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Cheap flights from Idaho to Osaka from $412

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 10/4. 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

ANA Logo
9:52 am - 2:50 pmBOI-KIX
37h 58m1 stop
ANA Logo
11:00 am - 4:58 pmKIX-BOI
20h 58m2 stops
$667ANA
Find Deal
mié., sep. 17 - mié., sep. 24
United Airlines Logo
7:45 am - 2:50 pmBOI-KIX
16h 05m1 stop
United Airlines Logo
4:50 pm - 11:34 pmKIX-BOI
21h 44m1 stop
$669United Airlines
Find Deal
mié., sep. 17 - mié., sep. 24
United Airlines Logo
5:00 am - 2:50 pmBOI-KIX
18h 50m2 stops
United Airlines Logo
4:50 pm - 9:54 pmKIX-BOI
20h 04m2 stops
$674United Airlines
Find Deal
mié., sep. 17 - mié., sep. 24
United Airlines Logo
6:48 am - 4:40 pmBOI-KIX
17h 52m1 stop
United Airlines Logo
6:35 pm - 7:41 pmKIX-BOI
17h 06m1 stop
$778United Airlines
Find Deal
jue., ene. 29 - lun., feb. 2
United Airlines Logo
6:48 am - 4:40 pmBOI-KIX
17h 52m1 stop
United Airlines Logo
8:25 am - 10:22 pmKIX-BOI
29h 57m2 stops
$781United Airlines
Find Deal
jue., ene. 29 - lun., feb. 2
Logo
8:27 pm - 2:55 pmBOI-KIX
27h 28m3 stops
Logo
9:10 am - 7:50 pmKIX-BOI
25h 40m2 stops
$983
Find Deal
mié., sep. 17 - mié., sep. 24
Logo
3:45 pm - 12:50 pmBOI-KIX
29h 05m2 stops
Logo
2:00 pm - 10:59 pmKIX-BOI
24h 59m2 stops
$1,074
Find Deal
sáb., ene. 3 - mar., ene. 13
Cathay Pacific Logo
3:37 pm - 12:45 pmBOI-KIX
30h 08m2 stops
Cathay Pacific Logo
4:05 pm - 10:08 pmKIX-BOI
46h 03m3 stops
$1,424Cathay Pacific
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sáb., oct. 25 - dom., nov. 9
EVA Air Logo
3:37 pm - 4:55 pmBOI-KIX
34h 18m2 stops
EVA Air Logo
6:10 pm - 10:08 pmKIX-BOI
43h 58m2 stops
$1,935EVA Air
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sáb., oct. 25 - dom., nov. 9
Cathay Pacific Logo
3:37 pm - 12:45 pmBOI-KIX
30h 08m2 stops
Cathay Pacific Logo
4:05 pm - 10:08 pmKIX-BOI
46h 03m3 stops
$2,713Cathay Pacific
Find Deal
sáb., oct. 25 - dom., nov. 9

Cathay Pacific flights from Idaho to Osaka Kansai Intl Airport

Our best Cathay Pacific deals on Idaho to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Oct 25
BOI3:37 pmBoise Air Term. Gowen Fld
30h 08m
2 stops
KIX12:45 pmOsaka Kansai Intl
Nov 9
KIX4:05 pmOsaka Kansai Intl
46h 03m
3 stops
BOI10:08 pmBoise Air Term. Gowen Fld
$1,424
Find similar
Cathay Pacific
Oct 25
BOI3:37 pmBoise Air Term. Gowen Fld
30h 08m
2 stops
KIX12:45 pmOsaka Kansai Intl
Nov 9
KIX4:05 pmOsaka Kansai Intl
46h 03m
3 stops
BOI10:08 pmBoise Air Term. Gowen Fld
$2,713
Find similar
Cathay Pacific
Oct 25
BOI8:26 pmBoise Air Term. Gowen Fld
27h 29m
3 stops
KIX2:55 pmOsaka Kansai Intl
Nov 9
KIX4:05 pmOsaka Kansai Intl
46h 03m
3 stops
BOI10:08 pmBoise Air Term. Gowen Fld
$3,390
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
Sep 17
BOI7:45 amBoise Air Term. Gowen Fld
16h 05m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 24
KIX4:50 pmOsaka Kansai Intl
21h 44m
1 stop
BOI11:34 pmBoise Air Term. Gowen Fld
$669
Find similar
United Airlines
Sep 17
BOI5:00 amBoise Air Term. Gowen Fld
18h 50m
2 stops
KIX2:50 pmOsaka Kansai Intl
Sep 24
KIX4:50 pmOsaka Kansai Intl
20h 04m
2 stops
BOI9:54 pmBoise Air Term. Gowen Fld
$674
Find similar
United Airlines
Jan 29
BOI6:48 amBoise Air Term. Gowen Fld
17h 52m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 2
KIX6:35 pmOsaka Kansai Intl
17h 06m
1 stop
BOI7:41 pmBoise Air Term. Gowen Fld
$778
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 agosto 21, 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

mié. 9/17

9:52 am-2:50 pm

1 stop37h 58m

Osaka Kansai Intl

mié. 9/24

11:00 am-4:58 pm

2 stops20h 58m

$667

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 9/17

7:45 am-2:50 pm

1 stop16h 05m

Osaka Kansai Intl

mié. 9/24

4:50 pm-11:34 pm

1 stop21h 44m

$669

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 9/17

5:00 am-2:50 pm

2 stops18h 50m

Osaka Kansai Intl

mié. 9/24

4:50 pm-9:54 pm

2 stops20h 04m

$674

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

jue. 1/29

6:48 am-4:40 pm

1 stop17h 52m

Osaka Kansai Intl

lun. 2/2

6:35 pm-7:41 pm

1 stop17h 06m

$778

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

jue. 1/29

6:48 am-4:40 pm

1 stop17h 52m

Osaka Kansai Intl

lun. 2/2

8:25 am-10:22 pm

2 stops29h 57m

$781

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 9/17

8:27 pm-2:55 pm

3 stops27h 28m

Osaka Kansai Intl

mié. 9/24

9:10 am-7:50 pm

2 stops25h 40m

$983

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

sáb. 1/3

3:45 pm-12:50 pm

2 stops29h 05m

Osaka Kansai Intl

mar. 1/13

2:00 pm-10:59 pm

2 stops24h 59m

$1,074

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

sáb. 10/25

3:37 pm-12:45 pm

2 stops30h 08m

Osaka Kansai Intl

dom. 11/9

4:05 pm-10:08 pm

3 stops46h 03m

$1,424

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

sáb. 10/25

3:37 pm-4:55 pm

2 stops34h 18m

Osaka Kansai Intl

dom. 11/9

6:10 pm-10:08 pm

2 stops43h 58m

$1,935

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

sáb. 10/25

3:37 pm-12:45 pm

2 stops30h 08m

Osaka Kansai Intl

dom. 11/9

4:05 pm-10:08 pm

3 stops46h 03m

$2,713

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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.
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  • 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
8,930 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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