$69+ Cheap flights from Portland (PDX) to Idaho
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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Cheapest flights from Portland to IdahoExplore the most affordable flight options available from Portland to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Portland to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 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 12/93:35 pm -
1 stop5h 20m
Wed 12/166:40 pm -
1 stop3h 50m
Deal found 10/30![Southwest logo]()
$137
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.
Thu 12/102:15 pm -
1 stop3h 23m
Mon 12/146:45 pm -
1 stop6h 14m
Deal found 10/29![Delta logo]()
$177
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.
Fri 12/181:10 pm -
1 stop6h 00m
Sun 12/209:15 am -
1 stop7h 35m
Deal found 10/29![Southwest logo]()
$202
This Travelocity deal was found by Cheapflights users on 10/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:23 am -
1 stop6h 37m
Tue 12/14:10 pm -
1 stop5h 44m
Deal found 10/27![Multiple Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 10/27. 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 11/174:10 pm -
1 stop5h 40m
Wed 11/186:40 pm -
1 stop3h 50m
Deal found 10/27![Southwest logo]()
$221
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/510:30 am -
1 stop10h 57m
Sun 12/64:47 pm -
1 stop18h 03m
Deal found 10/27![Alaska Airlines logo]()
$223
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:30 am -
1 stop10h 57m
Wed 12/164:20 pm -
Nonstop1h 28m
Deal found 10/30![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.
Wed 12/235:53 pm -
Nonstop1h 19m
Sat 12/265:35 am -
Nonstop1h 36m
Deal found 10/29![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/910:30 am -
Nonstop1h 47m
Mon 12/143:44 pm -
Nonstop2h 04m
Deal found 10/25![Alaska Airlines logo]()
$252
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 12/410:30 am -
Nonstop1h 47m
Mon 12/73:44 pm -
Nonstop2h 04m
Deal found 10/29![Alaska Airlines logo]()
$257
This Expedia deal was found by Cheapflights users on 10/27. 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.
Tue 12/2210:30 am -
Nonstop1h 45m
Tue 12/296:00 am -
1 stop4h 32m
Deal found 10/27![Alaska Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/244:00 pm -
1 stop6h 45m
Wed 12/306:00 am -
1 stop4h 32m
Deal found 10/27![Alaska Airlines logo]()
$272
Best flights from Portland to IdahoDiscover carefully curated flight deals from Portland to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Portland to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/239:38 pm -
Nonstop1h 21m
Sat 12/265:35 am -
Nonstop1h 36m
Deal found 10/27![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 am -
1 stop4h 30m
Tue 11/175:45 am -
2 stops8h 40m
Deal found 10/26![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/25:34 pm -
1 stop3h 52m
Thu 12/31:17 pm -
2 stops11h 22m
Deal found 10/26![Delta logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/37:59 pm -
1 stop16h 21m
Sun 12/64:47 pm -
1 stop18h 03m
Deal found 10/25![Alaska Airlines logo]()
$243
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 12/410:30 am -
Nonstop1h 47m
Mon 12/73:44 pm -
Nonstop2h 04m
Deal found 10/29![Alaska Airlines logo]()
$257
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 11/1410:20 am -
1 stop6h 55m
Wed 11/181:05 pm -
1 stop6h 00m
Deal found 10/28![Southwest logo]()
$309
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 12/710:30 am -
1 stop3h 56m
Wed 12/912:56 pm -
1 stop4h 52m
Deal found 10/29![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/97:32 pm -
1 stop3h 14m
Thu 1/144:47 pm -
1 stop4h 53m
Deal found 10/26![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/27. 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.
Mon 11/163:35 pm -
1 stop5h 20m
Wed 11/186:40 pm -
1 stop3h 50m
Deal found 10/27![Southwest logo]()
$314
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 11/277:13 am -
Nonstop1h 21m
Fri 12/44:47 pm -
1 stop27h 11m
Deal found 10/29![Alaska Airlines logo]()
$299
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.
Sat 2/276:40 am -
2 stops7h 14m
Sat 3/61:40 pm -
1 stop6h 23m
Deal found 10/29![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 11/185:45 am -
1 stop5h 30m
Sun 11/221:11 pm -
2 stops6h 44m
Deal found 10/26![Delta logo]()
$472
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.
Thu 11/1910:30 am -
1 stop3h 57m
Sun 11/225:40 am -
Nonstop1h 32m
Deal found 10/30![Alaska Airlines logo]()
$323
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.
