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

ANA, United Airlines, and Delta are the most popular carriers operating from Idaho to Japan

What airlines fly to Japan?

United Airlines, Delta and Korean Air 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 4 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 2026, there are 4 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.

$435 Cheap Flights from Idaho to Japan in 2026

Discover deals from 900+ travel sites with momondo.

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.

12:30 pm - 4:30 pmGEG Spokane-NRT Tokyo Narita

35h 00m2 stops San Francisco Vancouver Intl

6:15 pm - 11:38 pmNRT Tokyo Narita-GEG Spokane

46h 23m2 stops Vancouver Intl San Francisco

$828Air Canada

Sat, Jan 23 - Tue, Feb 9

12:30 pm - 4:30 pmGEG Spokane-NRT Tokyo Narita

35h 00m2 stops San Francisco Vancouver Intl

6:15 pm - 11:38 pmNRT Tokyo Narita-GEG Spokane

46h 23m2 stops Vancouver Intl San Francisco

$828Air Canada

Tue, Jan 26 - Fri, Feb 12

7:02 am - 6:45 pmGEG Spokane-HND Tokyo Haneda

18h 43m2 stops San Francisco Vancouver Intl

9:55 pm - 11:38 pmHND Tokyo Haneda-GEG Spokane

42h 43m2 stops Vancouver Intl San Francisco

$1,086United Airlines

Mon, Jan 25 - Wed, Feb 3

7:00 am - 3:35 pmJAC Jackson Hole-NRT Tokyo Narita

16h 35m1 stop Denver Intl

5:40 pm - 3:12 pmNRT Tokyo Narita-JAC Jackson Hole

13h 32m1 stop Denver Intl

$1,101United Airlines

Wed, Feb 3 - Thu, Feb 11

7:05 am - 2:20 pmGEG Spokane-HND Tokyo Haneda

15h 15m1 stop Seattle/Tacoma Intl

4:20 pm - 9:15 pmHND Tokyo Haneda-GEG Spokane

20h 55m1 stop Seattle/Tacoma Intl

$1,101Delta

Fri, Sep 18 - Fri, Sep 25

9:10 am - 3:05 pmGEG Spokane-HND Tokyo Haneda

12h 55m1 stop Seattle/Tacoma Intl

4:50 pm - 6:48 pmHND Tokyo Haneda-GEG Spokane

18h 58m1 stop Seattle/Tacoma Intl

$1,109Delta

Sun, Jan 24 - Thu, Feb 11

4:14 pm - 3:55 pmBOI Boise Air Term. Gowen Fld-NRT Tokyo Narita

31h 41m2 stops Los Angeles Incheon Intl

5:10 pm - 3:33 pmNRT Tokyo Narita-BOI Boise Air Term. Gowen Fld

38h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$1,176Korean Air

Mon, Nov 23 - Mon, Nov 30

4:14 pm - 3:55 pmBOI Boise Air Term. Gowen Fld-NRT Tokyo Narita

31h 41m2 stops Los Angeles Incheon Intl

2:00 pm - 3:33 pmNRT Tokyo Narita-BOI Boise Air Term. Gowen Fld

41h 33m2 stops Incheon Intl Seattle/Tacoma Intl

$1,176Korean Air

Tue, Nov 24 - Mon, Nov 30

2:41 pm - 3:40 pmBOI Boise Air Term. Gowen Fld-NRT Tokyo Narita

32h 59m1 stop Dallas/Fort Worth

5:30 pm - 10:46 pmNRT Tokyo Narita-BOI Boise Air Term. Gowen Fld

21h 16m1 stop Dallas/Fort Worth

$1,915Japan Airlines

Fri, Nov 20 - Fri, Nov 27

12:21 pm - 3:40 pmBOI Boise Air Term. Gowen Fld-NRT Tokyo Narita

35h 19m1 stop Dallas/Fort Worth

5:30 pm - 1:10 pmNRT Tokyo Narita-BOI Boise Air Term. Gowen Fld

35h 40m1 stop Dallas/Fort Worth

$1,933Japan Airlines

Thu, Dec 24 - Mon, Jan 4

Cheap last minute flights

Enter your travel dates to find the best prices.

