$109+ Cheap flights from Idaho to Portland (PDX)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PDX
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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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
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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 September 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 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.
Wed 10/74:20 pm -
Nonstop1h 21m
Tue 10/135:54 pm -
Nonstop1h 25m
Deal found 8/28![Alaska Airlines logo]()
$207
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:12 am -
Nonstop1h 21m
Sun 10/49:36 pm -
Nonstop1h 18m
Deal found 8/30![Alaska Airlines logo]()
$211
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 10/287:20 am -
1 stop11h 58m
Sat 10/319:36 pm -
Nonstop1h 18m
Deal found 8/27![Alaska Airlines logo]()
$215
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 10/274:20 pm -
Nonstop1h 21m
Mon 11/210:35 am -
Nonstop1h 22m
Deal found 8/27![Alaska Airlines logo]()
$217
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:19 am -
1 stop6h 31m
Tue 10/2710:30 am -
2 stops6h 25m
Deal found 8/30![Alaska Airlines logo]()
$218
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:35 pm -
2 stops8h 20m
Tue 10/66:00 am -
1 stop5h 15m
Deal found 8/31![Southwest logo]()
$222
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 10/277:20 am -
1 stop7h 30m
Wed 10/287:09 am -
1 stop5h 38m
Deal found 8/28![Alaska Airlines logo]()
$223
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.
Fri 11/65:43 am -
Nonstop1h 27m
Mon 11/92:04 pm -
1 stop22h 26m
Deal found 8/28![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 10/21:31 pm -
Nonstop1h 18m
Sun 10/49:36 pm -
Nonstop1h 18m
Deal found 9/1![Alaska Airlines logo]()
$227
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.
Thu 10/299:12 am -
Nonstop1h 21m
Sun 11/15:48 pm -
Nonstop1h 18m
Deal found 8/27![Alaska Airlines logo]()
$231
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.
Thu 10/17:25 am -
1 stop6h 10m
Sat 10/32:10 pm -
2 stops7h 25m
Deal found 8/29![Southwest logo]()
$232
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:24 pm -
Nonstop1h 23m
Sun 11/1510:35 am -
Nonstop1h 22m
Deal found 8/30![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 September 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 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.
Sat 10/315:59 am -
Nonstop1h 21m
Wed 11/410:35 am -
Nonstop1h 22m
Deal found 8/27![Alaska Airlines logo]()
$207
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:59 pm -
1 stop4h 57m
Tue 10/1312:29 pm -
1 stop5h 04m
Deal found 8/28![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 10/77:00 am -
1 stop7h 00m
Wed 10/1412:20 pm -
2 stops9h 55m
Deal found 8/28![Southwest logo]()
$222
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:28 pm -
1 stop7h 25m
Tue 10/2010:43 am -
1 stop6h 06m
Deal found 8/29![United Airlines logo]()
$307
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 10/279:12 am -
Nonstop1h 21m
Sun 11/110:35 am -
Nonstop1h 22m
Deal found 8/27![Alaska Airlines logo]()
$217
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.
Tue 10/276:45 am -
1 stop5h 00m
Wed 11/412:29 pm -
1 stop5h 04m
Deal found 8/27![Delta logo]()
$217
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.
Tue 10/276:45 am -
1 stop6h 04m
Mon 11/211:25 am -
1 stop6h 08m
Deal found 8/27![Delta logo]()
$227
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:37 pm -
1 stop14h 54m
Sun 10/1110:44 am -
Nonstop1h 26m
Deal found 8/29![Alaska Airlines logo]()
$242
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:57 pm -
1 stop5h 00m
Sun 11/157:00 am -
1 stop3h 33m
Deal found 8/29![Delta logo]()
$237
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.
Thu 10/156:50 pm -
1 stop5h 20m
Sat 10/172:10 pm -
2 stops7h 30m
Deal found 8/30![Southwest logo]()
$295
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:13 pm -
1 stop3h 43m
Mon 10/195:49 pm -
1 stop3h 19m
Deal found 8/29![Delta logo]()
$237
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.
Tue 10/279:12 am -
Nonstop1h 21m
Wed 10/2810:44 am -
Nonstop1h 26m
Deal found 8/31![Alaska Airlines logo]()
$284
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:28 pm -
1 stop5h 42m
Sun 10/49:00 am -
1 stop6h 39m
Deal found 8/29![United Airlines logo]()
$387
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:38 pm -
1 stop4h 18m
Sun 11/15:30 am -
1 stop3h 20m
Deal found 8/29![Delta logo]()
$277
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.
