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$99+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Find cheap flights from Portland to Boise with Cheapflights

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Cheapflights Tip: The best prices from Portland to Boise Air Term. Gowen Fld are usually found in April or February, booked 67 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap 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 May 16, 2026.

This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:55 pm
PDX
-
BOI
1 stop5h 30m
Southwest
Tue 6/1611:45 am
BOI
-
PDX
1 stop5h 55m
Southwest
Deal found 5/12$202
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:03 pm
PDX
-
BOI
1 stop4h 52m
United Airlines
Wed 6/172:05 pm
BOI
-
PDX
1 stop7h 49m
United Airlines
Deal found 5/13$207
This Southwest deal was found by Cheapflights users on 5/11. 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.
Tue 6/165:00 am
PDX
-
BOI
1 stop8h 40m
Southwest
Tue 6/167:55 pm
BOI
-
PDX
1 stop3h 30m
Southwest
Deal found 5/11$212
This Southwest deal was found by Cheapflights users on 5/14. 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.
Tue 6/94:05 pm
PDX
-
BOI
1 stop6h 15m
Southwest
Fri 6/125:55 pm
BOI
-
PDX
1 stop8h 25m
Southwest
Deal found 5/14$220
This Southwest deal was found by Cheapflights users on 5/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 am
PDX
-
BOI
1 stop4h 40m
Southwest
Thu 7/94:25 pm
BOI
-
PDX
1 stop7h 20m
Southwest
Deal found 5/13$225
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:35 am
PDX
-
BOI
1 stop7h 09m
United Airlines
Sun 6/77:05 pm
BOI
-
PDX
1 stop6h 45m
United Airlines
Deal found 5/12$226
This Southwest deal was found by Cheapflights users on 5/11. 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.
Tue 6/165:00 am
PDX
-
BOI
1 stop8h 40m
Southwest
Sat 6/206:00 pm
BOI
-
PDX
1 stop6h 25m
Southwest
Deal found 5/11$230
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:30 am
PDX
-
BOI
1 stop5h 04m
Delta
Tue 6/96:10 pm
BOI
-
PDX
1 stop6h 44m
Delta
Deal found 5/14$242
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:00 pm
PDX
-
BOI
1 stop7h 45m
Southwest
Mon 6/157:40 pm
BOI
-
PDX
1 stop5h 50m
Southwest
Deal found 5/12$243
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:03 pm
PDX
-
BOI
1 stop4h 52m
United Airlines
Fri 6/127:05 pm
BOI
-
PDX
1 stop6h 45m
United Airlines
Deal found 5/14$252
This Southwest deal was found by Cheapflights users on 5/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:00 pm
PDX
-
BOI
1 stop7h 45m
Southwest
Wed 6/244:20 pm
BOI
-
PDX
1 stop8h 45m
Southwest
Deal found 5/15$253

Find 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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(Southwest)

One-way from

$99
(Southwest)

Popular in

January

Cheapest in

April

Average price

$277

Good round-trip deal

$262 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Portland-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Boise Air Term. Gowen Fld flights.
Search Deals
From Portland to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Portland to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Portland to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from Portland to Boise Air Term. Gowen Fld.
Search Deals

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 May 16, 2026.
Use the filters below to find and compare flights from Portland to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 6/10

6:03 pm-11:55 pm

1 stop4h 52m

Boise Air Term. Gowen Fld

Wed 6/17

2:05 pm-8:54 pm

1 stop7h 49m

$207

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 7/7

8:45 am-2:25 pm

1 stop4h 40m

Boise Air Term. Gowen Fld

Fri 7/10

5:55 pm-1:20 am

1 stop8h 25m

$225

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 6/4

7:00 pm-12:04 am

1 stop4h 04m

Boise Air Term. Gowen Fld

Sun 6/7

8:42 am-11:42 am

1 stop4h 00m

$257

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 6/5

5:30 am-9:52 am

1 stop3h 22m

Boise Air Term. Gowen Fld

Sun 6/7

6:43 am-10:39 am

1 stop4h 56m

$257

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 8/25

11:35 am-10:25 pm

2 stops9h 50m

Boise Air Term. Gowen Fld

Mon 8/31

6:00 am-1:25 pm

2 stops8h 25m

$263

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 6/10

4:05 pm-12:25 am

2 stops7h 20m

Boise Air Term. Gowen Fld

Wed 6/17

11:45 am-4:40 pm

1 stop5h 55m

$287

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 7/17

5:30 am-11:38 am

1 stop5h 08m

Boise Air Term. Gowen Fld

Sun 7/19

12:20 pm-5:06 pm

1 stop5h 46m

$307

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/28

7:05 am-11:43 am

1 stop3h 38m

Boise Air Term. Gowen Fld

Thu 9/3

12:42 pm-3:06 pm

1 stop3h 24m

$307

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 7/30

5:30 pm-12:04 am

1 stop5h 34m

Boise Air Term. Gowen Fld

Mon 8/3

4:23 pm-4:45 pm

Nonstop1h 22m

$327

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/28

5:35 pm-7:58 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Thu 9/3

4:17 pm-7:50 pm

1 stop4h 33m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Boise in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 66 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, April is the cheapest month in which you can book a flight from Portland to Boise (average of $192). Flying from Portland to Boise in January is currently the most expensive (average of $337). 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 May 16, 2026.

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 13% 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 May 9, 2026.

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

How much does it cost to fly round-trip from Portland to Boise?

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 May 16, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian 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
7.9
Good
12,372 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,372 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,454 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
7.9
Good
12,372 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 18m for a nonstop flight. There are 5 flights from Portland to Boise per day from 3 airlines.

  • How popular is this Portland to Boise flight route?

    Flights from Portland to Boise Air Term. Gowen Fld have been viewed 4 times in the past calendar month.

  • How long is the flight from Portland to Boise?

    United Airlines, Southwest, and Delta can get you from Portland to Boise in just under 4h 04m. Your travel time can differ by up to 48m. Airlines will cover a distance of 343 mi. This flight may include one or multiple stops.

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

    According to our current data, Hawaiian Airlines ($117), Delta ($136), and Alaska Airlines ($137) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 56% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to Boise one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $75. Users have also found prices from $78 and $98 on Hawaiian Airlines and Alaska Airlines, respectively.

  • 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 (98%), Hawaiian Airlines (98%) or British Airways (96%) 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 $273, our data indicates the cheapest price to be $149. The most popular route (Portland - Boise Air Term. Gowen Fld), is priced around $202.

  • 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, April is the cheapest month in which you can book a flight from Portland to Boise (average of $192). Flying from Portland to Boise in January is currently the most expensive (average of $337). 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 Portland to Boise

Discover the top 3 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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$117Average$297FlexibilityNo cancel feeOn-time85%
DeltaCheapest$136Average$209FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$276FlexibilityNo cancel feeOn-time75%

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