9:25 am - 9:05 pmGEG Spokane-NRT Tokyo Narita

19h 40m2 stops Seattle/Tacoma Intl Incheon Intl

9:20 am - 6:50 pmNRT Tokyo Narita-GEG Spokane

25h 30m2 stops Incheon Intl Seattle/Tacoma Intl

$1,065Delta

Tue, Aug 25 - Thu, Sep 24

9:25 am - 9:05 pmGEG Spokane-NRT Tokyo Narita

19h 40m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 pm - 11:59 pmNRT Tokyo Narita-GEG Spokane

25h 59m2 stops Incheon Intl Seattle/Tacoma Intl

$1,065Delta

Tue, Aug 25 - Tue, Sep 15

5:00 am - 2:30 pmGEG Spokane-NRT Tokyo Narita

17h 30m1 stop Denver Intl

5:05 pm - 10:16 pmNRT Tokyo Narita-GEG Spokane

21h 11m1 stop San Francisco

$1,101United Airlines

Tue, Aug 25 - Thu, Sep 24

5:00 am - 2:30 pmGEG Spokane-NRT Tokyo Narita

17h 30m1 stop Denver Intl

5:05 pm - 7:16 pmNRT Tokyo Narita-GEG Spokane

18h 11m1 stop San Francisco

$1,101United Airlines

Tue, Aug 25 - Tue, Sep 15

5:00 am - 3:25 pmGEG Spokane-NRT Tokyo Narita

18h 25m2 stops Denver Intl San Francisco

4:30 pm - 8:49 pmNRT Tokyo Narita-GEG Spokane

20h 19m1 stop Denver Intl

$1,101United Airlines

Tue, Aug 25 - Thu, Sep 24

5:00 am - 2:30 pmGEG Spokane-NRT Tokyo Narita

17h 30m1 stop Denver Intl

4:45 pm - 9:14 pmNRT Tokyo Narita-GEG Spokane

20h 29m2 stops Los Angeles Denver Intl

$1,105United Airlines

Tue, Aug 25 - Tue, Sep 15

6:47 pm - 4:45 amBOI Boise Air Term. Gowen Fld-HND Tokyo Haneda

18h 58m1 stop Los Angeles

4:30 pm - 10:11 pmHND Tokyo Haneda-BOI Boise Air Term. Gowen Fld

20h 41m1 stop Dallas/Fort Worth

$1,141Multiple Airlines

Tue, Aug 25 - Thu, Aug 27

7:03 am - 3:30 pmGEG Spokane-NRT Tokyo Narita

16h 27m1 stop Seattle/Tacoma Intl

6:15 pm - 1:22 pmNRT Tokyo Narita-GEG Spokane

35h 07m1 stop San Francisco

$1,162Multiple Airlines

Mon, Aug 24 - Sat, Aug 29

8:31 am - 3:30 pmGEG Spokane-NRT Tokyo Narita

14h 59m1 stop Seattle/Tacoma Intl

5:20 pm - 10:38 pmNRT Tokyo Narita-GEG Spokane

21h 18m1 stop Los Angeles

$1,164Multiple Airlines

Mon, Aug 24 - Sat, Aug 29

8:15 am - 3:00 pmBOI Boise Air Term. Gowen Fld-NRT Tokyo Narita

15h 45m1 stop San Francisco

5:05 pm - 3:31 pmNRT Tokyo Narita-BOI Boise Air Term. Gowen Fld

13h 26m1 stop San Francisco

$1,168ANA

Tue, Aug 25 - Thu, Aug 27

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Air Canada flights from Idaho to Japan

