HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kansai Intl

$360+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KIX
Dec 9 — Dec 161
Tue 12/9
Tue 12/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Kansai Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 November 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$711
(United Airlines)

One-way from

$360
(FlightHub)
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

Find 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 November 9, 2025.

This Korean Air deal was found by Cheapflights users on 11/8. 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.
Mon 11/109:00 amBOI - KIX
2 stops19h 45mKorean Air
Wed 11/1911:55 amKIX - BOI
2 stops17h 15mKorean Air
Deal found 11/8$877
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 11/96:20 amBOI - KIX
1 stop18h 20mUnited Airlines
Wed 11/196:35 pmKIX - BOI
1 stop13h 28mUnited Airlines
Deal found 11/8$903
This FlightHub deal was found by Cheapflights users on 11/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:20 amBOI - KIX
2 stops19h 55mANA
Wed 11/196:35 pmKIX - BOI
1 stop35h 09mANA
Deal found 11/8$904
This Gotogate deal was found by Cheapflights users on 11/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:20 amBOI - KIX
1 stop18h 20mANA
Wed 11/197:00 pmKIX - BOI
2 stops34h 44mANA
Deal found 11/8$907
This Orbitz deal was found by Cheapflights users on 11/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:58 pmBOI - KIX
3 stops27h 57mMultiple Airlines
Wed 11/199:25 amKIX - BOI
2 stops28h 43mMultiple Airlines
Deal found 11/8$1,293
This Orbitz deal was found by Cheapflights users on 11/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:58 pmBOI - KIX
3 stops27h 57mMultiple Airlines
Wed 11/1910:00 amKIX - BOI
2 stops28h 08mMultiple Airlines
Deal found 11/8$1,343
This Travelocity deal was found by Cheapflights users on 11/7. 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 12/167:58 amBOI - KIX
1 stop18h 52mMultiple Airlines
Tue 1/65:50 pmKIX - BOI
1 stop21h 12mMultiple Airlines
Deal found 11/7$2,024
This Expedia deal was found by Cheapflights users on 11/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:58 amBOI - KIX
1 stop18h 52mMultiple Airlines
Tue 1/612:20 pmKIX - BOI
2 stops24h 50mMultiple Airlines
Deal found 11/7$2,075

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 November 9, 2025.
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

Thu 1/29

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Mon 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$711

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:45 am-10:15 am

2 stops34h 30m

Osaka Kansai Intl

Mon 2/2

5:35 pm-4:10 pm

2 stops38h 35m

$736

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 4/29

8:20 am-2:50 pm

1 stop15h 30m

Osaka Kansai Intl

Fri 5/8

4:55 pm-11:59 pm

1 stop22h 04m

$903

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 1/25

7:45 am-2:45 pm

2 stops39h 00m

$360

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/24

5:16 pm-4:40 pm

2 stops31h 24m

$369

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 11/18

5:17 pm-5:40 pm

2 stops32h 23m

$380

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 1/25

12:54 pm-8:45 am

3 stops51h 51m

$431

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 11/18

6:20 am-4:40 pm

1 stop18h 20m

$454

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/2

7:15 am-8:45 pm

2 stops21h 30m

$467

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/24

5:40 am-10:20 pm

3 stops24h 40m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 11 results
1
2

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 United Airlines fly from Idaho to Osaka Kansai Intl Airport in about 16h 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
Nishinomiya
Himeji

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Kansai Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kansai Intl flights
San Francisco to Kansai Intl flights
Honolulu to Kansai Intl flights
Los Angeles to Osaka Itami flights
Seattle to Kansai Intl flights
Los Angeles to Kobe flights
John F Kennedy Intl to Kansai Intl flights
San Francisco to Osaka Itami flights
John F Kennedy Intl to Osaka Itami flights
Las Vegas to Kansai Intl flights
Seattle to Osaka Itami flights
Newark to Kansai Intl flights
John F Kennedy Intl to Kobe flights
Honolulu to Osaka Itami flights
Ontario to Kansai Intl flights
Newark to Osaka Itami flights
San Francisco to Kobe flights
LaGuardia to Kansai Intl flights
Seattle to Kobe flights
Santa Ana to Kansai Intl flights
Dallas/Fort Worth to Kansai Intl flights
Las Vegas to Osaka Itami flights
LaGuardia to Osaka Itami flights
Boston to Kansai Intl flights
Portland to Kansai Intl flights
Honolulu to Kobe flights
Dulles Intl to Kansai Intl flights
Hobby to Kansai Intl flights
Newark to Kobe flights
San Diego to Kansai Intl flights
Denver to Kansai Intl flights
Orlando to Kansai Intl flights
San Diego to Osaka Itami flights
Portland to Osaka Itami flights
Las Vegas to Kobe flights
O'Hare Intl to Kansai Intl flights
San Jose to Kansai Intl flights
Dallas/Fort Worth to Osaka Itami flights
Dulles Intl to Osaka Itami flights
Boston to Osaka Itami flights
Denver to Osaka Itami flights
O'Hare Intl to Osaka Itami flights
Atlanta to Osaka Itami flights
Atlanta to Kansai Intl flights
Orlando to Osaka Itami flights
O'Hare Intl to Kobe flights
Atlanta to Kobe 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 November 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$1,070FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.