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$69+ Cheap flights from Washington 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Washington to Boise

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

Round-trip from

$147
(Alaska Airlines)

One-way from

$69
(Delta)

Popular in

December

Cheapest in

January

Average price

$237

Good round-trip deal

$196 or less

Good one-way deal

$98 or less
From Washington to Boise Air Term. Gowen Fld
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One-way flight from Washington to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 12% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Washington to Boise Air Term. Gowen Fld.
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Find flight deals from Washington to Boise

Cheapest flights from Washington to Boise
Explore the most affordable flight options available from Washington 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 Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:40 pmPDX - BOI
Nonstop1h 14mAlaska Airlines
Sat 8/236:00 amBOI - PDX
Nonstop1h 20mAlaska Airlines
Deal found 6/10$147
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 8/2011:30 amSEA - BOI
1 stop6h 07mHawaiian Airlines
Wed 10/226:59 pmBOI - SEA
1 stop4h 05mHawaiian Airlines
Deal found 6/9$156
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 6/9. 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 8/228:30 amSEA - BOI
Nonstop1h 34mDelta
Fri 10/245:00 pmBOI - SEA
Nonstop1h 46mDelta
Deal found 6/9$157
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/108:03 amSEA - BOI
Nonstop1h 32mAlaska Airlines
Wed 9/102:19 pmBOI - SEA
1 stop5h 39mAlaska Airlines
Deal found 6/11$161
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 11/127:00 amPDX - BOI
1 stop4h 20mSouthwest
Wed 11/121:25 pmBOI - PDX
2 stops7h 30mSouthwest
Deal found 6/11$162
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 6/9. 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.
Wed 8/205:25 pmSEA - BOI
1 stop4h 55mSouthwest
Wed 10/226:20 amBOI - SEA
2 stops10h 45mSouthwest
Deal found 6/9$168
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/99:47 amPDX - BOI
1 stop5h 53mUnited Airlines
Wed 7/167:15 pmBOI - PDX
1 stop6h 20mUnited Airlines
Deal found 6/11$183
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:05 pmPDX - BOI
1 stop3h 54mDelta
Sat 8/235:45 amBOI - PDX
1 stop3h 30mDelta
Deal found 6/10$185
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:36 pmPDX - BOI
Nonstop1h 23mHawaiian Airlines
Sat 11/82:30 pmBOI - PDX
1 stop3h 11mHawaiian Airlines
Deal found 6/12$187

Cheapflights Fare Finder

Customize your flight search to find flights from Washington 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 Washington to Boise that are best for you.

Fly from

Washington

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

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 8/19

9:40 pm-11:54 pm

Nonstop1h 14m

Boise Air Term. Gowen Fld

Sat 8/23

6:00 am-6:20 am

Nonstop1h 20m

$147

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 8/20

11:30 am-6:37 pm

1 stop6h 07m

Boise Air Term. Gowen Fld

Wed 10/22

6:59 pm-10:04 pm

1 stop4h 05m

$156

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 8/22

7:46 pm-10:23 pm

Nonstop1h 37m

Boise Air Term. Gowen Fld

Mon 10/20

7:30 pm-8:20 pm

Nonstop1h 50m

$157

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

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 9/10

8:03 am-10:35 am

Nonstop1h 32m

Boise Air Term. Gowen Fld

Wed 9/10

2:19 pm-6:58 pm

1 stop5h 39m

$161

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 11/12

7:00 am-12:20 pm

1 stop4h 20m

Boise Air Term. Gowen Fld

Wed 11/12

1:25 pm-7:55 pm

2 stops7h 30m

$162

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

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 8/20

5:25 pm-11:20 pm

1 stop4h 55m

Boise Air Term. Gowen Fld

Wed 10/22

6:20 am-4:05 pm

2 stops10h 45m

$168

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 7/9

9:47 am-4:40 pm

1 stop5h 53m

Boise Air Term. Gowen Fld

Wed 7/16

7:15 pm-12:35 am

1 stop6h 20m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 46 results
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Best time to book a flight from Washington to Boise

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

What is the cheapest month to book a flight from State of Washington to Boise?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Boise (average of $314). Flying from State of Washington 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.

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

Find hourly flight availability from Washington 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.

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

Weekly flight availability from State of Washington to Boise

Explore weekly flight availability from Washington to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from USWA to BOI are scheduled on a Thursday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

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.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Washington to Boise have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Washington 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 Washington?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Washington to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How popular is this State of Washington to Boise flight route?

    This flight path from Washington to Boise Air Term. Gowen Fld was viewed by 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from State of Washington to Boise one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from State of Washington to Boise for a low price.

  • What are the most popular routes from State of Washington to Boise?

    When deciding which route to take from State of Washington to Boise consider Seattle/Tacoma Intl - Boise Air Term. Gowen Fld, Portland - Boise Air Term. Gowen Fld or Spokane - Boise Air Term. Gowen Fld as they are the most popular.

  • What are the most reliable airlines from State of Washington to Boise?

    Before booking your flight to Boise from State of Washington, check out the most reliable airlines to get you to your destination on time: Scandinavian Airlines (100%), Aeromexico (95%), Air France( 94%).

  • What are the cheapest flights from State of Washington to Boise?

    While on average a flight from State of Washington to Boise is generally $261, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), you can expect to pay $137 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Boise?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Boise (average of $314). Flying from State of Washington 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 Washington?

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

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Alternative routes for Washington to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Boise

Discover the top 3 airlines that operate flights from Washington 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
Hawaiian AirlinesCheapest$104Average$237FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$251FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$362FlexibilityNo cancel feeOn-time75%

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