Thu 10/13:57 pm -
Nonstop1h 53m
Thu 10/810:30 am -
Nonstop1h 51m
Deal found 8/28![Alaska Airlines logo]()
$327
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:40 pm -
1 stop5h 06m
Mon 10/265:00 am -
1 stop7h 25m
Deal found 8/28![United Airlines logo]()
$397
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:10 am -
1 stop3h 33m
Mon 10/512:34 pm -
1 stop4h 35m
Deal found 8/29![Delta logo]()
$277
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:10 am -
1 stop3h 36m
Sun 10/255:30 am -
1 stop3h 10m
Deal found 8/30![Delta logo]()
$277
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:36 pm -
Nonstop1h 13m
Fri 10/169:33 pm -
1 stop17h 49m
Deal found 8/30![Alaska Airlines logo]()
$342
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:11 pm -
1 stop5h 46m
Wed 10/1410:43 am -
1 stop6h 06m
Deal found 8/31![United Airlines logo]()
$458
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.
Fri 9/182:02 pm -
1 stop8h 49m
Mon 9/212:32 pm -
Nonstop1h 09m
Deal found 8/28![Alaska Airlines logo]()
$351
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop3h 50m
Wed 10/215:15 pm -
1 stop3h 55m
Deal found 8/29![Delta logo]()
$298
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 am -
1 stop3h 36m
Mon 10/1212:29 pm -
1 stop4h 29m
Deal found 8/31![Delta logo]()
$307
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:28 pm -
1 stop7h 25m
Wed 10/149:00 am -
1 stop7h 27m
Deal found 8/28![United Airlines logo]()
$518
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:53 pm -
1 stop3h 57m
Thu 11/1910:31 am -
Nonstop1h 45m
Deal found 8/30![Alaska Airlines logo]()
$397
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:59 pm -
1 stop6h 03m
Sat 10/35:50 pm -
1 stop3h 21m
Deal found 8/28![Delta logo]()
$307
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:28 pm -
3 stops18h 42m
Mon 10/265:00 am -
1 stop7h 25m
Deal found 8/31![United Airlines logo]()
$523
This Alaska Airlines 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 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 8/29![Alaska Airlines logo]()
$397
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.
Thu 9/247:05 am -
1 stop4h 41m
Thu 10/111:20 am -
1 stop5h 49m
Deal found 8/27![Delta logo]()
$317
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.
Sat 12/510:20 am -
1 stop9h 13m
Tue 12/85:35 pm -
1 stop15h 03m
Deal found 8/27![Alaska Airlines logo]()
$403
Last-minute flights from Idaho to PortlandDiscover last-minute flight deals from Idaho to Portland. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Portland. Data last updated September 1, 2026 and is based on user searches.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
1 stop22h 04m
Sun 9/2012:24 pm -
1 stop24h 31m
Deal found 8/30![Frontier logo]()
$247
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 9/186:49 pm -
1 stop15h 41m
Mon 9/213:03 pm -
1 stop21h 59m
Deal found 8/27![Alaska Airlines logo]()
$240
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 9/227:20 am -
1 stop12h 17m
Mon 9/283:03 pm -
1 stop21h 59m
Deal found 8/27![Alaska Airlines logo]()
$223
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.
Sat 9/269:00 am -
Nonstop1h 24m
Wed 9/302:53 pm -
Nonstop1h 22m
Deal found 8/27![Alaska Airlines logo]()
$207
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:55 pm -
1 stop6h 35m
Wed 9/307:50 am -
1 stop6h 10m
Deal found 8/31![Southwest logo]()
$245
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:25 am -
1 stop7h 55m
Tue 10/66:50 am -
1 stop5h 00m
Deal found 8/31![Southwest logo]()
$217
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 9/293:57 pm -
Nonstop1h 53m
Sat 10/310:30 am -
Nonstop1h 51m
Deal found 8/27![Alaska Airlines logo]()
$237
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:57 pm -
Nonstop1h 53m
Wed 10/710:30 am -
Nonstop1h 51m
Deal found 8/30![Alaska Airlines logo]()
$242
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.
Wed 9/307:20 am -
1 stop10h 33m
Sun 10/47:02 am -
Nonstop1h 30m
Deal found 8/27![Alaska Airlines logo]()
$225
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 9/305:59 pm -
1 stop5h 03m
Thu 10/15:49 pm -
1 stop3h 45m
Deal found 8/27![Delta logo]()
$237
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.
