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Kansai Intl

$916+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KIX
May 30 — Jun 61
Sat 5/30
Sat 6/6
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 April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 9/68:15 am
BOI
-
KIX
1 stop15h 35m
United Airlines
Wed 9/99:20 am
KIX
-
BOI
2 stops22h 28m
United Airlines
Deal found 4/28$916
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 4/296:15 am
BOI
-
KIX
1 stop17h 35m
United Airlines
Sat 5/94:55 pm
KIX
-
BOI
1 stop13h 31m
United Airlines
Deal found 4/28$964
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/56:30 am
BOI
-
KIX
1 stop17h 20m
United Airlines
Tue 8/114:55 pm
KIX
-
BOI
2 stops41h 32m
United Airlines
Deal found 4/29$1,008
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 10/55:44 pm
BOI
-
KIX
2 stops30h 06m
United Airlines
Mon 10/268:20 am
KIX
-
BOI
2 stops27h 55m
United Airlines
Deal found 4/27$1,046

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$916
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$946
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Osaka Kansai Intl flight deals.
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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. 21% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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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 April 30, 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
Quickest round-trip

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 9/6

6:23 am-2:50 pm

1 stop17h 27m

Osaka Kansai Intl

Wed 9/9

9:20 am-7:27 pm

2 stops25h 07m

$916

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 8/5

6:30 am-2:50 pm

1 stop17h 20m

Osaka Kansai Intl

Tue 8/11

4:55 pm-7:27 pm

2 stops41h 32m

$1,008

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 10/5

2:31 pm-2:50 pm

2 stops33h 19m

Osaka Kansai Intl

Mon 10/26

8:20 am-7:16 pm

2 stops25h 56m

$1,046
Cheapest one-way

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/28

6:30 am-10:20 pm

2 stops24h 50m

$998

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/28

8:38 am-12:00 pm

2 stops36h 22m

$1,069

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/28

6:54 pm-2:50 pm

3 stops28h 56m

$1,435
Quickest one-way

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/28

8:38 am-6:45 pm

1 stop19h 07m

$1,444

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

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 17h 27m. The distance from Boise to Osaka Kansai Intl Airport is about 5419 mi.

  • 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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