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Boise

$94+ Cheap flights from Washington to Boise (BOI)

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOI
maj 19 — maj 261
tir. 5/19
tir. 5/26
1 adult, Economy
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Cheap flight deals from Washington to Boise

Cheapest flights from Washington to Boise
Explore the most affordable flight options available from Washington to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on april 19, 2026.

This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
ons. 5/65:31 pm
PUW
-
BOI
Nonstop0h 59m
Alaska Airlines
tir. 5/124:55 pm
BOI
-
PUW
Nonstop0h 59m
Alaska Airlines
Deal found 4/14$157
This Alaska Airlines deal was found by Cheapflights users on 4/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 5/85:31 pm
PUW
-
BOI
Nonstop0h 59m
Alaska Airlines
tir. 5/124:55 pm
BOI
-
PUW
Nonstop0h 59m
Alaska Airlines
Deal found 4/18$167
This Trip.com deal was found by Cheapflights users on 4/15. 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.
lør. 5/3011:39 am
SEA
-
BOI
Nonstop1h 31m
Alaska Airlines
lør. 6/68:51 pm
BOI
-
SEA
Nonstop1h 38m
Alaska Airlines
Deal found 4/15$173
This Delta deal was found by Cheapflights users on 4/13. 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.
lør. 5/307:15 am
SEA
-
BOI
Nonstop1h 39m
Delta
fre. 6/59:18 pm
BOI
-
SEA
Nonstop1h 47m
Delta
Deal found 4/13$177
This CheapOair deal was found by Cheapflights users on 4/14. 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.
ons. 5/139:35 pm
PDX
-
BOI
Nonstop1h 23m
Alaska Airlines
lør. 5/164:28 pm
BOI
-
PDX
Nonstop1h 22m
Alaska Airlines
Deal found 4/14$177
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 5/107:10 am
SEA
-
BOI
Nonstop1h 32m
Alaska Airlines
lør. 5/168:13 am
BOI
-
SEA
Nonstop1h 40m
Alaska Airlines
Deal found 4/17$183
This Delta deal was found by Cheapflights users on 4/16. 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.
fre. 5/229:20 pm
SEA
-
BOI
Nonstop1h 35m
Delta
lør. 5/236:00 pm
BOI
-
SEA
Nonstop1h 42m
Delta
Deal found 4/16$187
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
ons. 5/139:35 pm
PDX
-
BOI
Nonstop1h 23m
Alaska Airlines
søn. 5/179:00 am
BOI
-
PDX
Nonstop1h 23m
Alaska Airlines
Deal found 4/16$187
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 5/228:26 am
SEA
-
BOI
Nonstop1h 37m
Alaska Airlines
fre. 5/296:07 pm
BOI
-
SEA
Nonstop1h 45m
Alaska Airlines
Deal found 4/15$192
This Southwest deal was found by Cheapflights users on 4/14. 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.
ons. 5/612:45 pm
PDX
-
BOI
2 stops10h 40m
Southwest
tir. 5/124:05 pm
BOI
-
PDX
1 stop7h 55m
Southwest
Deal found 4/14$192
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 5/1011:22 am
SEA
-
BOI
Nonstop1h 30m
Alaska Airlines
søn. 5/176:35 am
BOI
-
SEA
Nonstop1h 40m
Alaska Airlines
Deal found 4/17$193
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 5/297:35 pm
SEA
-
BOI
Nonstop1h 38m
Delta
man. 6/110:39 am
BOI
-
SEA
Nonstop1h 55m
Delta
Deal found 4/17$197

Find flight deals from Washington to Boise

Keep the following information in mind while searching for Washington to Boise flight deals. Data was last updated april 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Alaska Airlines)

One-way from

$94
(Southwest)

Popular in

June

Cheapest in

January

Average price

$177

Good round-trip deal

$177 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Washington to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Washington to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Washington to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from Washington to Boise Air Term. Gowen Fld.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Boise 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 april 19, 2026.
Use the filters below to find and compare flights from Washington to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PullmanBoise

