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

To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $426. United Airlines flights start at $439 while deals on Korean Air start at $450 one-way.

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

To save up to 14% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Idaho to Japan from $746 1-2 weeks out and tickets from $1,008 for flights departing within the next 72 hours.

What is the cheapest month to fly from Idaho to Japan?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Japan. Flights to Japan from Idaho in September are about $1,246 on average during September, but can be found for as low as $601.

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.

$910+ Flights from Idaho to Japan

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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”

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Cheap flight deals from Idaho to Japan

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$727 (United Airlines)
One-way from	$426 (Alaska Airlines)
Popular in	December
Cheapest in	September
Average price	$971

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

Search Deals

One-way flight from Idaho to Japan

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($310 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($78 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 24, 2025.

Tue 9/22:45 pmBOI - HND

1 stop22h 45mUnited Airlines

Wed 9/173:50 pmHND - BOI

1 stop22h 44mUnited Airlines

Deal found 4/23

$727

Mon 9/85:40 amBOI - HND

1 stop16h 25mDelta

Thu 9/184:20 pmHND - BOI

1 stop22h 18mDelta

Deal found 4/23

$729

Wed 9/37:45 amBOI - NRT

1 stop15h 55mUnited Airlines

Wed 9/175:10 pmNRT - BOI

1 stop14h 48mUnited Airlines

Deal found 4/23

$729

Mon 9/17:45 amBOI - OKA

2 stops23h 35mUnited Airlines

Tue 9/301:55 pmOKA - BOI

2 stops38h 54mUnited Airlines

Deal found 4/22

$737

Tue 9/210:38 amBOI - HND

2 stops21h 12mKorean Air

Tue 9/162:00 amHND - BOI

2 stops31h 31mKorean Air

Deal found 4/23

$748

Mon 9/83:05 pmBOI - NRT

2 stops33h 20mKorean Air

Fri 9/199:20 amNRT - BOI

2 stops29h 00mKorean Air

Deal found 4/23

$748

Sun 4/277:30 amBOI - HND

1 stop15h 25mANA

Wed 4/303:50 pmHND - BOI

1 stop15h 31mANA

Deal found 4/23

$763

Sun 4/277:30 amBOI - NRT

1 stop16h 55mANA

Wed 4/305:00 pmNRT - BOI

1 stop14h 21mANA

Deal found 4/23

$764

Mon 9/85:15 amGEG - HND

2 stops31h 15mUnited Airlines

Mon 9/229:55 pmHND - GEG

2 stops41h 10mUnited Airlines

Deal found 4/23

$768

Mon 9/19:25 amGEG - NRT

1 stop14h 35mAlaska Airlines

Mon 9/156:25 pmNRT - GEG

1 stop16h 24mAlaska Airlines

Deal found 4/23

$769

Wed 8/274:00 pmGEG - NRT

2 stops30h 30mUnited Airlines

Tue 9/94:40 pmNRT - GEG

2 stops22h 25mUnited Airlines

Deal found 4/23

$792

Fri 8/156:00 amGEG - NRT

2 stops38h 40mKorean Air

Fri 8/298:55 pmNRT - GEG

2 stops40h 26mKorean Air

Deal found 4/23

$796

Best flights from Idaho to Japan
Discover carefully curated flight deals from Idaho to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Tue 9/22:45 pmBOI - HND

