$123+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PDX
Oct 31 — Nov 71
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Portland with Cheapflights
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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
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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 October 1, 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 October 1, 2026.
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:12 am -
Nonstop1h 21m
Sat 10/317:02 am -
Nonstop1h 30m
Deal found 9/28![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 11/119:03 am -
Nonstop1h 27m
Sat 11/142:50 pm -
Nonstop1h 14m
Deal found 9/30![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 9/28. 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.
Thu 10/295:59 am -
Nonstop1h 21m
Wed 11/410:35 am -
Nonstop1h 22m
Deal found 9/28![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 11/194:24 pm -
Nonstop1h 23m
Mon 11/235:53 pm -
Nonstop1h 16m
Deal found 9/29![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 11/33:55 pm -
Nonstop1h 53m
Tue 11/1710:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 12/148:56 am -
Nonstop1h 31m
Mon 12/1410:30 am -
1 stop3h 57m
Deal found 9/30![Alaska Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 9/28. 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 10/286:45 am -
2 stops9h 10m
Sat 10/3112:25 pm -
1 stop6h 00m
Deal found 9/28![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 10/313:57 pm -
Nonstop1h 52m
Thu 11/510:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$252
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
1 stop23h 14m
Sun 11/2211:23 am -
1 stop6h 37m
Deal found 9/28![Frontier logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 11/31:53 pm -
1 stop3h 57m
Wed 11/1810:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/30. 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 10/319:35 am -
2 stops8h 40m
Sun 11/15:00 am -
1 stop5h 50m
Deal found 9/30![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 11/65:43 am -
Nonstop1h 27m
Tue 11/105:52 pm -
1 stop25h 01m
Deal found 9/29![Alaska Airlines logo]()
$265
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 October 1, 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 October 1, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/287:10 pm -
1 stop4h 47m
Sat 10/313:40 pm -
1 stop6h 53m
Deal found 9/28![United Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 12/22:05 pm -
1 stop3h 43m
Sat 12/58:20 am -
1 stop2h 51m
Deal found 9/28![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 9/28. 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 10/286:45 am -
2 stops9h 10m
Sat 10/3112:25 pm -
1 stop6h 00m
Deal found 9/28![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 9/26. 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.
Sat 2/136:00 am -
1 stop4h 16m
Sat 2/205:05 pm -
1 stop4h 14m
Deal found 9/26![Delta logo]()
$342
This Southwest deal was found by Cheapflights users on 9/30. 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 10/311:45 pm -
1 stop5h 30m
Sun 11/15:00 am -
1 stop5h 50m
Deal found 9/30![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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.
Tue 10/274:20 pm -
Nonstop1h 21m
Wed 10/287:09 am -
1 stop5h 38m
Deal found 9/26![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 9/30. 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 10/3012:00 pm -
2 stops9h 35m
Fri 11/66:10 am -
1 stop4h 30m
Deal found 9/30![Southwest logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 10/197:37 pm -
1 stop23h 41m
Thu 10/2210:30 am -
1 stop4h 14m
Deal found 9/26![Alaska Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 9/27. 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.
Sun 10/251:17 pm -
2 stops9h 39m
Sun 11/15:33 am -
1 stop5h 52m
Deal found 9/27![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 11/252:00 pm -
1 stop4h 23m
Tue 12/110:47 am -
Nonstop1h 22m
Deal found 9/29![Alaska Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 9/29. 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 1/86:00 am -
2 stops8h 25m
Sun 1/101:05 pm -
2 stops8h 05m
Deal found 9/29![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 11/196:37 am -
1 stop5h 45m
Sun 11/227:13 am -
Nonstop1h 21m
Deal found 9/27![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 11/215:25 pm -
1 stop6h 41m
Mon 11/235:53 pm -
Nonstop1h 16m
Deal found 9/27![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:04 am -
1 stop3h 46m
Wed 10/215:15 pm -
1 stop3h 33m
Deal found 9/28![Delta logo]()
$497
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 10/283:57 pm -
Nonstop1h 52m
Mon 11/29:59 pm -
1 stop16h 19m
Deal found 9/28![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/27. 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.
Sun 10/2512:19 pm -
2 stops9h 37m
Sun 11/15:49 pm -
1 stop5h 17m
Deal found 9/27![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:04 am -
1 stop3h 46m
Sat 10/175:15 pm -
1 stop3h 33m
Deal found 9/28![Delta logo]()
$517
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 12/253:55 pm -
Nonstop2h 00m
Mon 12/2810:30 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$397
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:57 pm -
Nonstop1h 52m
Mon 11/210:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:15 am -
1 stop5h 36m
Sun 10/185:33 am -
1 stop6h 06m
Deal found 9/28![Delta logo]()
$547
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 10/301:58 pm -
2 stops22h 34m
Sat 11/78:08 am -
1 stop6h 10m
Deal found 10/1![Alaska Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:15 am -
1 stop5h 39m
Sun 10/115:33 am -
1 stop6h 06m
Deal found 9/28![Delta logo]()
$586
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 12/511:51 am -
1 stop9h 02m
Tue 12/87:30 am -
1 stop26h 39m
Deal found 9/28![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:14 pm -
2 stops7h 48m
Mon 10/125:49 pm -
1 stop5h 17m
Deal found 9/28![Delta logo]()
$633
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 11/31:53 pm -
2 stops7h 54m
Tue 11/107:04 am -
2 stops14h 50m
Deal found 9/27![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:04 am -
1 stop3h 46m
Tue 10/205:15 pm -
1 stop3h 33m
Deal found 9/28![Delta logo]()
$638
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/56:04 am -
2 stops11h 30m
Mon 11/95:53 pm -
2 stops20h 25m
Deal found 9/30![Alaska Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 10/216:09 am -
1 stop6h 27m
Wed 10/2810:48 am -
2 stops11h 11m
Deal found 9/29![Alaska Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:44 am -
1 stop13h 03m
Wed 10/215:15 pm -
1 stop3h 33m
Deal found 9/28![Delta logo]()
$691
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/236:09 am -
1 stop4h 38m
Tue 10/271:49 pm -
2 stops24h 31m
Deal found 9/30![Alaska Airlines logo]()
$467
Last-minute flights from Idaho to PortlandDiscover last-minute flight deals from Idaho to Portland. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Portland. Data last updated October 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:12 am -
Nonstop1h 21m
Sat 10/317:02 am -
Nonstop1h 30m
Deal found 9/28![Alaska Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 9/28. 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 10/286:45 am -
2 stops9h 10m
Sat 10/3112:25 pm -
1 stop6h 00m
Deal found 9/28![Southwest logo]()
$252
This Priceline deal was found by Cheapflights users on 9/28. 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.
