$109+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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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 1, 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 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/135:54 pm -
Nonstop1h 25m
Sat 10/171:32 pm -
Nonstop1h 18m
Deal found 8/27![Alaska Airlines logo]()
$207
This Expedia deal was found by Cheapflights users on 8/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/142:49 pm -
1 stop7h 24m
Tue 1/55:46 am -
Nonstop1h 34m
Deal found 8/30![Alaska Airlines logo]()
$209
This Orbitz deal was found by Cheapflights users on 8/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
Nonstop1h 30m
Sat 10/318:23 pm -
Nonstop1h 27m
Deal found 8/27![Alaska Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 9/305:30 am -
1 stop3h 24m
Sat 10/33:28 pm -
1 stop5h 34m
Deal found 8/27![Delta logo]()
$217
This Expedia deal was found by Cheapflights users on 8/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:03 am -
1 stop12h 28m
Sun 11/225:40 am -
Nonstop1h 32m
Deal found 8/30![Alaska Airlines logo]()
$218
This Expedia deal was found by Cheapflights users on 8/27. 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 10/145:54 pm -
Nonstop1h 25m
Sat 10/171:32 pm -
Nonstop1h 18m
Deal found 8/27![Alaska Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 8/26. 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 11/712:35 pm -
1 stop6h 50m
Tue 11/106:20 am -
2 stops8h 05m
Deal found 8/26![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/191:49 pm -
1 stop22h 58m
Wed 10/217:20 am -
1 stop14h 20m
Deal found 8/27![Alaska Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/3010:33 am -
1 stop8h 47m
Sun 10/45:59 am -
Nonstop1h 21m
Deal found 8/27![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 10/17:00 am -
Nonstop1h 34m
Sat 10/35:59 am -
Nonstop1h 21m
Deal found 8/27![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 8/29. 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 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
Sat 10/105:30 am -
1 stop6h 00m
Deal found 8/29![Southwest logo]()
$228
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 1, 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 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/132:53 pm -
1 stop21h 54m
Sat 10/175:59 am -
Nonstop1h 21m
Deal found 8/28![Alaska Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 10/1412:29 pm -
1 stop5h 04m
Sat 10/176:45 am -
1 stop6h 04m
Deal found 8/27![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 8/27. 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 10/286:50 am -
1 stop5h 00m
Sat 10/3110:40 am -
1 stop4h 50m
Deal found 8/27![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/26. 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 11/710:20 am -
1 stop6h 50m
Tue 11/1012:40 pm -
1 stop7h 35m
Deal found 8/26![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/29. 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 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
Sat 10/105:30 am -
1 stop6h 00m
Deal found 8/29![Southwest logo]()
$228
This Southwest deal was found by Cheapflights users on 8/30. 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.
Fri 10/94:20 pm -
1 stop8h 25m
Sun 10/1112:35 pm -
1 stop4h 05m
Deal found 8/30![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 8/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:20 pm -
1 stop8h 25m
Mon 10/124:45 pm -
1 stop6h 35m
Deal found 8/29![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 8/27. 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 9/253:25 pm -
1 stop7h 30m
Sun 9/277:30 am -
1 stop5h 10m
Deal found 8/27![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 8/26. 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 11/411:25 am -
2 stops9h 10m
Sat 11/711:30 am -
2 stops9h 15m
Deal found 8/26![Southwest logo]()
$272
Last-minute flights from Portland to BoiseDiscover last-minute flight deals from Portland to Boise. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Boise. Data last updated September 1, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/26. 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.
Thu 9/1012:24 pm -
1 stop24h 31m
Thu 9/172:50 pm -
1 stop22h 04m
Deal found 8/26![Frontier logo]()
$234
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:03 pm -
1 stop21h 59m
Wed 9/236:49 pm -
1 stop27h 00m
Deal found 8/27![Alaska Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 8/26. 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.
Fri 9/255:49 pm -
1 stop3h 45m
Mon 9/2812:17 pm -
1 stop5h 52m
Deal found 8/26![Delta logo]()
$237
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:38 pm -
1 stop25h 42m
Tue 9/296:49 pm -
1 stop15h 41m
Deal found 8/27![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 9/2610:49 am -
Nonstop1h 25m
Tue 9/297:20 am -
1 stop12h 17m
Deal found 8/26![Alaska Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:13 pm -
1 stop7h 26m
Wed 9/306:50 pm -
1 stop5h 07m
Deal found 8/30![United Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 8/26. 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.
Sun 9/277:00 am -
1 stop5h 45m
Mon 9/281:55 pm -
1 stop9h 20m
Deal found 8/26![Southwest logo]()
$242
This Priceline deal was found by Cheapflights users on 8/28. 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.