PUW - BOI

PUWBOI

Pullman Moscow Regional

ons. 5/6

5:31 pm-7:30 pm

Nonstop0h 59m

Boise Air Term. Gowen Fld

tir. 5/12

4:55 pm-4:54 pm

Nonstop0h 59m

$157

PullmanBoise

PUW - BOI

PUWBOI

Pullman Moscow Regional

fre. 5/8

5:31 pm-7:30 pm

Nonstop0h 59m

Boise Air Term. Gowen Fld

tir. 5/12

4:55 pm-4:54 pm

Nonstop0h 59m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

søn. 5/31

5:00 am-9:55 am

1 stop3h 55m

Boise Air Term. Gowen Fld

tir. 6/2

4:05 pm-11:00 pm

1 stop7h 55m

$192

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

man. 5/11

11:40 am-10:55 pm

1 stop10h 15m

Boise Air Term. Gowen Fld

tir. 5/12

7:05 am-1:25 pm

1 stop7h 20m

$202

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

lør. 5/30

5:10 am-2:50 pm

1 stop8h 40m

Boise Air Term. Gowen Fld

lør. 6/6

6:00 pm-12:35 am

1 stop7h 35m

$202

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

ons. 5/6

6:00 am-8:07 am

Nonstop1h 07m

Boise Air Term. Gowen Fld

lør. 5/9

2:32 pm-2:44 pm

Nonstop1h 12m

$217

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

tor. 5/28

3:20 pm-5:28 pm

Nonstop1h 08m

Boise Air Term. Gowen Fld

søn. 5/31

7:00 am-7:07 am

Nonstop1h 07m

$217

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

tor. 5/21

1:04 pm-3:34 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

man. 5/25

6:35 am-7:15 am

Nonstop1h 40m

$222

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

ons. 6/17

6:20 am-11:20 am

1 stop4h 00m

Boise Air Term. Gowen Fld

tir. 6/23

7:53 pm-10:54 pm

1 stop4h 01m

$237

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

fre. 5/15

7:23 pm-11:55 pm

1 stop3h 32m

Boise Air Term. Gowen Fld

søn. 5/17

6:00 pm-9:13 pm

1 stop4h 13m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Washington 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 Washington to Boise

What is the cheapest month to book a flight from State of Washington to Boise?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Boise (average of $59). Flying from State of Washington to Boise in July is currently the most expensive (average of $167). 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 WA to BOI?

Find hourly flight availability from Washington to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated april 19, 2026.

One of the essential ways to save on airfare from State of Washington to Boise is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 49% on airfare.

What is the cheapest day to fly from State of Washington to Boise?

Use this chart to determine the cheapest time to fly round-trip from Washington to Boise. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their State of Washington to Boise flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from State of Washington to Boise

Explore weekly flight availability from Washington to Boise. 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 april 19, 2026.

The most flights from USWA to BOI are scheduled on a Saturday (46 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from State of Washington to Boise?

Related info for your journey

Find useful and relevant information for your journey from Washington to Boise. 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 into for flights to Boise from Washington?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Washington to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How popular is this State of Washington to Boise flight route?

    This flight path from Washington to Boise Air Term. Gowen Fld was viewed by 8 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 State of Washington to Boise?

    There are many flights that can get you from State of Washington to Boise in 59m. Fly via Alaska Airlines, Southwest, or Delta to get the fastest option. Airlines will cover a distance of 224 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $58. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from State of Washington to Boise for a low price.

  • What are the most popular routes from State of Washington to Boise?

    When deciding which route to take from State of Washington to Boise consider Seattle/Tacoma Intl - Boise Air Term. Gowen Fld, Portland - Boise Air Term. Gowen Fld or Spokane - Boise Air Term. Gowen Fld as they are the most popular.

  • What are the most reliable airlines from State of Washington to Boise?

    Before booking your flight to Boise from State of Washington, check out the most reliable airlines to get you to your destination on time: Horizon Air (92%), Air Tahiti Nui (91%), Alaska Airlines( 91%).

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

    While on average a flight from State of Washington to Boise is generally $218, our data shows the cheapest flight currently is $88. When looking at the most popular route, (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), you can expect to pay $177 for that flight.

  • Can I find deals for flights from Washington to Boise that include hotel bookings?

    Yes. In addition to deals on Washington to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Boise.

  • Can I find deals for business class flights from Washington to Boise?

    Yes. Cheapflights offers flight deals from Washington to Boise 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 State of Washington to Boise?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Boise (average of $59). Flying from State of Washington to Boise in July is currently the most expensive (average of $167). 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.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 3 airlines flying from Washington to Boise

Discover the top 3 airlines that operate flights from Washington to Boise. 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 april 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$79Average$197FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$106Average$285FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$127Average$227FlexibilityNo cancel feeOn-time85%

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