$69+ Cheap flights from Idaho to Portland (PDX)
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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PDX
Dec 2 — Dec 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho to Portland 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.Cheap flight deals from Idaho to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho to PortlandExplore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2026.
Explore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2026.
This Southwest deal was found by Cheapflights users on 10/30. 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 12/23:45 pm -
1 stop7h 05m
Sat 12/59:15 am -
1 stop5h 30m
Deal found 10/30![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 11/1. 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 12/23:45 pm -
2 stops6h 45m
Wed 12/92:10 pm -
2 stops7h 40m
Deal found 11/1![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 pm -
1 stop6h 14m
Sun 12/65:30 am -
1 stop5h 10m
Deal found 10/30![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:59 am -
1 stop5h 36m
Sun 12/65:59 pm -
1 stop3h 25m
Deal found 10/30![Delta logo]()
$178
This Travelocity deal was found by Cheapflights users on 10/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:56 pm -
1 stop3h 25m
Thu 12/312:48 pm -
1 stop5h 13m
Deal found 10/28![Multiple Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 10/28. 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.
Sat 12/512:50 pm -
1 stop6h 35m
Sat 12/123:20 pm -
1 stop5h 25m
Deal found 10/28![Southwest logo]()
$221
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:40 am -
Nonstop1h 32m
Sat 12/57:00 am -
1 stop14h 27m
Deal found 10/29![Alaska Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/57:41 pm -
Nonstop1h 38m
Mon 12/72:51 pm -
1 stop6h 36m
Deal found 10/28![Alaska Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 10/29. 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 12/23:45 pm -
2 stops6h 45m
Thu 12/36:30 am -
1 stop8h 20m
Deal found 10/29![Southwest logo]()
$226
This Priceline deal was found by Cheapflights users on 11/1. 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 12/21:13 pm -
Nonstop1h 35m
Wed 12/92:45 pm -
Nonstop1h 18m
Deal found 11/1![Alaska Airlines logo]()
$227
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:44 pm -
Nonstop2h 04m
Tue 12/810:30 am -
Nonstop1h 47m
Deal found 10/29![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 12/24:20 pm -
Nonstop1h 28m
Fri 12/47:59 pm -
1 stop25h 28m
Deal found 10/28![Alaska Airlines logo]()
$235
Best flights from Idaho to PortlandDiscover carefully curated flight deals from Idaho to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
Discover carefully curated flight deals from Idaho to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
This Southwest deal was found by Cheapflights users on 11/1. 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 12/102:50 pm -
1 stop7h 45m
Sun 12/136:10 am -
1 stop4h 30m
Deal found 11/1![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:44 pm -
1 stop4h 10m
Mon 12/75:59 pm -
1 stop4h 53m
Deal found 10/31![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 1/96:37 am -
1 stop4h 11m
Fri 1/1510:30 am -
1 stop4h 53m
Deal found 11/2![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/30. 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 1/271:40 pm -
1 stop6h 10m
Sun 1/313:40 pm -
1 stop6h 50m
Deal found 10/30![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 11/1. 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 12/51:45 pm -
1 stop7h 20m
Wed 12/96:40 am -
1 stop4h 45m
Deal found 11/1![Southwest logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:45 pm -
2 stops32h 30m
Thu 12/312:48 pm -
1 stop22h 12m
Deal found 10/29![Multiple Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 10/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2911:55 am -
1 stop5h 40m
Sun 1/315:05 am -
1 stop3h 35m
Deal found 10/31![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 10/30. 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.
Sat 12/57:00 am -
1 stop5h 45m
Sun 12/63:35 pm -
1 stop7h 35m
Deal found 10/30![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 10/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:35 am -
1 stop7h 05m
Mon 2/16:05 am -
2 stops11h 10m
Deal found 10/31![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 10/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2411:40 am -
2 stops8h 10m
Sat 2/274:40 pm -
2 stops6h 10m
Deal found 10/31![Southwest logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:57 am -
1 stop4h 24m
Sun 12/67:15 am -
Nonstop1h 21m
Deal found 10/29![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 11/2. 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 12/26:59 pm -
1 stop6h 00m
Sat 12/55:34 pm -
1 stop3h 51m
Deal found 11/2![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/255:40 am -
Nonstop1h 32m
Tue 12/17:59 pm -
1 stop25h 28m
Deal found 11/2![Alaska Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 11/2. 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 12/46:59 pm -
1 stop6h 00m
Sun 12/67:00 am -
2 stops10h 17m
Deal found 11/2![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 11/2. 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 1/96:04 am -
1 stop4h 00m
Fri 1/155:24 pm -
1 stop3h 29m
Deal found 11/2![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:55 pm -
Nonstop2h 00m
Tue 12/2910:30 am -
Nonstop1h 45m
Deal found 10/29![Alaska Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 10/28. 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.
