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$56+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$116
(Cheapflightsfares)

One-way from

$56
(Southwest)

Popular in

December

Cheapest in

February

Average price

$206

Good round-trip deal

$189 or less

Good one-way deal

$98 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. 7% potential increase in price ($17 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 October 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 October 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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.
Sat 11/151:08 pmBOI - GEG
Nonstop1h 13mAlaska Airlines
Sat 11/226:15 amGEG - BOI
Nonstop1h 11mAlaska Airlines
Deal found 10/18$116
This Delta deal was found by Cheapflights users on 10/20. 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 12/175:20 amBOI - SEA
Nonstop2h 02mDelta
Tue 12/3012:15 pmSEA - BOI
Nonstop1h 34mDelta
Deal found 10/20$117
This Orbitz deal was found by Cheapflights users on 10/20. 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.
Wed 11/193:39 pmBOI - PUW
Nonstop1h 00mAlaska Airlines
Tue 12/25:37 pmPUW - BOI
Nonstop1h 03mAlaska Airlines
Deal found 10/20$117
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/86:45 pmBOI - GEG
Nonstop1h 09mHawaiian Airlines
Sun 11/97:47 pmGEG - BOI
Nonstop1h 08mHawaiian Airlines
Deal found 10/18$117
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/87:30 amBOI - SEA
1 stop3h 37mHawaiian Airlines
Sun 11/97:55 amSEA - BOI
Nonstop1h 34mHawaiian Airlines
Deal found 10/17$122
This Southwest deal was found by Cheapflights users on 10/20. 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 12/66:00 amBOI - GEG
1 stop7h 00mSouthwest
Wed 12/105:25 amGEG - BOI
1 stop7h 05mSouthwest
Deal found 10/20$124
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Sat 11/156:28 amBOI - SEA
Nonstop1h 47mAlaska Airlines
Mon 11/1712:39 pmSEA - BOI
Nonstop1h 33mAlaska Airlines
Deal found 10/19$126
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Sat 11/157:30 amBOI - GEG
Nonstop1h 11mAlaska Airlines
Sun 11/166:00 amGEG - BOI
Nonstop1h 10mAlaska Airlines
Deal found 10/19$126
This Delta deal was found by Cheapflights users on 10/19. 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 12/177:30 amBOI - SEA
Nonstop1h 54mDelta
Mon 12/297:45 amSEA - BOI
Nonstop1h 35mDelta
Deal found 10/19$127
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 11/83:39 pmBOI - PUW
Nonstop1h 00mAlaska Airlines
Mon 11/104:17 pmPUW - BOI
Nonstop1h 01mAlaska Airlines
Deal found 10/17$127
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/1310:35 pmBOI - GEG
Nonstop1h 11mAlaska Airlines
Tue 11/188:55 amGEG - BOI
Nonstop1h 08mAlaska Airlines
Deal found 10/19$127
This Delta deal was found by Cheapflights users on 10/18. 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.
Sat 11/82:00 pmBOI - SEA
Nonstop1h 45mDelta
Sun 11/98:30 amSEA - BOI
Nonstop1h 32mDelta
Deal found 10/18$128

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 October 20, 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 11/15

1:08 pm-1:21 pm

Nonstop1h 13m

Spokane

Sat 11/22

6:15 am-8:26 am

Nonstop1h 11m

$116

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 11/8

6:45 pm-6:54 pm

Nonstop1h 09m

Spokane

Sun 11/9

7:47 pm-9:55 pm

Nonstop1h 08m

$117

BoisePullman

BOI - PUW

BOIPUW

Boise Air Term. Gowen Fld

Wed 11/19

3:39 pm-3:39 pm

Nonstop1h 00m

Pullman Moscow Regional

Tue 12/2

5:37 pm-7:40 pm

Nonstop1h 03m

$117

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 11/13

9:00 am-10:11 am

Nonstop2h 11m

Seattle/Tacoma Intl

Tue 11/18

1:30 pm-4:05 pm

Nonstop1h 35m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sun 11/23

11:42 am-12:35 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Tue 12/2

10:35 am-1:14 pm

Nonstop1h 39m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 12/19

4:45 pm-5:27 pm

Nonstop1h 42m

Seattle/Tacoma Intl

Tue 12/30

7:45 am-10:20 am

Nonstop1h 35m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 11/22

9:42 pm-10:23 pm

Nonstop1h 41m

Seattle/Tacoma Intl

Fri 11/28

1:11 pm-3:34 pm

Nonstop1h 23m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 12/24

3:30 pm-4:20 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Mon 12/29

7:45 am-10:20 am

Nonstop1h 35m

$127

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Thu 11/13

7:30 am-7:41 am

Nonstop1h 11m

Spokane

Tue 11/18

4:24 pm-6:34 pm

Nonstop1h 10m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 12/20

5:40 am-6:37 am

Nonstop1h 57m

Seattle/Tacoma Intl

Fri 12/26

3:00 pm-5:27 pm

Nonstop1h 27m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 October 20, 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 8% 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 October 20, 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 October 20, 2025.

The most flights from BOI to USWA are scheduled on a Friday (70 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (48 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 October 20, 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
11,136 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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
11,136 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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
7,978 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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
2,786 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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 81 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, Hawaiian Airlines, and Delta fly from Boise to State of Washington in about 1h 09m. The time it takes to get you to your destination is usually consistent. Boise and State of Washington are separated by a distance of 287 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 Southwest, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from Alaska Airlines and Delta, 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%), Japan Airlines (93%) and Finnair (90%).

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

    On average you can expect to pay $1,016 for a flight from Boise to State of Washington. The cheapest flight overall is $78 while the most popular route, (Boise Air Term. Gowen Fld - Seattle/Tacoma Intl) is currently priced at $117.

  • 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$243FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$117Average$236FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$130Average$309FlexibilityNo cancel feeOn-time75%

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