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$608+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSA
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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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 November 17, 2025.

This FlightHub deal was found by Cheapflights users on 11/16. 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 11/256:20 amBOI - KIX
1 stop18h 20mANA
Tue 12/96:35 pmKIX - BOI
1 stop13h 28mANA
Deal found 11/16$770
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/266:20 amBOI - KIX
1 stop18h 20mUnited Airlines
Fri 12/56:35 pmKIX - BOI
1 stop21h 09mUnited Airlines
Deal found 11/16$776
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/265:00 amBOI - KIX
2 stops19h 40mUnited Airlines
Wed 12/106:35 pmKIX - BOI
2 stops31h 24mUnited Airlines
Deal found 11/16$781
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/242:40 pmBOI - KIX
1 stop34h 00mUnited Airlines
Sat 12/66:35 pmKIX - BOI
1 stop21h 09mUnited Airlines
Deal found 11/16$783
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/242:40 pmBOI - KIX
1 stop34h 00mUnited Airlines
Fri 12/56:35 pmKIX - BOI
2 stops31h 24mUnited Airlines
Deal found 11/16$787
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/246:15 amBOI - KIX
2 stops42h 25mUnited Airlines
Mon 12/86:35 pmKIX - BOI
2 stops18h 50mUnited Airlines
Deal found 11/16$794
This FlightHub deal was found by Cheapflights users on 11/16. 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.
Mon 11/246:20 amBOI - KIX
1 stop18h 20mANA
Tue 12/96:35 pmKIX - BOI
1 stop13h 28mANA
Deal found 11/16$811
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/2310:40 amBOI - KIX
1 stop38h 00mUnited Airlines
Tue 12/96:35 pmKIX - BOI
1 stop16h 39mUnited Airlines
Deal found 11/16$824
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/237:00 pmBOI - KIX
1 stop29h 40mUnited Airlines
Wed 12/106:35 pmKIX - BOI
2 stops18h 50mUnited Airlines
Deal found 11/16$828
This Delta deal was found by Cheapflights users on 11/16. 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.
Tue 11/255:20 amBOI - KIX
2 stops23h 25mDelta
Sun 12/79:00 amKIX - BOI
2 stops29h 16mDelta
Deal found 11/16$871
This oojo deal was found by Cheapflights users on 11/16. 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 11/249:59 amBOI - ITM
2 stops17h 51mJapan Airlines
Mon 12/82:40 pmITM - BOI
2 stops16h 46mJapan Airlines
Deal found 11/16$1,614
This FlightHub deal was found by Cheapflights users on 11/17. 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.
Sun 11/239:59 amBOI - ITM
2 stops18h 16mJapan Airlines
Mon 12/811:30 amITM - BOI
2 stops19h 56mJapan Airlines
Deal found 11/17$3,694

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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$705
(United Airlines)

One-way from

$608
(FlightHub)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Osaka (OSA) flights.
Search Deals
From Boise Air Term. Gowen Fld to Osaka (OSA)
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Osaka (OSA)
Search Deals

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 November 17, 2025.
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

Thu 1/29

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Mon 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$711

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Fri 1/23

7:45 am-4:40 pm

1 stop16h 55m

Osaka Kansai Intl

Tue 1/27

8:20 am-7:51 pm

2 stops27h 31m

$713

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 1/29

7:45 am-6:55 pm

2 stops19h 10m

Osaka Itami

Mon 2/2

8:20 pm-4:10 pm

2 stops35h 50m

$733

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 11/27

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Thu 12/11

6:35 pm-11:44 pm

1 stop21h 09m

$776

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 11/25

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Tue 12/9

6:35 pm-7:14 pm

1 stop16h 39m

$776

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 11/27

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Tue 12/9

6:35 pm-7:14 pm

1 stop16h 39m

$776

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 11/27

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Wed 12/10

6:35 pm-4:03 pm

1 stop13h 28m

$776

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 11/27

6:20 am-4:40 pm

1 stop18h 20m

Osaka Kansai Intl

Sat 12/6

6:35 pm-4:03 pm

1 stop13h 28m

$776

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 1/1

6:35 am-6:10 pm

2 stops19h 35m

Osaka Itami

Thu 1/8

1:00 pm-7:51 pm

2 stops22h 51m

$1,506

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Mon 11/24

9:59 am-7:50 pm

2 stops17h 51m

Osaka Itami

Mon 12/8

2:40 pm-3:26 pm

2 stops16h 46m

$1,614

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 17 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 November.
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 $711, 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
Nishinomiya

Browse thousands of different options on Cheapflights for your next trip

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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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$1,070FlexibilityNo cancel feeOn-time69%

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