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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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$147
(Alaska Airlines)

One-way from

$69
(Delta)

Popular in

November

Cheapest in

September

Average price

$217

Good round-trip deal

$218 or less

Good one-way deal

$149 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. 6% potential increase in price ($12 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 June 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 junio 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 9/176:00 amBOI - PDX
Nonstop1h 20mAlaska Airlines
mié. 9/242:30 pmPDX - BOI
Nonstop1h 20mAlaska Airlines
Deal found 6/12$137
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/94:00 pmBOI - SEA
1 stop3h 45mAlaska Airlines
mié. 9/179:31 pmSEA - BOI
Nonstop1h 28mAlaska Airlines
Deal found 6/10$147
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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.
mar. 9/96:59 pmBOI - SEA
1 stop3h 01mHawaiian Airlines
mié. 9/175:42 pmSEA - BOI
1 stop3h 15mHawaiian Airlines
Deal found 6/12$156
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/174:20 pmBOI - SEA
Nonstop1h 40mDelta
dom. 8/248:30 amSEA - BOI
Nonstop1h 34mDelta
Deal found 6/9$157
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2110:37 pmBOI - GEG
Nonstop1h 21mHawaiian Airlines
sáb. 8/239:54 amGEG - BOI
Nonstop1h 09mHawaiian Airlines
Deal found 6/10$157
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/225:45 pmBOI - PDX
1 stop5h 40mSouthwest
lun. 8/255:55 pmPDX - BOI
1 stop5h 10mSouthwest
Deal found 6/10$167
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/319:30 amBOI - SEA
1 stop5h 25mSouthwest
mié. 9/36:45 amSEA - BOI
2 stops9h 35mSouthwest
Deal found 6/11$172
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:25 amBOI - PDX
1 stop4h 25mHawaiian Airlines
lun. 8/189:40 pmPDX - BOI
Nonstop1h 14mHawaiian Airlines
Deal found 6/9$177
This Delta deal was found by Cheapflights users on 6/10. 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.
jue. 8/219:00 amBOI - GEG
1 stop4h 41mDelta
sáb. 8/231:00 pmGEG - BOI
1 stop5h 05mDelta
Deal found 6/10$177
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/47:12 amBOI - GEG
Nonstop1h 08mAlaska Airlines
vie. 7/410:11 amGEG - BOI
Nonstop1h 09mAlaska Airlines
Deal found 6/11$193
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/226:00 pmBOI - PDX
1 stop6h 49mDelta
dom. 8/247:15 amPDX - BOI
1 stop4h 51mDelta
Deal found 6/9$195
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/127:15 pmBOI - PDX
1 stop6h 20mUnited Airlines
sáb. 7/199:47 amPDX - BOI
1 stop5h 53mUnited Airlines
Deal found 6/11$216

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 junio 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

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

mié. 9/17

6:00 am-6:20 am

Nonstop1h 20m

Portland

mié. 9/24

2:30 pm-4:50 pm

Nonstop1h 20m

$137

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

mar. 9/9

4:00 pm-6:45 pm

1 stop3h 45m

Seattle/Tacoma Intl

mié. 9/17

9:31 pm-11:59 pm

Nonstop1h 28m

$147

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

mar. 9/9

6:59 pm-9:00 pm

1 stop3h 01m

Seattle/Tacoma Intl

mié. 9/17

5:42 pm-9:57 pm

1 stop3h 15m

$156

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

dom. 8/17

4:20 pm-5:00 pm

Nonstop1h 40m

Seattle/Tacoma Intl

dom. 8/24

8:30 am-11:04 am

Nonstop1h 34m

$157

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

jue. 8/21

10:37 pm-10:58 pm

Nonstop1h 21m

Spokane

sáb. 8/23

9:54 am-12:03 pm

Nonstop1h 09m

$157

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

vie. 8/22

5:45 pm-10:25 pm

1 stop5h 40m

Portland

lun. 8/25

5:55 pm-12:05 am

1 stop5h 10m

$167

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

dom. 8/31

9:30 am-1:55 pm

1 stop5h 25m

Seattle/Tacoma Intl

mié. 9/3

6:45 am-5:20 pm

2 stops9h 35m

$172

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

jue. 8/21

9:00 am-12:41 pm

1 stop4h 41m

Spokane

sáb. 8/23

1:00 pm-7:05 pm

1 stop5h 05m

$177

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

mié. 8/13

6:25 am-9:50 am

1 stop4h 25m

Portland

lun. 8/18

9:40 pm-11:54 pm

Nonstop1h 14m

$177

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

vie. 7/4

7:12 am-7:20 am

Nonstop1h 08m

Spokane

vie. 7/4

10:11 am-12:20 pm

Nonstop1h 09m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 46 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 July is currently the most expensive (average of $391). 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 junio 12, 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 junio 12, 2025.

The most flights from BOI to USWA are scheduled on a Thursday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 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 junio 12, 2025.
To help decide which airline to fly from Boise to Washington, see what other customers have to say about Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 85 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 $69. 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 - 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 Air France (98%), Singapore Airlines (97%) and Aeromexico (95%).

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

    On average you can expect to pay $1,465 for a flight from Boise to State of Washington. The cheapest flight overall is $98 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 $391). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$236FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$128Average$319FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$217FlexibilityNo cancel feeOn-time85%

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