1 stop22h 45mUnited Airlines

Wed 9/173:50 pmHND - BOI

1 stop22h 44mUnited Airlines

Deal found 4/23

$727

Mon 9/85:40 amBOI - HND

1 stop16h 25mDelta

Thu 9/184:20 pmHND - BOI

1 stop22h 18mDelta

Deal found 4/23

$729

Tue 9/210:38 amBOI - HND

2 stops21h 12mKorean Air

Tue 9/162:00 amHND - BOI

2 stops31h 31mKorean Air

Deal found 4/23

$748

Mon 9/159:52 amBOI - HND

2 stops55h 18mANA

Thu 9/253:20 pmHND - BOI

2 stops40h 38mANA

Deal found 4/23

$768

Mon 9/19:25 amGEG - NRT

1 stop14h 35mAlaska Airlines

Mon 9/156:25 pmNRT - GEG

1 stop16h 24mAlaska Airlines

Deal found 4/23

$769

Mon 10/62:45 pmBOI - NRT

2 stops33h 10mAir Canada

Mon 10/205:25 pmNRT - BOI

2 stops19h 07mAir Canada

Deal found 4/23

$809

Tue 9/27:00 amBOI - NRT

1 stop18h 45mJapan Airlines

Wed 9/175:20 pmNRT - BOI

1 stop21h 22mJapan Airlines

Deal found 4/23

$831

Mon 9/87:00 amBOI - NRT

1 stop18h 45mMultiple Airlines

Fri 9/196:15 pmNRT - BOI

1 stop33h 21mMultiple Airlines

Deal found 4/23

$883

Mon 9/156:55 amBOI - NRT

2 stops18h 50mAmerican Airlines

Thu 9/256:30 pmNRT - BOI

1 stop17h 44mAmerican Airlines

Deal found 4/23

$912

Tue 10/75:45 pmGEG - NRT

2 stops31h 10mChina Airlines

Thu 10/307:40 pmNRT - GEG

2 stops34h 08mChina Airlines

Deal found 4/23

$1,068

Sun 5/117:00 amGEG - NRT

2 stops37h 25mEVA Air

Mon 5/198:40 pmNRT - GEG

2 stops41h 45mEVA Air

Deal found 4/22

$1,210

Fri 9/195:40 amBOI - NRT

2 stops19h 45mWestJet

Sat 9/206:30 pmNRT - BOI

2 stops20h 29mWestJet

Deal found 4/23

$1,280

Last-minute flights from Idaho to Japan
Discover last-minute flight deals from Idaho to Japan. Data last updated April 24, 2025 and is based on user searches.

Thu 4/246:37 amBOI - NRT

2 stops19h 08mAmerican Airlines

Thu 5/16:30 pmNRT - BOI

1 stop18h 41mAmerican Airlines

Deal found 4/23

$922

Sun 4/277:00 pmBOI - HND

2 stops33h 00mUnited Airlines

Wed 4/306:25 pmHND - BOI

2 stops19h 38mUnited Airlines

Deal found 4/23

$762

Sun 4/277:30 amBOI - HND

1 stop15h 25mANA

Wed 4/303:50 pmHND - BOI

1 stop15h 31mANA

Deal found 4/23

$763

Sun 4/277:30 amBOI - NRT

1 stop16h 55mANA

Wed 4/305:00 pmNRT - BOI

1 stop14h 21mANA

Deal found 4/23

$764

Sun 4/276:30 amBOI - NRT

1 stop17h 15mUnited Airlines

Wed 4/305:00 pmNRT - BOI

2 stops19h 22mUnited Airlines

Deal found 4/23

$781

Thu 5/13:25 pmGEG - HND

1 stop21h 35mUnited Airlines

Mon 5/510:55 pmHND - GEG

1 stop16h 43mUnited Airlines

Deal found 4/23

$818

Thu 5/15:29 amGEG - NRT

1 stop17h 16mUnited Airlines

Mon 5/55:00 pmNRT - GEG

1 stop13h 41mUnited Airlines

Deal found 4/23

$820

Thu 5/11:25 pmGEG - HND

1 stop13h 35mMultiple Airlines

Sun 5/412:30 amHND - GEG

2 stops28h 01mMultiple Airlines

Deal found 4/23

$3,068

Sat 5/37:00 amGEG - HND

2 stops23h 50mKorean Air

Fri 5/92:00 amHND - GEG

2 stops28h 50mKorean Air

Deal found 4/23

$839

Sat 5/39:05 amGEG - NRT

2 stops20h 00mKorean Air

Sat 5/109:20 amNRT - GEG

2 stops21h 30mKorean Air

Deal found 4/23

$839

Sat 5/35:34 amGEG - NRT

1 stop17h 26mAmerican Airlines

Sat 5/106:30 pmNRT - GEG

1 stop18h 23mAmerican Airlines

Deal found 4/23

$1,115

Tue 5/1310:41 amJAC - NRT

2 stops37h 24mUnited Airlines

Sun 5/185:25 pmNRT - JAC

2 stops31h 14mUnited Airlines

Deal found 4/23

$861

One-way flights from Idaho to Japan
Search for one-way flight options from Idaho to Japan. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Thu 7/109:45 amGEG - NRT