Fri 10/27:24 pm -
Nonstop1h 12m
Mon 10/510:30 am -
1 stop12h 20m
Deal found 8/31![Alaska Airlines logo]()
$245
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:19 am -
1 stop6h 31m
Tue 10/2710:30 am -
2 stops6h 25m
Deal found 8/30![Alaska Airlines logo]()
$218
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 September 1, 2026.
Search for one-way flight options from Idaho to Portland. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:40 am -
1 stop4h 45m
Deal found 8/31![Southwest logo]()
$109
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 10/77:19 am -
1 stop9h 32m
Deal found 8/28![Alaska Airlines logo]()
$112
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 10/141:25 pm -
2 stops9h 55m
Deal found 8/28![Southwest logo]()
$114
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 am -
1 stop12h 17m
Deal found 8/28![Alaska Airlines logo]()
$117
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:50 pm -
1 stop21h 50m
Deal found 8/28![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 10/165:59 pm -
1 stop4h 57m
Deal found 8/27![Delta logo]()
$119
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:50 pm -
1 stop22h 04m
Deal found 8/30![Frontier logo]()
$121
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:00 pm -
1 stop4h 10m
Deal found 8/28![Delta logo]()
$129
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:55 am -
1 stop3h 51m
Deal found 8/31![Delta logo]()
$131
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:27 pm -
Nonstop1h 18m
Deal found 8/31![Alaska Airlines logo]()
$133
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/132:50 pm -
1 stop22h 04m
Deal found 8/30![Frontier logo]()
$134
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop3h 50m
Deal found 8/31![Delta logo]()
$134
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 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 (Southwest) |
Popular in | June |
Cheapest in | December |
Average price | $282 |
Good round-trip deal | $257 or less |
Good one-way deal | $178 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 September 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
Quickest round-trip
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sat 10/31
5:59 am-6:20 am
Nonstop1h 21m
Portland
Wed 11/4
10:35 am-12:57 pm
Nonstop1h 22m
$207
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 10/7
5:59 pm-9:56 pm
1 stop4h 57m
Portland
Tue 10/13
12:29 pm-6:33 pm
1 stop5h 04m
$217
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Tue 10/27
9:12 am-9:33 am
Nonstop1h 21m
Portland
Sun 11/1
10:35 am-12:57 pm
Nonstop1h 22m
$217
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Tue 10/27
6:45 am-10:45 am
1 stop5h 00m
Portland
Wed 11/4
12:29 pm-6:33 pm
1 stop5h 04m
$217
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Wed 10/7
7:00 am-1:00 pm
1 stop7h 00m
Portland
Wed 10/14
12:20 pm-11:15 pm
2 stops9h 55m
$222
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Tue 10/27
6:45 am-11:49 am
1 stop6h 04m
Portland
Mon 11/2
11:25 am-6:33 pm
1 stop6h 08m
$227
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Fri 11/13
5:57 pm-9:57 pm
1 stop5h 00m
Portland
Sun 11/15
7:00 am-11:33 am
1 stop3h 33m
$237
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Sun 10/18
7:13 pm-9:56 pm
1 stop3h 43m
Portland
Mon 10/19
5:49 pm-10:08 pm
1 stop3h 19m
$237
BoisePortland
BOI Boise Air Term. Gowen Fld - PDX Portland
BOIPDX
Boise Air Term. Gowen Fld
Fri 10/9
7:37 pm-9:31 am
1 stop14h 54m
Portland
Sun 10/11
10:44 am-1:10 pm
Nonstop1h 26m
$242
SpokanePortland
GEG Spokane - PDX Portland
GEGPDX
Spokane
Fri 10/30
5:38 pm-9:56 pm
1 stop4h 18m
Portland
Sun 11/1
5:30 am-8:50 am
1 stop3h 20m
$277
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
GEG-PDX
IDA-PDX
SUN-PDX
JAC-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
GEG-PDX
IDA-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 $231). 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 September 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 31% versus a flight in the morning.
Weekly flight availability from Idaho to Portland
Explore weekly flight availability from Idaho to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 1, 2026.
The most flights from USID to PDX are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
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 $237 and $478 in October.The cheapest round-trip price found within the last 5 days was $207 on Alaska Airlines (Oct 7-Oct 13).
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 August 29, 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
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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.
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Alternative routes for Idaho to Portland
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Complete your trip
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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 September 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 September 1, 2026.
Idaho to Portland flights
Consider these flights traveling from Idaho to Portland.
Top 4 airlines flying from Idaho to Portland
Discover the top 4 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 September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$119 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$117 | Average$295 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$118 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$340 | FlexibilityNo cancel fee | On-time75% |