Wed 9/3010:49 am -
Nonstop1h 25m
Tue 10/65:59 am -
Nonstop1h 21m
Deal found 8/28![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 9/305:30 am -
1 stop3h 24m
Sat 10/33:28 pm -
1 stop5h 34m
Deal found 8/27![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 8/28. 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 9/307:50 am -
1 stop6h 10m
Tue 10/67:00 am -
2 stops8h 55m
Deal found 8/28![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 9/3010:33 am -
1 stop8h 47m
Sun 10/45:59 am -
Nonstop1h 21m
Deal found 8/31![Alaska Airlines logo]()
$225
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 1, 2026.
Search for one-way flight options from Portland to Boise. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 9/266:44 am -
1 stop5h 14m
Deal found 8/27![United Airlines logo]()
$109
This Priceline deal was found by Cheapflights users on 8/27. 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.
Mon 11/93:04 pm -
1 stop6h 27m
Deal found 8/27![Alaska Airlines logo]()
$112
This Southwest deal was found by Cheapflights users on 8/26. 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 10/612:20 pm -
2 stops9h 50m
Deal found 8/26![Southwest logo]()
$114
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/191:49 pm -
1 stop22h 58m
Deal found 8/27![Alaska Airlines logo]()
$117
This CheapOair deal was found by Cheapflights users on 8/26. 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.
Sun 9/2012:24 pm -
1 stop24h 31m
Deal found 8/26![Frontier logo]()
$118
This Delta deal was found by Cheapflights users on 8/27. 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.
Fri 10/212:34 pm -
1 stop3h 45m
Deal found 8/27![Delta logo]()
$119
This Southwest deal was found by Cheapflights users on 8/30. 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.
Wed 10/712:20 pm -
2 stops9h 55m
Deal found 8/30![Southwest logo]()
$120
This Super.com deal was found by Cheapflights users on 8/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:24 pm -
1 stop24h 31m
Deal found 8/26![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 8/27. 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 12/310:15 am -
2 stops10h 20m
Deal found 8/27![Southwest logo]()
$124
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Sat 9/512:20 pm -
1 stop22h 09m
Deal found 8/27![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Sun 9/1312:24 pm -
1 stop24h 31m
Deal found 8/27![Frontier logo]()
$131
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $109 (United Airlines) |
Popular in | July |
Cheapest in | April |
Average price | $297 |
Good round-trip deal | $322 or less |
Good one-way deal | $167 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 1, 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 10/13
2:53 pm-1:47 pm
1 stop21h 54m
Boise Air Term. Gowen Fld
Sat 10/17
5:59 am-6:20 am
Nonstop1h 21m
$215
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Wed 10/14
12:29 pm-6:33 pm
1 stop5h 04m
Boise Air Term. Gowen Fld
Sat 10/17
6:45 am-11:49 am
1 stop6h 04m
$217
Quickest round-trip
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Wed 10/28
6:50 am-12:50 pm
1 stop5h 00m
Boise Air Term. Gowen Fld
Sat 10/31
10:40 am-2:30 pm
1 stop4h 50m
$217
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Sat 11/7
10:20 am-6:10 pm
1 stop6h 50m
Boise Air Term. Gowen Fld
Tue 11/10
12:40 pm-7:15 pm
1 stop7h 35m
$217
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Wed 10/7
12:20 pm-11:15 pm
2 stops9h 55m
Boise Air Term. Gowen Fld
Sat 10/10
5:30 am-10:30 am
1 stop6h 00m
$228
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Fri 10/9
4:20 pm-1:45 am
1 stop8h 25m
Boise Air Term. Gowen Fld
Sun 10/11
12:35 pm-3:40 pm
1 stop4h 05m
$237
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Fri 10/9
4:20 pm-1:45 am
1 stop8h 25m
Boise Air Term. Gowen Fld
Mon 10/12
4:45 pm-10:20 pm
1 stop6h 35m
$255
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Fri 9/25
3:25 pm-11:55 pm
1 stop7h 30m
Boise Air Term. Gowen Fld
Sun 9/27
7:30 am-11:40 am
1 stop5h 10m
$265
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Wed 11/4
11:25 am-9:35 pm
2 stops9h 10m
Boise Air Term. Gowen Fld
Sat 11/7
11:30 am-7:45 pm
2 stops9h 15m
$272
Cheapest one-way
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Wed 10/7
5:30 am-1:03 pm
1 stop6h 33m
$109
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 1, 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 August 22, 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 1, 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
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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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$187 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$298 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$177 | Average$278 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$192 | Average$277 | FlexibilityNo cancel fee | On-time63% |