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Cheap flights from Idaho to Osaka from $602

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 7/8. 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
7:05 pm - 4:25 pm
BOI
-
KIX
30h 20m
2 stops
Multiple Airlines Logo
6:00 pm - 7:24 pm
KIX
-
BOI
16h 24m
2 stops
$1,033Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Air Canada Logo
7:05 pm - 4:25 pm
BOI
-
KIX
30h 20m
2 stops
Air Canada Logo
6:00 pm - 3:31 pm
KIX
-
BOI
36h 31m
2 stops
$1,048Air Canada
Tue, Aug 11 - Tue, Aug 18
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
$1,081Air Canada
Tue, Sep 1 - Tue, Sep 8
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
$1,091United Airlines
Tue, Aug 11 - Tue, Aug 18
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
$1,093Air Canada
Tue, Sep 1 - Tue, Sep 8
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
$1,095United Airlines
Tue, Aug 11 - Tue, Aug 18
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
$1,110Air Canada
Tue, Sep 1 - Tue, Sep 8
Air Canada Logo
8:22 am - 5:40 pm
BOI
-
KIX
18h 18m
2 stops
Air Canada Logo
7:25 pm - 4:59 pm
KIX
-
BOI
37h 34m
2 stops
$1,173Air Canada
Wed, Oct 28 - Mon, Nov 9
Japan Airlines Logo
7:05 am - 6:45 pm
BOI
-
KIX
20h 40m
1 stop
Japan Airlines Logo
5:45 pm - 11:00 pm
KIX
-
BOI
20h 15m
1 stop
$1,276Japan Airlines
Tue, Sep 1 - Tue, Sep 8
STARLUX Airlines Logo
7:48 pm - 12:15 pm
BOI
-
KIX
25h 27m
2 stops
STARLUX Airlines Logo
3:10 pm - 10:33 pm
KIX
-
BOI
22h 23m
2 stops
$1,283STARLUX Airlines
Sat, Aug 29 - Sun, Sep 6

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Air Canada flights from Idaho to Osaka Kansai Intl Airport

Our best Air Canada deals on Idaho to Osaka Kansai Intl Airport flight tickets
Air Canada
Aug 11
BOI7:05 pmBoise Air Term. Gowen Fld
30h 20m
2 stops
KIX4:25 pmOsaka Kansai Intl
Aug 18
KIX6:00 pmOsaka Kansai Intl
36h 31m
2 stops
BOI3:31 pmBoise Air Term. Gowen Fld
$1,048
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
$1,081
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
$1,093

United Airlines flights from Idaho to Osaka Kansai Intl Airport

Our best United Airlines deals on Idaho to Osaka Kansai Intl Airport 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
$1,091
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
$1,095
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
$1,301

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Osaka Kansai Intl Airport 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 2, 2026.
Use the filters below to find and compare flights from Idaho to Osaka Kansai Intl Airport 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

7:05 pm-4:25 pm

2 stops30h 20m

Osaka Kansai Intl

Tue 8/18

6:00 pm-7:24 pm

2 stops16h 24m

$1,033

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/11

7:05 pm-4:25 pm

2 stops30h 20m

Osaka Kansai Intl

Tue 8/18

6:00 pm-3:31 pm

2 stops36h 31m

$1,048

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

$1,081
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

$1,091

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

$1,093

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

$1,095

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

$1,110

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 10/28

8:22 am-5:40 pm

2 stops18h 18m

Osaka Kansai Intl

Mon 11/9

7:25 pm-4:59 pm

2 stops37h 34m

$1,173

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

7:05 am-6:45 pm

1 stop20h 40m

Osaka Kansai Intl

Tue 9/8

5:45 pm-11:00 pm

1 stop20h 15m

$1,276

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 8/29

7:48 pm-12:15 pm

2 stops25h 27m

Osaka Kansai Intl

Sun 9/6

3:10 pm-10:33 pm

2 stops22h 23m

$1,283

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 Kansai Intl Airport

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

Can stopping save me money on Idaho to Osaka Kansai Intl Airport flights?

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

Cheap Idaho to Osaka Kansai Intl Airport flight deals and tips

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

Fastest flight time

23h 25m

Direct flights

None
The fastest flight from Idaho to Osaka Kansai Intl Airport takes 23h 25m
There are no direct flights from Idaho to Osaka Kansai Intl Airport. There are no popular flight routes from Idaho to Osaka Kansai Intl Airport.
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Frequently asked questions about flying from Idaho to Osaka Kansai Intl Airport

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

    Prices for flights from Idaho to Osaka Kansai Intl Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Osaka Kansai Intl Airport.

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

    The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport 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 Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Osaka?

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

Why use momondo?

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

Finding the right flight to Osaka from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Osaka quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Osaka from Idaho with this policy.

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

momondo helps you find the best flight between Idaho and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Idaho to Osaka 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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