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Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £255

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — LHR
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kansai Intl to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Kansai Intl to Heathrow
Explore the most affordable flight options available from Kansai Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2026.

Wed 13/516:00
KIX
-
LHR
1 stop35h 00m
China Southern
Tue 19/522:10
LHR
-
KIX
1 stop32h 00m
China Southern
Deal found 20/2£493
Thu 4/615:05
KIX
-
LHR
1 stop36h 55m
Shenzhen Airlines
Fri 12/622:05
LHR
-
KIX
1 stop32h 00m
Shenzhen Airlines
Deal found 16/2£516
Wed 22/407:40
KIX
-
LHR
1 stop19h 10m
Multiple Airlines
Mon 27/413:25
LHR
-
KIX
1 stop25h 20m
Multiple Airlines
Deal found 17/2£516
Mon 27/407:40
KIX
-
LHR
1 stop19h 10m
Multiple Airlines
Mon 11/513:25
LHR
-
KIX
1 stop35h 55m
Multiple Airlines
Deal found 20/2£517
Thu 21/515:05
KIX
-
LHR
1 stop36h 55m
Shenzhen Airlines
Mon 25/522:05
LHR
-
KIX
1 stop32h 00m
Shenzhen Airlines
Deal found 19/2£529
Wed 13/520:30
KIX
-
LHR
2 stops29h 35m
Multiple Airlines
Tue 19/522:10
LHR
-
KIX
1 stop32h 00m
Multiple Airlines
Deal found 20/2£539
Wed 29/407:40
KIX
-
LHR
1 stop19h 10m
Multiple Airlines
Tue 5/513:25
LHR
-
KIX
1 stop31h 50m
Multiple Airlines
Deal found 20/2£546
Mon 6/407:40
KIX
-
LHR
1 stop19h 10m
Multiple Airlines
Mon 13/413:25
LHR
-
KIX
1 stop25h 20m
Multiple Airlines
Deal found 19/2£555

Find flight deals from Kansai Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) 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 20 February 2026.

Round-trip from

£493

One-way from

£255

Popular in

October

Cheapest in

May

Average price

£749
China Southern
  • China Southern
  • 13/5-19/5
  • 2 total stops
  • 67h 00m total
  • Osaka to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 20/3
  • 1 total stop
  • 21h 50m total
  • Osaka to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kansai Intl 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 858,174 searches. Data last updated 20 February 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to London Heathrow Airport that are best for you.

Fly from

Kansai Intl

Fly to

Heathrow

Route

Depart

Return

Price

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 21/5

15:05-20:00

1 stop36h 55m

London Heathrow

Mon 25/5

22:05-14:05

1 stop32h 00m

£532

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Tue 7/7

09:40-05:55

1 stop28h 15m

London Heathrow

Sat 12/9

21:35-05:55

1 stop24h 20m

£628

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 12/7

09:40-05:55

1 stop28h 15m

London Heathrow

Sun 13/9

21:35-05:55

1 stop24h 20m

£628

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 12/7

09:40-05:55

1 stop28h 15m

London Heathrow

Tue 15/9

21:35-05:55

1 stop24h 20m

£628

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sat 11/7

09:40-05:55

1 stop28h 15m

London Heathrow

Wed 16/9

21:35-05:55

1 stop24h 20m

£628

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 10/7

09:40-05:55

1 stop28h 15m

London Heathrow

Tue 15/9

21:35-05:55

1 stop24h 20m

£628

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Tue 9/6

09:30-18:40

1 stop17h 10m

London Heathrow

Thu 25/6

21:20-21:00

1 stop15h 40m

£646

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Wed 10/6

09:30-18:40

1 stop17h 10m

London Heathrow

Thu 25/6

21:20-21:00

1 stop15h 40m

£646

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 12/6

09:30-18:40

1 stop17h 10m

London Heathrow

Wed 24/6

21:20-21:00

1 stop15h 40m

£646

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 9/7

09:30-18:40

1 stop17h 10m

London Heathrow

Wed 16/9

21:20-12:10

1 stop30h 50m

£646

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 22 results
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Best time to book a flight from Kansai Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Kansai Intl with our price prediction graph.
Estimated return 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 Osaka Kansai Intl Airport to London Heathrow Airport

What is the cheapest month to book a flight from Osaka Kansai Intl Airport to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £561). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in January is currently the most expensive (average of £922). 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 for a return flight from Osaka Kansai Intl Airport to London Heathrow Airport?

