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$256+ Cheap flights from Kansas City (MCI) to Heathrow (LHR)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LHR
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Kansas City to London Heathrow are usually found in February or October, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Kansas City to Heathrow

Cheapest flights from Kansas City to Heathrow
Explore the most affordable flight options available from Kansas City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 12/3011:24 amMCI - LHR
1 stop12h 31mLufthansa
Tue 1/137:40 amLHR - MCI
2 stops20h 19mLufthansa
Deal found 12/21$739
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:42 amMCI - LHR
2 stops16h 03mDelta
Tue 1/136:30 amLHR - MCI
2 stops16h 30mDelta
Deal found 12/21$789
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/233:00 pmMCI - LHR
1 stop34h 30mUnited Airlines
Thu 1/156:50 amLHR - MCI
2 stops21h 09mUnited Airlines
Deal found 12/22$798
This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:35 pmMCI - LHR
2 stops30h 35mAir Canada
Tue 1/136:00 pmLHR - MCI
2 stops33h 59mAir Canada
Deal found 12/22$804
This FlightHub deal was found by Cheapflights users on 12/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmMCI - LHR
1 stop29h 20mLufthansa
Thu 1/1512:05 pmLHR - MCI
1 stop13h 51mLufthansa
Deal found 12/21$823
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:38 pmMCI - LHR
1 stop14h 22mDelta
Wed 1/711:05 amLHR - MCI
1 stop18h 22mDelta
Deal found 12/22$830
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:50 pmMCI - LHR
1 stop13h 50mUnited Airlines
Wed 1/74:20 pmLHR - MCI
2 stops24h 12mUnited Airlines
Deal found 12/21$834
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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.
Thu 12/2511:24 amMCI - LHR
1 stop12h 31mLufthansa
Thu 1/81:35 pmLHR - MCI
1 stop14h 24mLufthansa
Deal found 12/21$836
This CheapOair deal was found by Cheapflights users on 12/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:24 amMCI - LHR
2 stops19h 26mMultiple Airlines
Wed 1/76:00 pmLHR - MCI
2 stops28h 08mMultiple Airlines
Deal found 12/21$857
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:42 amMCI - LHR
2 stops16h 03mDelta
Thu 1/88:55 amLHR - MCI
1 stop14h 02mDelta
Deal found 12/22$894

Find flight deals from Kansas City to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Heathrow (LHR). 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(Cheapflightsfares)

One-way from

$256
(oojo)

Popular in

June

Cheapest in

February

Average price

$805
Provider with most accurate pricing for Kansas City-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-London Heathrow flights.
Search Deals
From Kansas City to London Heathrow
Search Deals
One-way flight from Kansas City to London Heathrow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City to Heathrow 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 December 23, 2025.
Use the filters below to find and compare flights from Kansas City to London Heathrow Airport that are best for you.

Fly from

Kansas City

Fly to

Heathrow

Route

Depart

Return

Price

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 2/4

11:29 am-7:55 am

1 stop14h 26m

London Heathrow

Sun 2/8

6:50 am-5:41 pm

2 stops16h 51m

$628

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 2/27

4:03 pm-10:15 am

1 stop12h 12m

London Heathrow

Fri 3/6

6:50 am-7:42 pm

2 stops18h 52m

$628

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 2/16

5:35 am-9:00 am

1 stop21h 25m

London Heathrow

Mon 2/23

6:30 am-5:06 pm

2 stops16h 36m

$629

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 2/28

8:05 am-8:05 am

2 stops18h 00m

London Heathrow

Sat 3/7

6:30 am-6:40 pm

2 stops18h 10m

$634

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/21

5:00 pm-11:45 am

1 stop12h 45m

London Heathrow

Tue 5/5

6:50 am-7:49 pm

2 stops18h 59m

$644

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 5/4

9:35 am-6:45 am

1 stop15h 10m

London Heathrow

Wed 5/13

6:30 am-4:42 pm

2 stops16h 12m

$645

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 3/7

1:25 pm-6:50 am

1 stop11h 25m

London Heathrow

Sat 3/14

3:50 pm-12:13 am

1 stop13h 23m

$657

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 3/11

2:40 pm-10:00 am

1 stop14h 20m

London Heathrow

Tue 3/24

12:30 pm-10:03 pm

1 stop14h 33m

$657

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 3/11

2:40 pm-10:00 am

1 stop14h 20m

London Heathrow

Mon 3/23

3:50 pm-9:25 am

1 stop22h 35m

$657

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 3/10

2:40 pm-10:00 am

1 stop14h 20m

London Heathrow

Tue 3/24

1:00 pm-8:50 pm

1 stop12h 50m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 19 results
1
2

Compare providers for flights from Kansas City to Heathrow

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 Heathrow in December.
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
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*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 Heathrow Airport 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 Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kansas City-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Heathrow Airport 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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to Heathrow. Price data was last updated on December 19, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kansas City to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Kansas City to London Heathrow Airport (average of $582). Flying from Kansas City to London Heathrow Airport 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.

What is the cheapest time of day to fly from MCI to LHR?

Find hourly flight availability from Kansas City to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Kansas City to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.

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

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

Travelers seeking maximum savings on their Kansas City to London Heathrow Airport flight should consider departing on Tuesday evenings 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 23, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Kansas City to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,013 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
9,102 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7.2
Good
11,052 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
3,055 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,605 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 Heathrow. 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 Heathrow?

    Most people fly from Kansas City (MCI) if they book a flight from Kansas City to London Heathrow. On average, Kansas City has 0 outbound flights to London Heathrow per day from 7 airlines. Kansas City is conveniently located just 17.4 mi from Kansas City’s city center.

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

    There are many flights that can get you from Kansas City to London Heathrow Airport in 14h 26m. Fly via United Airlines or Delta to get the fastest option. Kansas City and London Heathrow Airport are separated by a distance of 4325 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Virgin Atlantic is currently your cheapest option to London Heathrow Airport, with prices starting at $620. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $630 and $631, respectively. Virgin Atlantic is currently priced 31% below the average price you’ll pay for this route.

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

    $224 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and British Airways, with prices starting from $398 and $444, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas City to Heathrow 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 Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Kansas City to London Heathrow Airport (average of $582). Flying from Kansas City to London Heathrow Airport 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Kansas City to Heathrow

Discover the top 7 airlines that operate flights from Kansas City to Heathrow. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$620Average$742FlexibilityNo cancel feeOn-time72%
DeltaCheapest$630Average$904FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$631Average$846FlexibilityNo cancel feeOn-time75%
IberiaCheapest$641Average$974FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$674Average$963FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$680Average$928FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$705Average$1,074FlexibilityNo cancel feeOn-time71%

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