Our best Air Canada deals on Idaho to Japan flight tickets

Air Canada

Jan 23

GEG12:30 pmSpokane

35h 00m

2 stops

NRT4:30 pmTokyo Narita

Feb 8

NRT6:15 pmTokyo Narita

46h 23m

2 stops

GEG11:38 pmSpokane

$828

Air Canada

Jan 10

BOI5:22 pmBoise Air Term. Gowen Fld

55h 08m

2 stops

NRT4:30 pmTokyo Narita

Jan 26

NRT6:15 pmTokyo Narita

43h 01m

2 stops

BOI9:16 pmBoise Air Term. Gowen Fld

$836

Air Canada

Feb 2

BOI7:00 amBoise Air Term. Gowen Fld

41h 30m

2 stops

NRT4:30 pmTokyo Narita

Feb 17

NRT6:45 pmTokyo Narita

44h 20m

2 stops

BOI11:05 pmBoise Air Term. Gowen Fld

$839

Korean Air flights from Idaho to Japan

Our best Korean Air deals on Idaho to Japan flight tickets

Korean Air

Sep 16

GEG9:23 amSpokane

19h 42m

2 stops

NRT9:05 pmTokyo Narita

Sep 30

NRT9:20 amTokyo Narita

21h 54m

2 stops

GEG3:14 pmSpokane

$1,070

Korean Air

Sep 16

GEG9:23 amSpokane

19h 42m

2 stops

NRT9:05 pmTokyo Narita

Sep 30

NRT9:20 amTokyo Narita

21h 54m

2 stops

GEG3:14 pmSpokane

$1,071

Korean Air

Sep 18

GEG9:23 amSpokane

19h 42m

2 stops

NRT9:05 pmTokyo Narita

Sep 25

NRT9:20 amTokyo Narita

21h 54m

2 stops

GEG3:14 pmSpokane

$1,120

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneTokyo

GEG Spokane - NRT Tokyo Narita

GEGNRT

Spokane

Sat 1/23

12:30 pm-4:30 pm

2 stops35h 00m

Tokyo Narita

Tue 2/9

6:15 pm-11:38 pm

2 stops46h 23m

$828

SpokaneTokyo

GEG Spokane - NRT Tokyo Narita

GEGNRT

Spokane

Tue 1/26

12:30 pm-4:30 pm

2 stops35h 00m

Tokyo Narita

Fri 2/12

6:15 pm-11:38 pm

2 stops46h 23m

$828

SpokaneTokyo

GEG Spokane - HND Tokyo Haneda

GEGHND

Spokane

Mon 1/25

7:02 am-6:45 pm

2 stops18h 43m

Tokyo Haneda

Wed 2/3

9:55 pm-11:38 pm

2 stops42h 43m

$1,086

Quickest round-trip

JacksonTokyo

JAC Jackson Hole - NRT Tokyo Narita

JACNRT

Jackson Hole

Wed 2/3

7:00 am-3:35 pm

1 stop16h 35m

Tokyo Narita

Thu 2/11

5:40 pm-3:12 pm

1 stop13h 32m

$1,101

SpokaneTokyo

GEG Spokane - HND Tokyo Haneda

GEGHND

Spokane

Fri 9/18

7:05 am-2:20 pm

1 stop15h 15m

Tokyo Haneda

Fri 9/25

4:20 pm-9:15 pm

1 stop20h 55m

$1,101

SpokaneTokyo

GEG Spokane - HND Tokyo Haneda

GEGHND

Spokane

Sun 1/24

9:10 am-3:05 pm

1 stop12h 55m

Tokyo Haneda

Thu 2/11

4:50 pm-6:48 pm

1 stop18h 58m

$1,109

BoiseTokyo

BOI Boise Air Term. Gowen Fld - NRT Tokyo Narita

BOINRT

Boise Air Term. Gowen Fld

Mon 11/23

4:14 pm-3:55 pm

2 stops31h 41m

Tokyo Narita

Mon 11/30

5:10 pm-3:33 pm

2 stops38h 23m

$1,176

BoiseTokyo

BOI Boise Air Term. Gowen Fld - NRT Tokyo Narita

BOINRT

Boise Air Term. Gowen Fld

Tue 11/24

4:14 pm-3:55 pm

2 stops31h 41m

Tokyo Narita

Mon 11/30

2:00 pm-3:33 pm

2 stops41h 33m

$1,176

BoiseTokyo

BOI Boise Air Term. Gowen Fld - NRT Tokyo Narita

BOINRT

Boise Air Term. Gowen Fld

Fri 11/20

2:41 pm-3:40 pm

1 stop32h 59m

Tokyo Narita

Fri 11/27

5:30 pm-10:46 pm

1 stop21h 16m

$1,915

BoiseTokyo

BOI Boise Air Term. Gowen Fld - NRT Tokyo Narita

BOINRT

Boise Air Term. Gowen Fld

Thu 12/24

12:21 pm-3:40 pm

1 stop35h 19m

Tokyo Narita

Mon 1/4

5:30 pm-1:10 pm

1 stop35h 40m

$1,933

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 February is, on average, the cheapest month to fly to Japan from Idaho, with most prices found around $708. If you aren’t able to travel to Japan during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $742.

Cheap Idaho to Japan flight deals and tips

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

Best Price Found	$435
Fastest flight time	14h 28m
Direct flights	None

The best one-way flight to Japan from Idaho in the past 72 hours is $435. The best round-trip flight deal from Idaho to Japan found on momondo in the last 72 hours is $828.

The fastest flight from Idaho to Japan takes 14h 28m

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

Search flight deals

Frequently asked questions about flying 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 August 2026, there are 4 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 $664	Free Cancellation	Rating 7.4 10,114 reviews	Search United Airlines flights
Delta	PriceFrom $697	Free Cancellation	Rating 7.8 8,513 reviews	Search Delta flights
Japan Airlines	PriceFrom $735	Free Cancellation	Rating 8.3 1,908 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $780	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air 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.