$118+ Cheap flights from Portland to Boise (PDX - BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Saturday or Thursday and return on a Friday
Cheap flight deals from Portland to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to BoiseExplore 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 September 17, 2026.
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 September 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/217:02 am -
Nonstop1h 30m
Sat 10/245:59 am -
Nonstop1h 21m
Deal found 9/14![Alaska Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/298:09 am -
1 stop3h 26m
Sat 10/311:02 pm -
1 stop4h 48m
Deal found 9/15![Alaska Airlines logo]()
$236
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:44 am -
Nonstop1h 26m
Sun 10/255:59 am -
Nonstop1h 21m
Deal found 9/15![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:06 am -
1 stop3h 50m
Tue 10/271:02 pm -
1 stop4h 48m
Deal found 9/15![Alaska Airlines logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/2410:30 am -
1 stop4h 14m
Sat 10/248:23 pm -
Nonstop1h 27m
Deal found 9/16![Alaska Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/242:10 pm -
1 stop6h 30m
Tue 10/276:15 am -
1 stop6h 20m
Deal found 9/16![Southwest logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 11/139:32 pm -
Nonstop1h 14m
Mon 11/161:05 pm -
Nonstop1h 23m
Deal found 9/16![Alaska Airlines logo]()
$247
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:30 am -
1 stop5h 49m
Fri 12/42:05 pm -
1 stop3h 43m
Deal found 9/16![Alaska Airlines logo]()
$249
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/158:09 am -
1 stop3h 26m
Thu 10/226:43 am -
1 stop4h 04m
Deal found 9/15![Alaska Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/312:48 pm -
Nonstop1h 19m
Sun 11/15:43 am -
Nonstop1h 27m
Deal found 9/14![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/14. 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 10/135:45 am -
1 stop7h 00m
Sat 10/171:35 pm -
1 stop7h 00m
Deal found 9/14![Southwest logo]()
$258
Best flights from Portland to BoiseDiscover carefully curated flight deals from Portland to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Portland to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 10/76:40 am -
1 stop3h 40m
Wed 10/147:00 am -
2 stops8h 55m
Deal found 9/14![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/217:02 am -
Nonstop1h 30m
Sat 10/245:59 am -
Nonstop1h 21m
Deal found 9/11![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/11. 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 11/36:40 am -
1 stop4h 45m
Sun 11/810:15 am -
1 stop7h 40m
Deal found 9/11![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 9/15. 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.
Tue 11/1010:15 am -
2 stops10h 25m
Fri 11/135:35 pm -
2 stops8h 50m
Deal found 9/15![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 9/16. 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.
Wed 12/210:15 am -
2 stops10h 25m
Fri 12/45:45 am -
2 stops8h 40m
Deal found 9/16![Southwest logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:33 pm -
1 stop22h 47m
Thu 10/225:59 am -
Nonstop1h 21m
Deal found 9/15![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 9/15. 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.
Tue 11/1010:15 am -
2 stops10h 25m
Thu 11/125:35 pm -
2 stops8h 50m
Deal found 9/15![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 9/12. 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.
Thu 10/225:00 am -
2 stops7h 20m
Mon 10/264:45 pm -
1 stop6h 35m
Deal found 9/12![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 9/12. 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.
Wed 10/2812:20 pm -
2 stops9h 55m
Sun 11/15:35 pm -
2 stops8h 45m
Deal found 9/12![Southwest logo]()
$338
Last-minute flights from Portland to BoiseDiscover last-minute flight deals from Portland to Boise. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Boise. Data last updated September 17, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 10/76:50 am -
1 stop5h 00m
Wed 10/147:00 am -
1 stop7h 00m
Deal found 9/14![Southwest logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/132:48 pm -
Nonstop1h 19m
Sat 10/171:32 pm -
Nonstop1h 18m
Deal found 9/14![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 9/14. 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 10/135:45 am -
1 stop7h 00m
Sat 10/171:35 pm -
1 stop7h 00m
Deal found 9/14![Southwest logo]()
$258
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/158:09 am -
1 stop3h 26m
Thu 10/226:43 am -
1 stop4h 04m
Deal found 9/15![Alaska Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 9/11. 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.
Thu 10/152:55 pm -
2 stops9h 10m
Tue 10/207:00 am -
1 stop7h 00m
Deal found 9/11![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/217:02 am -
Nonstop1h 30m
Sat 10/245:59 am -
Nonstop1h 21m
Deal found 9/14![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/247:50 am -
1 stop6h 35m
Tue 10/276:15 am -
2 stops9h 40m
Deal found 9/16![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:06 am -
1 stop3h 50m
Tue 10/271:02 pm -
1 stop4h 48m
Deal found 9/15![Alaska Airlines logo]()
$241
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/298:09 am -
1 stop3h 26m
Sat 10/311:02 pm -
1 stop4h 48m
Deal found 9/15![Alaska Airlines logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/312:48 pm -
Nonstop1h 19m
Sun 11/15:43 am -
Nonstop1h 27m
Deal found 9/16![Alaska Airlines logo]()
$237
One-way flights from Portland to BoiseSearch for one-way flight options from Portland to Boise. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Portland to Boise. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:09 am -
1 stop3h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$118
This Southwest deal was found by Cheapflights users on 9/12. 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.
Sat 10/177:50 am -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$124
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:31 am -
1 stop4h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Alaska Airlines logo]()
$127
This Southwest deal was found by Cheapflights users on 9/13. 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 10/135:45 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 9/16. 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.
Fri 10/164:10 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 9/13. 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.
Wed 10/2812:20 pm -
2 stops9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$135
This Southwest deal was found by Cheapflights users on 9/13. 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.
Thu 10/295:00 am -
2 stops7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 10/712:20 pm -
2 stops9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$140
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/187:09 am -
1 stop4h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Alaska Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:49 pm -
1 stop3h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$149
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Alaska Airlines) |
One-way from | $118 (Trip.com) |
Popular in | July |
Cheapest in | April |
Average price | $332 |
Good round-trip deal | $227 or less |
Good one-way deal | $175 or less |
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 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Tue 11/3
10:15 am-9:35 pm
2 stops10h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Fri 10/16
4:10 pm-11:40 pm
1 stop6h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 10/29
4:10 pm-11:40 pm
1 stop6h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 11/26
10:29 am-4:28 pm
1 stop4h 59m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$144
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Sun 10/18
5:30 am-9:54 am
1 stop3h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Mon 10/19
5:49 pm-10:08 pm
1 stop3h 19m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
Quickest round-trip
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Tue 11/3
10:35 am-12:57 pm
Nonstop1h 22m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Tue 10/13
7:02 am-9:32 am
Nonstop1h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 11/26
11:32 am-5:00 pm
1 stop4h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 10/29
5:54 pm-8:19 pm
Nonstop1h 25m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
Showing 1-10 of 19 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
PDX-BOI
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
Prices
Airlines
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 90 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 $197). Flying from Portland to Boise in July is currently the most expensive (average of $387). 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 September 17, 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 12% versus a flight in the morning.
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 September 12, 2026.
Travelers seeking maximum savings on their Portland to Boise flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons 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 September 17, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boise flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to Boise
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Boise by cabin class
Find flights from Portland to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Boise flights
Browse other Portland and Boise flight options. Last updated on September 17, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$209 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$301 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$192 | Average$277 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$197 | Average$297 | FlexibilityNo cancel fee | On-time85% |