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$331+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FUK
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:40 amBOI - HND
1 stop16h 25mDelta
Sat 1/104:50 pmHND - BOI
1 stop17h 38mDelta
Deal found 12/15$708
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:11 pmJAC - NRT
1 stop32h 19mAmerican Airlines
Mon 1/125:30 pmNRT - JAC
1 stop35h 32mAmerican Airlines
Deal found 12/16$721
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amGEG - NRT
1 stop17h 30mMultiple Airlines
Tue 1/136:30 pmNRT - GEG
1 stop19h 55mMultiple Airlines
Deal found 12/16$722
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amGEG - NRT
1 stop16h 00mUnited Airlines
Tue 1/135:35 pmNRT - GEG
1 stop14h 46mUnited Airlines
Deal found 12/15$725
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:05 amGEG - HND
1 stop16h 00mDelta
Tue 12/234:50 pmHND - GEG
1 stop12h 39mDelta
Deal found 12/15$726
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amGEG - HND
1 stop15h 50mUnited Airlines
Mon 1/1212:50 amHND - GEG
2 stops31h 31mUnited Airlines
Deal found 12/14$728
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:00 amGEG - HND
1 stop16h 05mDelta
Sat 1/104:50 pmHND - GEG
1 stop21h 08mDelta
Deal found 12/15$730
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amJAC - NRT
1 stop16h 40mUnited Airlines
Wed 1/144:45 pmNRT - JAC
1 stop13h 41mUnited Airlines
Deal found 12/15$730
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/296:06 pmJAC - NRT
2 stops28h 54mUnited Airlines
Mon 1/128:20 pmNRT - JAC
2 stops33h 01mUnited Airlines
Deal found 12/16$736
This Delta deal was found by Cheapflights users on 12/14. 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.
Mon 12/154:35 pmGEG - HND
2 stops29h 30mDelta
Mon 12/224:50 pmHND - GEG
1 stop15h 01mDelta
Deal found 12/14$738
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:59 pmGEG - HND
1 stop25h 31mAmerican Airlines
Mon 1/125:55 pmHND - GEG
1 stop17h 54mAmerican Airlines
Deal found 12/14$768
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:59 pmGEG - NRT
1 stop22h 31mAmerican Airlines
Mon 1/125:30 pmNRT - GEG
1 stop18h 19mAmerican Airlines
Deal found 12/15$779

Find flight deals from Idaho to Japan

Keep the following information in mind while searching for Idaho to Japan flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(oojo)

One-way from

$331
(oojo)

Popular in

December

Cheapest in

January

Average price

$1,572
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Tokyo (TYO) flights.
Search Deals
From Idaho to Japan
Search Deals
One-way flight from Idaho to Japan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 16, 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

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Fri 1/30

7:20 am-2:05 pm

1 stop13h 45m

Tokyo Haneda

Mon 2/9

4:50 pm-12:37 pm

1 stop12h 47m

$655

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Thu 1/8

5:05 am-2:05 pm

1 stop16h 00m

Tokyo Haneda

Sat 1/17

4:50 pm-8:58 pm

1 stop21h 08m

$655

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Sat 1/10

7:20 am-2:05 pm

1 stop13h 45m

Tokyo Haneda

Sat 1/17

4:50 pm-8:58 pm

1 stop21h 08m

$655

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Fri 1/30

6:05 am-2:05 pm

1 stop15h 00m

Tokyo Haneda

Sun 2/8

5:35 pm-9:30 pm

1 stop20h 55m

$655

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Sun 2/1

10:05 am-4:00 pm

1 stop12h 55m

Tokyo Narita

Mon 2/9

6:30 pm-3:03 pm

1 stop13h 33m

$661

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Thu 1/8

5:05 am-2:05 pm

1 stop16h 00m

Tokyo Haneda

Fri 1/16

4:50 pm-12:37 pm

1 stop12h 47m

$661

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Sat 1/31

5:20 am-2:05 pm

1 stop15h 45m

Tokyo Haneda

Tue 2/10

4:50 pm-12:37 pm

1 stop12h 47m

$661

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 2/2

9:05 am-4:00 pm

1 stop13h 55m

Tokyo Narita

Thu 2/12

6:30 pm-2:36 pm

1 stop13h 06m

$666

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Sun 2/1

7:20 am-2:05 pm

1 stop13h 45m

Tokyo Haneda

Tue 2/10

4:50 pm-8:58 pm

1 stop21h 08m

$666

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Thu 1/8

6:53 am-9:10 pm

2 stops21h 17m

Tokyo Haneda

Thu 1/15

4:25 pm-7:16 pm

1 stop19h 51m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 May is currently the most expensive (average of $769). 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 December 16, 2025.

It’s optimal to fly from Idaho to Japan at noon. By choosing this option you can save up to 44% 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 13h 45m. Delta provides one of the quickest options available for as low as $655. There are 4971 mi between Idaho and Japan. This flight may include one or multiple stops.

  • 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 May is currently the most expensive (average of $769). 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 Idaho 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 Idaho to Japan

Discover the top 6 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$1,052FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$614Average$866FlexibilityNo cancel feeOn-time81%
ANACheapest$625Average$859FlexibilityNo cancel feeOn-time80%
DeltaCheapest$630Average$978FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$655Average$890FlexibilityNo cancel feeOn-time79%
Alaska AirlinesCheapest$708Average$812FlexibilityNo cancel feeOn-time75%

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