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Cheap flights from Belfast Intl Airport to Japan from £798

BFS — FUK
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Japan

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Japan

Thu 5/1121:00 -
3 stops30h 30m
Thu 12/1111:45 -
3 stops31h 25m
Deal found 21/9£798
Sun 8/1109:25 -
2 stops23h 35m
Sun 15/1114:20 -
2 stops38h 50m
Deal found 24/9£865
Tue 29/906:15 -
3 stops31h 00m
Tue 13/1010:40 -
3 stops31h 15m
Deal found 21/9£913
Mon 28/1207:20 -
3 stops26h 20m
Wed 13/112:20 -
3 stops34h 50m
Deal found 21/9£1,041

Find flight deals from Belfast Intl to Japan

Round-trip from

£798

Popular in

February

Cheapest in

April

Average price

£1,230
5/11-12/11
  • 5/11-12/11
  • 6 total stops
  • 61h 55m total
  • Belfast to Japan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£101 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Belfast Intl Airport to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastOsaka

BFS Belfast Intl - KIX Osaka Kansai Intl

BFSKIX

Belfast Intl

Thu 5/11

21:00-12:30

3 stops30h 30m

Osaka Kansai Intl

Thu 12/11

11:45-10:10

3 stops31h 25m

£798

BelfastOsaka

BFS Belfast Intl - KIX Osaka Kansai Intl

BFSKIX

Belfast Intl

Sun 8/11

09:25-18:00

2 stops23h 35m

Osaka Kansai Intl

Sun 15/11

14:20-20:10

2 stops38h 50m

£865
Fastest return journey

BelfastOsaka

BFS Belfast Intl - KIX Osaka Kansai Intl

BFSKIX

Belfast Intl

Mon 28/12

07:20-18:40

3 stops26h 20m

Osaka Kansai Intl

Wed 13/1

12:20-14:10

3 stops34h 50m

£1,041

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Belfast Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Japan

What is the cheapest month to book a flight from Belfast Intl Airport to Japan?

Currently, April is the cheapest month in which you can book a flight from Belfast Intl Airport to Japan (average of £889). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,431). 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 Japan

Read reviews from past customers who have flown with British Airways from Belfast Intl Airport to Japan. 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.
British Airways
6.7
Okay
8,227 reviews
Check prices

Food

6.4

Overall

6.7

Boarding

7.0

Comfort

6.8

Crew

7.7

Entertainment

6.5

Reviews

1 / 20
10.0
Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!
British Airways
6.7
Okay
8,227 reviews
British Airways
6.7
Okay
8,227 reviews
Check prices

Food

6.4

Overall

6.7

Boarding

7.0

Comfort

6.8

Crew

7.7

Entertainment

6.5

Reviews

1 / 20
10.0
Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!

Related info for your journey

  • Can I find deals for flights from Belfast Intl to Japan that include hotel bookings?

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

  • How can I find direct flights from Belfast Intl to Japan?

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

  • Can I find deals for business class flights from Belfast Intl to Japan?

    Yes. Cheapflights offers flight deals from Belfast Intl to Japan 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 Belfast Intl Airport to Japan?

    Currently, April is the cheapest month in which you can book a flight from Belfast Intl Airport to Japan (average of £889). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,431). 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

Top airline flying from Belfast Intl to Japan

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£831Average£1,149FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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