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

American Airlines, ANA, and Alaska Airlines 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 47% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 5 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 October 2025, there are 6 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.

$352 Cheap Flights from Idaho to Japan in 2025/26

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Find the cheapest flights from Idaho to Japan

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 4:20 pmBOI-NRT

29h 15m2 stops

6:15 pm - 9:11 pmNRT-BOI

18h 56m2 stops

$657Multiple Airlines

Find Deal

Mon, Feb 2 - Mon, Feb 23

7:45 am - 3:00 pmBOI-NRT

15h 15m1 stop

4:45 pm - 4:10 pmNRT-BOI

15h 25m1 stop

$662ANA

Find Deal

Tue, Jan 13 - Tue, Jan 27

7:00 am - 4:00 pmGEG-NRT

16h 00m1 stop

6:30 pm - 4:24 pmNRT-GEG

14h 54m1 stop

$664Alaska Airlines

Find Deal

Mon, Dec 1 - Wed, Dec 10

7:45 am - 6:45 pmBOI-HND

19h 00m2 stops

10:55 pm - 9:23 pmHND-BOI

14h 28m1 stop

$667United Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 27

6:28 am - 4:00 pmBOI-NRT

17h 32m1 stop

6:30 pm - 4:20 pmNRT-BOI

13h 50m1 stop

$668Alaska Airlines

Find Deal

Tue, Feb 17 - Wed, Feb 25

5:16 pm - 4:50 amBOI-HND

19h 34m2 stops

9:05 pm - 9:23 pmHND-BOI

16h 18m2 stops

$672United Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 27

5:51 am - 6:30 pmGEG-HND

19h 39m1 stop

6:05 pm - 9:13 pmHND-GEG

20h 08m1 stop

$673American Airlines

Find Deal

Wed, Feb 18 - Thu, Feb 26

5:25 am - 6:30 pmGEG-HND

20h 05m1 stop

5:55 pm - 8:57 pmHND-GEG

20h 02m1 stop

$685American Airlines

Find Deal

Tue, Dec 2 - Thu, Dec 11

10:48 am - 4:20 pmBOI-NRT

37h 32m2 stops

6:15 pm - 11:48 pmNRT-BOI

45h 33m2 stops

$688Air Canada

Find Deal

Sun, Feb 1 - Fri, Feb 6

2:40 pm - 4:20 pmBOI-NRT

33h 40m2 stops

6:15 pm - 9:59 amNRT-BOI

31h 44m2 stops

$716Air Canada

Find Deal

Thu, Nov 27 - Thu, Dec 4

Alaska Airlines flights from Idaho to Japan

Our best Alaska Airlines deals on Idaho to Japan flight tickets

Alaska Airlines

Dec 1

GEG7:00 amSpokane

16h 00m

1 stop

NRT4:00 pmTokyo Narita

Dec 10

NRT6:30 pmTokyo Narita

14h 54m

1 stop

GEG4:24 pmSpokane

$664

Find similar

Alaska Airlines

Feb 17

BOI6:28 amBoise Air Term. Gowen Fld

17h 32m

1 stop

NRT4:00 pmTokyo Narita

Feb 25

NRT6:30 pmTokyo Narita

13h 50m

1 stop

BOI4:20 pmBoise Air Term. Gowen Fld

$668

Find similar

Alaska Airlines

Feb 22

GEG7:30 amSpokane

15h 30m

1 stop

NRT4:00 pmTokyo Narita

Mar 13

NRT6:30 pmTokyo Narita

21h 44m

1 stop

GEG12:14 amSpokane

$674

Find similar

Air Canada flights from Idaho to Japan

Our best Air Canada deals on Idaho to Japan flight tickets

Air Canada

Feb 1

BOI10:48 amBoise Air Term. Gowen Fld

37h 32m

2 stops

NRT4:20 pmTokyo Narita

Feb 6

NRT6:15 pmTokyo Narita

45h 33m

2 stops

BOI11:48 pmBoise Air Term. Gowen Fld

$688

Find similar

Air Canada

Nov 27

BOI2:40 pmBoise Air Term. Gowen Fld

33h 40m

2 stops

NRT4:20 pmTokyo Narita

Dec 4

NRT6:15 pmTokyo Narita

31h 44m

2 stops

BOI9:59 amBoise Air Term. Gowen Fld

$716

Find similar

Air Canada

Jan 17

BOI9:48 amBoise Air Term. Gowen Fld

38h 32m

2 stops

NRT4:20 pmTokyo Narita

Jan 24

NRT6:15 pmTokyo Narita

39h 52m

2 stops

BOI6:07 pmBoise Air Term. Gowen Fld

$738

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 2/2

7:05 pm-4:20 pm

2 stops29h 15m

Tokyo Narita

Mon 2/23

6:15 pm-9:11 pm

2 stops18h 56m

$657

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 1/13

7:45 am-3:00 pm

1 stop15h 15m

Tokyo Narita

Tue 1/27

4:45 pm-4:10 pm

1 stop15h 25m

$662

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 12/1

7:00 am-4:00 pm

1 stop16h 00m

Tokyo Narita

Wed 12/10

6:30 pm-4:24 pm

1 stop14h 54m

$664

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 1/13

7:45 am-6:45 pm

2 stops19h 00m

Tokyo Haneda

Tue 1/27

10:55 pm-9:23 pm

1 stop14h 28m

$667

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-4:20 pm

1 stop13h 50m

$668

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 1/13

5:16 pm-4:50 am

2 stops19h 34m

Tokyo Haneda

Tue 1/27

9:05 pm-9:23 pm

2 stops16h 18m

$672

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Wed 2/18

5:51 am-6:30 pm

1 stop19h 39m

Tokyo Haneda

Thu 2/26

6:05 pm-9:13 pm

1 stop20h 08m

$673

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 12/2

5:25 am-6:30 pm

1 stop20h 05m

Tokyo Haneda

Thu 12/11

5:55 pm-8:57 pm

1 stop20h 02m

$685

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Sun 2/1

10:48 am-4:20 pm

2 stops37h 32m

Tokyo Narita

Fri 2/6

6:15 pm-11:48 pm

2 stops45h 33m

$688

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Thu 11/27

2:40 pm-4:20 pm

2 stops33h 40m

Tokyo Narita

Thu 12/4

6:15 pm-9:59 am

2 stops31h 44m

$716

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 $786. If you aren’t able to travel to Japan during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $848.

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 October 2025, there are 6 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
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
ANA	PriceFrom $625	Free Cancellation	Rating 8.4 998 reviews	Search ANA flights
Japan Airlines	PriceFrom $655	Free Cancellation	Rating 8.3 1,596 reviews	Search Japan Airlines flights
Delta	PriceFrom $697	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
Alaska Airlines	PriceFrom $761	Free Cancellation	Rating 8.0 11,217 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.