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$461+ Cheap flights from Boise (BOI) 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSA
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Boise to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Osaka (OSA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$712
(United Airlines)

One-way from

$461
(Kiwi.com)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Osaka (OSA) flights.
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From Boise Air Term. Gowen Fld to Osaka (OSA)
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One-way flight from Boise Air Term. Gowen Fld to Osaka (OSA)
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Find flight deals from Boise to Osaka

Cheapest flights from Boise to Osaka
Explore the most affordable flight options available from Boise to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This FlightHub deal was found by Cheapflights users on 1/6. 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.
Thu 1/87:45 amBOI - ITM
2 stops18h 25mANA
Thu 1/221:00 pmITM - BOI
2 stops19h 10mANA
Deal found 1/6$700
This FlightHub deal was found by Cheapflights users on 1/6. 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.
Thu 1/87:45 amBOI - KIX
1 stop16h 55mANA
Thu 1/227:05 amKIX - BOI
2 stops25h 05mANA
Deal found 1/6$702
This United Airlines deal was found by Cheapflights users on 1/5. 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 1/177:45 amBOI - KIX
1 stop16h 55mUnited Airlines
Wed 1/216:35 pmKIX - BOI
1 stop18h 48mUnited Airlines
Deal found 1/5$712
This Korean Air deal was found by Cheapflights users on 1/3. 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.
Thu 1/87:25 amBOI - KIX
2 stops21h 20mKorean Air
Thu 1/2211:55 amKIX - BOI
2 stops20h 22mKorean Air
Deal found 1/3$731
This Gurufare deal was found by Cheapflights users on 1/4. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:41 amBOI - ITM
2 stops18h 14mANA
Wed 2/251:00 pmITM - BOI
2 stops19h 07mANA
Deal found 1/4$794
This FlightHub deal was found by Cheapflights users on 1/5. 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 4/149:26 amBOI - ITM
2 stops18h 29mANA
Thu 4/3010:00 amITM - BOI
2 stops21h 49mANA
Deal found 1/5$817
This oojo deal was found by Cheapflights users on 1/5. 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.
Tue 4/147:05 pmBOI - KIX
1 stop32h 40mMultiple Airlines
Thu 4/305:55 pmKIX - BOI
2 stops20h 07mMultiple Airlines
Deal found 1/5$824
This United Airlines deal was found by Cheapflights users on 1/5. 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 4/146:15 amBOI - KIX
1 stop17h 35mUnited Airlines
Thu 4/304:55 pmKIX - BOI
1 stop19h 20mUnited Airlines
Deal found 1/5$829
This oojo deal was found by Cheapflights users on 1/4. 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 2/186:28 amBOI - KIX
2 stops44h 22mMultiple Airlines
Wed 2/255:50 pmKIX - BOI
2 stops20h 50mMultiple Airlines
Deal found 1/4$832
This United Airlines deal was found by Cheapflights users on 1/6. 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 3/96:24 amBOI - KIX
1 stop19h 16mUnited Airlines
Tue 3/314:55 pmKIX - BOI
2 stops31h 59mUnited Airlines
Deal found 1/6$833
This Expedia deal was found by Cheapflights users on 1/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/88:10 amBOI - KIX
2 stops22h 10mMultiple Airlines
Thu 1/225:50 pmKIX - BOI
1 stop21h 12mMultiple Airlines
Deal found 1/3$834
This Expedia deal was found by Cheapflights users on 1/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/88:10 amBOI - ITM
2 stops20h 10mMultiple Airlines
Thu 1/222:40 pmITM - BOI
2 stops16h 30mMultiple Airlines
Deal found 1/3$835

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 January 6, 2026.
Use the filters below to find and compare flights from Boise to Osaka that are best for you.

Fly from

Boise

Fly to

Osaka

Route

Depart

Return

Price

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/17

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Wed 1/21

6:35 pm-9:23 pm

1 stop18h 48m

$712

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 1/17

7:25 am-8:45 pm

2 stops21h 20m

Osaka Kansai Intl

Wed 1/21

6:10 pm-6:28 pm

2 stops40h 18m

$731

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Wed 2/18

8:41 am-6:55 pm

2 stops18h 14m

Osaka Itami

Wed 2/25

1:00 pm-4:07 pm

2 stops19h 07m

$794

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 3/9

8:39 am-4:40 pm

1 stop17h 01m

Osaka Kansai Intl

Tue 3/31

4:55 pm-9:54 am

2 stops31h 59m

$833

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Mon 3/9

12:59 pm-6:10 pm

2 stops38h 11m

Osaka Itami

Tue 3/31

12:00 pm-8:13 pm

2 stops23h 13m

$835

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Mon 3/9

8:39 am-8:20 pm

2 stops20h 41m

Osaka Itami

Tue 3/31

10:00 am-3:28 pm

2 stops20h 28m

$851

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 1/17

6:23 am-7:55 pm

2 stops21h 32m

Osaka Itami

Wed 1/21

2:40 pm-3:10 pm

2 stops16h 30m

$987

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 3/19

8:39 am-7:10 pm

2 stops19h 31m

Osaka Itami

Sat 3/28

11:00 am-4:49 pm

2 stops20h 49m

$1,345

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 4/4

1:31 pm-8:35 am

2 stops28h 04m

Osaka Itami

Sat 4/11

7:25 am-1:03 pm

2 stops20h 38m

$1,740

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 3/19

8:07 am-7:40 am

3 stops56h 33m

Osaka Itami

Sat 3/28

8:05 pm-7:48 pm

3 stops38h 43m

$3,941

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 24 results
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Compare providers for flights from Boise to Osaka

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Osaka in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Osaka flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Osaka flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Osaka flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Osaka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Boise 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 Boise 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 Boise to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Osaka?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Osaka. You should not have trouble finding flights to Osaka from Air Term. Gowen Fld; the airport handles an average of 0 outbound flights to Osaka per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Boise airport to Osaka. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to Osaka?

    For as low as $712, United Airlines can have you in Osaka from Boise in 16h 55m. There are 5419 mi between Boise and Osaka. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Boise to Osaka round-trip?

    United Airlines, at $597, was found to be the cheapest airline from Boise to Osaka..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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

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Alternative routes for Boise to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Kansai Intl flights

Top airline flying from Boise to Osaka

Discover the top airline that operate flights from Boise 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$903FlexibilityNo cancel feeOn-time69%

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