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Cheap flights from Idaho to Osaka from $433

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
United Airlines Logo
8:41 am - 4:40 pm
BOI
-
KIX
15h 59m
1 stop
United Airlines Logo
6:35 pm - 9:11 pm
KIX
-
BOI
18h 36m
1 stop
$712United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
5:00 am - 4:40 pm
BOI
-
KIX
19h 40m
2 stops
United Airlines Logo
6:35 pm - 8:55 pm
KIX
-
BOI
18h 20m
2 stops
$716United Airlines
Sun, Feb 22 - Thu, Feb 26
Korean Air Logo
7:05 am - 5:05 pm
BOI
-
KIX
43h 00m
2 stops
Korean Air Logo
12:35 pm - 5:19 pm
KIX
-
BOI
19h 44m
2 stops
$834Korean Air
Mon, May 11 - Wed, May 27
Korean Air Logo
3:23 pm - 5:05 pm
BOI
-
KIX
58h 42m
2 stops
Korean Air Logo
12:35 pm - 5:19 pm
KIX
-
BOI
19h 44m
2 stops
$840Korean Air
Sun, May 10 - Thu, May 28
STARLUX Airlines Logo
6:04 pm - 12:15 pm
BOI
-
KIX
27h 11m
2 stops
STARLUX Airlines Logo
1:25 pm - 11:02 pm
KIX
-
BOI
24h 37m
2 stops
$872STARLUX Airlines
Sat, Apr 18 - Sat, Apr 25
Korean Air Logo
7:05 am - 9:00 pm
BOI
-
KIX
22h 55m
2 stops
Korean Air Logo
9:05 am - 5:19 pm
KIX
-
BOI
23h 14m
2 stops
$884Korean Air
Fri, May 15 - Wed, May 27
Korean Air Logo
3:23 pm - 5:05 pm
BOI
-
KIX
58h 42m
2 stops
Korean Air Logo
12:35 pm - 5:19 pm
KIX
-
BOI
19h 44m
2 stops
$891Korean Air
Thu, May 14 - Thu, May 28
United Airlines Logo
6:30 am - 2:50 pm
BOI
-
KIX
41h 20m
2 stops
United Airlines Logo
4:55 pm - 4:42 pm
KIX
-
BOI
14h 47m
1 stop
$985United Airlines
Thu, May 14 - Wed, May 27
United Airlines Logo
6:30 am - 2:50 pm
BOI
-
KIX
41h 20m
2 stops
United Airlines Logo
9:20 am - 11:40 pm
KIX
-
BOI
29h 20m
2 stops
$987United Airlines
Thu, May 14 - Tue, May 26
United Airlines Logo
6:30 am - 2:50 pm
BOI
-
KIX
41h 20m
2 stops
United Airlines Logo
9:20 am - 4:42 pm
KIX
-
BOI
22h 22m
2 stops
$989United Airlines
Thu, May 14 - Fri, May 29

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
Feb 22
BOI8:41 amBoise Air Term. Gowen Fld
15h 59m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 26
KIX6:35 pmOsaka Kansai Intl
21h 03m
1 stop
BOI11:38 pmBoise Air Term. Gowen Fld
$712
United Airlines
Feb 22
BOI5:00 amBoise Air Term. Gowen Fld
19h 40m
2 stops
KIX4:40 pmOsaka Kansai Intl
Feb 26
KIX6:35 pmOsaka Kansai Intl
18h 20m
2 stops
BOI8:55 pmBoise Air Term. Gowen Fld
$716
United Airlines
May 14
BOI6:30 amBoise Air Term. Gowen Fld
41h 20m
2 stops
KIX2:50 pmOsaka Kansai Intl
May 27
KIX4:55 pmOsaka Kansai Intl
14h 47m
1 stop
BOI4:42 pmBoise Air Term. Gowen Fld
$985

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
May 11
BOI7:05 amBoise Air Term. Gowen Fld
43h 00m
2 stops
KIX5:05 pmOsaka Kansai Intl
Jun 1
KIX6:20 pmOsaka Kansai Intl
37h 57m
2 stops
BOI5:17 pmBoise Air Term. Gowen Fld
$834
Korean Air
May 10
BOI3:23 pmBoise Air Term. Gowen Fld
38h 37m
2 stops
KIX9:00 pmOsaka Kansai Intl
Jun 1
KIX6:20 pmOsaka Kansai Intl
37h 57m
2 stops
BOI5:17 pmBoise Air Term. Gowen Fld
$840
Korean Air
May 15
BOI7:05 amBoise Air Term. Gowen Fld
22h 55m
2 stops
KIX9:00 pmOsaka Kansai Intl
May 28
KIX12:35 pmOsaka Kansai Intl
19h 44m
2 stops
BOI5:19 pmBoise Air Term. Gowen Fld
$884

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 February 10, 2026.
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

Sun 2/22

8:41 am-4:40 pm

1 stop15h 59m

Osaka Kansai Intl

Thu 2/26

6:35 pm-9:11 pm

1 stop18h 36m

$712

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/22

5:00 am-4:40 pm

2 stops19h 40m

Osaka Kansai Intl

Thu 2/26

6:35 pm-8:55 pm

2 stops18h 20m

$716

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 5/11

7:05 am-5:05 pm

2 stops43h 00m

Osaka Kansai Intl

Wed 5/27

12:35 pm-5:19 pm

2 stops19h 44m

$834

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 5/10

3:23 pm-5:05 pm

2 stops58h 42m

Osaka Kansai Intl

Thu 5/28

12:35 pm-5:19 pm

2 stops19h 44m

$840

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 4/18

6:04 pm-12:15 pm

2 stops27h 11m

Osaka Kansai Intl

Sat 4/25

1:25 pm-11:02 pm

2 stops24h 37m

$872

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Fri 5/15

7:05 am-9:00 pm

2 stops22h 55m

Osaka Kansai Intl

Wed 5/27

9:05 am-5:19 pm

2 stops23h 14m

$884

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/14

3:23 pm-5:05 pm

2 stops58h 42m

Osaka Kansai Intl

Thu 5/28

12:35 pm-5:19 pm

2 stops19h 44m

$891

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/14

6:30 am-2:50 pm

2 stops41h 20m

Osaka Kansai Intl

Wed 5/27

4:55 pm-4:42 pm

1 stop14h 47m

$985

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/14

6:30 am-2:50 pm

2 stops41h 20m

Osaka Kansai Intl

Tue 5/26

9:20 am-11:40 pm

2 stops29h 20m

$987

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 5/14

6:30 am-2:50 pm

2 stops41h 20m

Osaka Kansai Intl

Fri 5/29

9:20 am-4:42 pm

2 stops22h 22m

$989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Can stopping save me money on Idaho to Osaka Kansai Intl Airport flights?

You could potentially save up to 52% on your flight if you consider stops on a Idaho to Osaka Kansai Intl Airport flight.

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

15h 59m

Direct flights

None
The fastest flight from Idaho to Osaka Kansai Intl Airport takes 15h 59m
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
9,262 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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