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$369+ Cheap flights from Boise (BOI) to Japan

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FUK
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Boise to Japan

Keep the following information in mind while searching for Boise to Japan flight deals. Data was last updated September 17, 2025.

Round-trip from

$600
(American Airlines)

One-way from

$369
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$786
From Boise Air Term. Gowen Fld to Japan
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One-way flight from Boise Air Term. Gowen Fld to Japan
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Highest demand for flights based on searches. 14% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to Japan

Cheapest flights from Boise to Japan
Explore the most affordable flight options available from Boise to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:00 amBOI - KIX
2 stops18h 50mUnited Airlines
Thu 10/24:50 pmKIX - BOI
1 stop17h 25mUnited Airlines
Deal found 9/16$662
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:45 amBOI - KIX
1 stop16h 05mUnited Airlines
Fri 9/264:50 pmKIX - BOI
1 stop15h 08mUnited Airlines
Deal found 9/16$663
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:52 amBOI - HND
1 stop37h 03mANA
Tue 9/303:50 pmHND - BOI
1 stop16h 08mANA
Deal found 9/15$664
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:09 pmBOI - KIX
1 stop28h 41mUnited Airlines
Fri 9/268:25 amKIX - BOI
2 stops23h 33mUnited Airlines
Deal found 9/16$664
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:00 amBOI - HND
2 stops19h 15mUnited Airlines
Wed 9/249:05 pmHND - BOI
1 stop15h 49mUnited Airlines
Deal found 9/17$665
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:45 amBOI - KIX
1 stop16h 05mMultiple Airlines
Fri 9/2611:00 amKIX - BOI
2 stops17h 43mMultiple Airlines
Deal found 9/16$665
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:30 amBOI - HND
1 stop15h 45mDelta
Mon 9/294:20 pmHND - BOI
1 stop22h 39mDelta
Deal found 9/14$666
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:00 amBOI - NRT
1 stop18h 55mUnited Airlines
Wed 9/245:10 pmNRT - BOI
1 stop14h 48mUnited Airlines
Deal found 9/17$666
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:52 amBOI - KIX
1 stop37h 58mANA
Wed 9/2411:00 amKIX - BOI
2 stops20h 58mANA
Deal found 9/16$667
This Korean Air deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:51 amBOI - KIX
2 stops22h 09mKorean Air
Tue 9/239:05 amKIX - BOI
2 stops24h 11mKorean Air
Deal found 9/16$668
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:00 amBOI - HND
2 stops19h 15mUnited Airlines
Mon 9/296:25 pmHND - BOI
2 stops19h 05mUnited Airlines
Deal found 9/16$669
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:00 amBOI - KIX
2 stops23h 30mUnited Airlines
Sun 9/284:50 pmKIX - BOI
1 stop21h 54mUnited Airlines
Deal found 9/16$669

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Boise to Japan that are best for you.

Fly from

Boise

Fly to

Japan

Route

Depart

Return

Price

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 2/17

8:40 am-3:00 pm

1 stop14h 20m

Tokyo Narita

Tue 2/24

5:00 pm-8:52 pm

1 stop19h 52m

$647

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 2/17

5:00 am-4:30 pm

2 stops19h 30m

Tokyo Haneda

Tue 2/24

7:40 pm-9:11 pm

2 stops17h 31m

$650

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 1/27

5:55 am-2:05 pm

2 stops16h 10m

Tokyo Haneda

Tue 2/3

5:35 pm-12:21 am

2 stops22h 46m

$652

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 1/27

7:25 am-3:00 pm

1 stop15h 35m

Tokyo Narita

Tue 2/3

4:45 pm-7:51 pm

2 stops19h 06m

$652

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 2/3

7:25 am-3:00 pm

1 stop15h 35m

Tokyo Narita

Tue 2/10

4:45 pm-7:51 pm

2 stops19h 06m

$652

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/27

7:05 pm-2:50 pm

1 stop28h 45m

Osaka Kansai Intl

Sat 10/4

4:50 pm-4:58 pm

1 stop15h 08m

$662

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/27

2:44 pm-2:50 pm

1 stop33h 06m

Osaka Kansai Intl

Thu 10/2

4:50 pm-11:44 pm

1 stop21h 54m

$662

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 9/29

6:35 am-4:00 pm

1 stop18h 25m

Tokyo Narita

Fri 10/3

6:25 pm-3:54 pm

1 stop12h 29m

$666

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 9/29

2:44 pm-2:15 pm

2 stops32h 31m

Tokyo Narita

Fri 10/3

5:10 pm-4:58 pm

1 stop14h 48m

$671

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 2/2

7:25 am-3:00 pm

1 stop15h 35m

Tokyo Narita

Mon 2/23

5:00 pm-9:11 pm

1 stop20h 11m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 54 results
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Best time to book a flight from Boise to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Boise with our price prediction graph.
Estimated round-trip 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 Boise to Japan

What is the cheapest month to book a flight from Boise to Japan?

Currently, February is the cheapest month in which you can book a flight from Boise to Japan (average of $899). Flying from Boise to Japan in December is currently the most expensive (average of $1,493). 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 BOI to JP?

Find hourly flight availability from Boise to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Japan as you normally would.

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 September 17, 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, and Alaska Airlines from Boise to Japan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
964 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
964 reviews
ANA
8.4
Very good
964 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Japan Airlines
8.3
Very good
1,559 reviews
ANA
8.4
Very good
964 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Alaska Airlines
8.0
Very good
10,000 reviews
ANA
8.4
Very good
964 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Delta
8.0
Very good
7,961 reviews
ANA
8.4
Very good
964 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,926 reviews
ANA
8.4
Very good
964 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Related info for your journey

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

  • What airport do you fly from for flights from Boise to Japan?

    For a flight from Boise to Japan, you will be flying from Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city.

  • How long is the flight from Boise to Japan?

    For as low as $647, United Airlines can have you in Japan from Boise in 14h 20m. The distance from Boise to Japan is about 5146 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boise to Japan one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $369. Users have also found prices from $385 and $411 on Air Canada and Korean Air, respectively.

  • What are the most popular routes from Boise to Japan?

    Most travelers choose Boise Air Term. Gowen Fld - Tokyo Haneda, Boise Air Term. Gowen Fld - Tokyo Narita or Boise Air Term. Gowen Fld - Osaka Kansai Intl when deciding on the best route from Boise to Japan.

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

    Yes. In addition to deals on Boise to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Japan?

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Japan?

    Currently, February is the cheapest month in which you can book a flight from Boise to Japan (average of $899). Flying from Boise to Japan in December is currently the most expensive (average of $1,493). 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

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Alternative routes for Boise to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Boise to Japan

Discover the top 6 airlines that operate flights from Boise to Japan. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$441Average$837FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$597Average$1,096FlexibilityNo cancel feeOn-time69%
DeltaCheapest$630Average$1,167FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$655Average$890FlexibilityNo cancel feeOn-time79%
ANACheapest$670Average$957FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$761Average$812FlexibilityNo cancel feeOn-time75%

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