Thu 10/295:59 am -
Nonstop1h 21m
Wed 11/410:35 am -
Nonstop1h 22m
Deal found 9/28![Alaska Airlines logo]()
$237
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:23 pm -
Nonstop1h 27m
Fri 11/62:50 pm -
Nonstop1h 14m
Deal found 9/30![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 9/30. 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 10/304:05 pm -
1 stop5h 40m
Fri 11/66:10 am -
1 stop4h 30m
Deal found 9/30![Southwest logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/303:57 pm -
Nonstop1h 52m
Fri 11/610:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 10/313:57 pm -
Nonstop1h 52m
Thu 11/510:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 10/316:09 am -
1 stop4h 38m
Tue 11/1710:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/30. 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 10/319:35 am -
2 stops8h 40m
Sun 11/15:00 am -
1 stop5h 50m
Deal found 9/30![Southwest logo]()
$262
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:20 am -
1 stop10h 31m
Sun 11/19:32 pm -
Nonstop1h 14m
Deal found 9/30![Alaska Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 10/313:57 pm -
Nonstop1h 52m
Sun 11/110:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 10/316:09 am -
1 stop6h 27m
Mon 11/210:31 am -
Nonstop1h 45m
Deal found 9/30![Alaska Airlines logo]()
$332
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 October 1, 2026.
Search for one-way flight options from Idaho to Portland. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:49 pm -
1 stop21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$123
This Southwest deal was found by Cheapflights users on 9/27. 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 10/284:40 pm -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Southwest logo]()
$124
This Southwest deal was found by Cheapflights users on 9/27. 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.
Tue 10/276:15 am -
2 stops9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Southwest logo]()
$129
This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:49 pm -
1 stop21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$130
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/307:10 pm -
1 stop6h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$134
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:09 am -
1 stop4h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Alaska Airlines logo]()
$134
This Super.com deal was found by Cheapflights users on 9/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
1 stop23h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 9/30. 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.
Sun 11/157:18 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 9/29. 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.
Wed 11/116:00 am -
1 stop3h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Delta logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/287:20 am -
1 stop14h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:56 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/55:43 am -
Nonstop1h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Alaska Airlines logo]()
$154
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 October 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Trip.com) |
One-way from | $123 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $285 |
Good round-trip deal | $257 or less |
Good one-way deal | $237 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 October 1, 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 11/11
5:59 pm-9:57 pm
1 stop4h 58m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sat 10/31
8:25 am-1:24 pm
1 stop5h 59m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Tue 1/26
8:12 am-1:29 pm
1 stop6h 17m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sat 10/31
6:00 am-12:10 pm
2 stops7h 10m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 1/6
6:00 am-1:25 pm
2 stops8h 25m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Quickest round-trip
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 1/6
3:39 pm-4:03 pm
Nonstop1h 24m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Thu 11/12
6:00 am-8:58 am
1 stop3h 58m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Mon 11/16
6:57 pm-11:51 pm
1 stop5h 54m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sun 11/15
5:43 am-6:10 am
Nonstop1h 27m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PDX Portland
IDAPDX
Idaho Falls Fanning Field
Fri 11/13
1:11 pm-9:57 pm
2 stops9h 46m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Showing 1-10 of 60 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
IDA-PDX
PIH-PDX
SUN-PDX
LWS-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
IDA-PDX
PIH-PDX
SUN-PDX
What is the cheapest month to book a flight from Idaho to Portland?
Currently, December is the cheapest month in which you can book a flight from Idaho to Portland (average of $246). Flying from Idaho to Portland in April is currently the most expensive (average of $348). 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 October 1, 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 in the afternoon, which can drop the price by up to 28% versus a flight in the morning.
How much does it cost to fly round-trip from Idaho to Portland?
Airfare is typical for this route at the moment.
Idaho to Portland flights typically cost between $217 and $358 in October.The cheapest round-trip price found within the last 5 days was $225 on Alaska Airlines (Oct 28-Oct 31).
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 September 26, 2026.
Travelers seeking maximum savings on their Idaho to Portland flight should consider departing on Friday 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
Lincoln City
Durham
Longview
Lake Oswego
Cannon Beach
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Browse thousands of different options on Cheapflights for your next trip
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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 October 1, 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 October 1, 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 October 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$119 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$118 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$341 | FlexibilityNo cancel fee | On-time75% |