Sat 11/145:24 pm -
1 stop3h 23m
Wed 11/186:04 am -
1 stop3h 54m
Deal found 10/29![Delta logo]()
$537
This Expedia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/44:00 pm -
1 stop6h 45m
Thu 1/73:58 pm -
Nonstop1h 52m
Deal found 10/25![Alaska Airlines logo]()
$395
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:45 am -
1 stop5h 31m
Mon 11/306:04 am -
1 stop3h 54m
Deal found 10/28![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 10/27. 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 11/275:45 am -
1 stop5h 36m
Fri 12/41:17 pm -
1 stop4h 20m
Deal found 10/27![Delta logo]()
$568
This Orbitz deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:00 am -
2 stops10h 05m
Wed 1/272:53 pm -
1 stop6h 37m
Deal found 10/25![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 11/185:30 pm -
2 stops20h 48m
Sun 11/223:46 pm -
Nonstop1h 54m
Deal found 10/26![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/105:45 am -
1 stop5h 36m
Sat 11/141:17 pm -
1 stop4h 12m
Deal found 10/26![Delta logo]()
$648
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 2/275:00 am -
1 stop12h 08m
Sat 3/610:20 am -
1 stop4h 30m
Deal found 10/29![Alaska Airlines logo]()
$443
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.
Wed 12/235:38 pm -
1 stop5h 07m
Tue 12/293:55 pm -
Nonstop2h 00m
Deal found 10/29![Alaska Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/95:24 pm -
1 stop3h 55m
Fri 11/131:17 pm -
2 stops6h 38m
Deal found 10/25![Delta logo]()
$680
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 12/1610:30 am -
Nonstop1h 47m
Fri 12/181:52 pm -
1 stop20h 40m
Deal found 10/28![Alaska Airlines logo]()
$470
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:45 am -
1 stop5h 40m
Thu 12/101:17 pm -
1 stop4h 20m
Deal found 10/28![Delta logo]()
$788
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 12/711:57 am -
2 stops22h 12m
Thu 12/1011:51 am -
2 stops33h 51m
Deal found 10/29![Alaska Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 11/95:24 pm -
1 stop3h 55m
Mon 11/161:17 pm -
1 stop4h 12m
Deal found 10/26![Delta logo]()
$828
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.
Fri 12/187:09 am -
1 stop25h 52m
Wed 12/236:47 pm -
1 stop23h 03m
Deal found 10/28![Alaska Airlines logo]()
$518
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.
Mon 11/95:24 pm -
1 stop3h 23m
Tue 11/106:04 am -
1 stop3h 54m
Deal found 10/29![Delta logo]()
$965
Last-minute flights from Portland to IdahoDiscover last-minute flight deals from Portland to Idaho. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Idaho. Data last updated October 30, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 am -
1 stop4h 30m
Tue 11/173:30 pm -
1 stop7h 50m
Deal found 10/26![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/159:09 am -
2 stops8h 08m
Sun 11/226:57 pm -
1 stop5h 54m
Deal found 10/25![Delta logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/1610:34 am -
1 stop25h 56m
Tue 11/176:43 pm -
1 stop16h 00m
Deal found 10/26![Alaska Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:40 pm -
1 stop6h 53m
Wed 11/187:10 pm -
1 stop4h 47m
Deal found 10/26![United Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/165:52 pm -
1 stop25h 01m
Wed 11/186:43 pm -
1 stop16h 00m
Deal found 10/25![Alaska Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 10/27. 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 11/174:10 pm -
1 stop5h 40m
Wed 11/186:40 pm -
1 stop3h 50m
Deal found 10/27![Southwest logo]()
$221
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:31 am -
Nonstop1h 45m
Sun 11/226:02 am -
1 stop4h 41m
Deal found 10/26![Alaska Airlines logo]()
$457
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:58 pm -
1 stop28h 02m
Sun 11/227:55 pm -
1 stop17h 41m
Deal found 10/27![Frontier logo]()
$244
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:58 pm -
1 stop28h 02m
Tue 11/247:55 pm -
1 stop14h 37m
Deal found 10/30![Frontier logo]()
$258
This Travelocity deal was found by Cheapflights users on 10/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:23 am -
1 stop6h 37m
Tue 12/14:10 pm -
1 stop5h 44m
Deal found 10/27![Multiple Airlines logo]()
$215
This Priceline deal was found by Cheapflights users on 10/27. 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.
