$49+ Cheap flights from Portland (PDX) to Idaho
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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Apr 14 — Apr 211
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 March 15, 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 March 15, 2026.
This Gotogate deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 6/196:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 3/12![Allegiant Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/133:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 3/11![Allegiant Air logo]()
$108
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/112:48 pm
PDX
- BOI
Nonstop1h 22m
Alaska Airlines
Wed 4/158:26 pm
BOI
- PDX
Nonstop1h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/175:00 am
PDX
- BOI
1 stop3h 55m
Southwest
Tue 5/195:00 pm
BOI
- PDX
1 stop6h 25m
Southwest
Deal found 3/10![Southwest logo]()
$154
This Expedia deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/2210:30 am
PDX
- GEG
Nonstop1h 16m
Alaska Airlines
Sat 4/255:05 am
GEG
- PDX
Nonstop1h 11m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/25:36 pm
PDX
- BOI
1 stop5h 10m
Delta
Tue 4/75:52 am
BOI
- PDX
1 stop3h 42m
Delta
Deal found 3/12![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 5/46:00 am
PDX
- BOI
2 stops8h 40m
Southwest
Wed 5/66:40 am
BOI
- PDX
2 stops8h 00m
Southwest
Deal found 3/12![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/812:45 pm
PDX
- BOI
1 stop9h 35m
Southwest
Wed 4/157:05 am
BOI
- PDX
1 stop7h 35m
Southwest
Deal found 3/11![Southwest logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/267:19 am
PDX
- GEG
Nonstop1h 21m
Alaska Airlines
Sun 5/35:00 am
GEG
- PDX
1 stop4h 31m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/42:48 pm
PDX
- BOI
Nonstop1h 22m
Alaska Airlines
Sat 4/48:26 pm
BOI
- PDX
Nonstop1h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/25:30 am
PDX
- GEG
1 stop3h 20m
Delta
Sun 4/56:15 am
GEG
- PDX
1 stop3h 47m
Delta
Deal found 3/11![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/105:36 pm
PDX
- BOI
1 stop3h 28m
Delta
Mon 4/138:40 pm
BOI
- PDX
1 stop4h 16m
Delta
Deal found 3/10![Delta logo]()
$177
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 March 15, 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 March 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/117:00 am
PDX
- BOI
Nonstop1h 15m
Alaska Airlines
Wed 4/154:23 pm
BOI
- PDX
Nonstop1h 22m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/55:30 am
PDX
- BOI
1 stop11h 25m
Southwest
Mon 4/67:25 pm
BOI
- PDX
1 stop7h 00m
Southwest
Deal found 3/12![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/75:30 am
PDX
- GEG
1 stop3h 20m
Delta
Tue 4/141:07 pm
GEG
- PDX
1 stop4h 03m
Delta
Deal found 3/10![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/95:00 am
PDX
- JAC
1 stop7h 21m
United Airlines
Thu 4/164:15 pm
JAC
- PDX
1 stop7h 39m
United Airlines
Deal found 3/11![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/46:00 am
PDX
- BOI
2 stops8h 40m
Southwest
Tue 5/52:00 pm
BOI
- PDX
2 stops7h 30m
Southwest
Deal found 3/14![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/610:30 am
PDX
- GEG
Nonstop1h 16m
Alaska Airlines
Sat 5/95:00 am
GEG
- PDX
1 stop5h 56m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/318:05 pm
PDX
- GEG
1 stop3h 58m
Delta
Thu 4/25:00 am
GEG
- PDX
1 stop3h 34m
Delta
Deal found 3/10![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/71:52 pm
PDX
- BOI
1 stop9h 07m
Alaska Airlines
Mon 5/188:28 pm
BOI
- PDX
Nonstop1h 22m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/55:30 am
PDX
- GEG
1 stop3h 20m
Delta
Thu 4/96:15 am
GEG
- PDX
1 stop3h 47m
Delta
Deal found 3/12![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/89:40 pm
PDX
- BOI
Nonstop1h 19m
Alaska Airlines
Sun 5/106:00 am
BOI
- PDX
1 stop4h 31m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/2712:45 pm
PDX
- BOI
1 stop9h 35m
Southwest
Thu 5/287:55 pm
BOI
- PDX
1 stop6h 00m
Southwest
Deal found 3/10![Southwest logo]()
$205
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/111:39 pm
PDX
- BOI
1 stop5h 14m
United Airlines
Wed 4/159:26 am
BOI
- PDX
1 stop6h 04m
United Airlines
Deal found 3/10![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/227:32 pm
PDX
- GEG
