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$199+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LON
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Kansas City to London are usually found in September or March, booked 70 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 September 11, 2025.

Round-trip from

$623
(Delta)

One-way from

$199
(Norse)

Popular in

June

Cheapest in

September

Average price

$789
From Kansas City to London (LON)
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One-way flight from Kansas City to London (LON)
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Highest demand for flights based on searches. 17% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/8. 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 10/111:33 amMCI - LHR
2 stops16h 02mUnited Airlines
Tue 10/76:50 amLHR - MCI
2 stops15h 06mUnited Airlines
Deal found 9/8$619
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/151:46 pmMCI - LHR
1 stop16h 34mUnited Airlines
Thu 10/236:50 amLHR - MCI
2 stops15h 06mUnited Airlines
Deal found 9/9$620
This Delta deal was found by Cheapflights users on 9/8. 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 9/225:26 pmMCI - LHR
1 stop14h 04mDelta
Fri 10/318:55 amLHR - MCI
2 stops19h 56mDelta
Deal found 9/8$621
This Delta deal was found by Cheapflights users on 9/11. 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 10/205:39 pmMCI - LHR
1 stop11h 31mDelta
Thu 10/306:20 amLHR - MCI
2 stops15h 46mDelta
Deal found 9/11$623
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/154:39 pmMCI - LHR
1 stop14h 51mDelta
Wed 10/226:30 amLHR - MCI
2 stops16h 36mDelta
Deal found 9/9$624
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Sun 9/216:30 pmMCI - LHR
1 stop12h 00mBritish Airways
Wed 10/19:15 amLHR - MCI
1 stop13h 09mBritish Airways
Deal found 9/11$625
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/2810:48 amMCI - LHR
2 stops16h 57mDelta
Fri 11/76:20 amLHR - MCI
2 stops17h 44mDelta
Deal found 9/9$627
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 9/301:01 pmMCI - LHR
1 stop12h 39mBritish Airways
Fri 10/3110:05 amLHR - MCI
1 stop15h 23mBritish Airways
Deal found 9/8$628
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Mon 10/206:35 pmMCI - LHR
1 stop11h 55mBritish Airways
Thu 10/301:10 pmLHR - MCI
1 stop13h 48mBritish Airways
Deal found 9/9$629
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/16:00 pmMCI - LHR
1 stop13h 30mDelta
Fri 10/1012:25 pmLHR - MCI
1 stop16h 27mDelta
Deal found 9/11$631
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/296:32 pmMCI - LHR
1 stop11h 13mUnited Airlines
Mon 10/135:50 pmLHR - MCI
2 stops28h 06mUnited Airlines
Deal found 9/11$634
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/25:15 amMCI - LGW
1 stop22h 45mMultiple Airlines
Tue 10/142:00 pmLGW - MCI
1 stop36h 45mMultiple Airlines
Deal found 9/11$647

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 September 11, 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

Wed 10/15

1:46 pm-12:20 pm

1 stop16h 34m

London Heathrow

Thu 10/23

6:50 am-3:56 pm

2 stops15h 06m

$620

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 11/5

6:00 am-5:55 am

1 stop17h 55m

London Heathrow

Wed 11/19

6:50 am-9:50 pm

2 stops21h 00m

$620

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 9/22

5:26 pm-1:30 pm

1 stop14h 04m

London Heathrow

Fri 10/31

8:55 am-11:51 pm

2 stops19h 56m

$621

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 10/20

7:00 am-7:15 am

1 stop18h 15m

London Heathrow

Thu 10/30

6:20 am-5:06 pm

2 stops15h 46m

$623

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 10/1

9:59 am-7:15 am

1 stop15h 16m

London Heathrow

Wed 10/15

6:30 am-3:27 pm

2 stops14h 57m

$624

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 9/30

4:06 pm-1:30 pm

1 stop15h 24m

London Heathrow

Tue 10/14

6:30 am-5:06 pm

2 stops16h 36m

$625

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 10/28

10:48 am-8:45 am

2 stops16h 57m

London Heathrow

Fri 11/7

6:20 am-6:04 pm

2 stops17h 44m

$627

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 11/5

12:46 pm-7:20 am

1 stop12h 34m

London Heathrow

Wed 11/19

12:35 pm-9:23 pm

1 stop14h 48m

$629

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 9/22

6:42 pm-1:30 pm

1 stop12h 48m

London Heathrow

Fri 10/31

8:55 am-7:02 pm

1 stop15h 07m

$629

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 10/15

5:39 pm-11:10 am

1 stop11h 31m

London Heathrow

Tue 10/21

9:20 am-4:44 pm

1 stop13h 24m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results
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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 August 29, 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 70 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, November is the cheapest month in which you can book a flight from Kansas City to London (average of $661). Flying from Kansas City to London in June is currently the most expensive (average of $1,098). 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 September 11, 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 at noon could potentially save you up to 11% 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 Tuesday evenings when fares are most often at their lowest. Monday mornings 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 90% 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 18m.

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 31m.

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 September 11, 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.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    United Airlines, Delta, and Lufthansa can get you from Kansas City to London in just under 14h 04m. Your travel time can differ by up to 2h 30m. 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 36% less than the average price by searching for these airlines.

  • 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 City 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, November is the cheapest month in which you can book a flight from Kansas City to London (average of $661). Flying from Kansas City to London in June is currently the most expensive (average of $1,098). 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
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Harrow
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Eastleigh
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Orpington
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Wembley
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Chichester
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Alternative routes for Kansas City to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$836FlexibilityNo cancel feeOn-time72%
KLMCheapest$631Average$846FlexibilityNo cancel feeOn-time75%
IberiaCheapest$658Average$926FlexibilityNo cancel feeOn-time77%
DeltaCheapest$680Average$904FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$684Average$974FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$686Average$922FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$705Average$951FlexibilityNo cancel feeOn-time71%

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