Thu 11/262:30 pm -
Nonstop1h 13m
Thu 12/35:47 am -
Nonstop1h 31m
Deal found 10/27![Alaska Airlines logo]()
$247
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.
Fri 11/275:45 am -
1 stop5h 30m
Fri 12/46:59 pm -
1 stop6h 00m
Deal found 10/30![Delta logo]()
$428
One-way flights from Portland to IdahoSearch for one-way flight options from Portland to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Portland to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
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.
Fri 2/263:40 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$69
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:51 pm -
1 stop6h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:48 pm -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$104
This Southwest deal was found by Cheapflights users on 10/27. 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 11/177:30 am -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$111
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:58 pm -
1 stop28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$120
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 12/242:52 pm -
1 stop6h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$122
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.
Tue 12/17:30 am -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$124
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:32 pm -
1 stop5h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$128
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:15 am -
Nonstop1h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$130
This Priceline deal was found by Cheapflights users on 10/27. 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 1/1310:31 am -
1 stop3h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 10/27. 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.
Sun 12/201:10 pm -
1 stop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$134
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.
Thu 12/178:21 am -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$139
Find flight deals from Portland to Idaho
Keep the following information in mind while searching for Portland to Idaho flight deals. Data was last updated October 30, 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 | July |
Cheapest in | April |
Average price | $357 |
Good round-trip deal | $307 or less |
Good one-way deal | $208 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Idaho 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 30, 2026.
Use the filters below to find and compare flights from Portland to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Fri 2/26
3:40 pm-11:30 pm
1 stop6h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
PortlandIdaho Falls
PDX Portland - IDA Idaho Falls Fanning Field
PDXIDA
Portland
Wed 1/13
8:30 am-3:21 pm
1 stop5h 51m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 12/24
8:21 am-3:27 pm
1 stop6h 06m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Sun 12/20
1:10 pm-8:10 pm
1 stop6h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 11/26
10:54 am-3:28 pm
1 stop3h 34m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
Quickest round-trip
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Sat 12/19
2:30 pm-4:44 pm
Nonstop1h 14m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$144
PortlandIdaho Falls
PDX Portland - IDA Idaho Falls Fanning Field
PDXIDA
Portland
Wed 1/13
9:45 am-6:19 pm
2 stops7h 34m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
PortlandBoise
PDX Portland - BOI Boise Air Term. Gowen Fld
PDXBOI
Portland
Thu 12/31
9:38 pm-11:59 pm
Nonstop1h 21m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
PortlandIdaho Falls
PDX Portland - IDA Idaho Falls Fanning Field
PDXIDA
Portland
Tue 12/1
10:30 am-1:17 pm
Nonstop1h 47m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$159
PortlandIdaho Falls
PDX Portland - IDA Idaho Falls Fanning Field
PDXIDA
Portland
Thu 12/17
10:30 am-1:15 pm
Nonstop1h 45m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$159
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Portland to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Portland with our price prediction graph.
PDX-BOI
PDX-IDA
PDX-TWF
PDX-SUN
PDX-PIH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Idaho
PDX-USID
PDX-BOI
PDX-IDA
PDX-TWF
PDX-SUN
What is the cheapest month to book a flight from Portland to Idaho?
Currently, February is the cheapest month in which you can book a flight from Portland to Idaho (average of $221). Flying from Portland to Idaho in October is currently the most expensive (average of $364). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PDX to ID?
Find hourly flight availability from Portland to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Portland to Idaho by exploring options for tickets in the afternoon.
How much does it cost to fly round-trip from Portland to Idaho?
Airfare is below average for this route at the moment.
Portland to Idaho flights typically cost between $258 and $398 in December.The cheapest round-trip price found within the last 5 days was $137 on Southwest (Dec 9-Dec 16).
How far ahead should I book a flight from Portland to Idaho?
The best time to book flights from Portland to Idaho is 73 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 Portland to Idaho?
Use this chart to determine the cheapest time to fly round-trip from Portland to Idaho. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Portland to Idaho flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Portland to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Idaho
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Complete your trip
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Search flights from Portland to Idaho by cabin class
Find flights from Portland to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Idaho flights
Browse other Portland and Idaho flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Idaho flights
Consider these flights traveling from Portland to Idaho.
Top 4 airlines flying from Portland to Idaho
Discover the top 4 airlines that operate flights from Portland to Idaho. 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$107 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$136 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$377 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$154 | Average$277 | FlexibilityNo cancel fee | On-time63% |