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Cheap flights from Idaho to Osaka from $1,015

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
3:50 pm - 4:48 pm
KIX
-
BOI
39h 58m
2 stops
$1,081ANA
Wed, Aug 26 - Wed, Sep 9
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
United Airlines Logo
6:15 am - 2:50 pm
BOI
-
KIX
17h 35m
1 stop
United Airlines Logo
4:55 pm - 3:31 pm
KIX
-
BOI
13h 36m
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 - 3:31 pm
KIX
-
BOI
13h 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 - 9:19 pm
KIX
-
BOI
26h 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 - 9:37 pm
KIX
-
BOI
19h 42m
2 stops
$1,096United Airlines
Tue, Aug 25 - Thu, Sep 10
United Airlines Logo
8:15 am - 2:50 pm
BOI
-
KIX
15h 35m
1 stop
United Airlines Logo
4:55 pm - 11:04 am
KIX
-
BOI
33h 09m
1 stop
$1,097United Airlines
Wed, Aug 19 - Wed, Sep 9
United Airlines Logo
6:15 am - 7:50 pm
BOI
-
KIX
22h 35m
2 stops
United Airlines Logo
9:20 am - 3:31 pm
KIX
-
BOI
21h 11m
2 stops
$1,100United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
8:15 am - 7:50 pm
BOI
-
KIX
20h 35m
2 stops
United Airlines Logo
9:20 am - 11:04 am
KIX
-
BOI
40h 44m
2 stops
$1,106United Airlines
Wed, Aug 19 - Wed, Sep 9
United Airlines Logo
7:00 am - 4:45 pm
BOI
-
KIX
41h 45m
2 stops
United Airlines Logo
6:35 pm - 11:05 pm
KIX
-
BOI
20h 30m
2 stops
$1,108United Airlines
Sun, Nov 1 - Wed, Nov 11

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
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
13h 36m
1 stop
BOI3:31 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
13h 36m
1 stop
BOI3:31 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
26h 59m
2 stops
BOI9:19 pmBoise Air Term. Gowen Fld
$1,094

Cathay Pacific flights from Idaho to Osaka Kansai Intl Airport

Our best Cathay Pacific deals on Idaho to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Sep 1
BOI10:14 amBoise Air Term. Gowen Fld
29h 26m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 8
KIX4:15 pmOsaka Kansai Intl
35h 18m
3 stops
BOI12:33 pmBoise Air Term. Gowen Fld
$1,289
Cathay Pacific
Aug 19
BOI10:14 amBoise Air Term. Gowen Fld
29h 26m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 9
KIX4:15 pmOsaka Kansai Intl
35h 18m
3 stops
BOI12:33 pmBoise Air Term. Gowen Fld
$1,353
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
35h 18m
3 stops
BOI12:33 pmBoise Air Term. Gowen Fld
$1,356

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 May 17, 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

Wed 8/26

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Wed 9/9

3:50 pm-4:48 pm

2 stops39h 58m

$1,081
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

Mon 9/7

6:15 am-2:50 pm

1 stop17h 35m

Osaka Kansai Intl

Thu 9/10

4:55 pm-3:31 pm

1 stop13h 36m

$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-3:31 pm

1 stop13h 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-9:19 pm

2 stops26h 59m

$1,094

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/25

5:40 pm-2:50 pm

2 stops30h 10m

Osaka Kansai Intl

Thu 9/10

4:55 pm-9:37 pm

2 stops19h 42m

$1,096

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 8/19

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Wed 9/9

4:55 pm-11:04 am

1 stop33h 09m

$1,097

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-3:31 pm

2 stops21h 11m

$1,100

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 8/19

8:15 am-7:50 pm

2 stops20h 35m

Osaka Kansai Intl

Wed 9/9

9:20 am-11:04 am

2 stops40h 44m

$1,106

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 11/1

7:00 am-4:45 pm

2 stops41h 45m

Osaka Kansai Intl

Wed 11/11

6:35 pm-11:05 pm

2 stops20h 30m

$1,108

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 28% 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

15h 35m

Direct flights

None
The fastest flight from Idaho to Osaka Kansai Intl Airport takes 15h 35m
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.
Search flight deals

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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