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$69+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
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 noviembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$99
(Delta)

One-way from

$69
(Cheapflightsfares)

Popular in

November

Cheapest in

February

Average price

$217

Good round-trip deal

$127 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.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Seattle/Tacoma Intl flights.
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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. 4% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in November 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 noviembre 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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.
mar. 12/235:40 amBOI - SEA
Nonstop1h 57mDelta
mar. 12/309:35 pmSEA - BOI
Nonstop1h 29mDelta
Deal found 11/25$99
This Trip.com deal was found by Cheapflights users on 11/24. 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.
jue. 12/186:08 amBOI - SEA
Nonstop1h 52mHawaiian Airlines
lun. 12/229:15 pmSEA - BOI
Nonstop1h 22mHawaiian Airlines
Deal found 11/24$114
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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.
jue. 12/186:08 amBOI - SEA
Nonstop1h 52mAlaska Airlines
dom. 12/217:59 pmSEA - BOI
Nonstop1h 27mAlaska Airlines
Deal found 11/24$118
This Alaska Airlines deal was found by Cheapflights users on 11/25. 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.
sáb. 12/206:08 amBOI - SEA
Nonstop1h 52mAlaska Airlines
dom. 12/217:59 pmSEA - BOI
Nonstop1h 27mAlaska Airlines
Deal found 11/25$119
This Cheapflightsfares deal was found by Cheapflights users on 11/26. 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.
mar. 12/165:59 pmBOI - SEA
Nonstop1h 48mAlaska Airlines
mar. 12/169:28 pmSEA - BOI
Nonstop1h 22mAlaska Airlines
Deal found 11/26$132
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
mar. 12/306:08 amBOI - SEA
Nonstop1h 52mAlaska Airlines
sáb. 1/39:15 pmSEA - BOI
Nonstop1h 22mAlaska Airlines
Deal found 11/24$136
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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.
mié. 12/316:08 amBOI - SEA
Nonstop1h 52mAlaska Airlines
vie. 1/27:43 amSEA - BOI
Nonstop1h 24mAlaska Airlines
Deal found 11/24$137
This Alaska Airlines deal was found by Cheapflights users on 11/25. 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.
mié. 12/248:21 pmBOI - PDX
Nonstop1h 29mAlaska Airlines
dom. 12/289:40 pmPDX - BOI
Nonstop1h 17mAlaska Airlines
Deal found 11/25$137
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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.
mar. 12/1610:25 pmBOI - GEG
Nonstop1h 19mAlaska Airlines
sáb. 12/206:05 amGEG - BOI
Nonstop1h 13mAlaska Airlines
Deal found 11/24$137
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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.
mar. 12/236:08 amBOI - SEA
Nonstop1h 52mAlaska Airlines
sáb. 12/279:15 pmSEA - BOI
Nonstop1h 22mAlaska Airlines
Deal found 11/24$138
This Delta deal was found by Cheapflights users on 11/25. 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.
mar. 12/161:54 pmBOI - SEA
Nonstop1h 51mDelta
mié. 12/174:20 pmSEA - BOI
Nonstop1h 31mDelta
Deal found 11/25$139
This Alaska Airlines deal was found by Cheapflights users on 11/25. 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.
mié. 12/248:21 pmBOI - PDX
Nonstop1h 29mAlaska Airlines
vie. 1/29:40 pmPDX - BOI
Nonstop1h 17mAlaska Airlines
Deal found 11/25$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 noviembre 26, 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

mié. 2/4

7:25 am-8:20 am

Nonstop1h 55m

Seattle/Tacoma Intl

dom. 2/8

7:30 pm-9:58 pm

Nonstop1h 28m

$99

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

mar. 1/6

5:15 pm-6:08 pm

Nonstop1h 53m

Seattle/Tacoma Intl

sáb. 1/10

7:30 pm-9:58 pm

Nonstop1h 28m

$99

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

vie. 1/9

7:25 am-8:20 am

Nonstop1h 55m

Seattle/Tacoma Intl

mar. 1/13

1:50 pm-4:17 pm

Nonstop1h 27m

$99

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

vie. 12/19

9:00 am-9:57 am

Nonstop1h 57m

Seattle/Tacoma Intl

sáb. 12/20

9:35 pm-12:04 am

Nonstop1h 29m

$99

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

mié. 12/17

9:00 am-9:57 am

Nonstop1h 57m

Seattle/Tacoma Intl

mar. 12/30

3:00 pm-5:27 pm

Nonstop1h 27m

$99

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

vie. 1/16

4:04 pm-4:33 pm

Nonstop1h 29m

Portland

dom. 1/18

2:41 pm-5:01 pm

Nonstop1h 20m

$137

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

mar. 1/13

7:00 am-7:19 am

Nonstop1h 19m

Spokane

mar. 1/20

4:57 pm-7:10 pm

Nonstop1h 13m

$137

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

jue. 2/5

9:02 am-9:54 am

Nonstop1h 52m

Seattle/Tacoma Intl

vie. 2/6

6:39 pm-9:05 pm

Nonstop1h 26m

$139

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

mar. 2/10

9:15 am-10:14 am

Nonstop1h 59m

Seattle/Tacoma Intl

jue. 2/12

3:55 pm-6:22 pm

Nonstop1h 27m

$139

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

lun. 2/9

5:40 am-6:36 am

Nonstop1h 56m

Seattle/Tacoma Intl

mié. 2/11

10:20 am-12:55 pm

Nonstop1h 35m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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, 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 noviembre 26, 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 10% 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 December 16, 2024.

Travelers seeking maximum savings on their Boise to State of Washington flight should consider departing on Monday 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 noviembre 26, 2025.

The most flights from BOI to USWA are scheduled on a Monday (52 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 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 noviembre 26, 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
11,354 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,354 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,814 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 82 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 Delta, Alaska Airlines, and Southwest fly from Boise to State of Washington in about 1h 29m. The time it takes to get you to your destination can typically vary by up to 7h 21m. Boise and State of Washington are separated by a distance of 343 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Alaska Airlines 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 - Spokane or Boise Air Term. Gowen Fld - Portland.

  • 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 (95%) and Virgin Atlantic (95%).

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

    On average you can expect to pay $730 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 $89.

  • 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.

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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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$252FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$117Average$236FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$118Average$268FlexibilityNo cancel feeOn-time75%

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