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Cheap flights from Idaho to Osaka from $358

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Osaka departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
6:20 am - 4:40 pmBOI-KIX
18h 20m1 stop
ANA Logo
6:35 pm - 4:03 pmKIX-BOI
13h 28m1 stop
$705ANA
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Tue, Nov 18 - Thu, Dec 4
United Airlines Logo
6:20 am - 4:40 pmBOI-KIX
18h 20m1 stop
United Airlines Logo
6:35 pm - 7:14 pmKIX-BOI
16h 39m1 stop
$711United Airlines
Find Deal
Mon, Nov 17 - Fri, Dec 5
United Airlines Logo
7:45 am - 4:40 pmBOI-KIX
16h 55m1 stop
United Airlines Logo
6:35 pm - 9:23 pmKIX-BOI
18h 48m1 stop
$712United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
American Airlines Logo
6:55 am - 6:45 pmBOI-KIX
20h 50m2 stops
American Airlines Logo
5:55 pm - 11:33 pmKIX-BOI
20h 38m2 stops
$835American Airlines
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Mon, Apr 20 - Sun, May 3
Multiple Airlines Logo
7:30 am - 6:45 pmBOI-KIX
20h 15m1 stop
Multiple Airlines Logo
5:55 pm - 12:08 pmKIX-BOI
33h 13m1 stop
$845Multiple Airlines
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Mon, Apr 20 - Sun, May 3
Delta Logo
6:00 am - 12:50 pmBOI-KIX
38h 50m2 stops
Delta Logo
6:10 pm - 10:16 pmKIX-BOI
44h 06m2 stops
$871Delta
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Mon, Nov 17 - Wed, Dec 3
Korean Air Logo
7:45 am - 8:45 pmBOI-KIX
21h 00m2 stops
Korean Air Logo
11:55 am - 10:05 pmKIX-BOI
26h 10m2 stops
$877Korean Air
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Tue, Nov 18 - Thu, Dec 4
Multiple Airlines Logo
9:00 am - 6:45 pmBOI-KIX
18h 45m2 stops
Multiple Airlines Logo
5:55 pm - 12:08 pmKIX-BOI
33h 13m1 stop
$956Multiple Airlines
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Mon, Apr 20 - Sun, May 3
Korean Air Logo
9:00 am - 8:45 pmBOI-KIX
19h 45m2 stops
Korean Air Logo
6:10 pm - 3:13 pmKIX-BOI
37h 03m2 stops
$1,029Korean Air
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Tue, Nov 18 - Tue, Dec 2
Delta Logo
4:45 pm - 8:45 pmBOI-KIX
36h 00m2 stops
Delta Logo
2:00 pm - 10:11 pmKIX-BOI
24h 11m2 stops
$1,477Delta
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Thu, Nov 20 - Fri, Dec 5

ANA flights from Idaho to Osaka Kansai Intl Airport

Our best ANA deals on Idaho to Osaka Kansai Intl Airport flight tickets
ANA
Nov 18
BOI6:20 amBoise Air Term. Gowen Fld
18h 20m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 4
KIX6:35 pmOsaka Kansai Intl
13h 28m
1 stop
BOI4:03 pmBoise Air Term. Gowen Fld
$705
Find similar
ANA
Apr 20
BOI8:20 amBoise Air Term. Gowen Fld
15h 30m
1 stop
KIX2:50 pmOsaka Kansai Intl
May 3
KIX11:00 amOsaka Kansai Intl
20h 49m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
$957
Find similar
ANA
Nov 18
BOI6:20 amBoise Air Term. Gowen Fld
18h 20m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 3
KIX6:35 pmOsaka Kansai Intl
13h 28m
1 stop
BOI4:03 pmBoise Air Term. Gowen Fld
$973
Find similar

United Airlines flights from Idaho to Osaka Kansai Intl Airport

Our best United Airlines deals on Idaho to Osaka Kansai Intl Airport flight tickets
United Airlines
Nov 17
BOI6:20 amBoise Air Term. Gowen Fld
18h 20m
1 stop
KIX4:40 pmOsaka Kansai Intl
Dec 5
KIX6:35 pmOsaka Kansai Intl
16h 39m
1 stop
BOI7:14 pmBoise Air Term. Gowen Fld
$711
Find similar
United Airlines
Jan 29
BOI7:45 amBoise Air Term. Gowen Fld
16h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 2
KIX6:35 pmOsaka Kansai Intl
18h 48m
1 stop
BOI9:23 pmBoise Air Term. Gowen Fld
$712
Find similar
United Airlines
Jan 29
BOI7:45 amBoise Air Term. Gowen Fld
16h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 2
KIX8:20 amOsaka Kansai Intl
27h 31m
2 stops
BOI7:51 pmBoise Air Term. Gowen Fld
$713
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Osaka Kansai Intl Airport 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
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 11/18

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Thu 12/4

6:35 pm-4:03 pm

1 stop13h 28m

$705

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 11/17

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Fri 12/5

6:35 pm-7:14 pm

1 stop16h 39m

$711

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Mon 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$712

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 4/20

6:55 am-6:45 pm

2 stops20h 50m

Osaka Kansai Intl

Sun 5/3

5:55 pm-11:33 pm

2 stops20h 38m

$835

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 4/20

7:30 am-6:45 pm

1 stop20h 15m

Osaka Kansai Intl

Sun 5/3

5:55 pm-12:08 pm

1 stop33h 13m

$845

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 11/17

6:00 am-12:50 pm

2 stops38h 50m

Osaka Kansai Intl

Wed 12/3

6:10 pm-10:16 pm

2 stops44h 06m

$871

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 11/18

7:45 am-8:45 pm

2 stops21h 00m

Osaka Kansai Intl

Thu 12/4

11:55 am-10:05 pm

2 stops26h 10m

$877

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 4/20

9:00 am-6:45 pm

2 stops18h 45m

Osaka Kansai Intl

Sun 5/3

5:55 pm-12:08 pm

1 stop33h 13m

$956

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 11/18

9:00 am-8:45 pm

2 stops19h 45m

Osaka Kansai Intl

Tue 12/2

6:10 pm-3:13 pm

2 stops37h 03m

$1,029

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 11/20

4:45 pm-8:45 pm

2 stops36h 00m

Osaka Kansai Intl

Fri 12/5

2:00 pm-10:11 pm

2 stops24h 11m

$1,477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Osaka from

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

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

Direct flights

None
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?

  • 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 AirlinesPriceFrom $597Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Himeji
Izumisano
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.

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