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 20 February 2026.
Read through reviews of airlines operating flights from Osaka Kansai Intl Airport to London Heathrow Airport, such as China Eastern and Air China. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Eastern
7.2
Good
196 reviews
Check prices

Entertainment

6.1

Overall

7.2

Boarding

7.6

Crew

7.8

Food

6.8

Comfort

7.2

Reviews

1 / 6
4.0
Okay

Joe,Feb 2026

NRT - PVG

All of my flights with China Eastern were delayed by a minimum of an hour each. The worst part about it is that neither the WiFi on board and nor the WiFi at Shanghai airport were working so I couldn't notify anyone either to or from Tokyo
China Eastern
7.2
Good
196 reviews
China Eastern
7.2
Good
196 reviews
Check prices

Entertainment

6.1

Overall

7.2

Boarding

7.6

Crew

7.8

Food

6.8

Comfort

7.2

Reviews

1 / 6
4.0
Okay

Joe,Feb 2026

NRT - PVG

All of my flights with China Eastern were delayed by a minimum of an hour each. The worst part about it is that neither the WiFi on board and nor the WiFi at Shanghai airport were working so I couldn't notify anyone either to or from Tokyo
Air China
7.2
Good
139 reviews
China Eastern
7.2
Good
196 reviews
Check prices

Entertainment

6.1

Overall

7.2

Boarding

7.6

Crew

7.8

Food

6.8

Comfort

7.2

Reviews

1 / 6
4.0
Okay

Joe,Feb 2026

NRT - PVG

All of my flights with China Eastern were delayed by a minimum of an hour each. The worst part about it is that neither the WiFi on board and nor the WiFi at Shanghai airport were working so I couldn't notify anyone either to or from Tokyo

Related info for your journey

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

  • How long is the flight from Osaka Kansai Intl Airport to London Heathrow Airport?

    Airlines like Shenzhen Airlines and Malaysia Airlines fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 28h 15m. The time it takes to get you to your destination can typically vary by up to 8h 40m. Osaka Kansai Intl Airport and London Heathrow Airport are separated by a distance of 5918 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Osaka Kansai Intl Airport to London Heathrow Airport round-trip?

    Currently priced at £586, China Eastern will fly you from Osaka Kansai Intl Airport to London Heathrow Airport and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air China for as low as £764. Users have found that China Eastern is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Osaka Kansai Intl Airport to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with China Southern, which is currently one of the cheapest options available, starting at £204. China Eastern flights start at £223 while deals on Air China start at £253 one-way.

  • Can I find deals for flights from Kansai Intl to Heathrow that include hotel bookings?

    Yes. In addition to deals on Kansai Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kansai Intl to Heathrow?

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

  • Can I find deals for business class flights from Kansai Intl to Heathrow?

    Yes. Cheapflights offers flight deals from Kansai Intl 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 Osaka Kansai Intl Airport to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £561). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in January is currently the most expensive (average of £922). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kansai Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Gatwick flights
Kansai Intl to Stansted flights
Kansai Intl to Luton flights

Top 2 airlines flying from Kansai Intl to Heathrow

Discover the top 2 airlines that operate flights from Kansai Intl 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 858,174 searches. Data last updated 20 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£586Average£821FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£764Average£858FlexibilityNo cancel feeOn-time67%
Search Air China flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kansai Intl to Heathrow?

Cheapflights makes it easy to find Kansai Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Kansai Intl to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Kansai Intl to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Kansai Intl to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Kansai Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Kansai Intl to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Kansai Intl today and book when prices fit your budget.

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