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$287+ Cheap flights from Kansas City (MCI) 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LON
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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Cheap flight deals from Kansas City to London

Cheapest flights from Kansas City to London
Explore the most affordable flight options available from Kansas City to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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 11/105:05 pm
MCI
-
LHR
2 stops32h 20m
United Airlines
Fri 11/136:50 am
LHR
-
MCI
2 stops15h 34m
United Airlines
Deal found 3/23$707
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 8/46:36 pm
MCI
-
LHR
2 stops19h 04m
Lufthansa
Tue 9/157:10 pm
LHR
-
MCI
2 stops26h 42m
Lufthansa
Deal found 3/20$796
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 9/157:55 pm
MCI
-
LHR
2 stops20h 15m
Lufthansa
Tue 9/229:30 am
LHR
-
MCI
2 stops15h 47m
Lufthansa
Deal found 3/21$806
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 8/287:55 pm
MCI
-
LHR
2 stops15h 45m
Lufthansa
Sun 8/307:25 am
LHR
-
MCI
2 stops20h 15m
Lufthansa
Deal found 3/21$813
This Iberia deal was found by Cheapflights users on 3/20. 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.
Tue 9/83:00 pm
MCI
-
LHR
1 stop12h 00m
Iberia
Wed 9/167:50 am
LHR
-
MCI
2 stops18h 29m
Iberia
Deal found 3/20$821
This Cheapflightsfares deal was found by Cheapflights users on 3/22. 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.
Wed 8/57:53 am
MCI
-
LHR
2 stops18h 02m
SWISS
Tue 8/188:45 am
LHR
-
MCI
2 stops18h 55m
SWISS
Deal found 3/22$822
This United Airlines deal was found by Cheapflights users on 3/22. 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 8/175:45 pm
MCI
-
LHR
1 stop10h 55m
United Airlines
Wed 8/2610:50 am
LHR
-
MCI
2 stops16h 50m
United Airlines
Deal found 3/22$825
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:13 pm
MCI
-
LHR
2 stops15h 07m
Delta
Wed 9/236:30 am
LHR
-
MCI
2 stops14h 52m
Delta
Deal found 3/24$829
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 5/116:24 pm
MCI
-
LGW
2 stops29h 56m
Multiple Airlines
Wed 5/272:00 pm
LGW
-
MCI
1 stop33h 23m
Multiple Airlines
Deal found 3/24$829
This United Airlines deal was found by Cheapflights users on 3/20. 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 8/1011:25 am
MCI
-
LHR
2 stops13h 50m
United Airlines
Tue 9/110:50 am
LHR
-
MCI
2 stops16h 50m
United Airlines
Deal found 3/20$830
This KAYAK deal was found by Cheapflights users on 3/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:45 am
MCI
-
LGW
2 stops28h 10m
SWISS
Mon 9/216:35 pm
LGW
-
MCI
2 stops33h 05m
SWISS
Deal found 3/23$835
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:13 pm
MCI
-
LGW
2 stops20h 37m
Delta
Tue 9/2210:35 am
LGW
-
MCI
2 stops17h 47m
Delta
Deal found 3/24$836

Find flight deals from Kansas City to London

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$796
(Cheapflightsfares)

One-way from

$287
(Expedia)

Popular in

June

Cheapest in

February

Average price

$759
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 Kansas City to London (LON)
Search Deals
One-way flight from Kansas City to London (LON)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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 March 25, 2026.
Use the filters below to find and compare flights from Kansas City to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 8/17

