London

$274+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LON
Nov 29 — Dec 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansas City to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Kansas City to London are usually found in September or March, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$649
(KLM)

One-way from

$274
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$839
Provider with most accurate pricing for Kansas City-London (LON) flight deals.
Provider most trusted by Cheapflights users for Kansas City-London (LON) flights.
From Kansas City to London (LON)
One-way flight from Kansas City to London (LON)
Highest demand for flights based on searches. 17% potential increase in price ($191 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/126:38 pmMCI - LHR
1 stop11h 02mDelta
Sat 1/101:00 pmLHR - MCI
1 stop14h 05mDelta
Deal found 10/29$649
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/123:25 pmMCI - LHR
2 stops13h 25mUnited Airlines
Tue 1/1311:10 amLHR - MCI
2 stops16h 49mUnited Airlines
Deal found 10/29$650
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/711:36 amMCI - LHR
1 stop12h 19mUnited Airlines
Sun 12/141:25 pmLHR - MCI
2 stops36h 02mUnited Airlines
Deal found 10/29$651
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/103:25 pmMCI - LHR
2 stops13h 40mUnited Airlines
Wed 12/171:35 pmLHR - MCI
1 stop14h 23mUnited Airlines
Deal found 10/30$653
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/56:27 pmMCI - LHR
2 stops54h 43mUnited Airlines
Thu 12/1810:25 amLHR - MCI
2 stops30h 11mUnited Airlines
Deal found 10/29$654
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:36 amMCI - LHR
2 stops37h 34mAir Canada
Tue 12/91:25 pmLHR - MCI
2 stops30h 56mAir Canada
Deal found 10/29$657
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 11/76:43 pmMCI - LHR
2 stops16h 22mLufthansa
Fri 11/147:40 amLHR - MCI
2 stops20h 10mLufthansa
Deal found 10/29$665
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Thu 12/42:32 pmMCI - LHR
1 stop10h 23mBritish Airways
Tue 12/98:20 amLHR - MCI
1 stop14h 19mBritish Airways
Deal found 10/29$667
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/259:58 amMCI - LHR
2 stops15h 12mUnited Airlines
Sat 12/66:35 amLHR - MCI
2 stops22h 32mUnited Airlines
Deal found 10/30$668
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 10/308:10 amMCI - LHR
1 stop18h 20mUnited Airlines
Thu 11/66:50 amLHR - MCI
2 stops21h 00mUnited Airlines
Deal found 10/29$670
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/58:00 amMCI - LCY
2 stops19h 05mMultiple Airlines
Wed 11/129:50 amLCY - MCI
2 stops18h 38mMultiple Airlines
Deal found 10/29$675
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 11/286:00 amMCI - LGW
1 stop22h 00mMultiple Airlines
Fri 12/52:00 pmLGW - MCI
2 stops33h 56mMultiple Airlines
Deal found 10/29$703

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 October 30, 2025.
Use the filters below to find and compare flights from Kansas City to London that are best for you.

Fly from

Kansas City

Fly to

London

Route

Depart

Return

Price

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 11/25

6:38 pm-11:40 am

1 stop11h 02m

London Heathrow

Sat 12/6

10:45 am-11:47 pm

1 stop19h 02m

$649

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Thu 12/4

12:47 pm-7:50 am

1 stop13h 03m

London Heathrow

Tue 12/9

1:00 pm-9:13 pm

1 stop14h 13m

$649

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 12/3

3:25 pm-7:55 am

1 stop10h 30m

London Heathrow

Wed 12/10

3:10 pm-11:44 pm

1 stop14h 34m

$649

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 11/29

5:50 am-6:25 am

1 stop18h 35m

London Heathrow

Sat 12/6

8:55 am-5:27 pm

1 stop14h 32m

$649

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 12/7

11:36 am-5:55 am

1 stop12h 19m

London Heathrow

Sun 12/14

1:25 pm-7:27 pm

2 stops36h 02m

$651

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 11/25

9:58 am-7:10 am

2 stops15h 12m

London Heathrow

Sat 12/6

6:35 am-11:07 pm

2 stops22h 32m

$668

Kansas CityLondon

MCI - LCY

MCILCY

Kansas City

Wed 11/5

8:00 am-9:05 am

2 stops19h 05m

London City

Wed 11/12

9:50 am-10:28 pm

2 stops18h 38m

$675

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Thu 11/13

9:59 am-6:50 am

1 stop14h 51m

London Heathrow

Mon 11/17

11:30 am-10:35 pm

2 stops17h 05m

$691

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Fri 11/28

6:00 am-10:00 am

1 stop22h 00m

London Gatwick

Fri 12/5

2:00 pm-5:56 pm

2 stops33h 56m

$703

Kansas CityLondon

MCI - LCY

MCILCY

Kansas City

Tue 12/2

12:45 pm-12:55 pm

2 stops18h 10m

London City

Wed 12/10

7:10 pm-5:25 pm

2 stops28h 15m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
1
2
3
...
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
GurufarePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kansas City-London flight deals on Cheapflights vs. eDreams >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 Gurufare the most. Gurufare 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 October 24, 2025.

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 82 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 $1,083). 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 MCI to LON?

Find hourly flight availability from Kansas City 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 October 30, 2025.

One of the essential ways to save on airfare from Kansas City to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Kansas City to London?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kansas City to London flight should consider departing on Friday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Kansas City to London?

What’s the top layover airport for flights from Kansas City to London?

Share of 1-stop round-trip flights from Kansas City to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Kansas City to London on Cheapflights.

What’s the cheapest layover airport for flights from Kansas City to London?

Average round-trip fare for 1-stop flights from Kansas City to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $750.

What’s the fastest layover option from Kansas City to London?

Shortest average travel time for 1-stop one-way flights from Kansas City to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 10h 28m.

Which airport typically offers the quickest layover for flights from Kansas City to London?

Average layover duration for 1-stop one-way flights from Kansas City to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 35m.

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 October 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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.

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 8 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?

    Delta, KLM, and United Airlines can get you from Kansas City to London in just under 10h 30m. Your travel time can differ by up to 2h 33m. 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, Finnair ($599), Virgin Atlantic ($620), and KLM ($631) offers the cheapest pricing from Kansas City to London. You may be able to fly from Kansas City to London for 35% less than the average price by searching for these airlines.

  • What are the most popular routes 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 $1,083). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Kansas City to London

Discover the top 8 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$802FlexibilityNo cancel feeOn-time72%
KLMCheapest$631Average$764FlexibilityNo cancel feeOn-time75%
IberiaCheapest$658Average$904FlexibilityNo cancel feeOn-time77%
DeltaCheapest$673Average$904FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$677Average$950FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$680Average$921FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$705Average$970FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.