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$49+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Alaska Airlines)

One-way from

$49
(Delta)

Popular in

June

Cheapest in

October

Average price

$177

Good round-trip deal

$207 or less

Good one-way deal

$139 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
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($19 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 February 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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/292:30 pmBOI - GEG
Nonstop1h 10mAlaska Airlines
Wed 4/3011:08 amGEG - BOI
Nonstop1h 01mAlaska Airlines
Deal found 2/19$117
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/79:48 amBOI - GEG
Nonstop1h 04mHawaiian Airlines
Wed 4/96:15 amGEG - BOI
Nonstop1h 05mHawaiian Airlines
Deal found 2/20$123
This Delta deal was found by Cheapflights users on 2/20. 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 3/266:10 amBOI - GEG
1 stop3h 59mDelta
Tue 4/16:56 pmGEG - BOI
1 stop4h 17mDelta
Deal found 2/20$137
This Southwest deal was found by Cheapflights users on 2/20. 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.
Mon 4/75:15 amBOI - GEG
1 stop5h 40mSouthwest
Wed 4/94:50 pmGEG - BOI
1 stop5h 05mSouthwest
Deal found 2/20$154
This Delta deal was found by Cheapflights users on 2/20. 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 3/269:15 amBOI - SEA
Nonstop1h 42mDelta
Sun 3/307:10 amSEA - BOI
Nonstop1h 39mDelta
Deal found 2/20$157
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/202:16 pmBOI - PUW
Nonstop0h 56mAlaska Airlines
Thu 3/272:54 pmPUW - BOI
Nonstop0h 53mAlaska Airlines
Deal found 2/20$157
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 5/64:40 pmBOI - PDX
1 stop5h 08mDelta
Wed 5/75:45 pmPDX - BOI
1 stop5h 18mDelta
Deal found 2/19$157
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/261:31 pmBOI - SEA
1 stop20h 12mSpirit Airlines
Sun 3/309:48 amSEA - BOI
1 stop25h 48mSpirit Airlines
Deal found 2/20$158
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 3/67:55 pmBOI - SEA
1 stop5h 35mSouthwest
Mon 3/106:40 amSEA - BOI
2 stops9h 30mSouthwest
Deal found 2/20$162
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 3/65:15 amBOI - PDX
1 stop6h 20mSouthwest
Tue 3/1110:50 amPDX - BOI
2 stops10h 55mSouthwest
Deal found 2/20$162
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/51:31 pmBOI - PDX
1 stop25h 07mSpirit Airlines
Mon 3/107:32 pmPDX - BOI
1 stop16h 00mSpirit Airlines
Deal found 2/20$163
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:59 pmBOI - PDX
Nonstop1h 15mHawaiian Airlines
Fri 3/282:09 pmPDX - BOI
Nonstop1h 11mHawaiian Airlines
Deal found 2/19$167

Find flights from Boise to Washington within your budget

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 February 20, 2025.

Fly from

Boise

Fly to

Washington

Route

Depart

Return

Price

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Tue 4/29

2:30 pm-2:40 pm

Nonstop1h 10m

Spokane

Wed 4/30

11:08 am-1:09 pm

Nonstop1h 01m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Mon 4/7

9:48 am-9:52 am

Nonstop1h 04m

Spokane

Wed 4/9

6:15 am-8:20 am

Nonstop1h 05m

$123

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Mon 4/7

5:15 am-9:55 am

1 stop5h 40m

Spokane

Wed 4/9

4:50 pm-10:55 pm

1 stop5h 05m

$154

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 3/26

9:15 am-9:57 am

Nonstop1h 42m

Seattle/Tacoma Intl

Sun 3/30

7:10 am-9:49 am

Nonstop1h 39m

$157

BoisePullman

BOI - PUW

BOIPUW

Boise Air Term. Gowen Fld

Thu 3/20

2:16 pm-2:12 pm

Nonstop0h 56m

Pullman Moscow Regional

Thu 3/27

2:54 pm-4:47 pm

Nonstop0h 53m

$157

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Tue 5/6

4:40 pm-8:48 pm

1 stop5h 08m

Portland

Wed 5/7

5:45 pm-12:03 am

1 stop5h 18m

$157

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 3/26

1:31 pm-8:43 am

1 stop20h 12m

Seattle/Tacoma Intl

Sun 3/30

9:48 am-12:36 pm

1 stop25h 48m

$158

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 3/6

7:55 pm-12:30 am

1 stop5h 35m

Seattle/Tacoma Intl

Mon 3/10

6:40 am-5:10 pm

2 stops9h 30m

$162

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Thu 3/6

5:15 am-10:35 am

1 stop6h 20m

Portland

Tue 3/11

10:50 am-10:45 pm

2 stops10h 55m

$162

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Wed 3/5

1:31 pm-1:38 pm

1 stop25h 07m

Portland

Mon 3/10

7:32 pm-12:32 pm

1 stop16h 00m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 45 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.

Travel insights for flights from Boise to Washington

Get recent, data-driven insights about flights from Boise to Washington including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $411). 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 February 20, 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 February 20, 2025.

The most flights from BOI to USWA are scheduled on a Wednesday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 February 20, 2025.
To help decide which airline to fly from Boise to Washington, see what other customers have to say about Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 87 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 Delta, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Spirit Airlines and Hawaiian 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 Aeromexico (92%), Delta (89%) and Air France (88%).

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

    On average you can expect to pay $1,064 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 $137.

  • 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 July is currently the most expensive (average of $411). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$272FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$113Average$181FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$128Average$320FlexibilityNo cancel feeOn-time75%
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