What is the cheapest airline to fly from Osaka Kansai Intl Airport to London Heathrow Airport round-trip?

Currently priced at £750, 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 23% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from KIX to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Osaka Kansai Intl Airport to London Heathrow Airport as you normally would.

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.

£256+ Cheap Flights from Osaka Kansai Intl Airport to London Heathrow Airport

Cheap flight deals from Kansai Intl to Heathrow

Enter your travel dates to find the best prices.

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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 October 2026.

Mon 23/1116:00 -

1 stop35h 35m

Thu 3/1222:00 -

1 stop31h 10m

Deal found 16/10£710

Sat 28/1116:00 -

2 stops31h 00m

Sun 6/1222:00 -

1 stop31h 10m

Deal found 18/10£712

Wed 18/1100:15 -

2 stops26h 40m

Wed 2/1221:10 -

1 stop31h 50m

Deal found 17/10£712

Mon 30/1100:15 -

2 stops27h 20m

Tue 8/1222:30 -

1 stop30h 30m

Deal found 17/10£713

Thu 5/1107:25 -

2 stops32h 10m

Wed 18/1115:30 -

3 stops35h 40m

Deal found 16/10£715

Thu 26/1100:15 -

2 stops27h 20m

Sat 5/1206:20 -

2 stops22h 50m

Deal found 18/10£715

Sun 15/1116:00 -

1 stop35h 35m

Tue 24/1122:00 -

1 stop31h 10m

Deal found 17/10£716

Mon 16/1116:00 -

2 stops35h 35m

Mon 23/1122:00 -

1 stop31h 10m

Deal found 17/10£717

Sat 19/1212:00 -

2 stops39h 35m

Wed 6/121:10 -

1 stop31h 50m

Deal found 16/10£718

Mon 23/1100:15 -

2 stops27h 20m

Wed 2/1220:25 -

1 stop14h 45m

Deal found 15/10£721

Find flight deals from Kansai Intl to Heathrow

Round-trip from	£710
One-way from	£256
Popular in	August
Cheapest in	July
Average price	£1,101

China Southern
23/11-3/12
2 total stops
66h 45m total
Osaka to London

Search Deals

11/11-31/12
2 total stops
39h 30m total
Osaka to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£87 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£34 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

Mon 8/3

16:00-18:35

1 stop35h 35m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£361

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Tue 17/11

09:50-12:05

2 stops35h 15m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£498

Fastest return journey

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Fri 2/4

18:40-07:00

1 stop20h 20m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£593

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Thu 26/11

10:30-15:35

1 stop38h 05m

London Heathrow

Sun 29/11

17:40-09:15

1 stop30h 35m

£845

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Fri 25/12

16:00-12:05

2 stops29h 05m

London Heathrow

Thu 31/12

07:50-12:35

2 stops19h 45m

£856

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Fri 4/12

19:45-15:35

1 stop28h 50m

London Heathrow

Sat 26/12

17:40-20:35

1 stop17h 55m

£859

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Sat 5/12

00:15-15:35

1 stop24h 20m

London Heathrow

Wed 30/12

17:40-18:30

1 stop15h 50m

£859

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Tue 27/10

18:10-14:05

3 stops28h 55m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£893

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Sat 27/3

09:25-07:00

1 stop30h 35m

London Heathrow

Sat 10/4

22:15-14:50

2 stops32h 35m

£919

OsakaLondon

KIX Osaka Kansai Intl - LHR London Heathrow

KIXLHR

Osaka Kansai Intl

Thu 5/11

10:30-12:05

2 stops34h 35m

London Heathrow

Sun 15/11

20:55-20:35

2 stops38h 40m

£920

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 14 resultsSorted by cheapest first

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.

KIX-LHR

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’s the top stopover airport for flights from Osaka Kansai Intl Airport to London Heathrow Airport?

Abu Dhabi (AUH) – chosen by Cheapflights users on 33% of one-stop itineraries from Osaka Kansai Intl Airport to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Osaka Kansai Intl Airport to London Heathrow Airport?

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £750.

What’s the fastest stopover option from Osaka Kansai Intl Airport to London Heathrow Airport?

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 19h 20m.

Which airport typically offers the quickest stopover for flights from Osaka Kansai Intl Airport to London Heathrow Airport?

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 38m.

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

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

Reviews

1 / 7

2.0

Mediocre

guoliang,May 2026

PEK - LAX

Related info for your journey

How long is the flight from Osaka Kansai Intl Airport to London Heathrow Airport?
Airlines like Asiana Airlines fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 38h 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 is the cheapest airline to fly from Osaka Kansai Intl Airport to London Heathrow Airport round-trip?
Currently priced at £750, 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 23% cheaper than the other options available to this destination.
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.

See more FAQs

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Top airline flying from Kansai Intl to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest£750	Average£879	FlexibilityNo cancel fee	On-time67%	Search Air China flights

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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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Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £256

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Kansai Intl to Heathrow

Cheapest flights from Kansai Intl to HeathrowExplore 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 October 2026.

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 October 2026.

Best flights from Kansai Intl to HeathrowDiscover carefully curated flight deals from Kansai Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 October 2026.

Discover carefully curated flight deals from Kansai Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 October 2026.

Last-minute flights from Kansai Intl to HeathrowDiscover last-minute flight deals from Kansai Intl to Heathrow. Data last updated 20 October 2026 and is based on user searches.

Discover last-minute flight deals from Kansai Intl to Heathrow. Data last updated 20 October 2026 and is based on user searches.

One-way flights from Kansai Intl to HeathrowSearch for one-way flight options from Kansai Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

Search for one-way flight options from Kansai Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

Find flight deals from Kansai Intl to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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.

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.

Cheapflights Insights

What’s the top stopover airport for flights from Osaka Kansai Intl Airport to London Heathrow Airport?

Abu Dhabi (AUH) – chosen by Cheapflights users on 33% of one-stop itineraries from Osaka Kansai Intl Airport to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Osaka Kansai Intl Airport to London Heathrow Airport?

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £750.

What’s the fastest stopover option from Osaka Kansai Intl Airport to London Heathrow Airport?

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 19h 20m.

Which airport typically offers the quickest stopover for flights from Osaka Kansai Intl Airport to London Heathrow Airport?

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 38m.

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.

Related info for your journey

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

What is the cheapest airline to fly from Osaka Kansai Intl Airport to London Heathrow Airport round-trip?

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

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

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

Travelling to a place near London Heathrow Airport?

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.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Kansai Intl to Heathrow by cabin class

Find flights from Kansai Intl to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 October 2026.

Kansai Intl and Heathrow flights

Browse other Kansai Intl and Heathrow flight options. Last updated on 20 October 2026.

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Top airline flying from Kansai Intl to Heathrow

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

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

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

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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 October 2026.

Best flights from Kansai Intl to Heathrow
Discover carefully curated flight deals from Kansai Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 October 2026.

Last-minute flights from Kansai Intl to Heathrow
Discover last-minute flight deals from Kansai Intl to Heathrow. Data last updated 20 October 2026 and is based on user searches.

One-way flights from Kansai Intl to Heathrow
Search for one-way flight options from Kansai Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.