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Cheap flights from Belfast Intl Airport to Japan from £400

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — FUK
3 Sep — 10 Sep1
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
Explore the most affordable flight options available from Belfast Intl to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Thu 17/906:55 -
3 stops45h 35m
Thu 24/918:00 -
3 stops37h 00m
Deal found 3/8£759
Mon 31/815:35 -
3 stops44h 25m
Mon 7/915:40 -
3 stops32h 35m
Deal found 31/7£760
Sun 6/920:45 -
3 stops40h 10m
Wed 16/912:50 -
3 stops41h 35m
Deal found 31/7£779
Tue 15/917:10 -
3 stops35h 40m
Tue 29/911:40 -
3 stops34h 20m
Deal found 3/8£788
Fri 11/911:25 -
3 stops40h 40m
Wed 30/911:10 -
3 stops40h 30m
Deal found 1/8£809
Mon 31/806:10 -
2 stops22h 40m
Mon 7/913:50 -
2 stops33h 40m
Deal found 31/7£822
Tue 15/917:10 -
3 stops35h 40m
Tue 22/908:55 -
3 stops38h 20m
Deal found 1/8£835
Sun 6/909:55 -
2 stops24h 35m
Wed 16/920:00 -
2 stops31h 40m
Deal found 31/7£857
Fri 11/906:05 -
2 stops24h 15m
Wed 30/915:40 -
2 stops37h 00m
Deal found 1/8£859
Mon 21/909:15 -
3 stops44h 15m
Mon 28/923:50 -
3 stops31h 30m
Deal found 31/7£900
Sun 8/1109:25 -
2 stops24h 05m
Fri 13/1117:10 -
2 stops33h 05m
Deal found 2/8£910
Tue 15/908:20 -
2 stops26h 10m
Tue 22/920:00 -
2 stops21h 55m
Deal found 1/8£1,014

Find flight deals from Belfast Intl to Japan

Keep the following information in mind while searching for Belfast Intl to Japan flight deals. Data was last updated 4 August 2026.

Round-trip from

£759

One-way from

£400

Popular in

February

Cheapest in

December

Average price

£1,215
17/9-24/9
  • 17/9-24/9
  • 6 total stops
  • 82h 35m total
  • Belfast to Japan
Search Deals
30/9
  • 30/9
  • 3 total stops
  • 50h 10m total
  • Belfast to Japan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Japan 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 4 August 2026.
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

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Thu 17/9

06:55-12:30

3 stops45h 35m

Tokyo Narita

Thu 24/9

18:00-23:00

3 stops37h 00m

£759

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Tue 15/9

06:15-13:40

2 stops23h 25m

Tokyo Narita

Tue 29/9

11:40-09:55

3 stops30h 15m

£804

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Fri 11/9

11:25-12:05

3 stops40h 40m

Tokyo Narita

Wed 30/9

11:10-19:40

3 stops40h 30m

£809

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Sun 6/9

06:10-18:45

2 stops28h 35m

Tokyo Narita

Wed 16/9

12:50-22:25

3 stops41h 35m

£819

BelfastTokyo

BFS - HND

BFSHND

Belfast Intl

Mon 31/8

06:10-15:50

2 stops25h 40m

Tokyo Haneda

Mon 7/9

17:10-15:30

2 stops30h 20m

£822

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Mon 31/8

06:10-12:50

2 stops22h 40m

Tokyo Narita

Mon 7/9

13:50-15:30

2 stops33h 40m

£822

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Tue 15/9

06:15-13:40

2 stops23h 25m

Tokyo Narita

Tue 22/9

08:55-15:15

3 stops38h 20m

£840

BelfastTokyo

BFS - HND

BFSHND

Belfast Intl

Fri 11/9

06:05-14:20

2 stops24h 15m

Tokyo Haneda

Wed 30/9

15:40-20:40

2 stops37h 00m

£859

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Mon 21/9

06:10-12:50

2 stops22h 40m

Tokyo Narita

Mon 28/9

18:00-20:50

3 stops34h 50m

£876

BelfastTokyo

BFS - NRT

BFSNRT

Belfast Intl

Fri 8/1

07:00-13:40

3 stops45h 40m

Tokyo Narita

Fri 22/1

17:20-14:15

2 stops29h 55m

£876

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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
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 Belfast Intl Airport to Japan

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

Currently, December is the cheapest month in which you can book a flight from Belfast Intl Airport to Japan (average of £867). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,414). 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

Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated 4 August 2026.
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
8,147 reviews
Check prices

Crew

7.7

Comfort

6.8

Entertainment

6.5

Food

6.4

Overall

6.7

Boarding

7.0

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
8,147 reviews
British Airways
6.7
Okay
8,147 reviews
Check prices

Crew

7.7

Comfort

6.8

Entertainment

6.5

Food

6.4

Overall

6.7

Boarding

7.0

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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, December is the cheapest month in which you can book a flight from Belfast Intl Airport to Japan (average of £867). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,414). 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.

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