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Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £323

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — LHR
8 May — 15 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 8 April 2026.

Wed 20/518:40
KIX
-
LHR
2 stops30h 40m
Multiple Airlines
Fri 29/516:50
LHR
-
KIX
2 stops35h 00m
Multiple Airlines
Deal found 5/4£583
Tue 19/512:25
KIX
-
LHR
2 stops34h 40m
Multiple Airlines
Tue 26/509:30
LHR
-
KIX
2 stops28h 30m
Multiple Airlines
Deal found 4/4£593
Fri 26/600:55
KIX
-
LHR
2 stops27h 05m
SriLankan Airlines
Thu 2/721:30
LHR
-
KIX
2 stops50h 25m
SriLankan Airlines
Deal found 5/4£603
Tue 12/512:20
KIX
-
LHR
2 stops34h 45m
Multiple Airlines
Mon 25/509:30
LHR
-
KIX
2 stops26h 00m
Multiple Airlines
Deal found 4/4£619
Wed 20/511:45
KIX
-
LHR
2 stops33h 00m
Multiple Airlines
Wed 27/521:45
LHR
-
KIX
1 stop30h 05m
Multiple Airlines
Deal found 5/4£622
Fri 25/1213:50
KIX
-
LHR
1 stop35h 05m
Air China
Wed 6/120:25
LHR
-
KIX
1 stop31h 15m
Air China
Deal found 7/4£629
Thu 14/507:40
KIX
-
LHR
2 stops31h 20m
Multiple Airlines
Thu 28/509:30
LHR
-
KIX
2 stops29h 15m
Multiple Airlines
Deal found 6/4£637
Fri 25/1213:50
KIX
-
LHR
1 stop37h 00m
Air China
Sat 2/117:40
LHR
-
KIX
1 stop34h 00m
Air China
Deal found 7/4£637
Thu 21/507:50
KIX
-
LHR
2 stops31h 10m
Multiple Airlines
Thu 28/509:30
LHR
-
KIX
2 stops28h 30m
Multiple Airlines
Deal found 6/4£649

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 8 April 2026.

Round-trip from

£583

One-way from

£323

Popular in

October

Cheapest in

March

Average price

£842
20/5-29/5
  • 20/5-29/5
  • 4 total stops
  • 65h 40m total
  • Osaka to London
Search Deals
Vietnam Airlines
  • Vietnam Airlines
  • 21/6
  • 1 total stop
  • 39h 05m total
  • Osaka to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£60 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 8 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
Fastest return journey

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 17/5

18:40-07:00

1 stop20h 20m

London Heathrow

Sat 6/6

09:30-11:50

1 stop18h 20m

£710

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 17/5

00:15-14:20

1 stop22h 05m

London Heathrow

Tue 9/6

16:35-22:30

1 stop21h 55m

£781

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 24/4

18:40-13:30

1 stop26h 50m

London Heathrow

Fri 8/5

14:45-11:50

1 stop37h 05m

£879

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 22/5

23:45-12:25

1 stop20h 40m

London Heathrow

Fri 29/5

19:50-17:15

1 stop37h 25m

£944

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Tue 4/8

02:15-17:20

1 stop23h 05m

London Heathrow

Wed 19/8

13:25-22:40

1 stop25h 15m

£969

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 15/5

00:15-14:20

1 stop22h 05m

London Heathrow

Fri 12/6

16:35-09:00

1 stop32h 25m

£1,011

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Wed 5/8

10:00-16:55

1 stop38h 55m

London Heathrow

Wed 19/8

06:45-06:40

2 stops39h 55m

£1,158

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Tue 19/5

10:00-16:55

1 stop38h 55m

London Heathrow

Tue 26/5

19:50-07:55

2 stops28h 05m

£1,161

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 14/5

15:15-20:00

1 stop36h 45m

London Heathrow

Sat 6/6

22:05-12:10

2 stops30h 05m

£1,287

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 14/5

11:55-09:00

1 stop29h 05m

London Heathrow

Tue 9/6

06:30-09:40

2 stops19h 10m

£1,304

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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, December is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £596). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in January is currently the most expensive (average of £937). 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 8 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
146 reviews
Check prices

Entertainment

6.4

Food

7.1

Overall

7.3

Crew

8.0

Boarding

7.7

Comfort

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
146 reviews
Air China
7.3
Good
146 reviews
Check prices

Entertainment

6.4

Food

7.1

Overall

7.3

Crew

8.0

Boarding

7.7

Comfort

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
200 reviews
Air China
7.3
Good
146 reviews
Check prices

Entertainment

6.4

Food

7.1

Overall

7.3

Crew

8.0

Boarding

7.7

Comfort

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 SriLankan Airlines fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 27h 05m. The time it takes to get you to your destination can typically vary by up to . Osaka Kansai Intl Airport and London Heathrow Airport are separated by a distance of 5918 mi.

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

    Currently priced at £596, 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 £777. 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 £227. Air China flights start at £257 while deals on Singapore Airlines start at £348 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, December is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £596). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in January is currently the most expensive (average of £937). 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
Northampton
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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 8 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£596Average£835FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£777Average£872FlexibilityNo 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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