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Kansai Intl

$679+ Cheap flights from Boise (BOI) 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KIX
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 March 13, 2026.

This FlightHub deal was found by Cheapflights users on 3/8. 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.
Mon 9/78:15 am
BOI
-
KIX
1 stop15h 35m
ANA
Fri 9/189:20 am
KIX
-
BOI
2 stops22h 28m
ANA
Deal found 3/8$856
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:05 am
BOI
-
KIX
2 stops24h 35m
Delta
Sat 5/99:05 am
KIX
-
BOI
2 stops28h 53m
Delta
Deal found 3/10$859
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 9/55:44 pm
BOI
-
KIX
2 stops30h 06m
United Airlines
Wed 9/94:55 pm
KIX
-
BOI
1 stop14h 53m
United Airlines
Deal found 3/8$869
This Korean Air deal was found by Cheapflights users on 3/9. 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 10/510:23 am
BOI
-
KIX
2 stops21h 17m
Korean Air
Mon 10/266:10 pm
KIX
-
BOI
2 stops39h 23m
Korean Air
Deal found 3/9$884
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/9$905
This FlightHub deal was found by Cheapflights users on 3/8. 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.
Mon 9/78:15 am
BOI
-
KIX
1 stop15h 35m
ANA
Sat 9/199:20 am
KIX
-
BOI
2 stops22h 28m
ANA
Deal found 3/8$906
This Expedia deal was found by Cheapflights users on 3/10. 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.
Tue 9/298:18 am
BOI
-
KIX
2 stops33h 17m
Alaska Airlines
Tue 10/66:45 am
KIX
-
BOI
2 stops25h 19m
Alaska Airlines
Deal found 3/10$932
This Korean Air deal was found by Cheapflights users on 3/9. 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.
Sat 9/53:30 pm
BOI
-
KIX
2 stops52h 50m
Korean Air
Tue 9/82:15 am
KIX
-
BOI
2 stops28h 23m
Korean Air
Deal found 3/9$933

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$856
(FlightHub)

One-way from

$679
(China Airlines)
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
One-way flight from Boise Air Term. Gowen Fld to Osaka Kansai Intl
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 March 13, 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

Mon 9/7

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Fri 9/18

9:20 am-4:48 pm

2 stops22h 28m

$856

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 4/29

7:05 am-10:40 pm

2 stops24h 35m

Osaka Kansai Intl

Sat 5/9

9:05 am-10:58 pm

2 stops28h 53m

$859

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/5

5:44 pm-2:50 pm

2 stops30h 06m

Osaka Kansai Intl

Wed 9/9

4:55 pm-4:48 pm

1 stop14h 53m

$869

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/5

3:30 pm-5:05 pm

2 stops58h 35m

Osaka Kansai Intl

Wed 9/9

12:35 pm-3:38 pm

2 stops18h 03m

$883
Quickest round-trip

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 4/29

6:15 am-2:50 pm

1 stop17h 35m

Osaka Kansai Intl

Sat 5/9

4:55 pm-3:26 pm

1 stop13h 31m

$905
Cheapest one-way

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 3/29

6:35 pm-12:00 pm

2 stops26h 25m

$679
Quickest one-way

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 3/29

6:25 am-2:50 pm

1 stop17h 25m

$1,545

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 15h 35m. 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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