Find flights
When to book
Airlines
FAQs

Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £271

KIX — LHR
17 Oct — 24 Oct1
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

Mon 28/916:00 -
1 stop35h 20m
Sun 11/1022:10 -
1 stop32h 00m
Deal found 12/9£599
Thu 22/1018:30 -
2 stops31h 35m
Tue 17/1120:50 -
2 stops33h 10m
Deal found 14/9£605
Thu 8/1016:00 -
1 stop35h 20m
Sun 11/1022:10 -
1 stop32h 00m
Deal found 12/9£625
Wed 11/1118:10 -
2 stops32h 20m
Mon 23/1120:50 -
2 stops33h 10m
Deal found 13/9£657
Sat 10/1016:00 -
1 stop35h 20m
Sun 11/1022:10 -
1 stop32h 00m
Deal found 14/9£660
Mon 12/1016:00 -
1 stop35h 20m
Mon 19/1022:10 -
1 stop32h 00m
Deal found 12/9£663
Wed 21/1007:40 -
2 stops20h 45m
Tue 27/1017:45 -
2 stops20h 00m
Deal found 15/9£687
Tue 22/1207:40 -
2 stops44h 30m
Tue 5/117:45 -
2 stops20h 00m
Deal found 12/9£694

Find flight deals from Kansai Intl to Heathrow

Round-trip from

£599

One-way from

£271

Popular in

August

Cheapest in

July

Average price

£985
China Southern
  • China Southern
  • 28/9-11/10
  • 2 total stops
  • 67h 20m total
  • Osaka to London
Search Deals
3/11-31/12
  • 3/11-31/12
  • 2 total stops
  • 40h 30m total
  • Osaka to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Tue 2/3

09:30-13:45

3 stops37h 15m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£363

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Sun 1/11

11:00-18:15

3 stops40h 15m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£406

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Tue 2/3

16:00-18:35

1 stop35h 35m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£408

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Thu 15/10

13:25-12:45

2 stops31h 20m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£495

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Sun 22/11

20:05-12:05

2 stops49h 00m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£511

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Mon 21/9

19:25-15:05

1 stop27h 40m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£549

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Sat 21/11

23:10-16:10

1 stop26h 00m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£553

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Sun 25/10

16:15-21:20

3 stops38h 05m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£767

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Mon 26/10

16:15-12:25

3 stops29h 10m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£767

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Mon 28/9

16:00-19:20

1 stop35h 20m

London Heathrow

Sun 11/10

19:15-14:10

2 stops34h 55m

£806

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 22 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

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, July is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £718). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £1,409). 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.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Osaka Kansai Intl Airport to London Heathrow Airport, such as Air China. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air China
7.5
Good
166 reviews
Check prices

Food

7.3

Comfort

7.2

Boarding

7.8

Overall

7.5

Entertainment

6.6

Crew

8.1

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.
Air China
7.5
Good
166 reviews
Air China
7.5
Good
166 reviews
Check prices

Food

7.3

Comfort

7.2

Boarding

7.8

Overall

7.5

Entertainment

6.6

Crew

8.1

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.

Related info for your journey

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

    Airlines like China Southern, Shenzhen Airlines, and Etihad Airways fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 29h 50m. 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 is the cheapest airline to fly from Osaka Kansai Intl Airport to London Heathrow Airport round-trip?

    Currently priced at £743, Air China will fly you from Osaka Kansai Intl Airport to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Users have found that Air China is 19% 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 £223. Air China flights start at £253 while deals on Singapore Airlines start at £344 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, July is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £718). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £1,409). 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
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Northampton
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Southall
Watford
Swindon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Kansai Intl to Heathrow

Kansai Intl to Gatwick flights
Kansai Intl to Stansted flights
Kansai Intl to Luton flights

Top airline flying from Kansai Intl to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£743Average£861FlexibilityNo cancel feeOn-time67%
Search Air China flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.