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$334+ Cheap flights from Idaho to Asia

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BKK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Idaho to Asia

Keep the following information in mind while searching for Idaho to Asia flight deals. Data was last updated September 15, 2025.

Round-trip from

$607
(SmartFares)

One-way from

$334
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$1,051
From Idaho to Asia
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One-way flight from Idaho to Asia
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Highest demand for flights based on searches. 14% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Idaho to Asia

Cheapest flights from Idaho to Asia
Explore the most affordable flight options available from Idaho to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/187:35 amGEG - NRT
1 stop15h 25mAlaska Airlines
Thu 12/186:30 pmNRT - GEG
1 stop21h 40mAlaska Airlines
Deal found 9/14$633
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/137:30 amGEG - NRT
1 stop16h 30mAlaska Airlines
Tue 11/46:30 pmNRT - GEG
1 stop19h 44mAlaska Airlines
Deal found 9/15$656
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/281:20 pmGEG - NRT
1 stop34h 40mAlaska Airlines
Tue 11/46:30 pmNRT - GEG
1 stop19h 44mAlaska Airlines
Deal found 9/13$662
This FlightHub deal was found by Cheapflights users on 9/14. 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 9/229:52 amBOI - HND
1 stop37h 03mANA
Tue 9/303:50 pmHND - BOI
1 stop16h 08mANA
Deal found 9/14$664
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/217:45 amBOI - HND
1 stop15h 10mUnited Airlines
Sun 9/283:50 pmHND - BOI
1 stop18h 25mUnited Airlines
Deal found 9/14$665
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 9/257:30 amBOI - HND
1 stop15h 45mDelta
Mon 9/294:20 pmHND - BOI
1 stop22h 39mDelta
Deal found 9/14$666
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/225:00 amBOI - NRT
1 stop18h 55mUnited Airlines
Tue 9/305:10 pmNRT - BOI
1 stop14h 48mUnited Airlines
Deal found 9/15$666
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 9/257:05 pmBOI - HND
2 stops29h 10mUnited Airlines
Mon 9/299:05 pmHND - BOI
2 stops17h 39mUnited Airlines
Deal found 9/14$669
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 9/151:00 pmBOI - HND
2 stops34h 15mDelta
Mon 9/296:25 pmHND - BOI
2 stops20h 50mDelta
Deal found 9/15$671
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/292:44 pmBOI - NRT
2 stops32h 31mUnited Airlines
Fri 10/35:10 pmNRT - BOI
2 stops19h 14mUnited Airlines
Deal found 9/14$671
This Ovago deal was found by Cheapflights users on 9/13. 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.
Tue 10/289:22 amGEG - NRT
2 stops18h 08mKorean Air
Tue 11/49:15 amNRT - GEG
2 stops20h 20mKorean Air
Deal found 9/13$672
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/155:39 pmBOI - NRT
1 stop30h 16mUnited Airlines
Mon 9/295:10 pmNRT - BOI
1 stop17h 05mUnited Airlines
Deal found 9/15$673

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Asia 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 September 15, 2025.
Use the filters below to find and compare flights from Idaho to Asia that are best for you.

Fly from

Idaho

Fly to

Asia

Route

Depart

Return

Price

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 11/18

5:51 am-4:00 pm

1 stop17h 09m

Tokyo Narita

Thu 12/18

6:30 pm-11:10 pm

1 stop21h 40m

$633

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Tue 2/3

2:20 pm-4:50 am

1 stop22h 30m

Tokyo Haneda

Fri 2/13

4:25 pm-11:37 pm

1 stop23h 12m

$646

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 10/13

7:30 am-4:00 pm

1 stop16h 30m

Tokyo Narita

Tue 11/4

6:30 pm-9:14 pm

1 stop19h 44m

$656

BoiseTokyo

BOI - HND

BOIHND

Boise Air Term. Gowen Fld

Thu 9/25

5:00 am-3:15 pm

2 stops19h 15m

Tokyo Haneda

Sun 9/28

12:30 am-1:42 pm

2 stops28h 12m

$669

BoiseTokyo

BOI - NRT

BOINRT

Boise Air Term. Gowen Fld

Mon 9/29

2:44 pm-2:15 pm

2 stops32h 31m

Tokyo Narita

Fri 10/3

4:30 pm-9:24 pm

1 stop19h 54m

$671

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 10/28

9:22 am-7:30 pm

2 stops18h 08m

Tokyo Narita

Tue 11/4

9:15 am-12:35 pm

2 stops20h 20m

$672

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Sun 9/21

5:15 am-2:55 pm

1 stop17h 40m

Tokyo Narita

Sat 9/27

5:10 pm-11:15 pm

1 stop22h 05m

$677

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Tue 11/18

7:05 am-9:05 pm

2 stops21h 00m

Tokyo Narita

Thu 12/18

9:15 am-2:06 pm

2 stops21h 51m

$693

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Sun 11/9

6:00 am-3:55 pm

2 stops40h 55m

Tokyo Narita

Wed 11/12

5:30 pm-11:29 pm

2 stops22h 59m

$694

SpokaneTokyo

GEG - HND

GEGHND

Spokane

Tue 10/21

9:22 am-10:50 pm

2 stops21h 28m

Tokyo Haneda

Sun 10/26

2:00 am-2:57 pm

2 stops28h 57m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Asia

Have a flexible travel schedule? Discover the best time to fly to Asia 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 Asia

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Asia (average of $900). Flying from Idaho to Asia in December is currently the most expensive (average of $1,507). 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 time of day to fly from ID to AS?

Find hourly flight availability from Idaho to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Asia as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Asia. 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 Asia?

    Departing from Idaho to Asia will take you 17h 09m. The distance between Idaho and Asia is about 4937 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $334 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $358 and $384, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Asia 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 Asia?

    Currently, September is the cheapest month in which you can book a flight from Idaho to Asia (average of $900). Flying from Idaho to Asia in December is currently the most expensive (average of $1,507). 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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Alternative routes for Idaho to Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Idaho to Asia

Discover the top 10 airlines that operate flights from Idaho to Asia. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$441Average$837FlexibilityNo cancel feeOn-time71%
DeltaCheapest$630Average$1,348FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$655Average$890FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$657Average$1,239FlexibilityNo cancel feeOn-time69%
ANACheapest$723Average$1,162FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$761Average$812FlexibilityNo cancel feeOn-time75%
EVA AirCheapest$858Average$1,149FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$909Average$1,931FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$910Average$1,206FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$933Average$933FlexibilityNo cancel feeOn-time70%

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