What is the cheapest airline that flies from Idaho to Japan?

Air Canada, Alaska Airlines, and ANA are the most popular carriers operating from Idaho to Japan

What airlines fly to Japan?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Japan from Idaho according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 6 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho to Japan?

Prices for flights from Idaho to Japan refresh daily.

How many operators does momondo search for flights from Idaho to Japan?

As of August 2025, there are 7 operators available to choose from for flights from Idaho to Japan.

How old do you have to be to fly from Idaho to Japan?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Japan.

What documentation or ID do you need to fly to Japan?

The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$338 Cheap Flights from Idaho to Japan in 2025

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Find the cheapest flights from Idaho to Japan

Round-trip

One-way

Last minute

Cheap round-trip flights

7:44 pm - 4:00 pmGEG-NRT

28h 16m1 stop

6:25 pm - 2:50 pmNRT-GEG

12h 25m1 stop

$623Hawaiian Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 24

10:40 am - 4:20 pmBOI-NRT

62h 40m2 stops

6:15 pm - 11:28 pmNRT-BOI

45h 13m2 stops

$630Air Canada

Find Deal

Sat, Nov 1 - Wed, Nov 19

8:45 am - 4:00 pmGEG-NRT

14h 15m1 stop

6:25 pm - 11:10 pmNRT-GEG

21h 45m1 stop

$633Alaska Airlines

Find Deal

Tue, Nov 18 - Thu, Dec 18

6:00 am - 3:55 pmGEG-HND

17h 55m1 stop

4:30 pm - 11:46 amHND-GEG

35h 16m1 stop

$635American Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 24

5:51 am - 4:00 pmGEG-NRT

17h 09m1 stop

6:25 pm - 9:28 pmNRT-GEG

20h 03m1 stop

$637Alaska Airlines

Find Deal

Mon, Dec 8 - Fri, Dec 12

1:47 pm - 4:20 pmGEG-NRT

33h 33m2 stops

6:15 pm - 8:59 pmNRT-GEG

19h 44m2 stops

$653

Find Deal

Sat, Nov 15 - Sat, Dec 13

9:15 am - 9:05 pmGEG-NRT

19h 50m2 stops

9:20 am - 4:45 pmNRT-GEG

23h 25m2 stops

$654Korean Air

Find Deal

Mon, Sep 8 - Wed, Sep 24

5:20 pm - 4:20 pmBOI-NRT

32h 00m2 stops

6:15 pm - 9:16 pmNRT-BOI

19h 01m2 stops

$658

Find Deal

Sat, Nov 1 - Wed, Nov 19

7:56 am - 9:05 pmBOI-NRT

22h 09m2 stops

2:00 pm - 11:00 pmNRT-BOI

24h 00m2 stops

$667Korean Air

Find Deal

Sun, Aug 31 - Sat, Sep 20

6:00 am - 3:55 pmGEG-HND

17h 55m1 stop

4:30 pm - 6:39 pmHND-GEG

18h 09m1 stop

$730American Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 12

Air Canada flights from Idaho to Japan

Our best Air Canada deals on Idaho to Japan flight tickets

Air Canada

Nov 1

BOI10:40 amBoise Air Term. Gowen Fld

62h 40m

2 stops

NRT4:20 pmTokyo Narita

Nov 19

NRT6:15 pmTokyo Narita

45h 13m

2 stops

BOI11:28 pmBoise Air Term. Gowen Fld

$630

Find similar

Air Canada

Nov 1

BOI2:40 pmBoise Air Term. Gowen Fld

58h 40m

2 stops

NRT4:20 pmTokyo Narita

Nov 19

NRT6:15 pmTokyo Narita

45h 13m

2 stops

BOI11:28 pmBoise Air Term. Gowen Fld

$631

Find similar

Air Canada

Nov 4

BOI2:40 pmBoise Air Term. Gowen Fld

33h 40m

2 stops

NRT4:20 pmTokyo Narita

Nov 18

NRT6:15 pmTokyo Narita

31h 43m

2 stops

BOI9:58 amBoise Air Term. Gowen Fld

$654

Find similar

Alaska Airlines flights from Idaho to Japan

Our best Alaska Airlines deals on Idaho to Japan flight tickets

Alaska Airlines

Nov 18

GEG8:45 amSpokane

14h 15m

1 stop

NRT4:00 pmTokyo Narita

Dec 18

NRT6:25 pmTokyo Narita

21h 45m

1 stop

GEG11:10 pmSpokane

$633

Find similar

Alaska Airlines

Dec 8

GEG5:51 amSpokane

17h 09m

1 stop

NRT4:00 pmTokyo Narita

Dec 12

NRT6:25 pmTokyo Narita

20h 03m

1 stop

GEG9:28 pmSpokane

$637

Find similar

Alaska Airlines

Nov 18

GEG8:45 amSpokane

14h 15m

1 stop

NRT4:00 pmTokyo Narita

Dec 18

NRT6:25 pmTokyo Narita

21h 45m

1 stop

GEG11:10 pmSpokane

$652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 9/8

7:44 pm-4:00 pm

1 stop28h 16m

Tokyo Narita

Wed 9/24

6:25 pm-2:50 pm

1 stop12h 25m

$623

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Sat 11/1

10:40 am-4:20 pm

2 stops62h 40m

Tokyo Narita

Wed 11/19

6:15 pm-11:28 pm

2 stops45h 13m

$630