Fri 12/43:30 pm -
1 stop7h 50m
Sun 12/66:10 am -
1 stop4h 30m
Deal found 10/28![Southwest logo]()
$264
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:44 pm -
Nonstop2h 04m
Sun 1/34:00 pm -
1 stop6h 45m
Deal found 10/30![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 12/236:00 am -
1 stop12h 16m
Thu 12/3110:30 am -
Nonstop1h 45m
Deal found 11/2![Alaska Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:44 am -
1 stop5h 45m
Mon 12/75:45 am -
1 stop3h 57m
Deal found 10/31![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 12/163:44 pm -
Nonstop2h 04m
Tue 1/52:00 pm -
1 stop24h 21m
Deal found 10/31![Alaska Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 11/1. 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.
Tue 11/246:04 am -
2 stops5h 48m
Sun 12/65:45 am -
1 stop3h 57m
Deal found 11/1![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/253:55 pm -
Nonstop2h 00m
Mon 12/289:45 pm -
1 stop25h 00m
Deal found 11/1![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:46 pm -
Nonstop1h 54m
Thu 12/35:32 pm -
1 stop4h 24m
Deal found 10/29![Alaska Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:51 am -
1 stop13h 04m
Tue 12/812:06 pm -
1 stop22h 03m
Deal found 10/29![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:17 pm -
2 stops11h 19m
Tue 11/175:45 am -
1 stop5h 36m
Deal found 10/29![Delta logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:51 am -
2 stops22h 36m
Mon 12/147:00 am -
2 stops27h 09m
Deal found 10/29![Alaska Airlines logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 1/1411:38 am -
1 stop8h 11m
Mon 1/187:31 pm -
1 stop14h 25m
Deal found 10/31![Alaska Airlines logo]()
$473
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/1011:51 am -
2 stops22h 36m
Sun 12/1310:30 am -
1 stop23h 39m
Deal found 11/1![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:04 am -
2 stops5h 48m
Thu 11/195:45 am -
1 stop3h 52m
Deal found 10/31![Delta logo]()
$810
Last-minute flights from Idaho to PortlandDiscover last-minute flight deals from Idaho to Portland. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Portland. Data last updated November 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:45 pm -
2 stops32h 30m
Thu 12/312:48 pm -
1 stop22h 12m
Deal found 10/29![Multiple Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 10/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:50 pm -
1 stop5h 35m
Sun 11/226:10 am -
1 stop4h 30m
Deal found 10/31![Southwest logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 11/223:46 pm -
Nonstop1h 54m
Fri 11/2710:30 am -
Nonstop1h 48m
Deal found 11/1![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:10 pm -
1 stop6h 34m
Sun 12/67:00 am -
1 stop6h 50m
Deal found 10/28![United Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:10 pm -
1 stop6h 34m
Tue 12/17:00 am -
1 stop6h 50m
Deal found 10/29![United Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/255:40 am -
Nonstop1h 32m
Tue 12/17:59 pm -
1 stop25h 28m
Deal found 11/2![Alaska Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 10/29. 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.
Thu 11/267:10 am -
1 stop5h 00m
Thu 12/37:20 am -
1 stop6h 30m
Deal found 10/29![Southwest logo]()
$249
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:02 am -
Nonstop1h 32m
Thu 12/32:52 pm -
1 stop6h 35m
Deal found 10/29![Alaska Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:40 am -
Nonstop1h 32m
Sat 12/57:00 am -
1 stop14h 27m
Deal found 10/29![Alaska Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/302:00 pm -
1 stop4h 23m
Tue 12/18:20 am -
1 stop2h 51m
Deal found 10/29![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 11/2. 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.
Mon 11/303:10 pm -
1 stop7h 25m
Mon 12/73:35 pm -
1 stop5h 20m
Deal found 11/2![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:46 pm -
Nonstop1h 54m
Thu 12/35:32 pm -
1 stop4h 24m
Deal found 10/29![Alaska Airlines logo]()
$412
One-way flights from Idaho to PortlandSearch for one-way flight options from Idaho to Portland. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
Search for one-way flight options from Idaho to Portland. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
This Southwest deal was found by Cheapflights users on 10/30. 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 12/95:45 am -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Southwest logo]()
$69
This Lucky2Go deal was found by Cheapflights users on 10/29. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:47 pm -
1 stop18h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 11/1. 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 12/198:50 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 10/29. 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.
