In terms of precipitation, rainfall in Japan ranges from 50.0 - 210.0 inches per month. September is typically the wettest month, when rainfall can reach 210.0 mm. January is typically the driest time to visit Japan when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

What is the cheapest time of day to fly from BFS to JP?

When flying from Belfast Intl Airport to Japan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£348+ Cheap Flights from Belfast Intl Airport to Japan

Cheap flight deals from Belfast Intl to Japan

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 5 September 2026.

Wed 2/1218:00 -

3 stops32h 45m

Sat 12/1213:35 -

2 stops34h 30m

Deal found 31/8£717

Tue 13/1021:05 -

3 stops31h 00m

Sun 18/1009:30 -

3 stops32h 35m

Deal found 3/9£824

Wed 2/1214:25 -

2 stops20h 25m

Sat 12/1214:20 -

2 stops32h 20m

Deal found 31/8£861

Thu 1/1009:15 -

3 stops27h 40m

Thu 8/1018:00 -

3 stops33h 30m

Deal found 3/9£878

Fri 9/1007:05 -

2 stops21h 00m

Thu 22/1013:20 -

2 stops31h 10m

Deal found 2/9£879

Fri 2/1006:05 -

2 stops22h 45m

Sun 18/1013:50 -

2 stops28h 15m

Deal found 1/9£883

Tue 13/1006:15 -

2 stops29h 45m

Sun 18/1010:45 -

2 stops31h 20m

Deal found 3/9£892

Sun 18/1017:05 -

3 stops35h 40m

Sun 25/1008:55 -

3 stops34h 15m

Deal found 3/9£893

Thu 1/1006:10 -

3 stops34h 35m

Thu 8/1010:45 -

2 stops31h 10m

Deal found 31/8£910

Sun 11/1022:05 -

3 stops31h 55m

Fri 16/1010:30 -

3 stops31h 25m

Deal found 4/9£910

Tue 20/1008:20 -

2 stops23h 30m

Wed 28/1020:15 -

2 stops22h 50m

Deal found 4/9£946

Fri 9/1006:05 -

2 stops29h 50m

Thu 22/1015:40 -

2 stops35h 40m

Deal found 2/9£950

Best flights from Belfast Intl to Japan
Discover carefully curated flight deals from Belfast Intl to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Wed 2/1218:00 -

3 stops32h 45m

Sat 12/1213:35 -

2 stops34h 30m

Deal found 31/8£717

Tue 13/1006:15 -

2 stops30h 40m

Sun 18/1013:00 -

2 stops29h 05m

Deal found 3/9£855

Wed 2/1214:25 -

2 stops20h 25m

Sat 12/1214:20 -

2 stops32h 20m

Deal found 31/8£861

Thu 1/1009:15 -

3 stops27h 40m

Thu 8/1018:00 -

3 stops33h 30m

Deal found 3/9£878

Fri 9/1007:05 -

2 stops21h 00m

Thu 22/1013:20 -

2 stops31h 10m

Deal found 2/9£879

Tue 13/1006:15 -

2 stops29h 45m

Sun 18/1010:45 -

2 stops31h 20m

Deal found 3/9£892

Sun 11/1022:05 -

3 stops31h 55m

Fri 16/1010:30 -

3 stops31h 25m

Deal found 4/9£910

Tue 20/1008:20 -

2 stops20h 30m

Wed 28/1016:55 -

2 stops26h 10m

Deal found 4/9£915

Thu 1/1006:10 -

3 stops31h 20m

Thu 8/1010:45 -

2 stops31h 10m

Deal found 3/9£937

Tue 20/1008:20 -

2 stops23h 30m

Wed 28/1020:15 -

2 stops22h 50m

Deal found 4/9£946

Fri 9/1006:05 -

2 stops29h 50m

Thu 22/1015:40 -

2 stops35h 40m

Deal found 2/9£950

Fri 2/1008:55 -

2 stops19h 35m

Sun 18/1015:30 -

3 stops26h 10m

Deal found 1/9£952

Sun 18/1006:25 -

3 stops32h 10m

Sat 24/1002:10 -

3 stops28h 15m

Deal found 3/9£1,022

Sat 3/1011:10 -

3 stops26h 10m

Sun 11/1010:45 -

2 stops31h 20m

Deal found 31/8£1,031

Fri 16/1006:15 -

3 stops32h 20m

Fri 23/1017:35 -

3 stops24h 20m

Deal found 1/9£1,045

Fri 18/906:15 -

3 stops32h 20m

Mon 21/916:35 -

2 stops34h 30m

Deal found 3/9£1,076

Find flight deals from Belfast Intl to Japan

Round-trip from	£717
One-way from	£348
Popular in	February
Cheapest in	April
Average price	£1,287

