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Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £250

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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — LHR
4 Jan — 11 Jan1
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 5 December 2025.

Sun 21/1217:20KIX - LHR
1 stop34h 50mShenzhen Airlines
Mon 5/121:10LHR - KIX
2 stops30h 00mShenzhen Airlines
Deal found 3/12£570
Sat 20/1217:20KIX - LHR
1 stop34h 50mShenzhen Airlines
Mon 5/121:10LHR - KIX
2 stops34h 50mShenzhen Airlines
Deal found 3/12£591
Fri 26/1215:25KIX - LHR
1 stop36h 10mChina Southern
Sat 3/121:30LHR - KIX
1 stop31h 25mChina Southern
Deal found 3/12£693
Sun 21/1215:25KIX - LHR
1 stop36h 10mChina Southern
Sun 4/121:30LHR - KIX
1 stop31h 25mChina Southern
Deal found 3/12£694
Sun 21/1215:25KIX - LHR
1 stop36h 10mChina Southern
Mon 5/121:30LHR - KIX
1 stop31h 25mChina Southern
Deal found 4/12£697

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 5 December 2025.

Round-trip from

£483

One-way from

£250

Popular in

October

Cheapest in

May

Average price

£851
China Eastern
  • China Eastern
  • 18/1-25/1
  • 4 total stops
  • 62h 20m total
  • Osaka to London
Search Deals
Air China
  • Air China
  • 23/12
  • 1 total stop
  • 15h 55m total
  • Osaka to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 2025.
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

Kansai Intl

Fly to

Heathrow

Route

Depart

Return

Price

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 18/1

16:00-17:00

1 stop34h 00m

London Heathrow

Sun 25/1

17:15-13:55

2 stops35h 40m

£513

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 18/1

19:00-17:30

2 stops31h 30m

London Heathrow

Sun 25/1

21:00-12:10

1 stop30h 10m

£523

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Wed 21/1

15:55-17:30

2 stops34h 35m

London Heathrow

Mon 26/1

06:20-12:10

2 stops20h 50m

£529

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 18/1

15:05-19:10

1 stop37h 05m

London Heathrow

Wed 28/1

21:10-14:05

1 stop31h 55m

£551

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 16/1

15:05-19:10

1 stop37h 05m

London Heathrow

Mon 26/1

21:10-14:05

1 stop31h 55m

£551

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sat 17/1

15:05-19:10

1 stop37h 05m

London Heathrow

Wed 28/1

21:10-14:05

1 stop31h 55m

£551

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 16/1

15:05-19:10

1 stop37h 05m

London Heathrow

Sun 25/1

21:10-14:05

1 stop31h 55m

£551

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 16/1

15:05-19:10

1 stop37h 05m

London Heathrow

Wed 28/1

21:10-14:05

1 stop31h 55m

£551

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 15/1

15:05-19:10

1 stop37h 05m

London Heathrow

Sat 24/1

21:10-14:05

1 stop31h 55m

£551

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Sun 18/1

15:05-19:10

1 stop37h 05m

London Heathrow

Sat 24/1

21:10-14:05

1 stop31h 55m

£551

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 21 results
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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, February is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £538). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in September is currently the most expensive (average of £787). 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.

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

Find hourly flight availability from Kansai Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 34% on flights from Osaka Kansai Intl Airport to London Heathrow Airport by exploring options for tickets in the morning.

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 5 December 2025.
Read through reviews of airlines operating flights from Osaka Kansai Intl Airport to London Heathrow Airport, such as Asiana Airlines and Air China. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
490 reviews
Check prices

Food

8.1

Overall

8.2

Crew

8.6

Entertainment

7.7

Boarding

8.4

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Asiana Airlines
8.2
Very Good
490 reviews
Asiana Airlines
8.2
Very Good
490 reviews
Check prices

Food

8.1

Overall

8.2

Crew

8.6

Entertainment

7.7

Boarding

8.4

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Air China
7.2
Good
127 reviews
Asiana Airlines
8.2
Very Good
490 reviews
Check prices

Food

8.1

Overall

8.2

Crew

8.6

Entertainment

7.7

Boarding

8.4

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

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 Southern, China Eastern, and Shenzhen Airlines fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 31h 30m. The time it takes to get you to your destination can typically vary by up to 5h 35m. 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 £670, Asiana Airlines will fly you from Osaka Kansai Intl Airport to London Heathrow Airport and back. In addition to Asiana Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air China for as low as £772. Users have found that Asiana Airlines is 16% 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 Southern, which is currently one of the cheapest options available, starting at £206. China Eastern flights start at £225 while deals on Air China start at £255 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, February is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £538). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in September is currently the most expensive (average of £787). 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
Croydon
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest£670Average£748FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air ChinaCheapest£772Average£866FlexibilityNo 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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