1 stop14h 15mAlaska Airlines

Deal found 4/24

$426

Thu 7/106:25 pmGEG - NRT

2 stops29h 00mUnited Airlines

Deal found 4/24

$439

Mon 8/252:32 pmGEG - NRT

2 stops37h 13mKorean Air

Deal found 4/23

$450

Sat 7/129:45 amGEG - NRT

1 stop13h 45mJapan Airlines

Deal found 4/24

$571

Thu 6/195:43 pmBOI - NRT

1 stop30h 47mMultiple Airlines

Deal found 4/23

$602

Wed 7/91:00 pmGEG - NRT

2 stops35h 25mWestJet

Deal found 4/24

$864

Sat 5/245:43 pmBOI - NRT

2 stops29h 47mUnited Airlines

Deal found 4/23

$877

Sat 5/244:01 pmBOI - HND

2 stops31h 19mAlaska Airlines

Deal found 4/23

$1,035

Sat 5/242:31 pmBOI - HND

1 stop32h 24mUnited Airlines

Deal found 4/23

$1,188

Mon 5/123:30 pmBOI - NRT

2 stops30h 55mEVA Air

Deal found 4/23

$1,288

Mon 5/127:41 amBOI - HND

1 stop30h 19mANA

Deal found 4/23

$1,661

Mon 5/125:40 pmBOI - HND

2 stops28h 25mDelta

Deal found 4/23

$1,718

Cheapflights Fare Finder

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

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 9/2

2:45 pm-4:30 am

1 stop22h 45m

Tokyo Haneda

Wed 9/17

3:50 pm-11:34 pm

1 stop22h 44m

$727

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Mon 9/8

5:40 am-1:05 pm

1 stop16h 25m

Tokyo Haneda

Thu 9/18

4:20 pm-11:38 pm

1 stop22h 18m

$729

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Wed 9/3

7:45 am-2:40 pm

1 stop15h 55m

Tokyo Narita

Wed 9/17

5:10 pm-4:58 pm

1 stop14h 48m

$729

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 9/2

10:38 am-10:50 pm

2 stops21h 12m

Tokyo Haneda

Tue 9/16

2:00 am-6:31 pm

2 stops31h 31m

$748

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 9/8

3:05 pm-3:25 pm

2 stops33h 20m

Tokyo Narita

Fri 9/19

9:20 am-11:20 pm

2 stops29h 00m

$748

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Mon 9/15

9:52 am-8:10 am

2 stops55h 18m

Tokyo Haneda

Thu 9/25

3:20 pm-4:58 pm

2 stops40h 38m

$768

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 9/8

5:15 am-4:30 am

2 stops31h 15m

Tokyo Haneda

Mon 9/22

9:55 pm-11:05 pm

2 stops41h 10m

$768

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 9/1

9:25 am-4:00 pm

1 stop14h 35m

Tokyo Narita

Mon 9/15

6:25 pm-6:49 pm

1 stop16h 24m

$769

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Wed 8/27

4:00 pm-2:30 pm

2 stops30h 30m

Tokyo Narita

Tue 9/9

4:40 pm-11:05 pm

2 stops22h 25m

$792

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Fri 8/15

6:00 am-12:40 pm

2 stops38h 40m

Tokyo Narita

Fri 8/29

8:55 pm-9:21 pm

2 stops40h 26m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 42 results

...

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, February is the cheapest month in which you can book a flight from Idaho to Japan (average of $866). Flying from Idaho to Japan in December is currently the most expensive (average of $1,670). 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?

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

Rainfall in Japan by month

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Japan

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Idaho to Japan. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,180 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Korean Air

8.4

Very good

1,062 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,452 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

China Airlines

8.3

Very good

727 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

ANA

8.3

Very good

853 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What are the cheapest airlines to fly from Idaho to Japan one-way?
To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $426. United Airlines flights start at $439 while deals on Korean Air start at $450 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, February is the cheapest month in which you can book a flight from Idaho to Japan (average of $866). Flying from Idaho to Japan in December is currently the most expensive (average of $1,670). 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

Top 6 airlines flying from Idaho to Japan

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$316	Average$831	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$597	Average$1,501	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$630	Average$1,179	FlexibilityNo cancel fee	On-timeN/A
Japan Airlines	Cheapest$655	Average$890	FlexibilityNo cancel fee	On-time79%
ANA	Cheapest$819	Average$1,173	FlexibilityNo cancel fee	On-time80%
Air Canada	Cheapest$1,007	Average$1,271	FlexibilityNo cancel fee	On-time67%

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$426+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho to Japan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Idaho to Japan

Cheapest flights from Idaho to JapanExplore 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 April 24, 2025.

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 April 24, 2025.

Cheapflights Fare Finder

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

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.

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?

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 April 24, 2025.

Rainfall in Japan by month

Plan your trip to Japan by taking into account the average rainfall totals by month.

Temperature in Japan by month

Plan your trip to Japan by taking into account the average temperature totals by month.

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 April 24, 2025.

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Idaho to Japan. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

How can I find direct flights from Idaho to Japan?

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

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

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

Top 6 airlines flying from Idaho to Japan

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Travel Smart

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 April 24, 2025.