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Cheap flights from Idaho to Osaka from $491

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 Osaka departing on 8/28. 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

Find the cheapest flights from Idaho to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:44 pm - 4:25 pm
BOI
-
KIX
31h 41m
2 stops
Multiple Airlines Logo
6:00 pm - 9:37 pm
KIX
-
BOI
18h 37m
2 stops
$1,033Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
7:05 pm - 4:25 pm
BOI
-
KIX
30h 20m
2 stops
Multiple Airlines Logo
6:00 pm - 9:37 pm
KIX
-
BOI
18h 37m
2 stops
$1,073Multiple Airlines
Tue, Aug 18 - Sat, Aug 22
Air Canada Logo
8:15 am - 4:25 pm
BOI
-
KIX
41h 10m
2 stops
Air Canada Logo
6:00 pm - 3:31 pm
KIX
-
BOI
36h 31m
2 stops
$1,093Air Canada
Tue, Sep 1 - Tue, Sep 8
Air Canada Logo
6:15 am - 4:25 pm
BOI
-
KIX
43h 10m
2 stops
Air Canada Logo
6:00 pm - 3:31 pm
KIX
-
BOI
36h 31m
2 stops
$1,122Air Canada
Tue, Sep 1 - Tue, Sep 8
STARLUX Airlines Logo
5:43 pm - 11:10 am
BOI
-
KIX
25h 27m
2 stops
STARLUX Airlines Logo
2:00 pm - 10:20 pm
KIX
-
BOI
24h 20m
2 stops
$1,201STARLUX Airlines
Mon, Jan 4 - Wed, Jan 20
United Airlines Logo
6:32 am - 2:50 pm
BOI
-
KIX
17h 18m
1 stop
United Airlines Logo
4:55 pm - 3:31 pm
KIX
-
BOI
13h 36m
1 stop
$1,213United Airlines
Tue, Aug 11 - Tue, Aug 18
United Airlines Logo
5:44 pm - 2:50 pm
BOI
-
KIX
30h 06m
2 stops
United Airlines Logo
4:55 pm - 3:31 pm
KIX
-
BOI
13h 36m
1 stop
$1,218United Airlines
Tue, Aug 11 - Tue, Aug 18
STARLUX Airlines Logo
5:43 pm - 12:50 pm
BOI
-
KIX
27h 07m
2 stops
STARLUX Airlines Logo
12:20 pm - 10:20 pm
KIX
-
BOI
26h 00m
2 stops
$1,225STARLUX Airlines
Mon, Jan 4 - Tue, Jan 19
ANA Logo
8:15 am - 6:55 pm
BOI
-
ITM
19h 40m
2 stops
ANA Logo
2:00 pm - 3:31 pm
ITM
-
BOI
16h 31m
2 stops
$1,270ANA
Tue, Aug 11 - Tue, Aug 18
ANA Logo
8:15 am - 6:55 pm
BOI
-
ITM
19h 40m
2 stops
ANA Logo
12:50 pm - 3:31 pm
ITM
-
BOI
17h 41m
2 stops
$1,489ANA
Tue, Sep 1 - Tue, Sep 8

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United Airlines flights from Idaho to Osaka

Our best United Airlines deals on Idaho to Osaka flight tickets
United Airlines
Aug 11
BOI6:32 amBoise Air Term. Gowen Fld
17h 18m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 18
KIX4:55 pmOsaka Kansai Intl
13h 36m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$1,213
United Airlines
Aug 11
BOI5:44 pmBoise Air Term. Gowen Fld
30h 06m
2 stops
KIX2:50 pmOsaka Kansai Intl
Aug 18
KIX4:55 pmOsaka Kansai Intl
13h 36m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$1,218
United Airlines
Aug 21
BOI5:44 pmBoise Air Term. Gowen Fld
54h 06m
2 stops
KIX2:50 pmOsaka Kansai Intl
Aug 28
KIX4:55 pmOsaka Kansai Intl
17h 29m
1 stop
BOI7:24 pmBoise Air Term. Gowen Fld
$1,318

