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$70+ Cheap flights from Portland to Boise (PDX - 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Boise Air Term. Gowen Fld are usually found in April or January, booked 66 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from Portland to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$137
(Hawaiian Airlines)

One-way from

$70
(SmartFares)

Popular in

December

Cheapest in

April

Average price

$258

Good round-trip deal

$177 or less

Good one-way deal

$138 or less
From Portland to Boise Air Term. Gowen Fld
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One-way flight from Portland to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Portland to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Portland to Boise Air Term. Gowen Fld.
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Find flight deals from Portland to Boise

Cheapest flights from Portland to Boise
Explore the most affordable flight options available from Portland to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 9/69:40 pmPDX - BOI
Nonstop1h 19mAlaska Airlines
Sun 9/76:00 amBOI - PDX
Nonstop1h 20mAlaska Airlines
Deal found 8/16$137
This Hawaiian Airlines deal was found by Cheapflights users on 8/17. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:24 pmPDX - BOI
1 stop5h 42mHawaiian Airlines
Tue 9/166:00 amBOI - PDX
Nonstop1h 20mHawaiian Airlines
Deal found 8/17$147
This Travelocity deal was found by Cheapflights users on 8/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:07 pmPDX - BOI
1 stop7h 24mMultiple Airlines
Tue 9/168:31 pmBOI - PDX
Nonstop1h 19mMultiple Airlines
Deal found 8/17$150
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amPDX - BOI
1 stop4h 30mSouthwest
Mon 9/296:30 pmBOI - PDX
1 stop4h 45mSouthwest
Deal found 8/16$151
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:00 amPDX - BOI
2 stops7h 10mSouthwest
Tue 9/165:25 pmBOI - PDX
1 stop5h 45mSouthwest
Deal found 8/17$156
This Delta deal was found by Cheapflights users on 8/16. 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.
Sat 9/67:15 amPDX - BOI
1 stop4h 51mDelta
Sun 9/77:30 amBOI - PDX
1 stop4h 04mDelta
Deal found 8/16$157
This Justfly.com deal was found by Cheapflights users on 8/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:07 pmPDX - BOI
1 stop7h 24mMultiple Airlines
Thu 9/1112:22 pmBOI - PDX
1 stop12h 50mMultiple Airlines
Deal found 8/16$158
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:40 pmPDX - BOI
1 stop3h 26mHawaiian Airlines
Sun 9/76:00 amBOI - PDX
Nonstop1h 20mHawaiian Airlines
Deal found 8/16$159
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 9/67:00 amPDX - BOI
1 stop4h 03mAlaska Airlines
Sat 9/64:00 pmBOI - PDX
Nonstop1h 22mAlaska Airlines
Deal found 8/16$161
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 9/812:07 pmPDX - BOI
1 stop7h 24mSpirit Airlines
Mon 9/159:26 pmBOI - PDX
1 stop14h 45mSpirit Airlines
Deal found 8/17$164
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 9/207:31 pmPDX - BOI
1 stop3h 37mAlaska Airlines
Wed 9/248:31 pmBOI - PDX
Nonstop1h 19mAlaska Airlines
Deal found 8/16$167
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:07 pmPDX - BOI
1 stop7h 24mMultiple Airlines
Mon 9/156:00 amBOI - PDX
Nonstop1h 20mMultiple Airlines
Deal found 8/17$170

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 August 18, 2025.
Use the filters below to find and compare flights from Portland to Boise that are best for you.

Fly from

Portland

Fly to

Boise

Route

Depart

Return

Price

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sun 9/7

7:02 am-9:20 am

Nonstop1h 18m

Boise Air Term. Gowen Fld

Sat 9/13

4:00 pm-4:22 pm

Nonstop1h 22m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 9/20

5:15 am-10:10 am

1 stop3h 55m

Boise Air Term. Gowen Fld

Wed 9/24

5:45 am-8:37 am

1 stop3h 52m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 9/25

2:30 pm-4:50 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

Sat 9/27

6:00 am-6:20 am

Nonstop1h 20m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 9/18

2:30 pm-4:50 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

Wed 9/24

6:00 am-6:20 am

Nonstop1h 20m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 9/9

5:35 am-12:07 pm

1 stop5h 32m

Boise Air Term. Gowen Fld

Tue 9/16

7:30 am-10:27 am

1 stop3h 57m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 9/25

2:30 pm-4:50 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

Tue 10/28

5:54 am-6:20 am

Nonstop1h 26m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 9/20

9:40 pm-11:59 pm

Nonstop1h 19m

Boise Air Term. Gowen Fld

Mon 9/22

8:31 pm-8:50 pm

Nonstop1h 19m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 10/1

5:50 pm-11:57 pm

1 stop5h 07m

Boise Air Term. Gowen Fld

Sat 10/4

5:45 am-8:37 am

1 stop3h 52m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Mon 9/8

9:40 pm-11:59 pm

Nonstop1h 19m

Boise Air Term. Gowen Fld

Tue 9/16

6:00 am-6:20 am

Nonstop1h 20m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 9/6

2:30 pm-4:50 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

Sun 9/7

6:00 am-6:20 am

Nonstop1h 20m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 19 results
1
2

Best time to book a flight from Portland to Boise

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

How far ahead should I book a flight from Portland to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Boise. Price data was last updated on August 8, 2025.

The price you pay for your flight from Portland to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Boise?

Currently, October is the cheapest month in which you can book a flight from Portland to Boise (average of $314). Flying from Portland to Boise in June is currently the most expensive (average of $399). 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 PDX to BOI?

Find hourly flight availability from Portland 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 August 18, 2025.

When flying from Portland to Boise, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the afternoon.

What is the cheapest day to fly from Portland to Boise?

Use this chart to determine the cheapest time to fly round-trip from Portland to Boise. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Portland to Boise flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated August 18, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Boise have to say. 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

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
2,664 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,038 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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 Portland to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Portland to Boise?

    If you book a flight from Portland to Boise, you will be flying from Portland to Air Term. Gowen Fld. Flights to Boise Air Term. Gowen Fld (BOI) from Portland (PDX) take 1h 11m for a nonstop flight. There are 10 flights from Portland to Boise per day from 4 airlines.

  • How popular is this Portland to Boise flight route?

    Flights from Portland to Boise Air Term. Gowen Fld have been viewed 7 times in the past calendar month.

  • What are the cheapest airlines flying from Portland to Boise round-trip?

    According to our current data, Spirit Airlines ($91), Hawaiian Airlines ($150), and Alaska Airlines ($157) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 66% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Portland to Boise?

    No one likes to see their flight delayed. When booking a flight from Portland to Boise consider choosing SkyWest Airlines (90%), Condor (88%) or Horizon Air (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portland to Boise?

    Looking for the cheapest flight from Portland to Boise? While on average our users pay $218, our data indicates the cheapest price to be $98. The most popular route (Portland - Boise Air Term. Gowen Fld), is priced around $117.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Boise?

    Currently, October is the cheapest month in which you can book a flight from Portland to Boise (average of $314). Flying from Portland to Boise in June is currently the most expensive (average of $399). 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 4 airlines flying from Portland to Boise

Discover the top 4 airlines that operate flights from Portland 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$155FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$150Average$285FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$276FlexibilityNo cancel feeOn-time75%
DeltaCheapest$166Average$270FlexibilityNo cancel feeOn-timeN/A

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