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Cheap flights from Boise to Osaka from $390

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 1/1. 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 Boise to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
7:00 am - 8:45 pm
BOI
-
KIX
22h 45m2 stops
Korean Air Logo
6:20 pm - 4:00 pm
KIX
-
BOI
36h 40m2 stops
$690Korean Air
Mon, Mar 9 - Tue, Mar 31
United Airlines Logo
7:45 am - 4:40 pm
BOI
-
KIX
16h 55m1 stop
United Airlines Logo
6:35 pm - 4:10 pm
KIX
-
BOI
13h 35m1 stop
$711United Airlines
Fri, Jan 30 - Fri, Feb 6
United Airlines Logo
7:45 am - 4:40 pm
BOI
-
KIX
16h 55m1 stop
United Airlines Logo
8:20 am - 7:51 pm
KIX
-
BOI
27h 31m2 stops
$713United Airlines
Fri, Jan 30 - Fri, Feb 6
United Airlines Logo
5:16 pm - 4:40 pm
BOI
-
KIX
31h 24m2 stops
United Airlines Logo
11:00 pm - 9:23 pm
KIX
-
BOI
14h 23m1 stop
$716United Airlines
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
7:05 pm - 4:40 pm
BOI
-
KIX
29h 35m1 stop
United Airlines Logo
11:00 pm - 9:23 pm
KIX
-
BOI
14h 23m1 stop
$717United Airlines
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
5:16 pm - 4:40 pm
BOI
-
KIX
31h 24m2 stops
United Airlines Logo
8:20 am - 4:10 pm
KIX
-
BOI
23h 50m2 stops
$718United Airlines
Fri, Jan 30 - Tue, Feb 3
Korean Air Logo
10:35 am - 8:45 pm
BOI
-
KIX
19h 10m2 stops
Korean Air Logo
6:20 pm - 9:06 pm
KIX
-
BOI
41h 46m2 stops
$752Korean Air
Mon, Mar 9 - Tue, Mar 31
ANA Logo
8:39 am - 4:40 pm
BOI
-
KIX
17h 01m1 stop
ANA Logo
8:30 am - 4:49 pm
KIX
-
BOI
23h 19m2 stops
$831ANA
Mon, Mar 9 - Tue, Mar 31
ANA Logo
8:39 am - 4:40 pm
BOI
-
KIX
17h 01m1 stop
ANA Logo
4:55 pm - 4:49 pm
KIX
-
BOI
14h 54m1 stop
$1,032ANA
Mon, Mar 9 - Tue, Mar 31
ANA Logo
8:39 am - 4:40 pm
BOI
-
KIX
17h 01m1 stop
ANA Logo
4:55 pm - 4:49 pm
KIX
-
BOI
14h 54m1 stop
$1,158ANA
Mon, Mar 9 - Tue, Mar 31

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 30
BOI7:45 amBoise Air Term. Gowen Fld
16h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 6
KIX6:35 pmOsaka Kansai Intl
13h 35m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$711
Find similar
United Airlines
Jan 30
BOI7:45 amBoise Air Term. Gowen Fld
16h 55m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 6
KIX8:20 amOsaka Kansai Intl
27h 31m
2 stops
BOI7:51 pmBoise Air Term. Gowen Fld
$713
Find similar
United Airlines
Jan 28
BOI5:16 pmBoise Air Term. Gowen Fld
31h 24m
2 stops
KIX4:40 pmOsaka Kansai Intl
Feb 4
KIX11:00 pmOsaka Kansai Intl
14h 23m
1 stop
BOI9:23 pmBoise Air Term. Gowen Fld
$716
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
Mar 9
BOI8:39 amBoise Air Term. Gowen Fld
17h 01m
1 stop
KIX4:40 pmOsaka Kansai Intl
Mar 31
KIX8:30 amOsaka Kansai Intl
23h 19m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
$831
Find similar
ANA
Mar 9
BOI8:39 amBoise Air Term. Gowen Fld
17h 01m
1 stop
KIX4:40 pmOsaka Kansai Intl
Mar 31
KIX4:55 pmOsaka Kansai Intl
14h 54m
1 stop
BOI4:49 pmBoise Air Term. Gowen Fld
$1,032
Find similar
ANA
Mar 9
BOI8:39 amBoise Air Term. Gowen Fld
17h 01m
1 stop
KIX4:40 pmOsaka Kansai Intl
Mar 31
KIX4:55 pmOsaka Kansai Intl
14h 54m
1 stop
BOI4:49 pmBoise Air Term. Gowen Fld
$1,158
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 December 16, 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

Mon 3/9

7:00 am-8:45 pm

2 stops22h 45m

Osaka Kansai Intl

Tue 3/31

6:20 pm-4:00 pm

2 stops36h 40m

$690

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Fri 1/30

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Fri 2/6

6:35 pm-4:10 pm

1 stop13h 35m

$711

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Fri 1/30

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Fri 2/6

8:20 am-7:51 pm

2 stops27h 31m

$713

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 1/28

5:16 pm-4:40 pm

2 stops31h 24m

Osaka Kansai Intl

Wed 2/4

11:00 pm-9:23 pm

1 stop14h 23m

$716

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 1/28

7:05 pm-4:40 pm

1 stop29h 35m

Osaka Kansai Intl

Wed 2/4

11:00 pm-9:23 pm

1 stop14h 23m

$717

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Fri 1/30

5:16 pm-4:40 pm

2 stops31h 24m

Osaka Kansai Intl

Tue 2/3

8:20 am-4:10 pm

2 stops23h 50m

$718

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

10:35 am-8:45 pm

2 stops19h 10m

Osaka Kansai Intl

Tue 3/31

6:20 pm-9:06 pm

2 stops41h 46m

$752

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

8:39 am-4:40 pm

1 stop17h 01m

Osaka Kansai Intl

Tue 3/31

8:30 am-4:49 pm

2 stops23h 19m

$831

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

8:39 am-4:40 pm

1 stop17h 01m

Osaka Kansai Intl

Tue 3/31

4:55 pm-4:49 pm

1 stop14h 54m

$1,032

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

8:39 am-4:40 pm

1 stop17h 01m

Osaka Kansai Intl

Tue 3/31

4:55 pm-4:49 pm

1 stop14h 54m

$1,158

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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Boise to Osaka Kansai Intl Airport takes 16h 55m
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
9,092 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
Izumisano
Himeji
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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