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 11/18

8:45 am-4:00 pm

1 stop14h 15m

Tokyo Narita

Thu 12/18

6:25 pm-11:10 pm

1 stop21h 45m

$633

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 9/8

6:00 am-3:55 pm

1 stop17h 55m

Tokyo Haneda

Wed 9/24

4:30 pm-11:46 am

1 stop35h 16m

$635

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 12/8

5:51 am-4:00 pm

1 stop17h 09m

Tokyo Narita

Fri 12/12

6:25 pm-9:28 pm

1 stop20h 03m

$637

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Sat 11/15

1:47 pm-4:20 pm

2 stops33h 33m

Tokyo Narita

Sat 12/13

6:15 pm-8:59 pm

2 stops19h 44m

$653

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 9/8

9:15 am-9:05 pm

2 stops19h 50m

Tokyo Narita

Wed 9/24

9:20 am-4:45 pm

2 stops23h 25m

$654

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Sat 11/1

5:20 pm-4:20 pm

2 stops32h 00m

Tokyo Narita

Wed 11/19

6:15 pm-9:16 pm

2 stops19h 01m

$658

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Sun 8/31

7:56 am-9:05 pm

2 stops22h 09m

Tokyo Narita

Sat 9/20

2:00 pm-11:00 pm

2 stops24h 00m

$667

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Mon 9/1

6:00 am-3:55 pm

1 stop17h 55m

Tokyo Haneda

Fri 9/12

4:30 pm-6:39 pm

1 stop18h 09m

$730

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Japan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Japan?

The month of September is, on average, the cheapest month to fly to Japan from Idaho, with most prices found around $803. If you aren’t able to travel to Japan during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $824.

What is the cheapest day to depart on your flight to Japan?

On average, the least expensive day to fly to Japan from Idaho is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,477. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Idaho to Japan on a Wednesday will generally be more expensive and average around $2,142. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Japan?

Flying to Japan from Idaho in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,008 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Japan, so prices are often more expensive at around $1,788 per ticket.

Can stopping save me money on Idaho to Japan flights?

You could potentially save up to 2% on your flight if you consider stops on a Idaho to Japan flight.

Cheap Idaho to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Japan

Direct flights	None

There are no direct flights from Idaho to Japan. There are no popular flight routes from Idaho to Japan.

Search flight deals

When did momondo last update prices for flights from Idaho to Japan?
Prices for flights from Idaho to Japan refresh daily.
How many operators does momondo search for flights from Idaho to Japan?
As of August 2025, there are 7 operators available to choose from for flights from Idaho to Japan.
How old do you have to be to fly from Idaho to Japan?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Japan.
What documentation or ID do you need to fly to Japan?
The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Japan

Compare and see reviews for airlines that fly from Idaho to Japan with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $441	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Delta	PriceFrom $630	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
Japan Airlines	PriceFrom $655	Free Cancellation	Rating 8.3 1,550 reviews	Search Japan Airlines flights
ANA	PriceFrom $670	Free Cancellation	Rating 8.4 936 reviews	Search ANA flights
Alaska Airlines	PriceFrom $761	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Japan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Japan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to Japan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Japan from Idaho with this policy.

How can momondo help me find flights from Idaho to Japan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Japan.

I’m not ready to book a flight from Idaho to Japan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Japan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.