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Kansai Intl

$1,058+ Cheap flights from Boise (BOI) to Kansai Intl (KIX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KIX
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Boise to Kansai Intl

Cheapest flights from Boise to Kansai Intl
Explore the most affordable flight options available from Boise to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Air Canada deal was found by Cheapflights users on 7/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:15 am
BOI
-
KIX
2 stops41h 10m
Air Canada
Tue 9/86:00 pm
KIX
-
BOI
2 stops40h 19m
Air Canada
Deal found 7/24$1,058
This Air Canada deal was found by Cheapflights users on 7/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:40 pm
BOI
-
KIX
2 stops31h 45m
Air Canada
Mon 9/146:00 pm
KIX
-
BOI
2 stops42h 31m
Air Canada
Deal found 7/19$1,108
This Air Canada deal was found by Cheapflights users on 7/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:44 pm
BOI
-
KIX
2 stops31h 41m
Multiple Airlines
Mon 8/246:00 pm
KIX
-
BOI
2 stops16h 24m
Multiple Airlines
Deal found 7/20$1,148
This lastminute.com deal was found by Cheapflights users on 7/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/210:35 am
BOI
-
KIX
1 stop37h 15m
ANA
Tue 8/183:50 pm
KIX
-
BOI
2 stops38h 41m
ANA
Deal found 7/24$1,169
This FlightHub deal was found by Cheapflights users on 7/22. 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.
Tue 9/16:47 pm
BOI
-
KIX
3 stops29h 03m
Multiple Airlines
Tue 9/89:05 am
KIX
-
BOI
2 stops28h 22m
Multiple Airlines
Deal found 7/22$1,173
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/22:41 pm
BOI
-
KIX
2 stops33h 09m
United Airlines
Tue 8/184:55 pm
KIX
-
BOI
2 stops31h 40m
United Airlines
Deal found 7/24$1,206
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/318:15 am
BOI
-
KIX
1 stop15h 35m
United Airlines
Fri 9/44:55 pm
KIX
-
BOI
1 stop17h 29m
United Airlines
Deal found 7/23$1,213

Find flight deals from Boise to Kansai Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Kansai Intl (KIX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$956
(FlightHub)

Popular in

May

Cheapest in

February

Average price

$989
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Osaka Kansai Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Osaka Kansai Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Osaka Kansai Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($371 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 July 24, 2026.
Use the filters below to find and compare flights from Boise 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 9/1

8:15 am-4:25 pm

2 stops41h 10m

Osaka Kansai Intl

Tue 9/8

6:00 pm-7:19 pm

2 stops40h 19m

$1,058

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 8/2

10:35 am-2:50 pm

1 stop37h 15m

Osaka Kansai Intl

Tue 8/18

3:50 pm-3:31 pm

2 stops38h 41m

$1,169

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 8/18

6:51 pm-2:50 pm

3 stops28h 59m

Osaka Kansai Intl

Mon 8/24

6:30 pm-12:33 pm

2 stops33h 03m

$1,231

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 8/31

4:00 pm-8:45 pm

2 stops37h 45m

Osaka Kansai Intl

Thu 9/3

2:15 am-11:00 pm

2 stops35h 45m

$1,232

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 9/23

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Thu 9/24

9:00 pm-3:31 pm

2 stops33h 31m

$1,482
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

$1,493

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-9:45 pm

2 stops19h 50m

$1,502

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

$1,515

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Boise-Osaka Kansai Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Osaka Kansai Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Osaka Kansai Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Osaka Kansai Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Osaka Kansai Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Boise 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.

Related info for your journey

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

  • What airport do you fly from for flights from Boise to Osaka Kansai Intl?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Osaka Kansai Intl. You should not have trouble finding flights to Osaka Kansai Intl from Air Term. Gowen Fld; the airport handles an average of 0 outbound flights to Osaka Kansai Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Boise airport to Osaka Kansai Intl. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

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

    Departing from Boise to Osaka Kansai Intl Airport will take you 37h 15m. The distance from Boise to Osaka Kansai Intl Airport is about 5419 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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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