2/12-12/12
5 total stops
67h 15m total
Belfast to Japan

Search Deals

13/9-31/12
2 total stops
40h 30m total
Belfast to Japan

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£79 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 September 2026

Search Deals

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

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Sun 13/9

22:00-22:30

2 stops40h 30m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£348

Fastest return journey

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Sun 13/9

22:00-12:05

2 stops30h 05m

Tokyo Narita

Wed 31/12

00:00-16:00

Nonstop0h 00m

£348

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Thu 17/9

06:10-22:55

3 stops56h 45m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£403

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Thu 8/10

22:45-22:25

3 stops39h 40m

Tokyo Narita

Wed 31/12

00:00-16:00

Nonstop0h 00m

£485

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Thu 8/10

22:45-05:00

2 stops46h 15m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£515

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Wed 2/12

18:00-11:45

3 stops32h 45m

Tokyo Narita

Sat 12/12

13:35-15:05

2 stops34h 30m

£717

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Tue 13/10

06:15-20:55

2 stops30h 40m

Tokyo Narita

Sun 18/10

13:00-10:05

2 stops29h 05m

£855

BelfastTokyo

BFS Belfast Intl - HND Tokyo Haneda

BFSHND

Belfast Intl

Wed 2/12

14:25-19:50

2 stops20h 25m

Tokyo Haneda

Sat 12/12

14:20-13:40

2 stops32h 20m

£861

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Thu 1/10

09:15-20:55

3 stops27h 40m

Tokyo Narita

Thu 8/10

18:00-19:30

3 stops33h 30m

£878

BelfastTokyo

BFS Belfast Intl - NRT Tokyo Narita

BFSNRT

Belfast Intl

Fri 9/10

07:05-12:05

2 stops21h 00m

Tokyo Narita

Thu 22/10

13:20-12:30

2 stops31h 10m

£879

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 21 resultsSorted 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.

BFS-NRT

BFS-HND

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

BFS-JP0

BFS-NRT

BFS-HND

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 £875). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,405). 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

8,206 reviews

Check prices

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

8,206 reviews

British Airways

6.7

Okay

8,206 reviews

Check prices

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

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 £875). Flying from Belfast Intl Airport to Japan in February is currently the most expensive (average of £1,405). 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

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Top airline flying from Belfast Intl to Japan

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£816	Average£1,129	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to Japan?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Japan from Belfast Intl today with Cheapflights!

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Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Japan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast Intl to Japan with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast Intl to Japan with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Belfast Intl Airport to Japan from £348

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Japan

Cheapest flights from Belfast Intl to JapanExplore 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 5 September 2026.

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 5 September 2026.

Best flights from Belfast Intl to JapanDiscover carefully curated flight deals from Belfast Intl to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Discover carefully curated flight deals from Belfast Intl to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Last-minute flights from Belfast Intl to JapanDiscover last-minute flight deals from Belfast Intl to Japan. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Japan. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Belfast Intl to JapanSearch for one-way flight options from Belfast Intl to Japan. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Search for one-way flight options from Belfast Intl to Japan. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Find flight deals from Belfast Intl to Japan

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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.

Related info for your journey

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to Japan

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Japan by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Belfast Intl to Japan by cabin class

Find flights from Belfast Intl to Japan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast Intl and Japan flights

Browse other Belfast Intl and Japan flight options. Last updated on 5 September 2026.

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Top airline flying from Belfast Intl to Japan

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How does Cheapflights help users find flights from Belfast Intl to Japan?

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Japan?

Can Cheapflights find flights from Belfast Intl to Japan with no change fees?

Can Cheapflights notify me if prices for flights from Belfast Intl to Japan become cheaper?

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Travel Smart

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 5 September 2026.

Best flights from Belfast Intl to Japan
Discover carefully curated flight deals from Belfast Intl to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Last-minute flights from Belfast Intl to Japan
Discover last-minute flight deals from Belfast Intl to Japan. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Japan
Search for one-way flight options from Belfast Intl to Japan. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.