1 stop3h 43m
Delta
Fri 4/246:15 am
GEG
- PDX
1 stop3h 43m
Delta
Deal found 3/11![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/267:19 am
PDX
- GEG
Nonstop1h 21m
Alaska Airlines
Sun 5/38:34 am
GEG
- PDX
Nonstop1h 14m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/81:55 pm
PDX
- BOI
1 stop3h 48m
Delta
Fri 4/104:43 pm
BOI
- PDX
1 stop5h 16m
Delta
Deal found 3/14![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/510:30 am
PDX
- GEG
Nonstop1h 16m
Alaska Airlines
Fri 5/158:38 pm
GEG
- PDX
1 stop13h 09m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/159:05 am
PDX
- BOI
1 stop6h 09m
Delta
Thu 4/168:40 pm
BOI
- PDX
1 stop4h 16m
Delta
Deal found 3/14![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/165:00 am
PDX
- JAC
1 stop7h 21m
United Airlines
Sun 4/192:35 pm
JAC
- PDX
1 stop7h 39m
United Airlines
Deal found 3/12![United Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/182:37 pm
PDX
- GEG
1 stop8h 15m
Alaska Airlines
Wed 4/2212:40 pm
GEG
- PDX
Nonstop1h 13m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$220
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Tue 3/317:15 am
PDX
- JAC
1 stop5h 41m
United Airlines
Sat 4/43:20 pm
JAC
- PDX
1 stop6h 28m
United Airlines
Deal found 3/10![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Tue 5/261:14 pm
PDX
- JAC
1 stop7h 31m
United Airlines
Thu 5/281:42 pm
JAC
- PDX
1 stop5h 02m
United Airlines
Deal found 3/10![United Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/98:45 am
PDX
- IDA
1 stop12h 55m
Alaska Airlines
Tue 5/126:00 am
IDA
- PDX
1 stop4h 31m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/259:59 am
PDX
- JAC
1 stop5h 48m
Delta
Thu 4/25:50 pm
JAC
- PDX
1 stop7h 04m
Delta
Deal found 3/10![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/135:00 am
PDX
- JAC
1 stop7h 21m
United Airlines
Mon 4/204:15 pm
JAC
- PDX
1 stop5h 59m
United Airlines
Deal found 3/14![United Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 5/47:05 am
PDX
- JAC
2 stops8h 08m
Delta
Thu 5/71:15 pm
JAC
- PDX
1 stop3h 45m
Delta
Deal found 3/11![Delta logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/116:00 am
PDX
- SUN
1 stop4h 18m
Alaska Airlines
Wed 4/1512:00 pm
SUN
- PDX
2 stops9h 35m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/85:45 am
PDX
- TWF
1 stop4h 07m
Delta
Wed 4/153:25 pm
TWF
- PDX
1 stop3h 43m
Delta
Deal found 3/11![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/109:30 pm
PDX
- IDA
2 stops24h 22m
Alaska Airlines
Fri 4/174:59 pm
IDA
- PDX
1 stop16h 11m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/25:45 am
PDX
- TWF
1 stop4h 07m
Delta
Tue 4/76:15 am
TWF
- PDX
1 stop3h 49m
Delta
Deal found 3/12![Delta logo]()
$396
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/65:45 am
PDX
- SUN
1 stop5h 09m
Delta
Fri 4/103:30 pm
SUN
- PDX
1 stop3h 52m
Delta
Deal found 3/12![Delta logo]()
$409
Last-minute flights from Portland to IdahoDiscover last-minute flight deals from Portland to Idaho. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Idaho. Data last updated March 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/21:55 pm
PDX
- BOI
1 stop3h 48m
Delta
Wed 4/810:35 am
BOI
- PDX
1 stop3h 36m
Delta
Deal found 3/12![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/25:30 am
PDX
- GEG
1 stop3h 20m
Delta
Sun 4/56:15 am
GEG
- PDX
1 stop3h 47m
Delta
Deal found 3/12![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/27:00 am
PDX
- BOI
Nonstop1h 15m
Alaska Airlines
Wed 4/82:18 pm
BOI
- PDX
1 stop3h 36m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/42:48 pm
PDX
- BOI
Nonstop1h 22m
Alaska Airlines
Sat 4/48:26 pm
BOI
- PDX
Nonstop1h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/812:45 pm
PDX
- BOI
2 stops10h 40m
Southwest
Wed 4/156:00 am
BOI
- PDX
2 stops8h 40m
Southwest
Deal found 3/11![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/105:36 pm
PDX
- BOI
1 stop3h 28m
Delta
Mon 4/138:40 pm
BOI
- PDX
1 stop4h 16m
Delta
Deal found 3/10![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/112:48 pm
PDX
- BOI
Nonstop1h 22m
Alaska Airlines
Wed 4/158:26 pm
BOI
- PDX
Nonstop1h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$137
This CheapOair deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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.
