fee	On-time67%

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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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missouri to London with Cheapflights

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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 April 30, 2025.

Most accurate provider

Most trusted provider

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 April 30, 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 April 30, 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 April 30, 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Missouri to London, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

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?

Traveling to a place near Missouri?

Browse thousands of different options on Cheapflights for your next trip

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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.

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 April 30, 2025.