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$359+ Cheap flights from Idaho 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FUK
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Idaho to Japan

Keep the following information in mind while searching for Idaho to Japan flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$657
(Air Canada)

One-way from

$359
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$860
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Tokyo (TYO) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Tokyo (TYO) flights.
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From Idaho to Japan
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One-way flight from Idaho to Japan
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Highest demand for flights based on searches. 13% potential increase in price ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Idaho to Japan

Cheapest flights from Idaho to Japan
Explore the most affordable flight options available from Idaho to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amGEG - NRT
1 stop16h 00mAlaska Airlines
Wed 12/106:30 pmNRT - GEG
1 stop14h 54mAlaska Airlines
Deal found 10/29$664
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:25 amGEG - HND
1 stop20h 05mAmerican Airlines
Thu 12/115:55 pmHND - GEG
1 stop20h 02mAmerican Airlines
Deal found 10/28$685
This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amGEG - NRT
1 stop16h 00mAlaska Airlines
Thu 12/116:30 pmNRT - GEG
1 stop19h 58mAlaska Airlines
Deal found 10/29$686
This Orbitz deal was found by Cheapflights users on 10/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:00 amGEG - NRT
1 stop13h 40mMultiple Airlines
Thu 12/117:20 pmNRT - GEG
2 stops20h 54mMultiple Airlines
Deal found 10/28$690
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amGEG - NRT
1 stop16h 00mAlaska Airlines
Sat 12/66:30 pmNRT - GEG
1 stop15h 19mAlaska Airlines
Deal found 10/29$693
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/107:00 pmBOI - HND
2 stops29h 30mUnited Airlines
Thu 11/134:25 pmHND - BOI
1 stop15h 38mUnited Airlines
Deal found 10/29$695
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Sun 11/25:20 amBOI - HND
1 stop16h 30mANA
Sat 11/84:25 pmHND - BOI
1 stop13h 19mANA
Deal found 10/29$700
This FlightHub deal was found by Cheapflights users on 10/30. 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 11/36:20 amBOI - NRT
1 stop16h 40mANA
Sun 11/164:45 pmNRT - BOI
1 stop12h 59mANA
Deal found 10/30$702
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:25 amGEG - HND
1 stop20h 05mAmerican Airlines
Wed 12/1010:55 amHND - GEG
1 stop22h 45mAmerican Airlines
Deal found 10/29$705
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Tue 12/96:35 amBOI - KIX
1 stop18h 05mANA
Fri 12/126:35 pmKIX - BOI
1 stop13h 28mANA
Deal found 10/29$705
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/25:00 amBOI - HND
2 stops19h 30mUnited Airlines
Sat 11/84:25 pmHND - BOI
1 stop18h 29mUnited Airlines
Deal found 10/29$707
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 12/76:35 amBOI - NRT
1 stop16h 25mUnited Airlines
Thu 12/185:35 pmNRT - BOI
1 stop19h 56mUnited Airlines
Deal found 10/28$708

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 October 30, 2025.
Use the filters below to find and compare flights from Idaho to Japan that are best for you.

Fly from

Idaho

Fly to

Japan

Route

Depart

Return

Price

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 2/17

6:28 am-4:00 pm

1 stop17h 32m

Tokyo Narita

Wed 2/25

6:30 pm-6:20 pm

1 stop15h 50m

$668

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Wed 2/18

5:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Thu 2/26

6:30 pm-6:04 pm

1 stop16h 34m

$674

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 12/1

5:25 am-6:30 pm

1 stop20h 05m

Tokyo Haneda

Thu 12/11

5:55 pm-8:57 pm

1 stop20h 02m

$685

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 2/17

9:30 am-4:00 pm

1 stop13h 30m

Tokyo Narita

Thu 2/26

6:30 pm-2:49 pm

1 stop13h 19m

$686

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 3/2

9:30 am-4:00 pm

1 stop13h 30m

Tokyo Narita

Wed 3/11

6:30 pm-2:49 pm

1 stop12h 19m

$686

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 2/3

9:05 am-4:00 pm

1 stop13h 55m

Tokyo Narita

Tue 2/10

6:30 pm-3:03 pm

1 stop13h 33m

$686

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 2/17

5:00 am-4:30 pm

2 stops19h 30m

Tokyo Haneda

Wed 2/25

7:40 pm-8:55 pm

1 stop17h 15m

$689

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Mon 2/2

2:37 pm-4:50 am

2 stops22h 13m

Tokyo Haneda

Mon 2/23

9:05 pm-11:32 am

2 stops30h 27m

$690

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 2/2

7:45 am-3:00 pm

1 stop15h 15m

Tokyo Narita

Mon 2/23

5:00 pm-11:38 pm

2 stops22h 38m

$691

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Wed 2/25

1:30 pm-4:00 pm

1 stop34h 30m

Tokyo Narita

Wed 3/11

6:30 pm-8:15 pm

1 stop16h 45m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Idaho 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 Idaho to Japan

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

Currently, November is the cheapest month in which you can book a flight from Idaho to Japan (average of $629). Flying from Idaho to Japan in February is currently the most expensive (average of $818). 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 ID to JP?

Find hourly flight availability from Idaho 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 October 30, 2025.

It’s optimal to fly from Idaho to Japan at noon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

  • How long is the flight from Idaho to Japan?

    A quick flight from Idaho to Japan can take about 17h 32m. Alaska Airlines provides one of the quickest options available for as low as $668. There are 5146 mi between Idaho and Japan. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with ANA, which is currently one of the cheapest options available, starting at $359. Alaska Airlines flights start at $362 while deals on United Airlines start at $369 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Idaho to Japan (average of $629). Flying from Idaho to Japan in February is currently the most expensive (average of $818). 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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Alternative routes for Idaho to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Idaho to Japan

Discover the top 5 airlines that operate flights from Idaho 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$1,093FlexibilityNo cancel feeOn-time69%
ANACheapest$625Average$859FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$655Average$890FlexibilityNo cancel feeOn-time79%
DeltaCheapest$697Average$1,120FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$761Average$812FlexibilityNo cancel feeOn-time75%

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