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Cheap flights from Boise to Osaka from $618

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 12/7. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Boise to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:00 am - 4:25 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
44h 25m2 stops Denver Intl Vancouver Intl
Air Canada Logo
6:00 pm - 3:31 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
36h 31m2 stops Vancouver Intl San Francisco
$896Air Canada
Tue, Sep 1 - Tue, Sep 15
United Airlines Logo
6:20 am - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
18h 25m1 stop San Francisco
United Airlines Logo
8:20 am - 4:49 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
24h 29m2 stops Tokyo Haneda San Francisco
$1,115United Airlines
Tue, Jan 12 - Thu, Jan 28
United Airlines Logo
6:20 am - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
18h 25m1 stop San Francisco
United Airlines Logo
8:20 am - 4:49 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
24h 29m2 stops Tokyo Haneda San Francisco
$1,116United Airlines
Tue, Jan 12 - Thu, Jan 28
United Airlines Logo
8:20 am - 7:25 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
19h 05m2 stops San Francisco Tokyo Haneda
United Airlines Logo
8:20 am - 4:49 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
24h 29m2 stops Tokyo Haneda San Francisco
$1,122United Airlines
Tue, Jan 12 - Thu, Jan 28
United Airlines Logo
8:15 am - 2:50 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
15h 35m1 stop San Francisco
United Airlines Logo
4:55 pm - 7:24 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
17h 29m1 stop San Francisco
$1,132United Airlines
Sun, Aug 30 - Thu, Sep 3
United Airlines Logo
5:44 pm - 2:50 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
30h 06m2 stops Denver Intl San Francisco
United Airlines Logo
4:55 pm - 7:24 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
17h 29m1 stop San Francisco
$1,137United Airlines
Sun, Aug 30 - Thu, Sep 3
Multiple Airlines Logo
6:47 pm - 6:05 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
32h 18m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
9:05 am - 9:20 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
27h 15m2 stops Hong Kong Intl San Francisco
$1,172Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
10:14 am - 12:00 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
34h 46m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 10:27 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
48h 17m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,179Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
10:14 am - 12:00 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
34h 46m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 10:27 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
48h 17m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,180Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
10:14 am - 2:50 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
37h 36m3 stops San Francisco Hong Kong Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
9:05 am - 9:20 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
27h 15m2 stops Hong Kong Intl San Francisco
$1,188Multiple Airlines
Tue, Sep 29 - Tue, Oct 6

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ANA flights from Boise to Osaka Kansai Intl Airport

Our best ANA deals on Boise to Osaka Kansai Intl Airport flight tickets
ANA
Sep 1
BOI8:15 amBoise Air Term. Gowen Fld
15h 35m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 15
KIX4:55 pmOsaka Kansai Intl
13h 36m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$1,227
ANA
Sep 1
BOI8:15 amBoise Air Term. Gowen Fld
15h 35m
1 stop
KIX2:50 pmOsaka Kansai Intl
Sep 8
KIX4:55 pmOsaka Kansai Intl
13h 36m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$1,230

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 12
BOI6:20 amBoise Air Term. Gowen Fld
18h 25m
1 stop
KIX4:45 pmOsaka Kansai Intl
Jan 28
KIX8:20 amOsaka Kansai Intl
24h 29m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
$1,115
United Airlines
Jan 12
BOI6:20 amBoise Air Term. Gowen Fld
18h 25m
1 stop
KIX4:45 pmOsaka Kansai Intl
Jan 28
KIX8:20 amOsaka Kansai Intl
24h 29m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
$1,116
United Airlines
Jan 12
BOI8:20 amBoise Air Term. Gowen Fld
19h 05m
2 stops
KIX7:25 pmOsaka Kansai Intl
Jan 28
KIX8:20 amOsaka Kansai Intl
24h 29m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
$1,122

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 August 15, 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

Cheapest round-trip

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-4:25 pm

2 stops44h 25m

Osaka Kansai Intl

Tue 9/15

6:00 pm-3:31 pm

2 stops36h 31m

$896

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

6:20 am-4:45 pm

1 stop18h 25m

Osaka Kansai Intl

Thu 1/28

8:20 am-4:49 pm

2 stops24h 29m

$1,115

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

6:20 am-4:45 pm

1 stop18h 25m

Osaka Kansai Intl

Thu 1/28

8:20 am-4:49 pm

2 stops24h 29m

$1,116

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 1/12

8:20 am-7:25 pm

2 stops19h 05m

Osaka Kansai Intl

Thu 1/28

8:20 am-4:49 pm

2 stops24h 29m

$1,122
Quickest round-trip

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Sun 8/30

8:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Thu 9/3

4:55 pm-7:24 pm

1 stop17h 29m

$1,132

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Sun 8/30

5:44 pm-2:50 pm

2 stops30h 06m

Osaka Kansai Intl

Thu 9/3

4:55 pm-7:24 pm

1 stop17h 29m

$1,137

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/29

6:47 pm-6:05 pm

2 stops32h 18m

Osaka Kansai Intl

Tue 10/6

9:05 am-9:20 pm

2 stops27h 15m

$1,172

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

10:14 am-12:00 pm

2 stops34h 46m

Osaka Kansai Intl

Tue 9/8

1:10 pm-10:27 pm

2 stops48h 17m

$1,179

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/1

10:14 am-12:00 pm

2 stops34h 46m

Osaka Kansai Intl

Tue 9/8

1:10 pm-10:27 pm

2 stops48h 17m

$1,180

BoiseOsaka

BOI Boise Air Term. Gowen Fld - KIX Osaka Kansai Intl

BOIKIX

Boise Air Term. Gowen Fld

Tue 9/29

10:14 am-2:50 pm

3 stops37h 36m

Osaka Kansai Intl

Tue 10/6

9:05 am-9:20 pm

2 stops27h 15m

$1,188

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 airline that flies from Boise Air Term. Gowen Fld to Osaka Kansai Intl?

China Airlines, United Airlines, and Delta are the most popular carriers operating from Boise Air Term. Gowen Fld to Osaka Kansai Intl

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

18h 25m

Direct flights

None
The fastest flight from Boise to Osaka Kansai Intl Airport takes 18h 25m
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

Frequently asked questions about flying from Boise to Osaka Kansai Intl Airport

  • 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 18h 25m.

  • 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 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.

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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