Osaka

$359+ Cheap flights from Idaho to Osaka (OSA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSA
Nov 29 — Dec 61
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Cheap flight deals from Idaho to Osaka

Keep the following information in mind while searching for Idaho to Osaka flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$705
(FlightHub)

One-way from

$359
(FlightHub)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Osaka (OSA) flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Osaka (OSA) flights.
From Idaho to Osaka (OSA)
One-way flight from Idaho to Osaka (OSA)

Find flight deals from Idaho to Osaka

Cheapest flights from Idaho to Osaka
Explore the most affordable flight options available from Idaho to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:35 amBOI - KIX
1 stop18h 05mANA
Fri 12/126:35 pmKIX - BOI
1 stop13h 28mANA
Deal found 10/29$705
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:35 amBOI - KIX
1 stop18h 05mUnited Airlines
Fri 12/126:35 pmKIX - BOI
1 stop21h 09mUnited Airlines
Deal found 10/29$711
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:25 pmBOI - KIX
2 stops31h 15mUnited Airlines
Fri 12/126:35 pmKIX - BOI
1 stop16h 39mUnited Airlines
Deal found 10/29$716
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:35 amBOI - KIX
2 stops20h 50mUnited Airlines
Fri 12/126:35 pmKIX - BOI
2 stops19h 51mUnited Airlines
Deal found 10/29$900
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:55 amBOI - ITM
2 stops19h 00mAlaska Airlines
Fri 12/122:40 pmITM - BOI
2 stops16h 46mAlaska Airlines
Deal found 10/29$1,025
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:00 amBOI - ITM
2 stops17h 55mJapan Airlines
Fri 12/122:40 pmITM - BOI
2 stops16h 46mJapan Airlines
Deal found 10/29$1,079
This Ovago deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:00 amBOI - ITM
2 stops20h 55mJapan Airlines
Fri 12/122:40 pmITM - BOI
2 stops16h 46mJapan Airlines
Deal found 10/29$1,106
This Ovago deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:35 amBOI - KIX
1 stop18h 05mANA
Fri 12/126:35 pmKIX - BOI
1 stop13h 28mANA
Deal found 10/29$1,171
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:35 amBOI - KIX
1 stop18h 05mUnited Airlines
Fri 12/126:35 pmKIX - BOI
2 stops19h 51mUnited Airlines
Deal found 10/29$1,212
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:50 pmBOI - KIX
2 stops37h 35mUnited Airlines
Sat 12/206:35 pmKIX - BOI
1 stop18h 55mUnited Airlines
Deal found 10/29$1,365
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:50 pmBOI - KIX
2 stops58h 50mUnited Airlines
Fri 12/196:35 pmKIX - BOI
1 stop18h 55mUnited Airlines
Deal found 10/28$1,372
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:35 amBOI - ITM
3 stops20h 35mMultiple Airlines
Fri 12/1212:00 pmITM - BOI
2 stops20h 03mMultiple Airlines
Deal found 10/29$1,395

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Osaka 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Idaho to Osaka that are best for you.

Fly from

Idaho

Fly to

Osaka

Route

Depart

Return

Price

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 12/9

6:35 am-4:40 pm

1 stop18h 05m

Osaka Kansai Intl

Fri 12/12

6:35 pm-4:03 pm

1 stop13h 28m

$705

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 12/8

6:35 am-4:40 pm

1 stop18h 05m

Osaka Kansai Intl

Fri 12/12

6:35 pm-11:44 pm

1 stop21h 09m

$711

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-11:48 pm

1 stop21h 13m

$711

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 12/7

5:25 pm-4:40 pm

2 stops31h 15m

Osaka Kansai Intl

Fri 12/12

6:35 pm-10:26 pm

2 stops19h 51m

$716

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 1/29

10:15 am-6:10 pm

2 stops39h 55m

Osaka Itami

Mon 2/2

1:00 pm-9:23 pm

2 stops24h 23m

$717

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sun 12/7

8:55 am-7:55 pm

2 stops19h 00m

Osaka Itami

Fri 12/12

2:40 pm-3:26 pm

2 stops16h 46m

$1,025

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Mon 12/8

8:55 am-7:55 pm

2 stops19h 00m

Osaka Itami

Fri 12/12

2:40 pm-3:26 pm

2 stops16h 46m

$1,025

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Wed 12/10

7:00 am-7:55 pm

2 stops20h 55m

Osaka Itami

Fri 12/12

2:40 pm-3:26 pm

2 stops16h 46m

$1,106

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Wed 12/10

6:35 am-7:10 pm

3 stops20h 35m

Osaka Itami

Fri 12/12

12:00 pm-4:03 pm

2 stops20h 03m

$1,395

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 12/13

7:11 pm-6:10 pm

2 stops30h 59m

Osaka Itami

Sat 12/20

1:00 pm-4:08 pm

2 stops19h 08m

$1,506

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 34 results
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Best time to book a flight from Idaho to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Osaka
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Idaho to Osaka?

    For as low as $705, ANA can have you in Osaka from Idaho in 18h 05m. The distance between Idaho and Osaka is about 5419 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to Osaka one-way?

    The cheapest airlines for a one-way flight from Idaho to Osaka are ANA ($359), United Airlines ($369), and Japan Airlines ($466).

  • Can I find deals for flights from Idaho to Osaka that include hotel bookings?

    Yes. In addition to deals on Idaho to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Osaka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Osaka.

  • Can I find deals for business class flights from Idaho to Osaka?

    Yes. Cheapflights offers flight deals from Idaho to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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Alternative routes for Idaho to Osaka

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho to Osaka

Discover the top airline that operate flights from Idaho to Osaka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$1,070FlexibilityNo cancel feeOn-time69%

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