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Cheap flights from Boise to Osaka from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Osaka departing on 12/31. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$666United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
7:45 am - 4:40 pmBOI-KIX
16h 55m1 stop
United Airlines Logo
8:20 am - 11:48 pmKIX-BOI
31h 28m2 stops
$668United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
ANA Logo
7:45 am - 2:45 pmBOI-KIX
39h 00m2 stops
ANA Logo
7:00 pm - 4:10 pmKIX-BOI
37h 10m2 stops
$691ANA
Find Deal
Thu, Jan 29 - Mon, Feb 2
ANA Logo
7:45 am - 4:40 pmBOI-KIX
16h 55m1 stop
ANA Logo
6:35 pm - 4:10 pmKIX-BOI
13h 35m1 stop
$705ANA
Find Deal
Sun, Feb 1 - Wed, Feb 4
ANA Logo
7:45 am - 10:20 pmBOI-KIX
22h 35m2 stops
ANA Logo
6:35 pm - 4:10 pmKIX-BOI
13h 35m1 stop
$706ANA
Find Deal
Sun, Feb 1 - Wed, Feb 4
Korean Air Logo
7:15 am - 8:45 pmBOI-KIX
21h 30m2 stops
Korean Air Logo
11:55 am - 1:07 pmKIX-BOI
17h 12m2 stops
$801Korean Air
Find Deal
Sun, Feb 1 - Sun, Feb 15
Multiple Airlines Logo
7:02 pm - 6:50 pmBOI-KIX
31h 48m1 stop
Multiple Airlines Logo
5:50 pm - 11:50 pmKIX-BOI
22h 00m2 stops
$811Multiple Airlines
Find Deal
Sun, Feb 1 - Sun, Feb 15
Multiple Airlines Logo
7:02 pm - 6:50 pmBOI-KIX
31h 48m1 stop
Multiple Airlines Logo
5:50 pm - 10:59 pmKIX-BOI
21h 09m1 stop
$883Multiple Airlines
Find Deal
Sun, Feb 1 - Sun, Feb 15
Qatar Airways Logo
8:10 am - 2:15 pmBOI-KIX
62h 05m3 stops
Qatar Airways Logo
5:55 pm - 10:20 pmKIX-BOI
44h 25m2 stops
$2,504Qatar Airways
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Sun, Feb 1 - Sun, Feb 15
Qatar Airways Logo
8:10 am - 2:15 pmBOI-KIX
62h 05m3 stops
Qatar Airways Logo
4:55 pm - 9:05 pmKIX-BOI
44h 10m3 stops
$2,793Qatar Airways
Find Deal
Sun, Feb 1 - Wed, Feb 4

United Airlines flights from Boise to Osaka Kansai Intl Airport

Our best United Airlines deals on Boise to Osaka Kansai Intl Airport flight tickets
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
$666
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
31h 28m
2 stops
BOI11:48 pmBoise Air Term. Gowen Fld
$668
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

ANA flights from Boise to Osaka Kansai Intl Airport

Our best ANA deals on Boise to Osaka Kansai Intl Airport flight tickets
ANA
Jan 29
BOI7:45 amBoise Air Term. Gowen Fld
39h 00m
2 stops
KIX2:45 pmOsaka Kansai Intl
Feb 2
KIX7:00 pmOsaka Kansai Intl
37h 10m
2 stops
BOI4:10 pmBoise Air Term. Gowen Fld
$691
Find similar
ANA
Feb 1
BOI7:45 amBoise Air Term. Gowen Fld
16h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 4
KIX6:35 pmOsaka Kansai Intl
13h 35m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$705
Find similar
ANA
Feb 1
BOI7:45 amBoise Air Term. Gowen Fld
22h 35m
2 stops
KIX10:20 pmOsaka Kansai Intl
Feb 4
KIX6:35 pmOsaka Kansai Intl
13h 35m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$706
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 October 28, 2025.
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

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

$666

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

8:20 am-11:48 pm

2 stops31h 28m

$668

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:45 am-2:45 pm

2 stops39h 00m

Osaka Kansai Intl

Mon 2/2

7:00 pm-4:10 pm

2 stops37h 10m

$691

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Wed 2/4

6:35 pm-4:10 pm

1 stop13h 35m

$705

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

7:45 am-10:20 pm

2 stops22h 35m

Osaka Kansai Intl

Wed 2/4

6:35 pm-4:10 pm

1 stop13h 35m

$706

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

7:15 am-8:45 pm

2 stops21h 30m

Osaka Kansai Intl

Sun 2/15

11:55 am-1:07 pm

2 stops17h 12m

$801

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

7:02 pm-6:50 pm

1 stop31h 48m

Osaka Kansai Intl

Sun 2/15

5:50 pm-11:50 pm

2 stops22h 00m

$811

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

7:02 pm-6:50 pm

1 stop31h 48m

Osaka Kansai Intl

Sun 2/15

5:50 pm-10:59 pm

1 stop21h 09m

$883

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

8:10 am-2:15 pm

3 stops62h 05m

Osaka Kansai Intl

Sun 2/15

5:55 pm-10:20 pm

2 stops44h 25m

$2,504

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 2/1

8:10 am-2:15 pm

3 stops62h 05m

Osaka Kansai Intl

Wed 2/4

4:55 pm-9:05 pm

3 stops44h 10m

$2,793

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 Boise 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 Boise 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 Boise 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.

When to book flights from Boise to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Osaka Kansai Intl Airport (BOI to KIX) flight deals and tips

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

Direct flights

None
There are no direct flights from Boise to Osaka Kansai Intl Airport. There are no popular flight routes from Boise to Osaka Kansai Intl Airport.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Osaka Kansai Intl by plane?

    There are 5417.9 mi between Boise Air Term. Gowen Fld and Osaka Kansai Intl. By plane, this route typically takes 16h 55m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Osaka Kansai Intl Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Osaka Kansai Intl Airport were last updated today.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Osaka Kansai Intl Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Osaka Kansai Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Osaka Kansai Intl Airport.

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

    The travel and health documents required for your trip to Osaka Kansai Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Kansai Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boise to Osaka Kansai Intl Airport?

Best airlines flying from Boise to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Boise to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $597Free CancellationRating
7.4
9,001 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 Boise to Osaka?

Finding the right flight to Osaka from Boise 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 Boise to Osaka with flexible booking policies on momondo?

momondo does allow users to show only those flights to Osaka from Boise which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to Osaka.

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

If you are not ready to book a flight from Boise to Osaka now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Osaka and let you know when they change.

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