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Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £309

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — LHR
23 May — 30 May1
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 23 April 2026.

Wed 17/609:05
KIX
-
LHR
1 stop19h 20m
Multiple Airlines
Wed 24/622:05
LHR
-
KIX
1 stop32h 10m
Multiple Airlines
Deal found 20/4£610
Wed 21/1016:00
KIX
-
LHR
1 stop35h 20m
China Southern
Wed 4/1122:00
LHR
-
KIX
1 stop30h 05m
China Southern
Deal found 20/4£628
Tue 16/609:05
KIX
-
LHR
1 stop19h 20m
Multiple Airlines
Wed 24/622:05
LHR
-
KIX
1 stop32h 10m
Multiple Airlines
Deal found 21/4£638
Thu 19/1114:25
KIX
-
LHR
1 stop37h 10m
China Southern
Tue 24/1122:00
LHR
-
KIX
1 stop30h 05m
China Southern
Deal found 18/4£648
Thu 10/900:55
KIX
-
LHR
2 stops26h 15m
Multiple Airlines
Sun 13/920:50
LHR
-
KIX
2 stops27h 05m
Multiple Airlines
Deal found 19/4£658
Mon 6/700:55
KIX
-
LHR
2 stops50h 15m
Multiple Airlines
Sun 12/708:25
LHR
-
KIX
2 stops39h 30m
Multiple Airlines
Deal found 20/4£662
Wed 22/700:55
KIX
-
LHR
2 stops26h 15m
Multiple Airlines
Mon 24/820:50
LHR
-
KIX
2 stops27h 05m
Multiple Airlines
Deal found 20/4£671
Wed 23/1213:50
KIX
-
LHR
1 stop35h 05m
Air China
Tue 5/117:40
LHR
-
KIX
1 stop34h 00m
Air China
Deal found 22/4£680
Tue 22/1213:50
KIX
-
LHR
1 stop37h 00m
Air China
Tue 5/120:25
LHR
-
KIX
1 stop31h 15m
Air China
Deal found 22/4£683
Sun 20/1213:50
KIX
-
LHR
1 stop35h 05m
Air China
Wed 6/117:40
LHR
-
KIX
1 stop17h 30m
Air China
Deal found 20/4£685
Wed 20/511:45
KIX
-
LHR
2 stops27h 15m
Multiple Airlines
Wed 27/509:30
LHR
-
KIX
2 stops23h 00m
Multiple Airlines
Deal found 19/4£687

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 23 April 2026.

Round-trip from

£610

One-way from

£309

Popular in

October

Cheapest in

March

Average price

£826
Shenzhen Airlines
  • Shenzhen Airlines
  • 17/6-24/6
  • 2 total stops
  • 51h 30m total
  • Osaka to London
Search Deals
China Eastern
  • China Eastern
  • 20/5
  • 1 total stop
  • 36h 20m total
  • Osaka to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 23 April 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 23/8

00:55-19:10

2 stops26h 15m

London Heathrow

Mon 31/8

20:50-07:55

2 stops27h 05m

£730

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 7/6

10:30-14:20

1 stop35h 50m

London Heathrow

Sun 14/6

16:35-22:40

1 stop22h 05m

£775

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Mon 7/9

13:10-18:40

1 stop37h 30m

London Heathrow

Tue 8/9

21:20-12:10

1 stop30h 50m

£829

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Mon 20/7

19:45-14:20

1 stop26h 35m

London Heathrow

Thu 3/9

16:35-18:30

1 stop17h 55m

£841
Fastest return journey

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Wed 27/5

00:15-14:20

1 stop22h 05m

London Heathrow

Fri 5/6

16:35-18:30

1 stop17h 55m

£850

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sat 1/8

15:15-20:00

1 stop36h 45m

London Heathrow

Sat 15/8

22:05-14:15

1 stop32h 10m

£853

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Mon 7/9

02:15-17:20

1 stop23h 05m

London Heathrow

Tue 8/9

19:35-20:45

1 stop17h 10m

£856

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Wed 27/5

00:15-14:20

1 stop22h 05m

London Heathrow

Sun 7/6

16:35-18:30

1 stop17h 55m

£864

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sat 13/6

12:25-17:20

1 stop36h 55m

London Heathrow

Sat 20/6

19:35-22:40

1 stop19h 05m

£910

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 10/5

18:40-07:00

1 stop20h 20m

London Heathrow

Fri 14/8

14:45-11:50

1 stop37h 05m

£924

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £743). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in October is currently the most expensive (average of £1,015). 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 23 April 2026.
Read through reviews of airlines operating flights from Osaka Kansai Intl Airport to London Heathrow Airport, such as Air China and China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air China
7.3
Good
148 reviews
Check prices

Boarding

7.7

Overall

7.3

Entertainment

6.4

Comfort

7.1

Crew

8.0

Food

7.1

Reviews

1 / 6
10.0
Excellent

Helena,Mar 2026

PVG - LGW

Overall it was a great experience flying with AirChina. Great service, great food. If I have to point out one thing that will be more varieties of food selection. All are Chinese style. If one Chinese style and one western style choices would be excellent.
Air China
7.3
Good
148 reviews
Air China
7.3
Good
148 reviews
Check prices

Boarding

7.7

Overall

7.3

Entertainment

6.4

Comfort

7.1

Crew

8.0

Food

7.1

Reviews

1 / 6
10.0
Excellent

Helena,Mar 2026

PVG - LGW

Overall it was a great experience flying with AirChina. Great service, great food. If I have to point out one thing that will be more varieties of food selection. All are Chinese style. If one Chinese style and one western style choices would be excellent.
China Eastern
7.2
Good
208 reviews
Air China
7.3
Good
148 reviews
Check prices

Boarding

7.7

Overall

7.3

Entertainment

6.4

Comfort

7.1

Crew

8.0

Food

7.1

Reviews

1 / 6
10.0
Excellent

Helena,Mar 2026

PVG - LGW

Overall it was a great experience flying with AirChina. Great service, great food. If I have to point out one thing that will be more varieties of food selection. All are Chinese style. If one Chinese style and one western style choices would be excellent.

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 China Eastern, Asiana Airlines, and Korean Air fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 22h 05m. The time it takes to get you to your destination can typically vary by up to 15h 25m. 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 £585, 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 £762. Users have found that China Eastern is 32% 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 Eastern, which is currently one of the cheapest options available, starting at £222. Air China flights start at £252 while deals on Singapore Airlines start at £342 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 £743). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in October is currently the most expensive (average of £1,015). 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
Wembley
Croydon
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£585Average£819FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£762Average£855FlexibilityNo 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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