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Boise

$89+ Cheap flights from Idaho to Boise (BOI)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Idaho to Boise

Keep the following information in mind while searching for Idaho to Boise flight deals. Data was last updated June 12, 2025.

Round-trip from

$147
(Alaska Airlines)

One-way from

$89
(Southwest)

Popular in

October

Cheapest in

March

Average price

$380
From Idaho to Boise Air Term. Gowen Fld
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One-way flight from Idaho to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 27% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Idaho to Boise

Cheapest flights from Idaho to Boise
Explore the most affordable flight options available from Idaho to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 8/1510:11 amGEG - BOI
Nonstop1h 09mAlaska Airlines
Tue 8/196:11 pmBOI - GEG
Nonstop1h 08mAlaska Airlines
Deal found 6/12$147
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:00 amGEG - BOI
Nonstop1h 07mHawaiian Airlines
Sun 8/172:44 pmBOI - GEG
Nonstop1h 11mHawaiian Airlines
Deal found 6/10$157
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 8/155:30 pmGEG - BOI
1 stop5h 20mDelta
Tue 8/1911:45 amBOI - GEG
1 stop6h 04mDelta
Deal found 6/12$167
This Southwest deal was found by Cheapflights users on 6/12. 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 8/153:15 pmGEG - BOI
1 stop7h 50mSouthwest
Tue 8/193:45 pmBOI - GEG
2 stops7h 20mSouthwest
Deal found 6/12$222
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/39:33 amGEG - BOI
1 stop22h 15mMultiple Airlines
Sat 7/52:29 pmBOI - GEG
2 stops19h 14mMultiple Airlines
Deal found 6/10$384
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/1112:35 pmGEG - BOI
2 stops20h 07mUnited Airlines
Fri 9/122:45 pmBOI - GEG
1 stop20h 53mUnited Airlines
Deal found 6/10$591
This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 6/295:20 pmLWS - BOI
1 stop4h 51mDelta
Tue 7/811:45 amBOI - LWS
1 stop5h 49mDelta
Deal found 6/12$1,390

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Boise 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 June 12, 2025.
Use the filters below to find and compare flights from Idaho to Boise that are best for you.

Fly from

Idaho

Fly to

Boise

Route

Depart

Return

Price

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Fri 8/15

10:11 am-12:20 pm

Nonstop1h 09m

Boise Air Term. Gowen Fld

Tue 8/19

6:11 pm-6:19 pm

Nonstop1h 08m

$147

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Fri 8/15

6:00 am-8:07 am

Nonstop1h 07m

Boise Air Term. Gowen Fld

Sun 8/17

2:44 pm-2:55 pm

Nonstop1h 11m

$157

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Fri 8/15

5:30 pm-11:50 pm

1 stop5h 20m

Boise Air Term. Gowen Fld

Tue 8/19

11:45 am-4:49 pm

1 stop6h 04m

$167

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Fri 8/15

3:15 pm-12:05 am

1 stop7h 50m

Boise Air Term. Gowen Fld

Tue 8/19

3:45 pm-10:05 pm

2 stops7h 20m

$222

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Thu 7/3

9:33 am-8:48 am

1 stop22h 15m

Boise Air Term. Gowen Fld

Sat 7/5

2:29 pm-8:43 am

2 stops19h 14m

$384

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Thu 9/11

12:35 pm-9:42 am

2 stops20h 07m

Boise Air Term. Gowen Fld

Fri 9/12

2:45 pm-10:38 am

1 stop20h 53m

$591

LewistonBoise

LWS - BOI

LWSBOI

Lewiston Nez Perce Rgnl

Sun 6/29

5:20 pm-11:11 pm

1 stop4h 51m

Boise Air Term. Gowen Fld

Tue 7/8

12:50 pm-4:34 pm

1 stop4h 44m

$1,390

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Fri 10/3

5:20 pm-11:40 pm

1 stop5h 20m

$89

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Sun 8/17

7:00 pm-9:06 pm

Nonstop1h 06m

$99

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Sun 8/17

3:46 pm-8:44 pm

1 stop27h 58m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
1
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Best time to book a flight from Idaho to Boise

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

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

Find hourly flight availability from Idaho to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Idaho to Boise by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

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

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Boise from Idaho.

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

    The cheapest airlines for a one-way flight from Idaho to Boise are Southwest ($89), Alaska Airlines ($99), and Allegiant Air ($108).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Idaho to Boise (average of $314). Flying from Idaho to Boise in June is currently the most expensive (average of $395). 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

Traveling to a place near Idaho?

Book flights to Idaho if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell

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Top airline flying from Idaho to Boise

Discover the top airline that operate flights from Idaho to Boise. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$314Average$440FlexibilityNo cancel feeOn-timeN/A

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