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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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOI
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$147
(Delta)

One-way from

$69
(Delta)

Popular in

November

Cheapest in

January

Average price

$217

Good round-trip deal

$157 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flights.
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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. 11% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 5/281:40 pmSEA - BOI
Nonstop1h 39mDelta
Fri 5/307:49 pmBOI - SEA
Nonstop1h 48mDelta
Deal found 4/30$147
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 6/212:37 pmSEA - BOI
Nonstop1h 29mAlaska Airlines
Mon 6/25:39 pmBOI - SEA
Nonstop1h 30mAlaska Airlines
Deal found 4/29$151
This Delta deal was found by Cheapflights users on 4/29. 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 5/276:10 amGEG - BOI
1 stop6h 00mDelta
Tue 6/37:35 amBOI - GEG
1 stop6h 18mDelta
Deal found 4/29$157
This Delta deal was found by Cheapflights users on 4/29. 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 5/273:30 pmPDX - BOI
1 stop5h 59mDelta
Tue 6/34:59 pmBOI - PDX
1 stop4h 53mDelta
Deal found 4/29$157
This Southwest deal was found by Cheapflights users on 4/29. 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 6/146:40 amPDX - BOI
1 stop8h 20mSouthwest
Tue 6/176:15 pmBOI - PDX
1 stop4h 45mSouthwest
Deal found 4/29$162
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1412:31 pmSEA - BOI
Nonstop1h 33mHawaiian Airlines
Sat 6/211:00 pmBOI - SEA
Nonstop1h 38mHawaiian Airlines
Deal found 4/29$163
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 5/279:46 amGEG - BOI
Nonstop1h 01mAlaska Airlines
Tue 6/32:43 pmBOI - GEG
Nonstop1h 12mAlaska Airlines
Deal found 4/29$167
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 6/39:49 pmPDX - BOI
Nonstop1h 10mAlaska Airlines
Mon 6/98:34 pmBOI - PDX
Nonstop1h 16mAlaska Airlines
Deal found 4/29$167
This Southwest deal was found by Cheapflights users on 4/30. 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.
Thu 5/294:30 pmSEA - BOI
1 stop5h 25mSouthwest
Tue 6/37:15 amBOI - SEA
1 stop8h 00mSouthwest
Deal found 4/30$172
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:25 amSEA - BOI
1 stop28h 26mMultiple Airlines
Fri 5/3012:16 pmBOI - SEA
1 stop12h 54mMultiple Airlines
Deal found 4/30$176
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/302:30 pmPDX - BOI
Nonstop1h 14mMultiple Airlines
Mon 6/212:16 pmBOI - PDX
1 stop5h 29mMultiple Airlines
Deal found 4/30$183
This flugladen.de deal was found by Cheapflights users on 4/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/242:30 pmPDX - BOI
Nonstop1h 14mHawaiian Airlines
Mon 5/265:30 amBOI - PDX
Nonstop1h 20mHawaiian Airlines
Deal found 4/30$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 May 1, 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

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 5/28

1:40 pm-4:19 pm

Nonstop1h 39m

Boise Air Term. Gowen Fld

Fri 5/30

7:49 pm-8:37 pm

Nonstop1h 48m

$147

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Mon 6/2

12:37 pm-3:06 pm

Nonstop1h 29m

Boise Air Term. Gowen Fld

Mon 6/2

5:39 pm-6:09 pm

Nonstop1h 30m

$151

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Tue 5/27

6:10 am-1:10 pm

1 stop6h 00m

Boise Air Term. Gowen Fld

Tue 6/3

7:35 am-12:53 pm

1 stop6h 18m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 5/27

3:30 pm-10:29 pm

1 stop5h 59m

Boise Air Term. Gowen Fld

Tue 6/3

4:59 pm-8:52 pm

1 stop4h 53m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 6/14

6:40 am-4:00 pm

1 stop8h 20m

Boise Air Term. Gowen Fld

Tue 6/17

6:15 pm-10:00 pm

1 stop4h 45m

$162

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 6/14

12:31 pm-3:04 pm

Nonstop1h 33m

Boise Air Term. Gowen Fld

Sat 6/21

1:00 pm-1:38 pm

Nonstop1h 38m

$163

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Tue 5/27

9:46 am-11:47 am

Nonstop1h 01m

Boise Air Term. Gowen Fld

Tue 6/3

2:43 pm-2:55 pm

Nonstop1h 12m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 6/3

9:49 pm-11:59 pm

Nonstop1h 10m

Boise Air Term. Gowen Fld

Mon 6/9

8:34 pm-8:50 pm

Nonstop1h 16m

$167

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 5/29

4:30 pm-10:55 pm

1 stop5h 25m

Boise Air Term. Gowen Fld

Tue 6/3

7:15 am-2:15 pm

1 stop8h 00m

$172

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 5/28

6:25 am-11:51 am

1 stop28h 26m

Boise Air Term. Gowen Fld

Fri 5/30

12:16 pm-12:10 am

1 stop12h 54m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 43 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 $406). 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 May 1, 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 May 1, 2025.

The most flights from USWA to BOI are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 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 May 1, 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
9,972 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

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 17 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: Horizon Air (92%), Aeromexico (91%), KLM( 90%).

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

    While on average a flight from State of Washington to Boise is generally $231, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), you can expect to pay $127 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 $406). 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
McCall
Caldwell
Ontario

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$98Average$237FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$255FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$139Average$378FlexibilityNo cancel feeOn-time75%

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