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Cheap flights from Osaka Kansai Intl Airport to London Heathrow Airport from £184

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — LHR
3 Sep — 10 Sep1
1 adult

Cheap 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 29 August 2025.

Round-trip from

£400

One-way from

£184

Popular in

January

Cheapest in

May

Average price

£825
China Southern
  • China Southern
  • 13/10-26/10
  • 2 total stops
  • 66h 05m total
  • Osaka to London
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China Southern
  • China Southern
  • 7/11
  • 1 total stop
  • 35h 30m total
  • Osaka to London
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Kansai Intl to Heathrow

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 29 August 2025.

Mon 13/1015:25KIX - LHR
1 stop34h 40mChina Southern
Sun 26/1021:30LHR - KIX
1 stop31h 25mChina Southern
Deal found 28/8£400
Thu 23/1015:25KIX - LHR
1 stop34h 40mChina Southern
Mon 27/1022:00LHR - KIX
1 stop37h 50mChina Southern
Deal found 29/8£401
Thu 23/1015:25KIX - LHR
1 stop34h 40mChina Southern
Wed 29/1022:00LHR - KIX
1 stop29h 55mChina Southern
Deal found 29/8£412
Mon 20/1014:40KIX - LHR
1 stop36h 20mChina Southern
Thu 30/1021:30LHR - KIX
1 stop31h 25mChina Southern
Deal found 27/8£423
Tue 21/1016:55KIX - LHR
2 stops34h 05mChina Southern
Mon 27/1022:00LHR - KIX
1 stop37h 50mChina Southern
Deal found 29/8£464
Tue 21/1018:00KIX - LHR
2 stops34h 00mShenzhen Airlines
Mon 27/1021:10LHR - KIX
2 stops30h 00mShenzhen Airlines
Deal found 29/8£474
Mon 13/1015:25KIX - LHR
1 stop34h 40mChina Southern
Mon 20/1022:10LHR - KIX
1 stop38h 50mChina Southern
Deal found 29/8£474

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 29 August 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

Mon 13/10

15:25-18:05

1 stop34h 40m

London Heathrow

Sun 26/10

21:30-13:55

1 stop31h 25m

£400

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 23/10

15:25-18:05

1 stop34h 40m

London Heathrow

Mon 27/10

22:00-20:50

1 stop37h 50m

£401

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 23/10

15:25-18:05

1 stop34h 40m

London Heathrow

Wed 29/10

22:00-12:55

1 stop29h 55m

£412

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Mon 20/10

14:40-19:00

1 stop36h 20m

London Heathrow

Thu 30/10

21:30-13:55

1 stop31h 25m

£423

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Tue 21/10

16:55-19:00

2 stops34h 05m

London Heathrow

Mon 27/10

22:00-20:50

1 stop37h 50m

£464

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Tue 21/10

18:00-20:00

2 stops34h 00m

London Heathrow

Mon 27/10

21:10-12:10

2 stops30h 00m

£474

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Thu 23/10

13:10-20:00

2 stops38h 50m

London Heathrow

Mon 27/10

21:10-17:00

2 stops34h 50m

£474

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Fri 7/11

15:25-17:55

1 stop35h 30m

£184

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Mon 13/10

08:40-19:00

1 stop18h 20m

£187

OsakaLondon

KIX - LHR

KIXLHR

Osaka Kansai Intl

Wed 22/10

08:40-19:00

1 stop18h 20m

£189

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 19 results
1
2

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, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £112). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 29 August 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 35% 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 29 August 2025.
Read through reviews of airlines operating flights from Osaka Kansai Intl Airport to London Heathrow Airport, such as Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
477 reviews
Check prices

Boarding

8.4

Comfort

8.1

Crew

8.6

Food

8.1

Entertainment

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Asiana Airlines
8.2
Very Good
477 reviews
Asiana Airlines
8.2
Very Good
477 reviews
Check prices

Boarding

8.4

Comfort

8.1

Crew

8.6

Food

8.1

Entertainment

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

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 fly from Osaka Kansai Intl Airport to London Heathrow Airport in about 34h 40m. 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 £661, 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. Users have found that Asiana Airlines is 12% 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.

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

    Currently, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to London Heathrow Airport (average of £112). Flying from Osaka Kansai Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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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 airline flying from Kansai Intl to Heathrow

Discover the top airline 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest£661Average£772FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines 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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