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Cheap flights from Belfast Intl Airport to Japan from £301

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — FUK
15 Sep — 22 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 16 August 2026.

Wed 2/908:30 -
3 stops45h 30m
Wed 16/914:45 -
3 stops37h 30m
Deal found 12/8£710
Wed 2/907:30 -
2 stops31h 00m
Wed 16/915:40 -
3 stops36h 35m
Deal found 12/8£725
Thu 3/906:10 -
2 stops28h 20m
Thu 10/908:40 -
2 stops31h 05m
Deal found 15/8£751
Mon 7/921:05 -
2 stops31h 40m
Sat 12/919:55 -
3 stops34h 45m
Deal found 11/8£783
Thu 3/906:10 -
2 stops25h 45m
Thu 10/916:55 -
2 stops35h 40m
Deal found 15/8£805
Tue 29/917:10 -
3 stops34h 55m
Tue 6/1018:00 -
3 stops37h 20m
Deal found 14/8£807
Wed 30/921:35 -
3 stops38h 05m
Wed 7/1011:40 -
3 stops42h 40m
Deal found 16/8£810
Mon 28/906:10 -
3 stops30h 30m
Mon 5/1008:20 -
3 stops47h 00m
Deal found 14/8£838
Tue 29/917:10 -
3 stops45h 20m
Tue 6/1016:35 -
2 stops26h 05m
Deal found 14/8£876
Sun 27/917:15 -
3 stops27h 45m
Sun 4/1015:40 -
2 stops30h 15m
Deal found 13/8£909
Mon 28/908:15 -
3 stops30h 40m
Mon 5/1016:35 -
3 stops31h 00m
Deal found 14/8£1,038
Mon 7/914:20 -
2 stops25h 45m
Fri 11/901:35 -
2 stops27h 40m
Deal found 11/8£1,266

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 16 August 2026.

Round-trip from

£710

One-way from

£301

Popular in

February

Cheapest in

December

Average price

£1,206
2/9-16/9
  • 2/9-16/9
  • 6 total stops
  • 83h 00m total
  • Belfast to Japan
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 48h 40m total
  • Belfast to Japan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£82 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 16 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 Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Wed 2/9

08:30-14:00

3 stops45h 30m

Tokyo Narita

Wed 16/9

14:45-20:15

3 stops37h 30m

£710

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Wed 2/9

07:30-22:30

2 stops31h 00m

Tokyo Haneda

Wed 16/9

15:40-20:15

3 stops36h 35m

£725

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Thu 3/9

06:10-18:30

2 stops28h 20m

Tokyo Haneda

Thu 10/9

08:40-07:45

2 stops31h 05m

£751

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Mon 7/9

21:05-12:45

2 stops31h 40m

Tokyo Narita

Sat 12/9

19:55-22:40

3 stops34h 45m

£783

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Thu 3/9

06:10-15:55

2 stops25h 45m

Tokyo Narita

Thu 10/9

16:55-20:35

2 stops35h 40m

£805

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Tue 29/9

17:10-12:05

3 stops34h 55m

Tokyo Narita

Tue 6/10

18:00-23:20

3 stops37h 20m

£807

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Wed 30/9

21:35-19:40

3 stops38h 05m

Tokyo Narita

Wed 7/10

11:40-22:20

3 stops42h 40m

£810

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Mon 28/9

06:10-20:40

3 stops30h 30m

Tokyo Narita

Mon 5/10

08:20-23:20

3 stops47h 00m

£838

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Tue 29/9

17:10-22:30

3 stops45h 20m

Tokyo Haneda

Tue 6/10

16:35-10:40

2 stops26h 05m

£876

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Sun 27/9

17:15-05:00

3 stops27h 45m

Tokyo Haneda

Sun 4/10

15:40-13:55

2 stops30h 15m

£909

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 15 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 £861). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,404). 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 16 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
8,167 reviews
Check prices

Entertainment

6.5

Food

6.4

Crew

7.7

Comfort

6.8

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
8,167 reviews
British Airways
6.7
Okay
8,167 reviews
Check prices

Entertainment

6.5

Food

6.4

Crew

7.7

Comfort

6.8

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 £861). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,404). 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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