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$76+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$117
(Alaska Airlines)

One-way from

$76
(Southwest)

Popular in

June

Cheapest in

September

Average price

$197

Good round-trip deal

$198 or less

Good one-way deal

$119 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. 3% potential increase in price ($8 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 July 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 July 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 8/166:00 amBOI - PDX
Nonstop1h 16mAlaska Airlines
Tue 8/192:30 pmPDX - BOI
Nonstop1h 18mAlaska Airlines
Deal found 6/30$117
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 8/132:44 pmBOI - GEG
Nonstop1h 11mAlaska Airlines
Wed 8/209:54 amGEG - BOI
Nonstop1h 09mAlaska Airlines
Deal found 6/30$117
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/162:44 pmBOI - GEG
Nonstop1h 11mHawaiian Airlines
Sun 8/177:00 pmGEG - BOI
Nonstop1h 06mHawaiian Airlines
Deal found 7/1$127
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/166:00 amBOI - PDX
Nonstop1h 16mHawaiian Airlines
Mon 8/182:30 pmPDX - BOI
Nonstop1h 18mHawaiian Airlines
Deal found 6/30$131
This Delta deal was found by Cheapflights users on 6/30. 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 8/125:45 amBOI - PDX
1 stop5h 49mDelta
Sat 8/167:15 amPDX - BOI
1 stop4h 51mDelta
Deal found 6/30$137
This Southwest deal was found by Cheapflights users on 6/30. 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 8/115:45 pmBOI - PDX
1 stop5h 40mSouthwest
Sat 8/167:25 amPDX - BOI
1 stop5h 20mSouthwest
Deal found 6/30$151
This Southwest deal was found by Cheapflights users on 6/30. 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 8/187:00 pmBOI - GEG
1 stop4h 30mSouthwest
Thu 8/213:55 pmGEG - BOI
1 stop7h 30mSouthwest
Deal found 6/30$151
This Delta deal was found by Cheapflights users on 6/29. 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 8/167:30 amBOI - GEG
1 stop6h 11mDelta
Sun 8/176:10 amGEG - BOI
1 stop3h 54mDelta
Deal found 6/29$157
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Sat 8/168:46 pmBOI - SEA
Nonstop1h 36mHawaiian Airlines
Sun 8/174:03 pmSEA - BOI
1 stop4h 03mHawaiian Airlines
Deal found 6/29$158
This Southwest deal was found by Cheapflights users on 6/30. 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.
Tue 8/198:45 amBOI - SEA
2 stops10h 55mSouthwest
Wed 8/206:45 amSEA - BOI
2 stops9h 35mSouthwest
Deal found 6/30$161
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 10/225:38 pmBOI - SEA
Nonstop1h 37mAlaska Airlines
Wed 10/299:35 amSEA - BOI
1 stop6h 35mAlaska Airlines
Deal found 6/30$170
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 7/297:15 pmBOI - PDX
1 stop6h 20mUnited Airlines
Tue 8/53:40 pmPDX - BOI
1 stop6h 55mUnited Airlines
Deal found 7/1$183

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 July 1, 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

Sat 8/16

6:00 am-6:16 am

Nonstop1h 16m

Portland

Tue 8/19

2:30 pm-4:48 pm

Nonstop1h 18m

$117

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Tue 8/19

9:46 pm-9:59 pm

Nonstop1h 13m

Spokane

Tue 8/26

7:48 pm-9:57 pm

Nonstop1h 09m

$117

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Sat 8/16

6:00 am-6:16 am

Nonstop1h 16m

Portland

Mon 8/18

2:30 pm-4:48 pm

Nonstop1h 18m

$131

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Sat 8/16

2:44 pm-2:55 pm

Nonstop1h 11m

Spokane

Sun 8/17

6:00 am-8:07 am

Nonstop1h 07m

$132

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Tue 8/12

5:45 am-10:34 am

1 stop5h 49m

Portland

Sat 8/16

7:15 am-1:06 pm

1 stop4h 51m

$137

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Tue 8/19

6:00 am-8:53 am

1 stop3h 53m

Spokane

Tue 8/26

5:30 pm-11:50 pm

1 stop5h 20m

$137

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Mon 8/11

5:45 pm-10:25 pm

1 stop5h 40m

Portland

Sat 8/16

7:25 am-1:45 pm

1 stop5h 20m

$151

BoiseSpokane

BOI - GEG

BOIGEG

Boise Air Term. Gowen Fld

Mon 8/11

7:40 pm-11:40 pm

1 stop5h 00m

Spokane

Thu 8/14

3:15 pm-12:05 am

1 stop7h 50m

$151

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 8/16

8:46 pm-9:22 pm

Nonstop1h 36m

Seattle/Tacoma Intl

Sun 8/17

4:03 pm-9:06 pm

1 stop4h 03m

$158

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 8/19

8:45 am-6:40 pm

2 stops10h 55m

Seattle/Tacoma Intl

Wed 8/20

6:45 am-5:20 pm

2 stops9h 35m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 43 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 $390). 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 July 1, 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 July 1, 2025.

The most flights from BOI to USWA are scheduled on a Monday (67 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 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 July 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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
10,000 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

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

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

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
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

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
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

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
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

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 75 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 Southwest, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from Hawaiian 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 (97%), Aeromexico (94%) and WestJet (93%).

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

    On average you can expect to pay $1,338 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 $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, 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 $390). 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$95Average$237FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$126Average$322FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$217FlexibilityNo cancel feeOn-time85%

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