5:45 pm-10:40 am

1 stop10h 55m

London Heathrow

Wed 8/26

10:50 am-9:40 pm

2 stops16h 50m

$825

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 9/14

7:00 am-7:15 am

1 stop18h 15m

London Heathrow

Wed 9/23

6:30 am-3:22 pm

2 stops14h 52m

$825

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Sun 9/13

1:13 pm-3:50 pm

2 stops20h 37m

London Gatwick

Tue 9/22

10:35 am-10:22 pm

2 stops17h 47m

$836

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 8/28

5:22 pm-2:10 pm

2 stops38h 48m

London Heathrow

Mon 8/31

6:50 am-3:52 pm

2 stops15h 02m

$851

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 9/5

6:20 pm-7:40 am

1 stop31h 20m

London Heathrow

Wed 9/16

11:25 am-6:29 pm

1 stop13h 04m

$859

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 7/8

9:40 am-9:15 am

1 stop17h 35m

London Heathrow

Thu 9/10

11:15 am-11:52 pm

1 stop18h 37m

$887

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 9/16

12:00 pm-6:55 am

1 stop12h 55m

London Heathrow

Sun 9/20

2:05 pm-11:57 pm

2 stops15h 52m

$907

Kansas CityLondon

MCI - LCY

MCILCY

Kansas City

Sat 9/12

3:36 pm-1:15 pm

2 stops15h 39m

London City

Wed 9/23

10:00 am-10:22 pm

2 stops18h 22m

$909
Quickest round-trip

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 5/11

5:15 pm-11:55 am

1 stop12h 40m

London Heathrow

Fri 5/22

11:05 am-6:42 pm

1 stop13h 37m

$914

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 5/1

3:04 pm-11:20 am

1 stop14h 16m

London Heathrow

Tue 5/12

9:55 am-8:52 pm

2 stops16h 57m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Compare providers for flights from Kansas City to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to London in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kansas City to London

Have a flexible travel schedule? Discover the best time to fly to London from Kansas City 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 Kansas City to London

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

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to London. Price data was last updated on March 13, 2026.

The price you pay for your flight from Kansas City to London may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Kansas City to London (average of $582). Flying from Kansas City to London in June is currently the most expensive (average of $1,082). 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 Kansas City to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated March 25, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Kansas City to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,326 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,326 reviews
Delta
7.9
Good
8,326 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,477 reviews
Delta
7.9
Good
8,326 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,494 reviews
Delta
7.9
Good
8,326 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,154 reviews
Delta
7.9
Good
8,326 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,819 reviews
Delta
7.9
Good
8,326 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Kansas City to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kansas City to London?

    Kansas City (MCI) is the airport you will fly out of if you book a flight from Kansas City to London. You should not have trouble finding flights to London from Kansas City; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Kansas City airport to London. It is only a 17.4 mi journey to Kansas City (MCI) from Kansas City’s city center.

  • How long is the flight from Kansas City to London?

    United Airlines, Delta, and Turkish Airlines can get you from Kansas City to London in just under 10h 55m. Your travel time can differ by up to 9h. Airlines will cover a distance of 4325 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Kansas City to London round-trip?

    According to our current data, Lufthansa ($533), Virgin Atlantic ($620), and Delta ($621) offers the cheapest pricing from Kansas City to London. You may be able to fly from Kansas City to London for 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to London one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $224. Delta flights start at $254 while deals on United Airlines start at $284 one-way.

  • What are the most popular routes from Kansas City to London?

    Most travelers choose Kansas City - London Heathrow, Kansas City - London Gatwick or Kansas City - London Stansted when deciding on the best route from Kansas City to London.

  • Can I find deals for flights from Kansas City to London that include hotel bookings?

    Yes. In addition to deals on Kansas City to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to London.

  • Can I find deals for business class flights from Kansas City to London?

    Yes. Cheapflights offers flight deals from Kansas City 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 Kansas City to London?

    Currently, October is the cheapest month in which you can book a flight from Kansas City to London (average of $582). Flying from Kansas City to London in June is currently the most expensive (average of $1,082). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Kansas City to London

Discover the top 7 airlines that operate flights from Kansas City 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$533Average$853FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$713FlexibilityNo cancel feeOn-time72%
DeltaCheapest$621Average$924FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$641Average$974FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$649Average$812FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$663Average$883FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$686Average$977FlexibilityNo cancel feeOn-time71%

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