How long is the flight from Boise to Osaka?

For as low as $800, United Airlines can have you in Osaka from Boise in 19h 30m. There are 5393 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..

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

$369 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Korean Air, with prices starting from $388 and $468, respectively.

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

Currently, February is the cheapest month in which you can book a flight from Boise to Osaka (average of $859). Flying from Boise to Osaka in June is currently the most expensive (average of $1,309). 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.

What is the cheapest day to fly from Boise to Osaka?

Travelers seeking maximum savings on their Boise to Osaka flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest time of day to fly from BOI to OSA?

When flying from Boise to Osaka, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$369+ Cheap Flights from Boise to Osaka

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Cheap flight deals from Boise to Osaka

Round-trip from	$638 (FlightHub)
One-way from	$369 (United Airlines)

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

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 September 17, 2025.

Tue 9/235:00 amBOI - KIX

2 stops18h 50mUnited Airlines

Thu 10/24:50 pmKIX - BOI

1 stop17h 25mUnited Airlines

Deal found 9/16

$662

Mon 9/227:45 amBOI - KIX

1 stop16h 05mUnited Airlines

Fri 9/264:50 pmKIX - BOI

1 stop15h 08mUnited Airlines

Deal found 9/16

$663

Fri 9/197:09 pmBOI - KIX

1 stop28h 41mUnited Airlines

Fri 9/268:25 amKIX - BOI

2 stops23h 33mUnited Airlines

Deal found 9/16

$664

Mon 9/227:45 amBOI - KIX

1 stop16h 05mMultiple Airlines

Fri 9/2611:00 amKIX - BOI

2 stops17h 43mMultiple Airlines

Deal found 9/16

$665

Wed 9/179:52 amBOI - KIX

1 stop37h 58mANA

Wed 9/2411:00 amKIX - BOI

2 stops20h 58mANA

Deal found 9/16

$667

Sun 9/217:51 amBOI - KIX

2 stops22h 09mKorean Air

Tue 9/239:05 amKIX - BOI

2 stops24h 11mKorean Air

Deal found 9/16

$668

Fri 9/195:00 amBOI - KIX

2 stops23h 30mUnited Airlines

Sun 9/284:50 pmKIX - BOI

1 stop21h 54mUnited Airlines

Deal found 9/16

$669

Sun 9/217:00 amBOI - KIX

2 stops21h 30mUnited Airlines

Fri 9/264:50 pmKIX - BOI

1 stop15h 08mUnited Airlines

Deal found 9/16

$670

Fri 9/197:00 amBOI - KIX

2 stops21h 30mUnited Airlines

Thu 9/258:25 amKIX - BOI

2 stops20h 18mUnited Airlines

Deal found 9/16

$671

Sun 9/217:00 amBOI - KIX

2 stops21h 30mMultiple Airlines

Fri 9/2611:00 amKIX - BOI

2 stops17h 43mMultiple Airlines

Deal found 9/16

$672

Mon 9/225:39 pmBOI - KIX

2 stops30h 11mUnited Airlines

Sat 10/44:50 pmKIX - BOI

2 stops20h 40mUnited Airlines

Deal found 9/16

$674

Tue 9/2311:00 amBOI - KIX

2 stops19h 00mKorean Air

Thu 10/29:05 amKIX - BOI

2 stops20h 59mKorean Air

Deal found 9/16

$676

Best flights from Boise to Osaka
Discover carefully curated flight deals from Boise to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Sat 9/277:05 pmBOI - KIX

