What is the cheapest airline that flies from Idaho to Osaka Kansai Intl?

ANA and United Airlines are the most popular carriers operating from Idaho to Osaka Kansai Intl

When did momondo last update prices for flights from Idaho to Osaka Kansai Intl Airport?

Prices for flights from Idaho to Osaka Kansai Intl Airport are updated daily.

How many operators does momondo search for flights from Idaho to Osaka Kansai Intl Airport?

As of December 2025, there is 1 operator available to choose from for flights from Idaho to Osaka Kansai Intl Airport.

How old do you have to be to fly from Idaho to Osaka Kansai Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Osaka Kansai Intl Airport.

What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$486 Cheap Flights from Idaho to Osaka Kansai Intl Airport in 2025/26

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Find the cheapest flights from Idaho to Osaka

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 am - 8:45 pm

BOI

KIX

19h 55m2 stops

11:55 am - 6:43 pm

KIX

BOI

21h 48m2 stops

$690Korean Air

Tue, Feb 24 - Tue, Mar 17

5:20 am - 5:00 pm

BOI

KIX

43h 40m2 stops

9:00 am - 9:58 pm

KIX

BOI

28h 58m2 stops

$713Delta

Tue, Jan 20 - Fri, Feb 6

7:25 am - 8:45 pm

BOI

KIX

21h 20m2 stops

9:00 am - 6:28 pm

KIX

BOI

25h 28m2 stops

$718Korean Air

Mon, Jan 19 - Tue, Feb 10

10:39 am - 8:45 pm

BOI

KIX

42h 06m2 stops

11:55 am - 6:28 pm

KIX

BOI

22h 33m2 stops

$719Delta

Sat, Jan 24 - Wed, Feb 11

7:25 am - 8:45 pm

BOI

KIX

21h 20m2 stops

11:55 am - 4:17 pm

KIX

BOI

20h 22m2 stops

$724Korean Air

Thu, Jan 22 - Fri, Feb 6

10:39 am - 8:45 pm

BOI

KIX

42h 06m2 stops

11:55 am - 5:35 pm

KIX

BOI

21h 40m2 stops

$725Delta

Sat, Jan 24 - Sun, Feb 8

7:45 am - 4:40 pm

BOI

KIX

16h 55m1 stop

6:35 pm - 11:48 pm

KIX

BOI

21h 13m1 stop

$729United Airlines

Mon, Jan 19 - Fri, Feb 6

7:25 am - 8:45 pm

BOI

KIX

21h 20m2 stops

11:55 am - 4:17 pm

KIX

BOI

20h 22m2 stops

$730Korean Air

Thu, Jan 22 - Sun, Feb 8

7:45 am - 4:40 pm

BOI

KIX

16h 55m1 stop

6:35 pm - 7:51 pm

KIX

BOI

17h 16m2 stops

$734United Airlines

Mon, Jan 19 - Fri, Feb 6

7:05 pm - 4:40 pm

BOI

KIX

29h 35m1 stop

6:35 pm - 11:48 pm

KIX

BOI

21h 13m1 stop

$735United Airlines

Sat, Jan 24 - Wed, Feb 11

Korean Air flights from Idaho to Osaka Kansai Intl Airport

Our best Korean Air deals on Idaho to Osaka Kansai Intl Airport flight tickets

Korean Air

Feb 24

BOI8:50 amBoise Air Term. Gowen Fld

19h 55m

2 stops

KIX8:45 pmOsaka Kansai Intl

Mar 17

KIX11:55 amOsaka Kansai Intl

21h 48m

2 stops

BOI6:43 pmBoise Air Term. Gowen Fld

$690

Find similar

Korean Air

Jan 19

BOI7:25 amBoise Air Term. Gowen Fld

21h 20m

2 stops

KIX8:45 pmOsaka Kansai Intl

Feb 10

KIX9:00 amOsaka Kansai Intl

25h 28m

2 stops

BOI6:28 pmBoise Air Term. Gowen Fld

$718

Find similar

Korean Air

Jan 22

BOI7:25 amBoise Air Term. Gowen Fld

21h 20m

2 stops

KIX8:45 pmOsaka Kansai Intl

Feb 6

KIX11:55 amOsaka Kansai Intl

20h 22m

2 stops

BOI4:17 pmBoise Air Term. Gowen Fld

$724

Find similar

Delta flights from Idaho to Osaka Kansai Intl Airport

Our best Delta deals on Idaho to Osaka Kansai Intl Airport flight tickets

Delta

Jan 20

BOI5:20 amBoise Air Term. Gowen Fld

43h 40m

2 stops

KIX5:00 pmOsaka Kansai Intl

Feb 6

KIX9:00 amOsaka Kansai Intl

28h 58m

2 stops

BOI9:58 pmBoise Air Term. Gowen Fld

$713

Find similar

Delta

Jan 24

BOI10:39 amBoise Air Term. Gowen Fld

42h 06m

2 stops

KIX8:45 pmOsaka Kansai Intl

Feb 11

KIX11:55 amOsaka Kansai Intl

22h 33m

2 stops

BOI6:28 pmBoise Air Term. Gowen Fld

$719

Find similar

Delta

Jan 24

BOI10:39 amBoise Air Term. Gowen Fld

42h 06m

2 stops

KIX8:45 pmOsaka Kansai Intl

Feb 8

KIX11:55 amOsaka Kansai Intl

21h 40m

2 stops

BOI5:35 pmBoise Air Term. Gowen Fld

