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$454+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LHR
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Kansas City to London Heathrow are usually found in February or April, booked 15 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$704
(Delta)

One-way from

$454
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$825
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.
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From Kansas City to London Heathrow
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One-way flight from Kansas City to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 25, 2025.

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.
Tue 5/201:14 pmMCI - LHR
1 stop16h 11mDelta
Thu 5/2910:55 amLHR - MCI
1 stop13h 31mDelta
Deal found 3/24$704
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:08 amMCI - LHR
1 stop18h 32mBritish Airways
Tue 9/91:30 pmLHR - MCI
1 stop13h 18mBritish Airways
Deal found 3/24$705
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:20 amMCI - LHR
2 stops14h 25mVirgin Atlantic
Tue 9/912:55 pmLHR - MCI
2 stops15h 22mVirgin Atlantic
Deal found 3/24$710
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/811:29 amMCI - LHR
3 stops16h 31mMultiple Airlines
Thu 4/179:30 amLHR - MCI
2 stops17h 02mMultiple Airlines
Deal found 3/24$714
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:30 pmMCI - LHR
1 stop10h 50mUnited Airlines
Wed 5/147:25 amLHR - MCI
2 stops16h 10mUnited Airlines
Deal found 3/24$716
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:45 pmMCI - LHR
2 stops21h 25mLufthansa
Tue 4/226:30 amLHR - MCI
2 stops21h 30mLufthansa
Deal found 3/24$718
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:36 pmMCI - LHR
1 stop12h 39mIberia
Sat 4/262:25 pmLHR - MCI
1 stop13h 59mIberia
Deal found 3/24$740
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:45 pmMCI - LHR
2 stops29h 45mAir Canada
Mon 4/289:30 amLHR - MCI
2 stops31h 02mAir Canada
Deal found 3/24$749
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/195:45 pmMCI - LHR
1 stop12h 30mFinnair
Sat 4/268:20 amLHR - MCI
1 stop16h 29mFinnair
Deal found 3/24$798
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/132:18 pmMCI - LHR
1 stop12h 37mKLM
Sun 4/209:20 amLHR - MCI
1 stop14h 19mKLM
Deal found 3/24$856
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.
Thu 4/105:36 pmMCI - LHR
2 stops13h 04mAer Lingus
Tue 4/2211:05 amLHR - MCI
1 stop17h 19mAer Lingus
Deal found 3/24$905
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/262:27 pmMCI - LHR
2 stops20h 33mScandinavian Airlines
Sun 3/305:00 pmLHR - MCI
2 stops34h 44mScandinavian Airlines
Deal found 3/24$918

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 March 25, 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

Tue 5/20

1:14 pm-11:25 am

1 stop16h 11m

London Heathrow

Thu 5/29

10:55 am-6:26 pm

1 stop13h 31m

$704

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 4/7

7:41 pm-2:25 pm

1 stop12h 44m

London Heathrow

Tue 4/22

9:15 am-4:53 pm

1 stop13h 38m

$707

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/8

11:29 am-10:00 am

3 stops16h 31m

London Heathrow

Thu 4/17

9:30 am-8:32 pm

2 stops17h 02m

$714

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 5/7

3:30 pm-8:20 am

1 stop10h 50m

London Heathrow

Wed 5/14

7:25 am-5:35 pm

2 stops16h 10m

$716

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 4/16

6:45 pm-10:10 pm

2 stops21h 25m

London Heathrow

Tue 4/22

6:30 am-10:00 pm

2 stops21h 30m

$718

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 4/11

5:36 pm-12:15 pm

1 stop12h 39m

London Heathrow

Sat 4/26

2:25 pm-10:24 pm

1 stop13h 59m

$740

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 4/21

6:45 pm-6:30 am

2 stops29h 45m

London Heathrow

Mon 4/28

9:30 am-10:32 am

2 stops31h 02m

$749

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sat 4/19

5:45 pm-12:15 pm

1 stop12h 30m

London Heathrow

Sat 4/26

8:20 am-6:49 pm

1 stop16h 29m

$798

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 4/13

2:18 pm-8:55 am

1 stop12h 37m

London Heathrow

Sun 4/20

9:20 am-5:39 pm

1 stop14h 19m

$856

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Thu 4/10

5:36 pm-12:40 pm

2 stops13h 04m

London Heathrow

Tue 4/22

11:05 am-10:24 pm

1 stop17h 19m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 23 results
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 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 Heathrow Airport 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 Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 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 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 March 21, 2025.

Booking 15 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, November is the cheapest month in which you can book a flight from Kansas City to London Heathrow Airport (average of $661). Flying from Kansas City to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 March 25, 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 12% 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 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 March 25, 2025.
Read through reviews of airlines operating flights from Kansas City to London, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

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
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

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
1,318 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

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
1,266 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

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.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

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.
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

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

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 8 airlines. Kansas City is conveniently located just 17.4 mi from Kansas City’s city center.

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

    Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at $704. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $705 and $716, respectively. Delta is currently priced 24% 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?

    $482 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from $494 and $509, 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, November is the cheapest month in which you can book a flight from Kansas City to London Heathrow Airport (average of $661). Flying from Kansas City to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Kansas City to Heathrow

Discover the top 8 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$781FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$836FlexibilityNo cancel feeOn-time72%
DeltaCheapest$662Average$871FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$679Average$962FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$686Average$911FlexibilityNo cancel feeOn-time69%
KLMCheapest$697Average$875FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$701Average$966FlexibilityNo cancel feeOn-time70%
IberiaCheapest$764Average$1,144FlexibilityNo cancel feeOn-time77%
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