Sun 12/65:35 pm -
2 stops8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$139
This Super.com deal was found by Cheapflights users on 11/1. 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.
Thu 11/122:49 pm -
1 stop21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:55 pm -
1 stop22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$144
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:59 pm -
1 stop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$144
This Travelocity deal was found by Cheapflights users on 10/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/35:35 am -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:44 pm -
Nonstop2h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 10/28. 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.
Sat 11/74:35 pm -
1 stop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 10/30. 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.
Thu 11/1212:20 pm -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Southwest logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 11/255:40 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Alaska Airlines logo]()
$219
Find flight deals from Idaho to Portland
Keep the following information in mind while searching for Idaho to Portland flight deals. Data was last updated November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Southwest) |
One-way from | $69 (Southwest) |
Popular in | June |
Cheapest in | April |
Average price | $357 |
Good round-trip deal | $312 or less |
Good one-way deal | $179 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Portland 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 November 2, 2026.
Use the filters below to find and compare flights from Idaho to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 12/9
5:45 am-10:50 am
1 stop6h 05m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Thu 12/10
2:50 pm-9:35 pm
1 stop7h 45m
Portland
Sun 12/13
6:10 am-11:40 am
1 stop4h 30m
$137
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 1/27
1:40 pm-6:50 pm
1 stop6h 10m
Portland
Sun 1/31
3:40 pm-11:30 pm
1 stop6h 50m
$137
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sat 12/5
1:45 pm-8:05 pm
1 stop7h 20m
Portland
Wed 12/9
6:40 am-12:25 pm
1 stop4h 45m
$137
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Fri 1/29
11:55 am-4:35 pm
1 stop5h 40m
Portland
Sun 1/31
5:05 am-9:40 am
1 stop3h 35m
$137
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sat 12/5
7:00 am-11:45 am
1 stop5h 45m
Portland
Sun 12/6
3:35 pm-12:10 am
1 stop7h 35m
$137
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Fri 1/29
7:35 am-1:40 pm
1 stop7h 05m
Portland
Mon 2/1
6:05 am-6:15 pm
2 stops11h 10m
$142
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Thu 11/19
2:49 pm-1:03 pm
1 stop23h 14m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$143
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Tue 12/8
6:59 pm-11:59 pm
1 stop6h 00m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 2/24
11:40 am-6:50 pm
2 stops8h 10m
Portland
Sat 2/27
4:40 pm-11:50 pm
2 stops6h 10m
$147
Showing 1-10 of 48 resultsSorted by cheapest first
Best time to book a flight from Idaho to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Idaho with our price prediction graph.
BOI-PDX
TWF-PDX
IDA-PDX
PIH-PDX
SUN-PDX
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 Idaho to Portland
USID-PDX
BOI-PDX
TWF-PDX
IDA-PDX
PIH-PDX
What is the cheapest month to book a flight from Idaho to Portland?
Currently, May is the cheapest month in which you can book a flight from Idaho to Portland (average of $251). Flying from Idaho to Portland in November is currently the most expensive (average of $357). 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 ID to PDX?
Find hourly flight availability from Idaho to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2026.
When flying from Idaho to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the morning.
How much does it cost to fly round-trip from Idaho to Portland?
Airfare is below average for this route at the moment.
Idaho to Portland flights typically cost between $247 and $407 in January.The cheapest round-trip price found within the last 5 days was $137 on Southwest (Jan 20-Jan 24).
How far ahead should I book a flight from Idaho to Portland?
The best time to book flights from Idaho to Portland is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Idaho to Portland?
Use this chart to determine the cheapest time to fly round-trip from Idaho to Portland. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Idaho to Portland flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Portland. 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 Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Durham
Cannon Beach
Longview
Lake Oswego
Lincoln City
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Astoria
Tillamook
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Portland flight routes
Top destinations
Alternative routes for Idaho to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Portland by cabin class
Find flights from Idaho to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Portland flights
Browse other Idaho and Portland flight options. Last updated on November 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 2, 2026.
Idaho to Portland flights
Consider these flights traveling from Idaho to Portland.
Top 3 airlines flying from Idaho to Portland
Discover the top 3 airlines that operate flights from Idaho to Portland. 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 November 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$119 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$118 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$343 | FlexibilityNo cancel fee | On-time75% |