HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$67+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$118
(Alaska Airlines)

One-way from

$67
(iWofly)

Popular in

December

Cheapest in

February

Average price

$217

Good round-trip deal

$189 or less

Good one-way deal

$88 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Seattle/Tacoma Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Washington
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Washington.
Search Deals
Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Washington.
Search Deals

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 November 12, 2025.

This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 12/1211:44 amBOI - SEA
Nonstop1h 49mDelta
Mon 12/229:35 pmSEA - BOI
Nonstop1h 29mDelta
Deal found 11/10$118
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 12/67:25 amBOI - SEA
1 stop4h 02mAlaska Airlines
Tue 12/911:36 amSEA - BOI
1 stop4h 29mAlaska Airlines
Deal found 11/11$136
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:25 amBOI - GEG
Nonstop1h 18mAlaska Airlines
Wed 12/179:17 amGEG - BOI
Nonstop1h 14mAlaska Airlines
Deal found 11/11$136
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 12/67:25 amBOI - SEA
1 stop4h 02mAlaska Airlines
Sun 12/148:00 amSEA - BOI
Nonstop1h 34mAlaska Airlines
Deal found 11/11$137
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 12/104:20 pmBOI - PDX
Nonstop1h 30mAlaska Airlines
Wed 12/177:20 pmPDX - BOI
1 stop3h 30mAlaska Airlines
Deal found 11/11$137
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 12/610:25 pmBOI - GEG
Nonstop1h 19mAlaska Airlines
Wed 12/106:00 amGEG - BOI
Nonstop1h 15mAlaska Airlines
Deal found 11/12$137
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/27:25 amBOI - SEA
1 stop4h 02mAlaska Airlines
Fri 12/59:28 pmSEA - BOI
Nonstop1h 22mAlaska Airlines
Deal found 11/10$138
This Delta deal was found by Cheapflights users on 11/11. 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.
Tue 12/211:44 amBOI - SEA
Nonstop1h 50mDelta
Fri 12/58:32 amSEA - BOI
Nonstop1h 32mDelta
Deal found 11/11$139
This Trip.com deal was found by Cheapflights users on 11/11. 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 12/410:00 amBOI - PDX
1 stop3h 42mHawaiian Airlines
Sun 12/75:49 pmPDX - BOI
1 stop5h 01mHawaiian Airlines
Deal found 11/11$141
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:22 pmBOI - PDX
Nonstop1h 33mAlaska Airlines
Tue 12/1610:40 amPDX - BOI
1 stop4h 36mAlaska Airlines
Deal found 11/9$142
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/410:25 pmBOI - SEA
1 stop9h 50mHawaiian Airlines
Sun 12/78:30 pmSEA - BOI
Nonstop1h 26mHawaiian Airlines
Deal found 11/11$147
This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 12/55:20 amBOI - PDX
1 stop4h 09mDelta
Mon 12/87:09 pmPDX - BOI
1 stop4h 33mDelta
Deal found 11/10$147

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 November 12, 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

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 12/11

5:59 pm-6:47 pm

Nonstop1h 48m

Seattle/Tacoma Intl

Sun 12/14

8:00 am-10:34 am

Nonstop1h 34m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 2/7

5:40 am-6:36 am

Nonstop1h 56m

Seattle/Tacoma Intl

Mon 2/16

7:19 am-9:56 am

Nonstop1h 37m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sun 1/11

5:55 pm-6:33 pm

Nonstop1h 38m

Seattle/Tacoma Intl

Sat 1/17

2:00 pm-7:10 pm

1 stop4h 10m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 12/12

11:44 am-12:33 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Mon 12/22

9:35 pm-12:04 am

Nonstop1h 29m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 12/16

8:26 pm-9:10 pm

Nonstop1h 44m

Seattle/Tacoma Intl

Sun 12/21

7:59 pm-10:26 pm

Nonstop1h 27m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 1/8

4:04 pm-6:43 pm

1 stop3h 39m

Seattle/Tacoma Intl

Sun 1/11

8:35 pm-11:01 pm

Nonstop1h 26m

$128

BoisePullman

BOI - PUW

BOIPUW

Boise Air Term. Gowen Fld

Fri 2/27

2:31 pm-2:32 pm

Nonstop1h 01m

Pullman Moscow Regional

Sun 3/1

3:09 pm-5:10 pm

Nonstop1h 01m

$137

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Wed 12/10

12:55 pm-4:08 pm

1 stop4h 13m

Portland

Wed 12/17

5:15 pm-10:16 pm

1 stop4h 01m

$137

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Fri 1/16

5:40 am-6:18 am

Nonstop1h 38m

Portland

Mon 1/19

2:41 pm-5:01 pm

Nonstop1h 20m

$137

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Sat 1/24

2:29 pm-4:50 pm

1 stop3h 21m

Portland

Sat 1/31

10:40 am-12:54 pm

Nonstop1h 14m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 60 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from Boise to State of Washington (average of $77). Flying from Boise to State of Washington in July is currently the most expensive (average of $197). 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 November 12, 2025.

One of the essential ways to save on airfare from Boise to State of Washington is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.

What is the cheapest day to fly from Boise to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Boise to Washington. Price data was last updated on November 3, 2024.

Travelers seeking maximum savings on their Boise to State of Washington flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 12, 2025.

The most flights from BOI to USWA are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 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 November 12, 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
11,275 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,275 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,807 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 80 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boise to State of Washington?

    Airlines like Alaska Airlines, Delta, and Hawaiian Airlines fly from Boise to State of Washington in about 1h 01m. The time it takes to get you to your destination is usually consistent. Boise and State of Washington are separated by a distance of 224 mi. Most flights are nonstop.

  • 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 Delta and Southwest, 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 (92%) and Virgin Atlantic (89%).

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

    On average you can expect to pay $1,089 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 $90.

  • 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, February is the cheapest month in which you can book a flight from Boise to State of Washington (average of $77). Flying from Boise to State of Washington in July is currently the most expensive (average of $197). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Seattle flights
Boise to Seattle flights
Boise to Las Vegas flights
Boise to Los Angeles flights
Spokane to Sky Harbor Intl flights
Spokane to Las Vegas flights
Boise to Sky Harbor Intl flights
Spokane to Dallas/Fort Worth flights
Boise to Denver flights
Spokane to Los Angeles flights
Boise to Dallas/Fort Worth flights
Spokane to Denver flights
Boise to Santa Ana flights
Boise to O'Hare Intl flights
Boise to Honolulu flights
Boise to San Diego flights
Boise to Orlando flights
Boise to San Francisco flights
Spokane to San Francisco flights
Spokane to Orlando flights
Boise to John F Kennedy Intl flights
Boise to Minneapolis flights
Spokane to Honolulu flights
Idaho Falls to Denver flights
Boise to Portland flights
Idaho Falls to Seattle flights
Spokane to San Diego flights
Boise to Atlanta flights
Boise to LaGuardia flights
Spokane to O'Hare Intl flights
Boise to Burbank flights
Boise to Kahului flights
Boise to Ontario flights
Spokane to Minneapolis flights
Boise to Miami flights
Spokane to Kahului flights
Boise to Fort Lauderdale flights
Spokane to Boise flights
Spokane to Miami flights
Boise to Newark flights
Boise to Sacramento flights
Idaho Falls to Dallas/Fort Worth flights
Spokane to Hobby flights
Spokane to Salt Lake City flights
Spokane to Ontario flights
Boise to Nashville flights
Boise to Spokane flights
Boise to Palm Springs flights
Spokane to Atlanta flights
Spokane to John F Kennedy Intl flights

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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$256FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$117Average$236FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$127Average$309FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.