1 stop28h 45mUnited Airlines

Sat 10/44:50 pmKIX - BOI

1 stop15h 08mUnited Airlines

Deal found 9/16

$662

Tue 11/47:45 amBOI - KIX

2 stops35h 00mKorean Air

Wed 11/122:00 pmKIX - BOI

2 stops24h 54mKorean Air

Deal found 9/16

$785

Thu 1/297:25 amBOI - ITM

2 stops19h 30mANA

Mon 2/24:50 pmITM - BOI

2 stops39h 20mANA

Deal found 9/16

$800

Sat 9/271:38 pmBOI - ITM

2 stops39h 47mAmerican Airlines

Wed 10/14:35 pmITM - BOI

2 stops59h 13mAmerican Airlines

Deal found 9/16

$828

Tue 10/2111:19 amBOI - ITM

2 stops29h 16mJapan Airlines

Tue 10/282:40 pmITM - BOI

2 stops15h 32mJapan Airlines

Deal found 9/16

$897

Sun 9/286:35 amBOI - ITM

2 stops22h 10mAlaska Airlines

Thu 10/22:40 pmITM - BOI

2 stops23h 10mAlaska Airlines

Deal found 9/16

$946

Sat 9/272:44 pmBOI - KIX

1 stop33h 06mUnited Airlines

Thu 10/24:50 pmKIX - BOI

1 stop21h 54mUnited Airlines

Deal found 9/16

$662

Sat 9/271:38 pmBOI - ITM

2 stops54h 57mAmerican Airlines

Sat 10/41:30 pmITM - BOI

2 stops23h 18mAmerican Airlines

Deal found 9/16

$830

Mon 10/207:05 pmBOI - KIX

1 stop28h 45mUnited Airlines

Tue 10/286:35 pmKIX - BOI

2 stops30h 23mUnited Airlines

Deal found 9/16

$771

Tue 10/215:00 amBOI - KIX

2 stops18h 50mUnited Airlines

Tue 10/286:35 pmKIX - BOI

2 stops30h 23mUnited Airlines

Deal found 9/16

$771

Wed 11/56:28 amBOI - ITM

2 stops21h 22mAlaska Airlines

Sat 11/82:40 pmITM - BOI

2 stops19h 22mAlaska Airlines

Deal found 9/16

$946

Thu 1/297:25 amBOI - KIX

1 stop17h 15mUnited Airlines

Mon 2/26:35 pmKIX - BOI

1 stop18h 48mUnited Airlines

Deal found 9/14

$778

Sun 9/286:35 amBOI - ITM

2 stops22h 10mAlaska Airlines

Fri 10/32:40 pmITM - BOI

2 stops16h 14mAlaska Airlines

Deal found 9/16

$946

Mon 11/36:28 amBOI - ITM

2 stops21h 22mAlaska Airlines

Sat 11/82:40 pmITM - BOI

2 stops19h 22mAlaska Airlines

Deal found 9/16

$946

Mon 11/310:05 amBOI - ITM

2 stops17h 45mAlaska Airlines

Thu 11/62:40 pmITM - BOI

2 stops25h 14mAlaska Airlines

Deal found 9/16

$946

Tue 11/410:05 amBOI - ITM

2 stops17h 45mAlaska Airlines

Fri 11/72:40 pmITM - BOI

2 stops25h 14mAlaska Airlines

Deal found 9/16

$946

Last-minute flights from Boise to Osaka
Discover last-minute flight deals from Boise to Osaka. Data last updated September 17, 2025 and is based on user searches.

Wed 9/179:52 amBOI - KIX

1 stop37h 58mANA

Wed 9/2411:00 amKIX - BOI

2 stops20h 58mANA

Deal found 9/16

$667

Wed 9/177:07 amBOI - ITM

2 stops21h 38mJapan Airlines

Wed 9/248:30 amITM - BOI

2 stops21h 30mJapan Airlines

Deal found 9/16

$768

Fri 9/197:09 pmBOI - KIX

1 stop28h 41mUnited Airlines

Fri 9/268:25 amKIX - BOI

2 stops23h 33mUnited Airlines

Deal found 9/16

$664

Fri 9/197:00 amBOI - KIX

2 stops21h 30mUnited Airlines

Mon 9/294:50 pmKIX - BOI

1 stop35h 53mUnited Airlines

Deal found 9/16

$669

Sun 9/217:51 amBOI - KIX

2 stops22h 09mKorean Air

Tue 9/239:05 amKIX - BOI

2 stops24h 11mKorean Air

Deal found 9/16

$668

Sun 9/217:00 amBOI - KIX

2 stops21h 30mUnited Airlines

Fri 9/264:50 pmKIX - BOI

1 stop15h 08mUnited Airlines

Deal found 9/16

$670

Sun 9/217:00 amBOI - KIX

2 stops21h 30mMultiple Airlines

Fri 9/2611:00 amKIX - BOI

2 stops17h 43mMultiple Airlines

Deal found 9/16

$672

Mon 9/227:45 amBOI - KIX

1 stop16h 05mUnited Airlines

Fri 9/264:50 pmKIX - BOI

1 stop15h 08mUnited Airlines

Deal found 9/16

$663

Mon 9/227:45 amBOI - KIX

1 stop16h 05mMultiple Airlines

Fri 9/2611:00 amKIX - BOI

2 stops17h 43mMultiple Airlines

Deal found 9/16

$665

Mon 9/225:39 pmBOI - KIX

2 stops30h 11mUnited Airlines

Thu 10/24:50 pmKIX - BOI

1 stop21h 54mUnited Airlines

Deal found 9/16

$674

Tue 9/235:00 amBOI - KIX

2 stops18h 50mUnited Airlines

Mon 9/294:50 pmKIX - BOI

1 stop15h 08mUnited Airlines

Deal found 9/16

$662

Tue 9/2311:00 amBOI - KIX

2 stops19h 00mKorean Air

Thu 10/29:05 amKIX - BOI

2 stops20h 59mKorean Air

Deal found 9/16

$676

One-way flights from Boise to Osaka
Search for one-way flight options from Boise to Osaka. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Mon 9/227:09 pmBOI - ITM

