Osaka

$731+ Cheap flights from Idaho to Osaka (OSA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSA
May 6 — May 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Osaka with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$731
(United Airlines)
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)

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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 5/1. 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 9/147:45 amBOI - KIX
1 stop16h 05mUnited Airlines
Tue 9/304:50 pmKIX - BOI
1 stop17h 19mUnited Airlines
Deal found 5/1$731
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Sat 9/139:52 amBOI - KIX
1 stop37h 58mANA
Fri 9/264:50 pmKIX - BOI
1 stop15h 08mANA
Deal found 5/1$733
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/152:45 pmBOI - ITM
2 stops35h 20mUnited Airlines
Fri 9/2612:00 pmITM - BOI
2 stops26h 44mUnited Airlines
Deal found 5/1$738
This Korean Air deal was found by Cheapflights users on 4/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:15 amBOI - KIX
2 stops22h 45mKorean Air
Mon 10/136:20 pmKIX - BOI
2 stops39h 11mKorean Air
Deal found 4/30$750
This KAYAK deal was found by Cheapflights users on 5/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:52 amBOI - ITM
2 stops55h 13mANA
Tue 9/3011:00 amITM - BOI
2 stops20h 58mANA
Deal found 5/1$765
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/142:45 pmBOI - KIX
2 stops34h 40mAir Canada
Fri 9/266:05 pmKIX - BOI
2 stops34h 30mAir Canada
Deal found 5/1$767
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:38 amBOI - KIX
2 stops33h 42mDelta
Wed 9/2412:35 pmKIX - BOI
2 stops22h 41mDelta
Deal found 5/1$1,091
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:43 pmBOI - KIX
3 stops35h 12mCathay Pacific
Fri 10/105:45 pmKIX - BOI
2 stops33h 19mCathay Pacific
Deal found 4/30$1,363
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/15:00 amBOI - ITM
3 stops21h 05mMultiple Airlines
Fri 10/1011:00 amITM - BOI
2 stops17h 49mMultiple Airlines
Deal found 4/30$1,408
This Ovago deal was found by Cheapflights users on 5/1. 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.
Mon 9/153:05 pmBOI - KIX
2 stops29h 55mChina Airlines
Mon 9/292:00 pmKIX - BOI
2 stops39h 27mChina Airlines
Deal found 5/1$1,545
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:06 pmBOI - KIX
2 stops31h 09mEVA Air
Mon 7/286:30 pmKIX - BOI
2 stops37h 34mEVA Air
Deal found 5/1$1,694
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:10 amBOI - KIX
1 stop19h 35mMultiple Airlines
Fri 10/105:55 pmKIX - BOI
1 stop20h 04mMultiple Airlines
Deal found 4/30$1,721

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 May 1, 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

Sun 9/14

7:45 am-2:50 pm

1 stop16h 05m

Osaka Kansai Intl

Tue 9/30

4:50 pm-7:09 pm

1 stop17h 19m

$731

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/13

9:52 am-2:50 pm

1 stop37h 58m

Osaka Kansai Intl

Fri 9/26

4:50 pm-4:58 pm

1 stop15h 08m

$733

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Mon 9/15

2:45 pm-5:05 pm

2 stops35h 20m

Osaka Itami

Fri 9/26

12:00 pm-11:44 pm

2 stops26h 44m

$738

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 10/1

7:15 am-9:00 pm

2 stops22h 45m

Osaka Kansai Intl

Mon 10/13

6:20 pm-6:31 pm

2 stops39h 11m

$750

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 9/13

9:52 am-8:05 am

2 stops55h 13m

Osaka Itami

Tue 9/30

11:00 am-4:58 pm

2 stops20h 58m

$765

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 9/14

2:45 pm-4:25 pm

2 stops34h 40m

Osaka Kansai Intl

Fri 9/26

6:05 pm-1:35 pm

2 stops34h 30m

$767

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sun 9/14

10:38 am-11:20 am

2 stops33h 42m

Osaka Kansai Intl

Wed 9/24

12:35 pm-8:16 pm

2 stops22h 41m

$1,091

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Wed 10/1

12:43 pm-2:55 pm

3 stops35h 12m

Osaka Kansai Intl

Fri 10/10

5:45 pm-12:04 pm

2 stops33h 19m

$1,363

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Wed 10/1

5:00 am-5:05 pm

3 stops21h 05m

Osaka Itami

Fri 10/10

11:00 am-1:49 pm

2 stops17h 49m

$1,408

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 9/15

3:05 pm-12:00 pm

2 stops29h 55m

Osaka Kansai Intl

Mon 9/29

2:00 pm-2:27 pm

2 stops39h 27m

$1,545

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 15 results
1
2

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

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Osaka. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and China Airlines from Idaho to Osaka to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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.
  • 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.

  • What is the cheapest month to book a flight from Idaho to Osaka?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Osaka (average of $893). Flying from Idaho to Osaka in December is currently the most expensive (average of $1,336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$1,094FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.