$725

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 2/24

8:50 am-8:45 pm

2 stops19h 55m

Osaka Kansai Intl

Tue 3/17

11:55 am-6:43 pm

2 stops21h 48m

$690

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/20

5:20 am-5:00 pm

2 stops43h 40m

Osaka Kansai Intl

Fri 2/6

9:00 am-9:58 pm

2 stops28h 58m

$713

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 1/19

7:25 am-8:45 pm

2 stops21h 20m

Osaka Kansai Intl

Tue 2/10

9:00 am-6:28 pm

2 stops25h 28m

$718

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/24

10:39 am-8:45 pm

2 stops42h 06m

Osaka Kansai Intl

Wed 2/11

11:55 am-6:28 pm

2 stops22h 33m

$719

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/22

7:25 am-8:45 pm

2 stops21h 20m

Osaka Kansai Intl

Fri 2/6

11:55 am-4:17 pm

2 stops20h 22m

$724

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/24

10:39 am-8:45 pm

2 stops42h 06m

Osaka Kansai Intl

Sun 2/8

11:55 am-5:35 pm

2 stops21h 40m

$725

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 1/19

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Fri 2/6

6:35 pm-11:48 pm

1 stop21h 13m

$729

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/22

7:25 am-8:45 pm

2 stops21h 20m

Osaka Kansai Intl

Sun 2/8

11:55 am-4:17 pm

2 stops20h 22m

$730

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 1/19

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Fri 2/6

6:35 pm-7:51 pm

2 stops17h 16m

$734

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/24

7:05 pm-4:40 pm

1 stop29h 35m

Osaka Kansai Intl

Wed 2/11

6:35 pm-11:48 pm

1 stop21h 13m

$735

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

The cheapest day to depart from Idaho to Osaka Kansai Intl Airport is on a Friday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Friday will often find tickets for as low as $1,140. Flights from Idaho to Osaka Kansai Intl Airport on a Monday will generally be more expensive and average around $1,476. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Idaho to Osaka Kansai Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Osaka Kansai Intl Airport

Fastest flight time	19h 55m
Direct flights	None

The fastest flight from Idaho to Osaka Kansai Intl Airport takes 19h 55m

There are no direct flights from Idaho to Osaka Kansai Intl Airport. There are no popular flight routes from Idaho to Osaka Kansai Intl Airport.

Search flight deals

When did momondo last update prices for flights from Idaho to Osaka Kansai Intl Airport?
Prices for flights from Idaho to Osaka Kansai Intl Airport are updated daily.
How many operators does momondo search for flights from Idaho to Osaka Kansai Intl Airport?
As of December 2025, there is 1 operator available to choose from for flights from Idaho to Osaka Kansai Intl Airport.
How old do you have to be to fly from Idaho to Osaka Kansai Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Osaka Kansai Intl Airport.
What documentation or ID do you need to fly to Osaka Kansai Intl Airport?
The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Idaho to Osaka Kansai Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 9,102 reviews		Search United Airlines flights

Nara

Izumisano

Himeji

Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Osaka?

Finding the right flight to Osaka from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Osaka quick and easy, saving you time and money.

Can I find flights from Idaho to Osaka with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Osaka from Idaho with this policy.

How can momondo help me find flights from Idaho to Osaka?

momondo helps you find the best flight between Idaho and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Osaka right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Osaka flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.