HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Japan

$489+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FUK
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Japan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 27, 2026.

This Justfly.com deal was found by Cheapflights users on 6/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:44 pm
BOI
-
NRT
2 stops30h 11m
Air Canada
Wed 9/94:50 pm
NRT
-
BOI
2 stops31h 45m
Air Canada
Deal found 6/25$1,018
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:37 am
BOI
-
NRT
1 stop16h 13m
Multiple Airlines
Tue 8/257:10 pm
NRT
-
BOI
2 stops29h 42m
Multiple Airlines
Deal found 6/23$1,019
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:05 am
BOI
-
NRT
1 stop21h 05m
Multiple Airlines
Wed 9/309:30 pm
NRT
-
BOI
1 stop15h 57m
Multiple Airlines
Deal found 6/26$1,023
This FlightHub deal was found by Cheapflights users on 6/26. 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 8/257:05 pm
BOI
-
NRT
2 stops28h 50m
Air Canada
Thu 10/296:15 pm
NRT
-
BOI
2 stops55h 59m
Air Canada
Deal found 6/26$1,024
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am
BOI
-
NRT
1 stop21h 05m
Multiple Airlines
Tue 9/297:10 pm
NRT
-
BOI
2 stops32h 25m
Multiple Airlines
Deal found 6/26$1,037
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:57 am
BOI
-
NRT
1 stop15h 28m
Multiple Airlines
Tue 10/209:30 pm
NRT
-
BOI
1 stop14h 50m
Multiple Airlines
Deal found 6/26$1,043
This Air Canada deal was found by Cheapflights users on 6/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:05 pm
BOI
-
NRT
2 stops28h 50m
Air Canada
Thu 8/274:50 pm
NRT
-
BOI
2 stops37h 41m
Air Canada
Deal found 6/24$1,045
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:07 am
GEG
-
NRT
2 stops17h 43m
Multiple Airlines
Fri 8/147:35 pm
NRT
-
GEG
1 stop18h 40m
Multiple Airlines
Deal found 6/26$1,048
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/207:00 am
BOI
-
HND
1 stop17h 05m
United Airlines
Tue 7/219:55 pm
HND
-
BOI
2 stops33h 49m
United Airlines
Deal found 6/25$1,049
This eDestinos deal was found by Cheapflights users on 6/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:15 am
BOI
-
HND
1 stop14h 40m
ANA
Mon 8/3110:55 pm
HND
-
BOI
1 stop31h 36m
ANA
Deal found 6/23$1,050
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:46 pm
BOI
-
NRT
2 stops54h 09m
Air Canada
Mon 8/314:50 pm
NRT
-
BOI
2 stops41h 34m
Air Canada
Deal found 6/25$1,051
This Air Canada deal was found by Cheapflights users on 6/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
BOI
-
NRT
2 stops18h 55m
Multiple Airlines
Tue 8/184:50 pm
NRT
-
BOI
2 stops17h 34m
Multiple Airlines
Deal found 6/21$1,058

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 June 27, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,018
(Justfly.com)

One-way from

$489
(CheapOair)

Popular in

December

Cheapest in

February

Average price

$1,089
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. 10% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 27, 2026.
Use the filters below to find and compare flights from Idaho to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Mon 7/20

7:00 am-3:05 pm

1 stop17h 05m

Tokyo Haneda

Tue 7/21

9:55 pm-4:44 pm

2 stops33h 49m

$1,049

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 8/11

5:00 am-2:55 pm

2 stops18h 55m

Tokyo Narita

Tue 8/18

4:50 pm-7:24 pm

2 stops17h 34m

$1,058

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Wed 8/5

7:06 am-3:05 pm

1 stop16h 59m

Tokyo Haneda

Tue 8/18

9:55 pm-3:31 pm

2 stops32h 36m

$1,065

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 8/18

8:15 am-1:55 pm

1 stop14h 40m

Tokyo Haneda

Tue 8/25

9:55 pm-3:31 pm

2 stops32h 36m

$1,065

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 8/11

12:33 pm-1:55 pm

1 stop33h 22m

Tokyo Haneda

Tue 8/18

9:55 pm-10:36 pm

2 stops40h 41m

$1,071

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 7/20

5:00 am-2:30 pm

1 stop18h 30m

Tokyo Narita

Tue 7/21

4:45 pm-10:05 pm

1 stop20h 20m

$1,074

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 8/17

12:33 pm-1:55 pm

1 stop33h 22m

Tokyo Haneda

Wed 9/30

9:55 pm-10:28 am

2 stops52h 33m

$1,077

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Sun 8/9

8:59 am-2:20 pm

1 stop14h 21m

Tokyo Haneda

Tue 8/25

4:05 pm-11:59 pm

1 stop22h 54m

$1,088

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 8/17

9:25 am-2:20 pm

1 stop12h 55m

Tokyo Haneda

Wed 9/30

4:35 pm-11:48 pm

1 stop23h 13m

$1,088

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 8/10

6:00 am-1:55 pm

1 stop15h 55m

Tokyo Haneda

Wed 8/19

9:55 pm-10:30 am

2 stops28h 35m

$1,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from Idaho to Japan (average of $434). Flying from Idaho to Japan in June is currently the most expensive (average of $801). 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.

How far ahead should I book a flight from Idaho to Japan?

Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to Japan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 35m. United Airlines provides one of the quickest options available for as low as $1,054. There are 5181 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, March is the cheapest month in which you can book a flight from Idaho to Japan (average of $434). Flying from Idaho to Japan in June is currently the most expensive (average of $801). 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

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

Alternative routes for Idaho to Japan

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
Newark to Narita flights
Seattle to Narita flights
San Francisco to Haneda flights
Los Angeles to Manila flights
Seattle to Haneda flights
Newark to Haneda flights
John F Kennedy Intl to Suvarnabhumi flights
Los Angeles to Suvarnabhumi flights
San Francisco to Narita flights
John F Kennedy Intl to Narita flights
Newark to New Delhi flights
John F Kennedy Intl to New Delhi flights
San Francisco to Manila flights
O'Hare Intl to Narita flights
Dallas/Fort Worth to Narita flights
LaGuardia to Haneda flights
O'Hare Intl to Haneda flights
Los Angeles to Ho Chi Minh City flights
Seattle to Suvarnabhumi flights
Newark to Suvarnabhumi flights
San Francisco to Taiwan Taoyuan Intl flights
John F Kennedy Intl to Incheon Intl flights
Dulles Intl to Haneda flights
Dallas/Fort Worth to Haneda flights
Dallas/Fort Worth to Suvarnabhumi flights
John F Kennedy Intl to Mumbai flights
San Francisco to Suvarnabhumi flights
Los Angeles to Incheon Intl flights
San Francisco to Hong Kong flights
Boston to Narita flights
Newark to Mumbai flights
George Bush Intcntl to Haneda flights
Ontario to Narita flights
Los Angeles to Taiwan Taoyuan Intl flights
San Francisco to New Delhi flights
Hobby to Narita flights
George Bush Intcntl to Narita flights
San Francisco to Incheon Intl flights
John F Kennedy Intl to Hong Kong flights
Dallas/Fort Worth to Hyderabad flights
O'Hare Intl to Suvarnabhumi flights
LaGuardia to New Delhi flights

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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$664Average$852FlexibilityNo cancel feeOn-time69%
DeltaCheapest$697Average$978FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$708Average$812FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$711Average$1,450FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$769Average$852FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.