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Kansai Intl

$408+ Cheap flights from Idaho to Kansai Intl (KIX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KIX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Idaho to Kansai Intl

Cheapest flights from Idaho to Kansai Intl
Explore the most affordable flight options available from Idaho to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Priceline deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:50 am
BOI
-
KIX
2 stops19h 55m
Korean Air
Wed 3/182:00 pm
KIX
-
BOI
2 stops22h 35m
Korean Air
Deal found 1/27$731
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:20 am
BOI
-
KIX
1 stop17h 30m
United Airlines
Fri 9/189:20 am
KIX
-
BOI
2 stops29h 39m
United Airlines
Deal found 1/28$767
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:22 pm
BOI
-
KIX
2 stops30h 28m
United Airlines
Fri 9/188:30 am
KIX
-
BOI
2 stops30h 29m
United Airlines
Deal found 1/27$772
This Travelocity deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 am
BOI
-
KIX
2 stops23h 20m
Multiple Airlines
Tue 4/219:15 pm
KIX
-
BOI
2 stops40h 12m
Multiple Airlines
Deal found 1/28$781
This Korean Air deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:35 am
BOI
-
KIX
2 stops33h 45m
Korean Air
Tue 4/216:20 pm
KIX
-
BOI
2 stops40h 35m
Korean Air
Deal found 1/28$785
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:20 am
BOI
-
KIX
1 stop17h 30m
United Airlines
Wed 7/84:55 pm
KIX
-
BOI
1 stop14h 54m
United Airlines
Deal found 1/29$804
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:15 am
BOI
-
KIX
1 stop17h 35m
United Airlines
Tue 4/214:55 pm
KIX
-
BOI
2 stops43h 27m
United Airlines
Deal found 1/28$809
This Korean Air deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:05 am
BOI
-
KIX
2 stops37h 15m
Korean Air
Tue 4/216:20 pm
KIX
-
BOI
2 stops40h 35m
Korean Air
Deal found 1/28$825
This Korean Air deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:38 am
BOI
-
KIX
2 stops19h 22m
Korean Air
Sun 8/239:05 am
KIX
-
BOI
2 stops28h 59m
Korean Air
Deal found 1/27$834

Find flight deals from Idaho to Kansai Intl

Keep the following information in mind while searching for Idaho to Kansai Intl flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$731
(Priceline)

One-way from

$408
(United Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Osaka (OSA) flights.
Search Deals
From Idaho to Osaka Kansai Intl
Search Deals
One-way flight from Idaho to Osaka Kansai Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Kansai Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Idaho to Osaka Kansai Intl Airport that are best for you.

Fly from

Idaho

Fly to

Kansai Intl

Route

Depart

Return

Price

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 3/3

8:50 am-8:45 pm

2 stops19h 55m

Osaka Kansai Intl

Wed 3/18

2:00 pm-9:35 pm

2 stops22h 35m

$731

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 4/15

7:05 am-9:00 pm

2 stops22h 55m

Osaka Kansai Intl

Wed 4/22

9:05 am-4:14 pm

2 stops22h 09m

$785

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 4/14

10:41 am-9:00 pm

2 stops19h 19m

Osaka Kansai Intl

Wed 4/22

6:20 pm-4:14 pm

2 stops36h 54m

$785

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 4/15

10:41 am-11:20 am

2 stops33h 39m

Osaka Kansai Intl

Thu 4/23

9:05 am-7:55 pm

2 stops25h 50m

$785

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 4/12

10:35 am-11:20 am

2 stops33h 45m

Osaka Kansai Intl

Tue 4/21

6:20 pm-7:55 pm

2 stops40h 35m

$785

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/16

7:05 am-8:45 pm

2 stops22h 40m

Osaka Kansai Intl

Thu 3/26

9:00 am-9:35 pm

2 stops27h 35m

$785

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 4/14

6:15 am-2:50 pm

1 stop17h 35m

Osaka Kansai Intl

Tue 4/21

4:55 pm-9:22 pm

2 stops43h 27m

$809

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 4/16

7:05 am-9:00 pm

2 stops22h 55m

Osaka Kansai Intl

Fri 4/24

9:05 am-4:14 pm

2 stops22h 09m

$825

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 4/13

4:55 pm-9:00 pm

2 stops37h 05m

Osaka Kansai Intl

Mon 4/20

9:05 am-3:03 pm

2 stops20h 58m

$825

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 4/16

7:05 am-9:00 pm

2 stops22h 55m

Osaka Kansai Intl

Thu 4/23

12:35 pm-7:55 pm

2 stops22h 20m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
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Best time to book a flight from Idaho to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Osaka Kansai Intl Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Kansai Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Osaka Kansai Intl Airport?

    Airlines like Korean Air fly from Idaho to Osaka Kansai Intl Airport in about 19h 55m. The time it takes to get you to your destination can typically vary by up to . Idaho and Osaka Kansai Intl Airport are separated by a distance of 5419 mi.

  • Can I find deals for flights from Idaho to Kansai Intl that include hotel bookings?

    Yes. In addition to deals on Idaho to Kansai Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Kansai Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Kansai Intl.

  • Can I find deals for business class flights from Idaho to Kansai Intl?

    Yes. Cheapflights offers flight deals from Idaho to Kansai Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Nara
Izumisano
Himeji

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Alternative routes for Idaho to Kansai Intl

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Kansai Intl flights
Los Angeles to Kansai Intl flights
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LaGuardia to Kansai Intl flights
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O'Hare Intl to Kobe flights
Honolulu to Kobe flights
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O'Hare Intl to Osaka Itami flights
Boston to Kansai Intl flights
Portland to Kansai Intl flights
Sky Harbor Intl to Osaka Itami flights
Baltimore to Osaka Itami flights
Baltimore to Kansai Intl flights
Reagan-National to Kansai Intl flights
Dallas/Fort Worth to Osaka Itami flights
Sky Harbor Intl to Kansai Intl flights
Denver to Kansai Intl flights
Las Vegas to Kansai Intl flights
Reagan-National to Osaka Itami flights
Dallas/Fort Worth to Kobe flights
Dulles Intl to Kobe flights
LaGuardia to Osaka Itami flights
Boston to Osaka Itami flights
Hobby to Kansai Intl flights
Portland to Osaka Itami flights
San Diego to Kansai Intl flights
San Diego to Osaka Itami flights
Denver to Osaka Itami flights
Las Vegas to Osaka Itami flights
Love Field to Kansai Intl flights
Midway to Kansai Intl flights
Charlotte to Osaka Itami flights

Top airline flying from Idaho to Kansai Intl

Discover the top airline that operate flights from Idaho to Kansai Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$903FlexibilityNo cancel feeOn-time69%

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