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

Departing from Boise to Osaka Kansai Intl Airport will take you 17h 41m. The distance from Boise to Osaka Kansai Intl Airport is about 5419 mi.

In terms of precipitation, rainfall in Osaka Kansai Intl Airport ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka Kansai Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Osaka Kansai Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What is the cheapest time of day to fly from BOI to KIX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Osaka Kansai Intl Airport as you normally would.

Most accurate provider : When it comes to deals on Boise-Osaka Kansai Intl Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boise-Osaka Kansai Intl Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.

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.

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.

$484+ Cheap Flights from Boise to Osaka Kansai Intl Airport

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Cheap flight deals from Boise to Kansai Intl

Cheapest

Best

Last-minute

One-way

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 October 26, 2026.

Tue 12/14:24 pm -

1 stop32h 21m

Wed 12/166:35 pm -

1 stop18h 55m

Deal found 10/25

$873

Tue 12/15:56 pm -

2 stops26h 54m

Wed 12/162:00 pm -

2 stops24h 58m

Deal found 10/25

$995

Thu 12/37:32 am -

2 stops21h 13m

Thu 12/102:00 pm -

2 stops20h 38m

Deal found 10/22

$1,045

Thu 12/38:15 am -

1 stop16h 30m

Thu 12/106:35 pm -

1 stop14h 15m

Deal found 10/22

$1,077

Thu 12/35:47 am -

2 stops21h 23m

Thu 12/102:45 pm -

3 stops21h 10m

Deal found 10/22

$1,154

Tue 12/17:00 am -

2 stops37h 45m

Wed 12/164:15 pm -

3 stops38h 03m

Deal found 10/25

$1,444

Sat 11/219:47 pm -

2 stops32h 38m

Sat 11/2810:50 am -

2 stops30h 38m

Deal found 10/24

$1,771

Best flights from Boise to Kansai Intl
Discover carefully curated flight deals from Boise to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.

Tue 1/127:04 am -

1 stop17h 41m

Thu 1/283:20 pm -

2 stops17h 26m

Deal found 10/25

$833

Tue 12/14:24 pm -

1 stop32h 21m

Wed 12/166:35 pm -

1 stop18h 55m

Deal found 10/26

$873

Thu 12/38:59 am -

2 stops19h 46m

Thu 12/1011:55 am -

2 stops20h 09m

Deal found 10/22

$1,045

Tue 1/125:30 pm -

2 stops37h 10m

Thu 1/2811:55 am -

2 stops24h 38m

Deal found 10/26

$1,075

Last-minute flights from Boise to Kansai Intl
Discover last-minute flight deals from Boise to Kansai Intl. Data last updated October 26, 2026 and is based on user searches.

Fri 11/207:21 pm -

2 stops25h 29m

Fri 11/2712:20 pm -

2 stops23h 43m

Deal found 10/24

$7,460

Fri 11/206:20 am -

1 stop18h 25m

Fri 11/2711:10 am -

2 stops21h 32m

Deal found 10/24

$9,328

Fri 11/2011:03 am -

2 stops33h 42m

Fri 11/274:15 pm -

3 stops49h 13m

Deal found 10/24

$13,268

Sat 11/219:47 pm -

2 stops32h 38m

Sat 11/2810:50 am -

2 stops30h 38m

Deal found 10/24

$1,771

One-way flights from Boise to Kansai Intl
Search for one-way flight options from Boise to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.

Tue 1/127:00 am -

3 stops58h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$484

Mon 12/78:15 am -

1 stop16h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$510

Tue 1/127:04 am -

1 stop17h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$520

Tue 1/129:57 am -

2 stops18h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$522

Mon 12/76:06 am -

2 stops21h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$534

Mon 12/77:01 pm -

3 stops27h 44m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$747

Find flight deals from Boise to Kansai Intl

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$822 (United Airlines)
One-way from	$484 (Kiwi.com)

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

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 Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

7:00 am-9:10 am

3 stops58h 10m

Osaka Kansai Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$484

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

9:57 am-8:25 pm

2 stops18h 28m

Osaka Kansai Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$522

Quickest round-trip

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Mon 12/7

8:15 am-4:45 pm

1 stop16h 30m

Osaka Kansai Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$533

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Mon 12/7

6:06 am-7:10 pm

2 stops21h 04m

Osaka Kansai Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$534

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

6:00 am-4:45 pm

1 stop18h 45m

Osaka Kansai Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$534

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Mon 12/7

7:01 pm-2:45 pm

3 stops27h 44m

Osaka Kansai Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$747

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

7:04 am-4:45 pm

1 stop17h 41m

Osaka Kansai Intl

Thu 1/28

3:20 pm-4:46 pm

2 stops17h 26m

$833

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 12/1

4:24 pm-4:45 pm

1 stop32h 21m

Osaka Kansai Intl

Wed 12/16

6:35 pm-9:30 pm

1 stop18h 55m

$873

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Thu 12/3

8:59 am-8:45 pm

2 stops19h 46m

Osaka Kansai Intl

Thu 12/10

11:55 am-4:04 pm

2 stops20h 09m

$1,045

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

5:30 pm-10:40 pm

2 stops37h 10m

Osaka Kansai Intl

Thu 1/28

11:55 am-8:33 pm

2 stops24h 38m

$1,075

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Sorted by cheapest first

Compare providers for flights from Boise to Kansai Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Kansai Intl in October.

Provider	Price Accuracy	Trust Score*
Ovago	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boise-Osaka Kansai Intl Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boise-Osaka Kansai Intl Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.

BOI-KIX

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

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 41m. 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

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$484+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Kansai Intl with Cheapflights

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Cheap flight deals from Boise to Kansai Intl

Cheapest flights from Boise to Kansai IntlExplore 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 October 26, 2026.

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 October 26, 2026.

Best flights from Boise to Kansai IntlDiscover carefully curated flight deals from Boise to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.

Discover carefully curated flight deals from Boise to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.

Last-minute flights from Boise to Kansai IntlDiscover last-minute flight deals from Boise to Kansai Intl. Data last updated October 26, 2026 and is based on user searches.

Discover last-minute flight deals from Boise to Kansai Intl. Data last updated October 26, 2026 and is based on user searches.

One-way flights from Boise to Kansai IntlSearch for one-way flight options from Boise to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.

Search for one-way flight options from Boise to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.

Find flight deals from Boise to Kansai Intl

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Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Osaka Kansai Intl Airport that are best for you.

Compare providers for flights from Boise to Kansai Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Kansai Intl in October.

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.

Related info for your journey

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

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

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

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

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

Traveling to a place near Osaka Kansai Intl Airport?

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Complete your trip

Complete your trip to Kansai Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Kansai Intl by cabin class

Find flights from Boise to Kansai Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Kansai Intl

Explore flights to Kansai Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.

Boise and Kansai Intl flights

Browse other Boise and Kansai Intl flight options. Last updated on October 26, 2026.

Other flights from Boise

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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 October 26, 2026.

Best flights from Boise to Kansai Intl
Discover carefully curated flight deals from Boise to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.

Last-minute flights from Boise to Kansai Intl
Discover last-minute flight deals from Boise to Kansai Intl. Data last updated October 26, 2026 and is based on user searches.

One-way flights from Boise to Kansai Intl
Search for one-way flight options from Boise to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.