2 stops30h 56mUnited Airlines

Deal found 9/16

$369

Tue 11/182:31 pmBOI - KIX

2 stops35h 09mAir Canada

Deal found 9/15

$388

Tue 11/182:40 pmBOI - KIX

2 stops35h 00mMultiple Airlines

Deal found 9/16

$398

Mon 9/228:27 pmBOI - KIX

1 stop31h 18mMultiple Airlines

Deal found 9/16

$458

Sun 1/47:35 amBOI - KIX

2 stops41h 25mKorean Air

Deal found 9/15

$468

Mon 9/228:46 pmBOI - KIX

2 stops44h 39mAlaska Airlines

Deal found 9/16

$520

Tue 11/186:20 amBOI - KIX

1 stop18h 20mANA

Deal found 9/17

$530

Sun 1/47:42 amBOI - ITM

2 stops31h 58mMultiple Airlines

Deal found 9/15

$545

Sun 1/46:08 amBOI - ITM

2 stops21h 47mAlaska Airlines

Deal found 9/15

$562

Mon 9/229:26 pmBOI - ITM

3 stops55h 49mMultiple Airlines

Deal found 9/16

$574

Tue 11/188:08 amBOI - KIX

1 stop18h 42mAlaska Airlines

Deal found 9/15

$659

Sun 1/46:55 pmBOI - KIX

1 stop29h 45mUnited Airlines

Deal found 9/17

$748

Fly from

Fly to

Route

Depart

Return

Price

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/27

7:05 pm-2:50 pm

1 stop28h 45m

Osaka Kansai Intl

Sat 10/4

4:50 pm-4:58 pm

1 stop15h 08m

$662

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Sat 9/27

2:44 pm-2:50 pm

1 stop33h 06m

Osaka Kansai Intl

Thu 10/2

4:50 pm-11:44 pm

1 stop21h 54m

$662

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Mon 10/20

7:05 pm-2:50 pm

1 stop28h 45m

Osaka Kansai Intl

Tue 10/28

6:35 pm-9:58 am

2 stops30h 23m

$771

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 10/21

5:00 am-2:50 pm

2 stops18h 50m

Osaka Kansai Intl

Tue 10/28

6:35 pm-9:58 am

2 stops30h 23m

$771

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-4:40 pm

1 stop17h 15m

Osaka Kansai Intl

Mon 2/2

6:35 pm-9:23 pm

1 stop18h 48m

$778

BoiseOsaka

BOI - KIX

BOIKIX

Boise Air Term. Gowen Fld

Tue 11/4

7:45 am-10:45 am

2 stops35h 00m

Osaka Kansai Intl

Wed 11/12

2:00 pm-10:54 pm

2 stops24h 54m

$785

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Thu 1/29

7:25 am-6:55 pm

2 stops19h 30m

Osaka Itami

Mon 2/2

4:50 pm-4:10 pm

2 stops39h 20m

$800

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 9/27

1:38 pm-8:25 pm

2 stops39h 47m

Osaka Itami

Wed 10/1

4:35 pm-12:48 pm

2 stops59h 13m

$828

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Sat 9/27

1:38 pm-11:35 am

2 stops54h 57m

Osaka Itami

Sat 10/4

1:30 pm-9:48 pm

2 stops23h 18m

$830

BoiseOsaka

BOI - ITM

BOIITM

Boise Air Term. Gowen Fld

Tue 10/21

11:19 am-7:35 am

2 stops29h 16m

Osaka Itami

Tue 10/28

2:40 pm-3:12 pm

2 stops15h 32m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 27 results

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

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 $800, United Airlines can have you in Osaka from Boise in 19h 30m. There are 5393 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..
What are the cheapest airlines to fly from Boise to Osaka one-way?
$369 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Korean Air, with prices starting from $388 and $468, respectively.
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.
What is the cheapest month to book a flight from Boise to Osaka?
Currently, February is the cheapest month in which you can book a flight from Boise to Osaka (average of $859). Flying from Boise to Osaka in June is currently the most expensive (average of $1,309). 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

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Top airline flying from Boise to Osaka

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$597	Average$1,070	FlexibilityNo cancel fee	On-time69%

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$369+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Boise to Osaka

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Find flight deals from Boise to Osaka

Cheapest flights from Boise to OsakaExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Osaka that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Boise to Osaka

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?

How long is the flight from Boise to Osaka?

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

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

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

How can I find direct flights from Boise to Osaka?

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

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

Traveling to a place near Osaka?

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Alternative routes for Boise to Osaka

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Top airline flying from Boise to Osaka

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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 September 17, 2025.