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$81+ Cheap flights from Boise (BOI) to Idaho

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOI
Jan 23 — Jan 301
Fri 1/23
Fri 1/30
1 adult, Economy
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Cheap flight deals from Boise to Idaho

Cheapest flights from Boise to Idaho
Explore the most affordable flight options available from Boise to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 24, 2025.

This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:55 pmBOI - GEG
1 stop4h 55mSouthwest
Sat 1/35:55 amGEG - BOI
1 stop8h 55mSouthwest
Deal found 12/21$454
This Alaska Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/251:22 pmBOI - GEG
1 stop3h 15mAlaska Airlines
Mon 12/297:32 pmGEG - BOI
1 stop3h 25mAlaska Airlines
Deal found 12/22$466
This Southwest deal was found by Cheapflights users on 12/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:15 pmBOI - GEG
1 stop4h 35mSouthwest
Sun 12/285:05 pmGEG - BOI
1 stop7h 20mSouthwest
Deal found 12/22$483
This Alaska Airlines deal was found by Cheapflights users on 12/23. 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.
Thu 12/257:07 amBOI - GEG
Nonstop1h 13mAlaska Airlines
Sun 12/289:00 amGEG - BOI
Nonstop1h 13mAlaska Airlines
Deal found 12/23$517
This Southwest deal was found by Cheapflights users on 12/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:25 pmBOI - GEG
1 stop7h 45mSouthwest
Mon 12/296:40 amGEG - BOI
2 stops10h 05mSouthwest
Deal found 12/22$522
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/245:50 amBOI - PIH
1 stop6h 19mDelta
Sat 12/2712:50 pmPIH - BOI
1 stop4h 49mDelta
Deal found 12/21$623
This Delta deal was found by Cheapflights users on 12/22. 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 12/255:50 amBOI - LWS
1 stop6h 46mDelta
Sat 12/2712:16 pmLWS - BOI
1 stop4h 23mDelta
Deal found 12/22$1,304

Find flight deals from Boise to Idaho

Keep the following information in mind while searching for Boise to Idaho flight deals. Data was last updated December 24, 2025.

Round-trip from

$137
(Alaska Airlines)

One-way from

$81
(Trip.com)
From Boise Air Term. Gowen Fld to Idaho
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Idaho
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Idaho 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 December 24, 2025.
Use the filters below to find and compare flights from Boise to Idaho that are best for you.

Fly from

Boise

Fly to

Idaho

Route

Depart

Return

Price

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Wed 2/25

10:50 pm-11:03 pm

Nonstop1h 13m

Spokane

Sat 2/28

4:28 pm-6:42 pm

Nonstop1h 14m

$137

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 1/17

2:29 pm-2:48 pm

Nonstop1h 19m

Spokane

Tue 1/20

4:57 pm-7:10 pm

Nonstop1h 13m

$137

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 1/17

2:29 pm-2:48 pm

Nonstop1h 19m

Spokane

Mon 1/19

6:00 pm-12:51 pm

1 stop17h 51m

$142

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Tue 2/10

2:29 pm-2:48 pm

Nonstop1h 19m

Spokane

Wed 2/18

7:06 pm-11:59 pm

1 stop3h 53m

$142

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Thu 1/22

7:25 am-10:45 am

1 stop4h 20m

Spokane

Tue 1/27

5:05 am-9:57 am

1 stop3h 52m

$147

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 1/17

5:40 am-10:45 am

1 stop6h 05m

Spokane

Tue 1/20

3:40 pm-9:58 pm

1 stop5h 18m

$147

BoiseLewiston

BOI - LWS

BOILWS

Boise Air Term. Gowen Fld

Mon 2/16

7:30 am-8:52 pm

1 stop14h 22m

Lewiston Nez Perce Rgnl

Fri 2/20

12:24 pm-4:15 pm

2 stops26h 51m

$321

BoiseLewiston

BOI - LWS

BOILWS

Boise Air Term. Gowen Fld

Thu 2/19

5:15 pm-8:52 pm

1 stop4h 37m

Lewiston Nez Perce Rgnl

Fri 2/20

12:24 pm-9:50 am

2 stops20h 26m

$321

BoiseLewiston

BOI - LWS

BOILWS

Boise Air Term. Gowen Fld

Wed 2/18

1:51 pm-11:35 am

2 stops22h 44m

Lewiston Nez Perce Rgnl

Fri 2/20

12:24 pm-4:15 pm

2 stops26h 51m

$326

BoiseLewiston

BOI - LWS

BOILWS

Boise Air Term. Gowen Fld

Tue 2/17

5:15 pm-11:35 am

2 stops19h 20m

Lewiston Nez Perce Rgnl

Fri 2/20

12:24 pm-6:22 pm

2 stops28h 58m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 23 results
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Best time to book a flight from Boise to Idaho

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

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

Find hourly flight availability from Boise to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 24, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 57% on flights from Boise to Idaho by exploring options for tickets in the evening.

Related info for your journey

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

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Idaho. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • How long is the flight from Boise to Idaho?

    Airlines like Alaska Airlines and Delta fly from Boise to Idaho in about 1h 13m. The time it takes to get you to your destination can typically vary by up to 13h 09m. Airlines will cover a distance of 287 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Boise to Idaho?

    The most popular route from Boise to Idaho is Boise Air Term. Gowen Fld - Spokane. You may also consider Boise Air Term. Gowen Fld - Pocatello or Boise Air Term. Gowen Fld - Lewiston Nez Perce Rgnl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Idaho 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

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Alternative routes for Boise to Idaho

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