Air Canada flights from Idaho to Osaka

Our best Air Canada deals on Idaho to Osaka flight tickets
Air Canada
Sep 1
BOI8:15 amBoise Air Term. Gowen Fld
41h 10m
2 stops
KIX4:25 pmOsaka Kansai Intl
Sep 8
KIX6:00 pmOsaka Kansai Intl
36h 31m
2 stops
BOI3:31 pmBoise Air Term. Gowen Fld
$1,093
Air Canada
Sep 1
BOI6:15 amBoise Air Term. Gowen Fld
43h 10m
2 stops
KIX4:25 pmOsaka Kansai Intl
Sep 8
KIX6:00 pmOsaka Kansai Intl
36h 31m
2 stops
BOI3:31 pmBoise Air Term. Gowen Fld
$1,122
Air Canada
Jul 14
BOI7:05 pmBoise Air Term. Gowen Fld
30h 20m
2 stops
KIX4:25 pmOsaka Kansai Intl
Jul 21
KIX6:00 pmOsaka Kansai Intl
34h 08m
2 stops
BOI1:08 pmBoise Air Term. Gowen Fld
$1,135

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Osaka 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 July 9, 2026.
Use the filters below to find and compare flights from Idaho to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/11

5:44 pm-4:25 pm

2 stops31h 41m

Osaka Kansai Intl

Tue 8/18

6:00 pm-9:37 pm

2 stops18h 37m

$1,033

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/18

7:05 pm-4:25 pm

2 stops30h 20m

Osaka Kansai Intl

Sat 8/22

6:00 pm-9:37 pm

2 stops18h 37m

$1,073

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

8:15 am-4:25 pm

2 stops41h 10m

Osaka Kansai Intl

Tue 9/8

6:00 pm-3:31 pm

2 stops36h 31m

$1,093

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

6:15 am-4:25 pm

2 stops43h 10m

Osaka Kansai Intl

Tue 9/8

6:00 pm-3:31 pm

2 stops36h 31m

$1,122

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 1/4

5:43 pm-11:10 am

2 stops25h 27m

Osaka Kansai Intl

Wed 1/20

2:00 pm-10:20 pm

2 stops24h 20m

$1,201
Quickest round-trip

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/11

6:32 am-2:50 pm

1 stop17h 18m

Osaka Kansai Intl

Tue 8/18

4:55 pm-3:31 pm

1 stop13h 36m

$1,213

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/11

5:44 pm-2:50 pm

2 stops30h 06m

Osaka Kansai Intl

Tue 8/18

4:55 pm-3:31 pm

1 stop13h 36m

$1,218

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 1/4

5:43 pm-12:50 pm

2 stops27h 07m

Osaka Kansai Intl

Tue 1/19

12:20 pm-10:20 pm

2 stops26h 00m

$1,225

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Tue 8/11

8:15 am-6:55 pm

2 stops19h 40m

Osaka Itami

Tue 8/18

2:00 pm-3:31 pm

2 stops16h 31m

$1,270

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Tue 9/1

8:15 am-6:55 pm

2 stops19h 40m

Osaka Itami

Tue 9/8

12:50 pm-3:31 pm

2 stops17h 41m

$1,489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Idaho to Osaka

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 Osaka?

In general, December is the cheapest month to fly from Idaho to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Osaka during the month of December, then departing from Idaho during the month November is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Idaho to Osaka flights?

You could potentially save up to 34% on your flight if you consider stops on a Idaho to Osaka flight.

Cheap Idaho to Osaka flight deals and tips

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

Fastest flight time

17h 50m

Direct flights

None
The fastest flight from Idaho to Osaka takes 17h 50m
There are no direct flights from Idaho to Osaka. There are no popular flight routes from Idaho to Osaka.
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Frequently asked questions about flying from Idaho to Osaka

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

    Prices for flights from Idaho to Osaka are refreshed on a daily basis.

  • How old do you have to be to fly from Idaho to Osaka?

    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 Osaka.

  • What documentation or ID do you need to fly to Osaka?

    The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Osaka for you.

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

momondo does allow users to show only those flights to Osaka from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Osaka from Idaho.

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

If you are not ready to book a flight from Idaho to Osaka now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Osaka and let you know when they change.

An easier way to manage your Osaka trip

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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka
Osaka Itami Airport
Osaka Kansai Intl Airport