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Cheap flights from Idaho to Osaka from $450

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 11/18. 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
0 bags

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Find the cheapest flights from Idaho to Osaka

Cheap round-trip flights

United Airlines Logo
7:25 am - 4:40 pmBOI-KIX
17h 15m1 stop
United Airlines Logo
6:35 pm - 9:23 pmKIX-BOI
18h 48m1 stop
$708United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
7:25 am - 4:40 pmBOI-KIX
17h 15m1 stop
United Airlines Logo
8:20 am - 4:10 pmKIX-BOI
23h 50m2 stops
$710United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
ANA Logo
7:25 am - 6:55 pmBOI-ITM
19h 30m2 stops
ANA Logo
12:00 pm - 4:10 pmITM-BOI
20h 10m2 stops
$730ANA
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
7:25 am - 4:40 pmBOI-KIX
17h 15m1 stop
United Airlines Logo
6:35 pm - 9:23 pmKIX-BOI
18h 48m1 stop
$778United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
7:25 am - 4:40 pmBOI-KIX
17h 15m1 stop
United Airlines Logo
8:20 am - 7:51 pmKIX-BOI
27h 31m2 stops
$780United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
Delta Logo
5:40 am - 12:50 pmBOI-KIX
39h 10m2 stops
Delta Logo
11:55 am - 6:25 pmKIX-BOI
22h 30m2 stops
$793Delta
Find Deal
Thu, Jan 29 - Mon, Feb 2
Korean Air Logo
7:15 am - 8:45 pmBOI-KIX
21h 30m2 stops
Korean Air Logo
11:55 am - 1:07 pmKIX-BOI
17h 12m2 stops
$798Korean Air
Find Deal
Thu, Jan 29 - Mon, Feb 2
ANA Logo
7:25 am - 6:55 pmBOI-ITM
19h 30m2 stops
ANA Logo
12:00 pm - 4:10 pmITM-BOI
20h 10m2 stops
$800ANA
Find Deal
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
1:25 pm - 6:50 pmBOI-KIX
61h 25m2 stops
Multiple Airlines Logo
5:50 pm - 9:59 pmKIX-BOI
20h 09m2 stops
$926Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
6:58 pm - 7:40 amBOI-ITM
20h 42m2 stops
Multiple Airlines Logo
2:30 pm - 10:08 pmITM-BOI
23h 38m2 stops
$1,250Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15

United Airlines flights from Idaho to Osaka

Our best United Airlines deals on Idaho to Osaka flight tickets
United Airlines
Jan 29
BOI7:25 amBoise Air Term. Gowen Fld
17h 15m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 2
KIX6:35 pmOsaka Kansai Intl
18h 48m
1 stop
BOI9:23 pmBoise Air Term. Gowen Fld
$708
Find similar
United Airlines
Jan 29
BOI7:25 amBoise Air Term. Gowen Fld
17h 15m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 2
KIX8:20 amOsaka Kansai Intl
23h 50m
2 stops
BOI4:10 pmBoise Air Term. Gowen Fld
$710
Find similar
United Airlines
Jan 29
BOI7:25 amBoise Air Term. Gowen Fld
17h 15m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 2
KIX6:35 pmOsaka Kansai Intl
18h 48m
1 stop
BOI9:23 pmBoise Air Term. Gowen Fld
$778
Find similar

Alaska Airlines flights from Idaho to Osaka

Our best Alaska Airlines deals on Idaho to Osaka flight tickets
Alaska Airlines
Oct 2
BOI7:00 amBoise Air Term. Gowen Fld
20h 45m
2 stops
KIX6:45 pmOsaka Kansai Intl
Oct 8
KIX8:45 pmOsaka Kansai Intl
27h 29m
2 stops
BOI9:14 amBoise Air Term. Gowen Fld
$1,403
Find similar
Alaska Airlines
Oct 8
BOI8:05 amBoise Air Term. Gowen Fld
19h 40m
1 stop
KIX6:45 pmOsaka Kansai Intl
Oct 11
KIX5:55 pmOsaka Kansai Intl
34h 40m
1 stop
BOI1:35 pmBoise Air Term. Gowen Fld
$2,573
Find similar

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 September 25, 2025.
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

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-4:40 pm

1 stop17h 15m

Osaka Kansai Intl

Mon 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$708

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-4:40 pm

1 stop17h 15m

Osaka Kansai Intl

Mon 2/2

8:20 am-4:10 pm

2 stops23h 50m

$710

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-6:55 pm

2 stops19h 30m

Osaka Itami

Mon 2/2

12:00 pm-4:10 pm

2 stops20h 10m

$730

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-4:40 pm

1 stop17h 15m

Osaka Kansai Intl

Mon 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$778

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-4:40 pm

1 stop17h 15m

Osaka Kansai Intl

Mon 2/2

8:20 am-7:51 pm

2 stops27h 31m

$780

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

5:40 am-12:50 pm

2 stops39h 10m

Osaka Kansai Intl

Mon 2/2

11:55 am-6:25 pm

2 stops22h 30m

$793

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:15 am-8:45 pm

2 stops21h 30m

Osaka Kansai Intl

Mon 2/2

11:55 am-1:07 pm

2 stops17h 12m

$798

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-6:55 pm

2 stops19h 30m

Osaka Itami

Mon 2/2

12:00 pm-4:10 pm

2 stops20h 10m

$800

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 11/8

1:25 pm-6:50 pm

2 stops61h 25m

Osaka Kansai Intl

Sat 11/15

5:50 pm-9:59 pm

2 stops20h 09m

$926

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 11/8

6:58 pm-7:40 am

2 stops20h 42m

Osaka Itami

Sat 11/15

2:30 pm-10:08 pm

2 stops23h 38m

$1,250

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 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 day to depart on your flight to Osaka?

According to our data, Monday is the cheapest day to fly to Osaka from Idaho. The lowest ticket price found for a Monday departure recently was $1,476. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Osaka for around $2,367.

Cheap Idaho to Osaka flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho to Osaka. There are no popular flight routes from Idaho to Osaka.
Search flight deals

  • 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 many operators does momondo search for flights from Idaho to Osaka?

  • 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.

Best airlines flying from Idaho to Osaka

Compare and see reviews for airlines that fly from Idaho to Osaka with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $597Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

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