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 51% 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.

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

American Airlines, Korean Air, and United Airlines are the most popular carriers operating from Idaho to Japan

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 December 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.

$327 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 am - 3:40 pm

GEG

NRT

15h 10m1 stop

5:40 pm - 3:25 pm

NRT

GEG

14h 45m1 stop

$638Multiple Airlines

Tue, Jan 13 - Tue, Jan 27

5:00 am - 5:20 pm

GEG

HND

19h 20m2 stops

6:05 pm - 3:25 pm

HND

GEG

14h 20m1 stop

$639Multiple Airlines

Tue, Jan 13 - Thu, Jan 22

6:00 am - 6:30 pm

GEG

HND

19h 30m1 stop

5:55 pm - 6:49 pm

HND

GEG

17h 54m1 stop

$665American Airlines

Tue, Jan 13 - Thu, Jan 22

6:05 am - 2:05 pm

GEG

HND

15h 00m1 stop

5:35 pm - 9:20 pm

HND

GEG

20h 45m1 stop

$666Delta

Tue, Jan 13 - Tue, Jan 27

11:25 am - 2:05 pm

GEG

HND

33h 40m1 stop

4:50 pm - 12:37 pm

HND

GEG

12h 47m1 stop

$672Delta

Sat, Jan 17 - Thu, Jan 29

10:00 am - 4:00 pm

BOI

NRT

14h 00m1 stop

6:30 pm - 3:10 pm

NRT

BOI

12h 40m1 stop

$672Multiple Airlines

Tue, Jan 13 - Tue, Jan 27

5:00 am - 9:10 pm

GEG

HND

23h 10m2 stops

4:25 pm - 7:16 pm

HND

GEG

19h 51m1 stop

$677United Airlines

Tue, Jan 13 - Fri, Jan 30

5:00 am - 9:10 pm

GEG

HND

23h 10m2 stops

9:55 pm - 7:16 pm

HND

GEG

38h 21m2 stops

$681United Airlines

Wed, Jan 14 - Sat, Jan 31

7:20 am - 7:30 pm

GEG

NRT

19h 10m2 stops

2:00 pm - 9:20 pm

NRT

GEG

24h 20m2 stops

$685Korean Air

Tue, Jan 13 - Tue, Jan 27

10:35 am - 9:05 pm

BOI

NRT

19h 30m2 stops

2:00 pm - 9:36 pm

NRT

BOI

22h 36m2 stops

$687Korean Air

Tue, Mar 10 - Tue, Mar 24

Korean Air flights from Idaho to Japan

Our best Korean Air deals on Idaho to Japan flight tickets

Korean Air

Jan 13

GEG7:20 amSpokane

19h 10m

2 stops

NRT7:30 pmTokyo Narita

Jan 27

NRT2:00 pmTokyo Narita

24h 20m

2 stops

GEG9:20 pmSpokane

$685

Find similar

Korean Air

Jan 14

GEG7:20 amSpokane

19h 10m

2 stops

NRT7:30 pmTokyo Narita

Jan 31

NRT9:15 amTokyo Narita

20h 22m

2 stops

GEG12:37 pmSpokane

$710

Find similar

Korean Air

Feb 2

BOI7:25 amBoise Air Term. Gowen Fld

21h 40m

2 stops

NRT9:05 pmTokyo Narita

Feb 23

NRT5:10 pmTokyo Narita

36h 01m

2 stops

BOI1:11 pmBoise Air Term. Gowen Fld

$715

Find similar

STARLUX Airlines flights from Idaho to Japan

Our best STARLUX Airlines deals on Idaho to Japan flight tickets

STARLUX Airlines

Apr 19

GEG7:43 pmSpokane

25h 12m

2 stops

NRT12:55 pmTokyo Narita

Apr 26

NRT2:10 pmTokyo Narita

23h 21m

2 stops

GEG9:31 pmSpokane

$849

Find similar

STARLUX Airlines

Apr 10

GEG7:43 pmSpokane

25h 12m

2 stops

NRT12:55 pmTokyo Narita

Apr 17

NRT2:10 pmTokyo Narita

25h 00m

2 stops

GEG11:10 pmSpokane

$868

Find similar

STARLUX Airlines

Apr 9

GEG4:43 pmSpokane

28h 12m

2 stops

NRT12:55 pmTokyo Narita

Apr 17

NRT2:10 pmTokyo Narita

25h 00m

2 stops

GEG11:10 pmSpokane

$873

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 1/13

7:30 am-3:40 pm

1 stop15h 10m

Tokyo Narita

Tue 1/27

5:40 pm-3:25 pm

1 stop14h 45m

$638

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 1/13

5:00 am-5:20 pm

2 stops19h 20m

Tokyo Haneda

Thu 1/22

6:05 pm-3:25 pm

1 stop14h 20m

$639

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 1/13

6:00 am-6:30 pm

1 stop19h 30m

Tokyo Haneda

Thu 1/22

5:55 pm-6:49 pm

1 stop17h 54m

$665

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 1/13

6:05 am-2:05 pm

1 stop15h 00m

Tokyo Haneda

Tue 1/27

5:35 pm-9:20 pm

1 stop20h 45m

$666

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Sat 1/17

11:25 am-2:05 pm

1 stop33h 40m

Tokyo Haneda

Thu 1/29

4:50 pm-12:37 pm

1 stop12h 47m

$672

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 1/13

10:00 am-4:00 pm

1 stop14h 00m

Tokyo Narita

Tue 1/27

6:30 pm-3:10 pm

1 stop12h 40m

$672

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 1/13

5:00 am-9:10 pm

2 stops23h 10m

Tokyo Haneda

Fri 1/30

4:25 pm-7:16 pm

1 stop19h 51m

$677

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Wed 1/14

5:00 am-9:10 pm

2 stops23h 10m

Tokyo Haneda

Sat 1/31

9:55 pm-7:16 pm

2 stops38h 21m

$681

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 1/13

7:20 am-7:30 pm

2 stops19h 10m

Tokyo Narita

Tue 1/27

2:00 pm-9:20 pm

2 stops24h 20m

$685

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Tue 3/10

10:35 am-9:05 pm

2 stops19h 30m

Tokyo Narita

Tue 3/24

2:00 pm-9:36 pm

2 stops22h 36m

$687

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 January is, on average, the cheapest month to fly to Japan from Idaho, with most prices found around $759. If you aren’t able to travel to Japan during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $792.

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

Fastest flight time	13h 45m
Direct flights	None

The fastest flight from Idaho to Japan takes 13h 45m

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 December 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
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Korean Air	PriceFrom $614	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights
ANA	PriceFrom $625	Free Cancellation	Rating 8.4 1,037 reviews	Search ANA flights
Delta	PriceFrom $630	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Japan Airlines	PriceFrom $655	Free Cancellation	Rating 8.3 1,660 reviews	Search Japan Airlines flights
Alaska Airlines	PriceFrom $708	Free Cancellation	Rating 8.0 11,512 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.