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Cheap flights from London Heathrow Airport to Osaka Kansai Intl Airport from £306

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KIX
31 Jan — 7 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Kansai Intl

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Kansai Intl
Explore the most affordable flight options available from Heathrow to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 January 2026.

Wed 31/1220:25LHR - KIX
1 stop14h 45mMultiple Airlines
Sat 10/109:00KIX - LHR
2 stops22h 15mMultiple Airlines
Deal found 30/12£913
Tue 30/1208:15LHR - KIX
2 stops19h 30mMultiple Airlines
Tue 13/110:00KIX - LHR
1 stop38h 00mMultiple Airlines
Deal found 30/12£933
Wed 31/1221:10LHR - KIX
1 stop31h 55mShenzhen Airlines
Sat 10/115:05KIX - LHR
1 stop37h 05mShenzhen Airlines
Deal found 30/12£936
Tue 30/1217:50LHR - KIX
1 stop36h 25mCathay Pacific
Tue 13/118:05KIX - LHR
1 stop29h 55mCathay Pacific
Deal found 30/12£938
Wed 31/1217:40LHR - KIX
1 stop17h 30mMultiple Airlines
Sun 4/107:40KIX - LHR
1 stop19h 25mMultiple Airlines
Deal found 31/12£1,179
Wed 31/1221:30LHR - KIX
2 stops23h 50mQatar Airways
Sun 4/117:55KIX - LHR
2 stops25h 55mQatar Airways
Deal found 31/12£1,763

Find flight deals from Heathrow to Kansai Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Kansai Intl (KIX). 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 1 January 2026.

Round-trip from

£444

One-way from

£306

Popular in

July

Cheapest in

January

Average price

£537
China Southern
  • China Southern
  • 4/3-18/3
  • 2 total stops
  • 67h 35m total
  • London to Osaka
Search Deals
China Southern
  • China Southern
  • 14/3
  • 1 total stop
  • 30h 05m total
  • London to Osaka
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Kansai Intl 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 1 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Osaka Kansai Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Kansai Intl

Route

Depart

Return

Price

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Mon 1/6

22:10-15:00

1 stop32h 50m

Osaka Kansai Intl

Sun 7/6

15:25-18:05

1 stop34h 40m

£473

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Sat 18/4

22:05-14:05

1 stop32h 00m

Osaka Kansai Intl

Thu 7/5

17:10-20:00

1 stop34h 50m

£638

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Sun 19/4

22:05-14:05

1 stop32h 00m

Osaka Kansai Intl

Tue 5/5

17:10-20:00

1 stop34h 50m

£638

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Wed 15/4

22:05-14:05

1 stop32h 00m

Osaka Kansai Intl

Thu 7/5

17:10-20:00

1 stop34h 50m

£638

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Mon 20/4

22:05-14:05

1 stop32h 00m

Osaka Kansai Intl

Fri 1/5

17:10-19:50

1 stop34h 40m

£712

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Sat 18/4

22:05-14:05

1 stop32h 00m

Osaka Kansai Intl

Fri 1/5

17:10-19:50

1 stop34h 40m

£712

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Wed 18/2

21:10-14:05

1 stop31h 55m

Osaka Kansai Intl

Thu 5/3

13:10-19:10

2 stops39h 00m

£728

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Wed 18/2

21:10-14:05

1 stop31h 55m

Osaka Kansai Intl

Wed 4/3

13:10-19:10

2 stops63h 00m

£728

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Sun 31/5

17:00-14:55

2 stops37h 55m

Osaka Kansai Intl

Sun 14/6

18:35-20:35

1 stop34h 00m

£745

LondonOsaka

LHR - KIX

LHRKIX

London Heathrow

Sun 3/5

20:10-14:55

2 stops34h 45m

Osaka Kansai Intl

Sun 24/5

09:10-06:20

1 stop29h 10m

£749

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 23 results
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Best time to book a flight from Heathrow to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Heathrow 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 London Heathrow Airport to Osaka Kansai Intl Airport

How far ahead should I book a flight from London Heathrow Airport to Osaka Kansai Intl Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to Kansai Intl. Price data was last updated on 26 December 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Osaka Kansai Intl Airport, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Osaka Kansai Intl Airport (average of £412). Flying from London Heathrow Airport to Osaka Kansai Intl Airport in August is currently the most expensive (average of £756). 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 London Heathrow Airport to Osaka Kansai Intl Airport?

Reviews of airlines servicing Kansai Intl

Get insights into the airlines that provide service to Kansai Intl. 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 Kansai Intl. Reviews last updated 1 January 2026.
Read reviews from past customers who have flown with Asiana Airlines, Cathay Pacific, andChina Southern from London Heathrow Airport to Osaka Kansai Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
502 reviews
Check prices

Boarding

8.3

Comfort

8.0

Overall

8.2

Entertainment

7.7

Food

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Asiana Airlines
8.2
Very Good
502 reviews
Asiana Airlines
8.2
Very Good
502 reviews
Check prices

Boarding

8.3

Comfort

8.0

Overall

8.2

Entertainment

7.7

Food

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Cathay Pacific
7.6
Good
1,113 reviews
Asiana Airlines
8.2
Very Good
502 reviews
Check prices

Boarding

8.3

Comfort

8.0

Overall

8.2

Entertainment

7.7

Food

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
China Southern
7.5
Good
123 reviews
Asiana Airlines
8.2
Very Good
502 reviews
Check prices

Boarding

8.3

Comfort

8.0

Overall

8.2

Entertainment

7.7

Food

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
China Eastern
7.2
Good
185 reviews
Asiana Airlines
8.2
Very Good
502 reviews
Check prices

Boarding

8.3

Comfort

8.0

Overall

8.2

Entertainment

7.7

Food

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Air China
7.2
Good
135 reviews
Asiana Airlines
8.2
Very Good
502 reviews
Check prices

Boarding

8.3

Comfort

8.0

Overall

8.2

Entertainment

7.7

Food

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Kansai Intl. 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 London Heathrow Airport to Osaka Kansai Intl Airport?

    There are many flights that can get you from London Heathrow Airport to Osaka Kansai Intl Airport in 32h. Fly via China Southern or Shenzhen Airlines to get the fastest option. Airlines will cover a distance of 5918 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    China Southern, at £429, was found to be the cheapest airline from London Heathrow Airport to Osaka Kansai Intl Airport.Alternate airlines flying return to your destination include China Eastern and Air China. China Southern is priced at 44% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as £286. Users have also found prices from £309 and £481 on Air China and Etihad Airways, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Osaka Kansai Intl Airport (average of £412). Flying from London Heathrow Airport to Osaka Kansai Intl Airport in August is currently the most expensive (average of £756). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Heathrow to Kansai Intl

Discover the top 10 airlines that operate flights from Heathrow to Kansai Intl. 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 1 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£429Average£509FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£434Average£614FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£493Average£625FlexibilityNo cancel feeOn-time67%
Search Air China flights
Cathay PacificCheapest£684Average£852FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
FinnairCheapest£718Average£930FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£723Average£861FlexibilityNo cancel feeOn-time75%
Search KLM flights
ANACheapest£730Average£971FlexibilityNo cancel feeOn-time80%
Search ANA flights
Etihad AirwaysCheapest£735Average£1,055FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Asiana AirlinesCheapest£770Average£955FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Thai AirwaysCheapest£778Average£1,087FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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

When you search for this flight from Heathrow to Kansai Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Kansai Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Kansai Intl flexibly with Cheapflights today.

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

Yes! Start tracking prices for Heathrow to Kansai Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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