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$68+ Cheap flights from Boise (BOI) to Washington

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap flight deals from Boise to Washington

Keep the following information in mind while searching for Boise to Washington flight deals. Data was last updated August 13, 2025.

Round-trip from

$117
(Alaska Airlines)

One-way from

$68
(Alaska Airlines)

Popular in

November

Cheapest in

October

Average price

$197

Good round-trip deal

$157 or less

Good one-way deal

$119 or less
From Boise Air Term. Gowen Fld to Washington
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One-way flight from Boise Air Term. Gowen Fld to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Washington.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Washington.
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Find flight deals from Boise to Washington

Cheapest flights from Boise to Washington
Explore the most affordable flight options available from Boise to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/106:59 pmBOI - GEG
Nonstop1h 09mAlaska Airlines
Sat 9/139:54 amGEG - BOI
Nonstop1h 09mAlaska Airlines
Deal found 8/12$117
This Hawaiian Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/92:28 pmBOI - SEA
Nonstop1h 35mHawaiian Airlines
Wed 9/173:42 pmSEA - BOI
1 stop5h 15mHawaiian Airlines
Deal found 8/12$127
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:15 amBOI - GEG
Nonstop1h 09mHawaiian Airlines
Mon 9/295:12 amGEG - BOI
Nonstop1h 08mHawaiian Airlines
Deal found 8/11$129
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:35 amBOI - SEA
Nonstop1h 39mAlaska Airlines
Thu 10/21:30 pmSEA - BOI
Nonstop1h 24mAlaska Airlines
Deal found 8/11$133
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:37 pmBOI - GEG
Nonstop1h 21mHawaiian Airlines
Mon 9/297:48 pmGEG - BOI
Nonstop1h 09mHawaiian Airlines
Deal found 8/11$134
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:46 pmBOI - SEA
Nonstop1h 38mHawaiian Airlines
Sun 9/78:05 amSEA - BOI
Nonstop1h 32mHawaiian Airlines
Deal found 8/12$135
This Hawaiian Airlines deal was found by Cheapflights users on 8/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:59 pmBOI - SEA
1 stop3h 03mHawaiian Airlines
Wed 9/107:50 amSEA - BOI
1 stop3h 13mHawaiian Airlines
Deal found 8/11$136
This Hawaiian Airlines deal was found by Cheapflights users on 8/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:45 pmBOI - SEA
Nonstop1h 37mHawaiian Airlines
Sun 9/147:00 amSEA - BOI
Nonstop1h 28mHawaiian Airlines
Deal found 8/11$137
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/38:31 pmBOI - PDX
Nonstop1h 19mAlaska Airlines
Sun 9/77:02 amPDX - BOI
Nonstop1h 18mAlaska Airlines
Deal found 8/13$137
This Delta deal was found by Cheapflights users on 8/12. 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.
Wed 9/105:47 amBOI - GEG
1 stop3h 48mDelta
Wed 9/175:30 pmGEG - BOI
1 stop5h 27mDelta
Deal found 8/12$137
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:47 amBOI - PDX
1 stop5h 38mDelta
Wed 9/177:10 pmPDX - BOI
1 stop4h 05mDelta
Deal found 8/11$138
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:35 amBOI - SEA
Nonstop1h 39mHawaiian Airlines
Thu 10/23:42 pmSEA - BOI
1 stop5h 15mHawaiian Airlines
Deal found 8/11$140

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Washington 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 August 13, 2025.
Use the filters below to find and compare flights from Boise to Washington that are best for you.

Fly from

Boise

Fly to

Washington

Route

Depart

Return

Price

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 9/20

7:15 am-7:24 am

Nonstop1h 09m

Spokane

Wed 9/24

5:12 am-7:20 am

Nonstop1h 08m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 9/13

7:15 am-7:24 am

Nonstop1h 09m

Spokane

Tue 9/16

4:23 pm-6:37 pm

Nonstop1h 14m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Tue 9/9

7:15 am-7:24 am

Nonstop1h 09m

Spokane

Tue 9/16

9:54 am-12:03 pm

Nonstop1h 09m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Wed 9/10

7:15 am-7:24 am

Nonstop1h 09m

Spokane

Wed 9/17

4:23 pm-6:37 pm

Nonstop1h 14m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 9/6

6:59 pm-7:08 pm

Nonstop1h 09m

Spokane

Tue 9/9

7:48 pm-9:57 pm

Nonstop1h 09m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Wed 9/10

7:15 am-7:24 am

Nonstop1h 09m

Spokane

Wed 9/17

5:12 am-7:20 am

Nonstop1h 08m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Wed 9/10

7:15 am-7:24 am

Nonstop1h 09m

Spokane

Sat 9/13

5:12 am-7:20 am

Nonstop1h 08m

$117

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 9/13

4:20 pm-5:00 pm

Nonstop1h 40m

Seattle/Tacoma Intl

Sun 9/14

9:20 pm-11:52 pm

Nonstop1h 32m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 9/6

5:45 am-6:27 am

Nonstop1h 42m

Seattle/Tacoma Intl

Mon 9/15

5:45 pm-8:20 pm

Nonstop1h 35m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 9/12

5:45 am-6:35 am

Nonstop1h 50m

Seattle/Tacoma Intl

Sat 9/13

5:45 pm-8:20 pm

Nonstop1h 35m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 60 results
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Best time to book a flight from Boise to Washington

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

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

Currently, January is the cheapest month in which you can book a flight from Boise to State of Washington (average of $238). Flying from Boise to State of Washington in June is currently the most expensive (average of $389). 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 BOI to WA?

Find hourly flight availability from Boise to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

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

Weekly flight availability from Boise to State of Washington

Explore weekly flight availability from Boise to Washington. 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 August 13, 2025.

The most flights from BOI to USWA are scheduled on a Monday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated August 13, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Boise to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,655 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

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

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

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

    This flight path from Boise Air Term. Gowen Fld to Washington was viewed by 79 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 Boise to State of Washington one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from Southwest and Spirit Airlines, as they are both options that can get you from Boise to State of Washington for a low price.

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

    The most popular route from Boise to State of Washington is Boise Air Term. Gowen Fld - Seattle/Tacoma Intl. You may also consider Boise Air Term. Gowen Fld - Portland or Boise Air Term. Gowen Fld - Spokane.

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

    The top 3 most reliable airlines when flying from Boise to State of Washington are Singapore Airlines (100%), Aeromexico (91%) and WestJet (88%).

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

    On average you can expect to pay $1,015 for a flight from Boise to State of Washington. The cheapest flight overall is $88 while the most popular route, (Boise Air Term. Gowen Fld - Seattle/Tacoma Intl) is currently priced at $112.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boise to State of Washington (average of $238). Flying from Boise to State of Washington in June is currently the most expensive (average of $389). 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.

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Alternative routes for Boise to Washington

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

Discover the top 3 airlines that operate flights from Boise to Washington. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$241FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$127Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$128Average$294FlexibilityNo cancel feeOn-time75%

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