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Cheap flights from Idaho to Osaka from $775

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 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
8:15 am - 2:50 pm
BOI
-
KIX
15h 35m
1 stop
ANA Logo
4:55 pm - 3:31 pm
KIX
-
BOI
13h 36m
1 stop
$1,084ANA
Tue, Sep 1 - Tue, Sep 8
Cathay Pacific Logo
10:00 am - 6:40 am
BOI
-
KIX
29h 40m
2 stops
Cathay Pacific Logo
9:05 am - 3:30 pm
KIX
-
BOI
21h 25m
2 stops
$1,089Cathay Pacific
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
6:15 am - 2:50 pm
BOI
-
KIX
17h 35m
1 stop
United Airlines Logo
4:55 pm - 7:19 pm
KIX
-
BOI
17h 24m
1 stop
$1,091United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
6:15 am - 2:50 pm
BOI
-
KIX
17h 35m
1 stop
United Airlines Logo
4:55 pm - 9:31 pm
KIX
-
BOI
19h 36m
1 stop
$1,092United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
8:15 am - 2:50 pm
BOI
-
KIX
15h 35m
1 stop
United Airlines Logo
9:20 am - 9:31 pm
KIX
-
BOI
27h 11m
2 stops
$1,093United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
8:15 am - 2:50 pm
BOI
-
KIX
15h 35m
1 stop
United Airlines Logo
9:20 am - 7:19 pm
KIX
-
BOI
24h 59m
2 stops
$1,094United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
5:40 pm - 2:50 pm
BOI
-
KIX
30h 10m
2 stops
United Airlines Logo
4:55 pm - 9:24 pm
KIX
-
BOI
19h 29m
1 stop
$1,096United Airlines
Mon, Aug 24 - Wed, Aug 26
United Airlines Logo
6:15 am - 7:50 pm
BOI
-
KIX
22h 35m
2 stops
United Airlines Logo
9:20 am - 9:31 pm
KIX
-
BOI
27h 11m
2 stops
$1,100United Airlines
Mon, Sep 7 - Thu, Sep 10
Cathay Pacific Logo
10:00 am - 6:40 am
BOI
-
KIX
29h 40m
2 stops
Cathay Pacific Logo
4:15 pm - 3:30 pm
KIX
-
BOI
38h 15m
3 stops
$1,104Cathay Pacific
Tue, Sep 1 - Tue, Sep 8
ANA Logo
6:15 am - 6:55 pm
BOI
-
ITM
21h 40m
2 stops
ANA Logo
12:50 pm - 3:31 pm
ITM
-
BOI
17h 41m
2 stops
$1,106ANA
Tue, Sep 1 - Tue, Sep 8

United Airlines flights from Idaho to Osaka

Our best United Airlines deals on Idaho to Osaka flight tickets
United Airlines
Sep 7
BOI6:15 amBoise Air Term. Gowen Fld
17h 35m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 10
KIX4:55 pmOsaka Kansai Intl
17h 24m
1 stop
BOI7:19 pmBoise Air Term. Gowen Fld
$1,091
United Airlines
Sep 7
BOI6:15 amBoise Air Term. Gowen Fld
17h 35m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 10
KIX4:55 pmOsaka Kansai Intl
19h 36m
1 stop
BOI9:31 pmBoise Air Term. Gowen Fld
$1,092
United Airlines
Sep 1
BOI8:15 amBoise Air Term. Gowen Fld
15h 35m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 8
KIX9:20 amOsaka Kansai Intl
27h 11m
2 stops
BOI9:31 pmBoise Air Term. Gowen Fld
$1,093

Cathay Pacific flights from Idaho to Osaka

Our best Cathay Pacific deals on Idaho to Osaka flight tickets
Cathay Pacific
Sep 1
BOI10:00 amBoise Air Term. Gowen Fld
29h 40m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 8
KIX9:05 amOsaka Kansai Intl
21h 25m
2 stops
BOI3:30 pmBoise Air Term. Gowen Fld
$1,089
Cathay Pacific
Sep 1
BOI10:00 amBoise Air Term. Gowen Fld
29h 40m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 8
KIX4:15 pmOsaka Kansai Intl
38h 15m
3 stops
BOI3:30 pmBoise Air Term. Gowen Fld
$1,104
Cathay Pacific
Sep 1
BOI6:47 pmBoise Air Term. Gowen Fld
29h 03m
3 stops
KIX2:50 pmOsaka Kansai Intl
Sep 8
KIX4:15 pmOsaka Kansai Intl
38h 15m
3 stops
BOI3:30 pmBoise Air Term. Gowen Fld
$1,223

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 May 20, 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
Quickest round-trip

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Tue 9/8

4:55 pm-3:31 pm

1 stop13h 36m

$1,084

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

10:00 am-6:40 am

2 stops29h 40m

Osaka Kansai Intl

Tue 9/8

9:05 am-3:30 pm

2 stops21h 25m

$1,089

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 9/7

6:15 am-2:50 pm

1 stop17h 35m

Osaka Kansai Intl

Thu 9/10

4:55 pm-7:19 pm

1 stop17h 24m

$1,091

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 9/7

6:15 am-2:50 pm

1 stop17h 35m

Osaka Kansai Intl

Thu 9/10

4:55 pm-9:31 pm

1 stop19h 36m

$1,092

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Tue 9/8

9:20 am-9:31 pm

2 stops27h 11m

$1,093

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Tue 9/8

9:20 am-7:19 pm

2 stops24h 59m

$1,094

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 8/24

5:40 pm-2:50 pm

2 stops30h 10m

Osaka Kansai Intl

Wed 8/26

4:55 pm-9:24 pm

1 stop19h 29m

$1,096

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 9/7

6:15 am-7:50 pm

2 stops22h 35m

Osaka Kansai Intl

Thu 9/10

9:20 am-9:31 pm

2 stops27h 11m

$1,100

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

10:00 am-6:40 am

2 stops29h 40m

Osaka Kansai Intl

Tue 9/8

4:15 pm-3:30 pm

3 stops38h 15m

$1,104

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Tue 9/1

6:15 am-6:55 pm

2 stops21h 40m

Osaka Itami

Tue 9/8

12:50 pm-3:31 pm

2 stops17h 41m

$1,106

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 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 28% 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 35m

Direct flights

None
The fastest flight from Idaho to Osaka takes 17h 35m
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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