Cheap flights from Idaho to Japan from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Japan departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:20 am - 2:20 pm
GEG
-
HND
16h 00m
1 stop
Delta Logo
4:05 pm - 2:46 pm
HND
-
GEG
14h 41m
1 stop
$786Delta
Wed, Aug 26 - Wed, Sep 9
Delta Logo
5:20 am - 2:20 pm
GEG
-
HND
17h 00m
1 stop
Delta Logo
4:05 pm - 5:08 pm
HND
-
GEG
17h 03m
1 stop
$787Delta
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
5:00 am - 2:50 pm
GEG
-
NRT
17h 50m
2 stops
Multiple Airlines Logo
9:30 pm - 2:40 pm
NRT
-
GEG
33h 10m
1 stop
$800Multiple Airlines
Tue, May 12 - Wed, May 20
Korean Air Logo
10:50 am - 10:50 pm
GEG
-
HND
20h 00m
2 stops
Korean Air Logo
2:00 am - 2:46 pm
HND
-
GEG
28h 46m
2 stops
$805Korean Air
Wed, Aug 26 - Tue, Sep 8
Korean Air Logo
9:30 am - 9:05 pm
GEG
-
NRT
19h 35m
2 stops
Korean Air Logo
5:20 pm - 3:31 pm
NRT
-
GEG
38h 11m
2 stops
$805Korean Air
Tue, Apr 28 - Mon, May 11
Multiple Airlines Logo
7:14 pm - 2:10 pm
BOI
-
NRT
27h 56m
1 stop
Multiple Airlines Logo
9:30 pm - 10:27 pm
NRT
-
BOI
15h 57m
1 stop
$814Multiple Airlines
Sat, May 2 - Tue, May 12
United Airlines Logo
4:13 pm - 7:00 pm
GEG
-
HND
34h 47m
2 stops
United Airlines Logo
9:55 pm - 11:38 pm
HND
-
GEG
41h 43m
2 stops
$824United Airlines
Tue, Jul 21 - Tue, Oct 13
ANA Logo
6:00 am - 1:55 pm
GEG
-
HND
15h 55m
1 stop
ANA Logo
10:55 pm - 11:38 pm
HND
-
GEG
17h 43m
1 stop
$832ANA
Tue, Aug 18 - Wed, Nov 11
United Airlines Logo
6:00 am - 3:00 pm
GEG
-
NRT
17h 00m
1 stop
United Airlines Logo
5:00 pm - 10:22 pm
NRT
-
GEG
21h 22m
1 stop
$836United Airlines
Mon, Aug 24 - Wed, Sep 9
ANA Logo
8:15 am - 1:55 pm
BOI
-
HND
14h 40m
1 stop
ANA Logo
3:50 pm - 4:48 pm
HND
-
BOI
15h 58m
1 stop
$957ANA
Wed, Aug 19 - Wed, Aug 26

ANA flights from Idaho to Japan

Our best ANA deals on Idaho to Japan flight tickets
ANA
Aug 18
GEG6:00 amSpokane
15h 55m
1 stop
HND1:55 pmTokyo Haneda
Nov 11
HND10:55 pmTokyo Haneda
17h 43m
1 stop
GEG11:38 pmSpokane
$832
ANA
Aug 25
GEG5:00 amSpokane
18h 00m
2 stops
NRT3:00 pmTokyo Narita
Aug 26
NRT5:00 pmTokyo Narita
21h 22m
1 stop
GEG10:22 pmSpokane
$896
ANA
May 1
GEG12:25 pmSpokane
24h 35m
1 stop
HND5:00 amTokyo Haneda
May 10
HND3:50 pmTokyo Haneda
23h 00m
1 stop
GEG10:50 pmSpokane
$915

United Airlines flights from Idaho to Japan

Our best United Airlines deals on Idaho to Japan flight tickets
United Airlines
Jul 21
GEG4:13 pmSpokane
34h 47m
2 stops
HND7:00 pmTokyo Haneda
Oct 13
HND9:55 pmTokyo Haneda
41h 43m
2 stops
GEG11:38 pmSpokane
$824
United Airlines
Apr 14
GEG7:00 amSpokane
14h 55m
1 stop
HND1:55 pmTokyo Haneda
May 5
HND3:50 pmTokyo Haneda
21h 50m
1 stop
GEG9:40 pmSpokane
$835
United Airlines
Aug 24
GEG6:00 amSpokane
17h 00m
1 stop
NRT3:00 pmTokyo Narita
Sep 9
NRT5:00 pmTokyo Narita
21h 22m
1 stop
GEG10:22 pmSpokane
$836

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 23, 2026.
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

Cheapest round-trip

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Wed 8/26

6:20 am-2:20 pm

1 stop16h 00m

Tokyo Haneda

Wed 9/9

4:05 pm-2:46 pm

1 stop14h 41m

$786

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Wed 9/9

5:20 am-2:20 pm

1 stop17h 00m

Tokyo Haneda

Wed 9/16

4:05 pm-5:08 pm

1 stop17h 03m

$787

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 5/12

5:00 am-2:50 pm

2 stops17h 50m

Tokyo Narita

Wed 5/20

9:30 pm-2:40 pm

1 stop33h 10m

$800

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Wed 8/26

10:50 am-10:50 pm

2 stops20h 00m

Tokyo Haneda

Tue 9/8

2:00 am-2:46 pm

2 stops28h 46m

$805

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 4/28

9:30 am-9:05 pm

2 stops19h 35m

Tokyo Narita

Mon 5/11

5:20 pm-3:31 pm

2 stops38h 11m

$805

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Sat 5/2

7:14 pm-2:10 pm

1 stop27h 56m

Tokyo Narita

Tue 5/12

9:30 pm-10:27 pm

1 stop15h 57m

$814

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 7/21

4:13 pm-7:00 pm

2 stops34h 47m

Tokyo Haneda

Tue 10/13

9:55 pm-11:38 pm

2 stops41h 43m

$824

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 8/18

6:00 am-1:55 pm

1 stop15h 55m

Tokyo Haneda

Wed 11/11

10:55 pm-11:38 pm

1 stop17h 43m

$832

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 8/24

6:00 am-3:00 pm

1 stop17h 00m

Tokyo Narita

Wed 9/9

5:00 pm-10:22 pm

1 stop21h 22m

$836
Quickest round-trip

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Wed 8/19

8:15 am-1:55 pm

1 stop14h 40m

Tokyo Haneda

Wed 8/26

3:50 pm-4:48 pm

1 stop15h 58m

$957

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Japan from

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

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 $702. 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 $709.

Can stopping save me money on Idaho to Japan flights?

You could potentially save up to 5% 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

12h 45m

Direct flights

None
The fastest flight from Idaho to Japan takes 12h 45m
There are no direct flights from Idaho to Japan. There are no popular flight routes 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?

  • 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 AirlinesPriceFrom $597Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
Korean AirPriceFrom $666Free CancellationRating
8.4
1,202 reviews
Search Korean Air flights
DeltaPriceFrom $697Free CancellationRating
7.9
8,319 reviews
Search Delta flights
Alaska AirlinesPriceFrom $708Free CancellationRating
7.9
12,102 reviews
Search Alaska Airlines flights
ANAPriceFrom $723Free CancellationRating
8.4
1,142 reviews
Search ANA 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.

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1 adult
Wed 4/22
Wed 4/29

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