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Cheap flights from Boise to Osaka from $408

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 4/19. 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.
United Airlines Logo
8:41 am - 4:40 pm
BOI
-
KIX
15h 59m
1 stop
United Airlines Logo
6:35 pm - 11:38 pm
KIX
-
BOI
21h 03m
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
$717United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
8:41 am - 4:40 pm
BOI
-
KIX
15h 59m
1 stop
United Airlines Logo
6:35 pm - 4:07 pm
KIX
-
BOI
13h 32m
1 stop
$762United 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
$767United Airlines
Sun, Feb 22 - Thu, Feb 26
Japan Airlines Logo
9:52 am - 8:45 am
BOI
-
KIX
31h 53m
2 stops
Japan Airlines Logo
7:35 am - 3:29 pm
KIX
-
BOI
22h 54m
2 stops
$918Japan Airlines
Mon, Mar 9 - Tue, Mar 31
Japan Airlines Logo
9:52 am - 8:45 am
BOI
-
KIX
31h 53m
2 stops
Japan Airlines Logo
7:35 am - 3:29 pm
KIX
-
BOI
22h 54m
2 stops
$1,167Japan Airlines
Mon, Mar 9 - Tue, Mar 31
Multiple Airlines Logo
7:05 pm - 4:55 pm
BOI
-
KIX
30h 50m
2 stops
Multiple Airlines Logo
1:10 pm - 11:56 pm
KIX
-
BOI
25h 46m
2 stops
$1,278Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Korean Air Logo
7:05 am - 8:45 pm
BOI
-
KIX
22h 40m
2 stops
Korean Air Logo
12:35 pm - 9:41 pm
KIX
-
BOI
24h 06m
2 stops
$1,279Korean Air
Mon, Mar 9 - Tue, Mar 31
Multiple Airlines Logo
8:28 pm - 11:55 am
BOI
-
KIX
24h 27m
2 stops
Multiple Airlines Logo
9:00 am - 9:35 pm
KIX
-
BOI
27h 35m
2 stops
$1,295Multiple Airlines
Sat, Mar 21 - Sat, Mar 28
ANA Logo
8:39 am - 6:15 pm
BOI
-
KIX
18h 36m
2 stops
ANA Logo
4:55 pm - 3:28 pm
KIX
-
BOI
13h 33m
1 stop
$1,299ANA
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
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 36m
1 stop
BOI9:11 pmBoise Air Term. Gowen Fld
$717
United Airlines
Feb 9
BOI7:45 amBoise Air Term. Gowen Fld
19h 40m
2 stops
KIX7:25 pmOsaka Kansai Intl
Feb 11
KIX6:35 pmOsaka Kansai Intl
13h 35m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$719

Japan Airlines flights from Boise to Osaka Kansai Intl Airport

Our best Japan Airlines deals on Boise to Osaka Kansai Intl Airport flight tickets
Japan Airlines
Mar 9
BOI9:52 amBoise Air Term. Gowen Fld
31h 53m
2 stops
KIX8:45 amOsaka Kansai Intl
Mar 31
KIX7:35 amOsaka Kansai Intl
22h 54m
2 stops
BOI3:29 pmBoise Air Term. Gowen Fld
$918
Japan Airlines
Mar 9
BOI9:52 amBoise Air Term. Gowen Fld
31h 53m
2 stops
KIX8:45 amOsaka Kansai Intl
Mar 31
KIX7:35 amOsaka Kansai Intl
22h 54m
2 stops
BOI3:29 pmBoise Air Term. Gowen Fld
$1,167

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 February 6, 2026.
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

Sun 2/22

8:41 am-4:40 pm

1 stop15h 59m

Osaka Kansai Intl

Thu 2/26

6:35 pm-11:38 pm

1 stop21h 03m

$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

$717

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-4:07 pm

1 stop13h 32m

$762

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

$767

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

9:52 am-8:45 am

2 stops31h 53m

Osaka Kansai Intl

Tue 3/31

7:35 am-3:29 pm

2 stops22h 54m

$918

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

9:52 am-8:45 am

2 stops31h 53m

Osaka Kansai Intl

Tue 3/31

7:35 am-3:29 pm

2 stops22h 54m

$1,167

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/23

7:05 pm-4:55 pm

2 stops30h 50m

Osaka Kansai Intl

Mon 3/30

1:10 pm-11:56 pm

2 stops25h 46m

$1,278

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

7:05 am-8:45 pm

2 stops22h 40m

Osaka Kansai Intl

Tue 3/31

12:35 pm-9:41 pm

2 stops24h 06m

$1,279

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 3/21

8:28 pm-11:55 am

2 stops24h 27m

Osaka Kansai Intl

Sat 3/28

9:00 am-9:35 pm

2 stops27h 35m

$1,295

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

8:39 am-6:15 pm

2 stops18h 36m

Osaka Kansai Intl

Tue 3/31

4:55 pm-3:28 pm

1 stop13h 33m

$1,299

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

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

You could potentially save up to 49% on your flight if you consider stops on a Boise to Osaka Kansai Intl Airport flight.

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

15h 59m

Direct flights

None
The fastest flight from Boise to Osaka Kansai Intl Airport takes 15h 59m
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 15h 59m.

  • 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
9,240 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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