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Cheap flights from Boise to Osaka from $340

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 11/18. 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 Boise to Osaka (BOI-KIX)

Cheap round-trip flights

Logo
7:25 am - 6:15 pmBOI-KIX
18h 50m2 stops
Logo
2:05 pm - 7:51 pmKIX-BOI
21h 46m2 stops
$660
Find Deal
mié., ene. 28 - vie., feb. 6
United Airlines Logo
7:45 am - 2:50 pmBOI-KIX
16h 05m1 stop
United Airlines Logo
4:50 pm - 7:15 pmKIX-BOI
17h 25m1 stop
$669United Airlines
Find Deal
jue., sep. 25 - jue., oct. 2
United Airlines Logo
5:00 am - 2:50 pmBOI-KIX
18h 50m2 stops
United Airlines Logo
4:50 pm - 11:44 pmKIX-BOI
21h 54m1 stop
$674United Airlines
Find Deal
jue., sep. 25 - jue., oct. 2
United Airlines Logo
2:20 pm - 4:40 pmBOI-KIX
34h 20m1 stop
United Airlines Logo
8:20 am - 11:48 pmKIX-BOI
31h 28m2 stops
$709United Airlines
Find Deal
mié., ene. 28 - vie., feb. 6
Korean Air Logo
7:45 am - 9:00 pmBOI-KIX
22h 15m2 stops
Korean Air Logo
11:55 am - 4:06 pmKIX-BOI
19h 11m2 stops
$765Korean Air
Find Deal
mié., oct. 22 - mié., oct. 29
United Airlines Logo
7:25 am - 4:40 pmBOI-KIX
17h 15m1 stop
United Airlines Logo
6:35 pm - 9:23 pmKIX-BOI
18h 48m1 stop
$778United Airlines
Find Deal
jue., ene. 29 - lun., feb. 2
Delta Logo
5:40 am - 12:50 pmBOI-KIX
39h 10m2 stops
Delta Logo
9:00 am - 8:13 pmKIX-BOI
27h 13m2 stops
$793Delta
Find Deal
jue., ene. 29 - lun., feb. 2
Logo
8:05 am - 6:45 pmBOI-KIX
19h 40m1 stop
Logo
5:50 pm - 1:40 pmKIX-BOI
34h 50m1 stop
$821
Find Deal
mié., oct. 22 - mié., oct. 29
Qatar Airways Logo
9:42 pm - 4:25 pmBOI-KIX
50h 43m2 stops
Qatar Airways Logo
4:55 pm - 7:36 pmKIX-BOI
42h 41m3 stops
$2,943Qatar Airways
Find Deal
sáb., nov. 22 - sáb., dic. 13
Delta Logo
7:30 am - 10:45 amBOI-KIX
35h 15m2 stops
Delta Logo
6:10 pm - 1:07 pmKIX-BOI
34h 57m2 stops
$4,445Delta
Find Deal
mié., ene. 28 - vie., feb. 6

Delta flights from Boise to Osaka Kansai Intl Airport

Our best Delta deals on Boise to Osaka Kansai Intl Airport flight tickets
Delta
Jan 29
BOI5:40 amBoise Air Term. Gowen Fld
39h 10m
2 stops
KIX12:50 pmOsaka Kansai Intl
Feb 2
KIX9:00 amOsaka Kansai Intl
27h 13m
2 stops
BOI8:13 pmBoise Air Term. Gowen Fld
$793
Find similar
Delta
Jan 28
BOI7:30 amBoise Air Term. Gowen Fld
35h 15m
2 stops
KIX10:45 amOsaka Kansai Intl
Feb 6
KIX6:10 pmOsaka Kansai Intl
34h 57m
2 stops
BOI1:07 pmBoise Air Term. Gowen Fld
$4,445
Find similar

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
Sep 25
BOI7:45 amBoise Air Term. Gowen Fld
16h 05m
1 stop
KIX2:50 pmOsaka Kansai Intl
Oct 2
KIX4:50 pmOsaka Kansai Intl
17h 25m
1 stop
BOI7:15 pmBoise Air Term. Gowen Fld
$669
Find similar
United Airlines
Sep 25
BOI5:00 amBoise Air Term. Gowen Fld
18h 50m
2 stops
KIX2:50 pmOsaka Kansai Intl
Oct 2
KIX4:50 pmOsaka Kansai Intl
21h 54m
1 stop
BOI11:44 pmBoise Air Term. Gowen Fld
$674
Find similar
United Airlines
Jan 28
BOI2:20 pmBoise Air Term. Gowen Fld
34h 20m
1 stop
KIX4:40 pmOsaka Kansai Intl
Feb 6
KIX8:20 amOsaka Kansai Intl
31h 28m
2 stops
BOI11:48 pmBoise Air Term. Gowen Fld
$709
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 septiembre 9, 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

mié. 1/28

7:25 am-6:15 pm

2 stops18h 50m

Osaka Kansai Intl

vie. 2/6

2:05 pm-7:51 pm

2 stops21h 46m

$660

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

jue. 9/25

7:45 am-2:50 pm

1 stop16h 05m

Osaka Kansai Intl

jue. 10/2

4:50 pm-7:15 pm

1 stop17h 25m

$669

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

jue. 9/25

5:00 am-2:50 pm

2 stops18h 50m

Osaka Kansai Intl

jue. 10/2

4:50 pm-11:44 pm

1 stop21h 54m

$674

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 1/28

2:20 pm-4:40 pm

1 stop34h 20m

Osaka Kansai Intl

vie. 2/6

8:20 am-11:48 pm

2 stops31h 28m

$709

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 10/22

7:45 am-9:00 pm

2 stops22h 15m

Osaka Kansai Intl

mié. 10/29

11:55 am-4:06 pm

2 stops19h 11m

$765

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

jue. 1/29

7:25 am-4:40 pm

1 stop17h 15m

Osaka Kansai Intl

lun. 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$778

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

jue. 1/29

5:40 am-12:50 pm

2 stops39h 10m

Osaka Kansai Intl

lun. 2/2

9:00 am-8:13 pm

2 stops27h 13m

$793

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 10/22

8:05 am-6:45 pm

1 stop19h 40m

Osaka Kansai Intl

mié. 10/29

5:50 pm-1:40 pm

1 stop34h 50m

$821

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

sáb. 11/22

9:42 pm-4:25 pm

2 stops50h 43m

Osaka Kansai Intl

sáb. 12/13

4:55 pm-7:36 pm

3 stops42h 41m

$2,943

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

mié. 1/28

7:30 am-10:45 am

2 stops35h 15m

Osaka Kansai Intl

vie. 2/6

6:10 pm-1:07 pm

2 stops34h 57m

$4,445

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 05m.

  • 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
8,943 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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