Sat 4/187:00 am
PDX
- BOI
Nonstop1h 15m
Alaska Airlines
Sat 4/256:00 am
BOI
- PDX
1 stop4h 31m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$182
This Expedia deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/2210:30 am
PDX
- GEG
Nonstop1h 16m
Alaska Airlines
Sat 4/255:05 am
GEG
- PDX
Nonstop1h 11m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/239:40 pm
PDX
- BOI
Nonstop1h 19m
Alaska Airlines
Sat 4/256:00 am
BOI
- PDX
1 stop4h 31m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/246:05 pm
PDX
- GEG
1 stop2h 57m
Delta
Mon 4/277:38 pm
GEG
- PDX
1 stop4h 18m
Delta
Deal found 3/10![Delta logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/267:19 am
PDX
- GEG
Nonstop1h 21m
Alaska Airlines
Sun 5/35:00 am
GEG
- PDX
1 stop4h 31m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$172
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 March 15, 2026.
Search for one-way flight options from Portland to Idaho. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Mytrip deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 3/12![Allegiant Air logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 3/10![Allegiant Air logo]()
$72
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/152:35 pm
PDX
- BOI
1 stop7h 55m
Southwest
Deal found 3/11![Southwest logo]()
$79
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/25:30 am
PDX
- GEG
1 stop3h 20m
Delta
Deal found 3/11![Delta logo]()
$89
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/35:30 am
PDX
- BOI
1 stop4h 36m
United Airlines
Deal found 3/11![United Airlines logo]()
$89
This CheapOair deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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.
Wed 4/1512:28 pm
PDX
- BOI
1 stop21h 40m
Frontier
Deal found 3/15![Frontier logo]()
$102
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/205:51 pm
PDX
- BOI
1 stop5h 04m
Delta
Deal found 3/13![Delta logo]()
$104
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/45:36 pm
PDX
- GEG
1 stop5h 14m
Delta
Deal found 3/14![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/75:45 am
PDX
- JAC
1 stop5h 25m
Delta
Deal found 3/11![Delta logo]()
$119
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/15:30 am
PDX
- GEG
1 stop3h 20m
Delta
Deal found 3/10![Delta logo]()
$120
This Mytrip deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- GEG
1 stop17h 52m
Frontier
Deal found 3/11![Frontier logo]()
$122
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 6/88:35 am
PDX
- BOI
1 stop7h 09m
United Airlines
Deal found 3/12![United Airlines logo]()
$122
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 March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $106 (Gotogate) |
One-way from | $49 (Mytrip) |
Popular in | January |
Cheapest in | April |
Average price | $318 |
Good round-trip deal | $88 or less |
Good one-way deal | $213 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 2,558,603 searches. Data last updated March 15, 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 - BOI
PDXBOI
Portland
Sat 4/11
7:00 am-9:15 am
Nonstop1h 15m
Boise Air Term. Gowen Fld
Wed 4/15
4:23 pm-4:45 pm
Nonstop1h 22m
$137
PortlandBoise
PDX - BOI
PDXBOI
Portland
Sun 4/5
5:30 am-5:55 pm
1 stop11h 25m
Boise Air Term. Gowen Fld
Mon 4/6
7:25 pm-1:25 am
1 stop7h 00m
$162
PortlandBoise
PDX - BOI
PDXBOI
Portland
Mon 5/4
6:00 am-3:40 pm
2 stops8h 40m
Boise Air Term. Gowen Fld
Tue 5/5
2:00 pm-8:30 pm
2 stops7h 30m
$167
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Wed 5/6
10:30 am-11:46 am
Nonstop1h 16m
Spokane
Sat 5/9
5:00 am-10:56 am
1 stop5h 56m
$172
PortlandBoise
PDX - BOI
PDXBOI
Portland
Thu 5/7
1:52 pm-11:59 pm
1 stop9h 07m
Boise Air Term. Gowen Fld
Mon 5/18
8:28 pm-8:50 pm
Nonstop1h 22m
$181
PortlandBoise
PDX - BOI
PDXBOI
Portland
Fri 5/8
9:40 pm-11:59 pm
Nonstop1h 19m
Boise Air Term. Gowen Fld
Sun 5/10
6:00 am-9:31 am
1 stop4h 31m
$181
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Tue 4/7
5:30 am-8:50 am
1 stop3h 20m
Spokane
Tue 4/14
1:07 pm-5:10 pm
1 stop4h 03m
$197
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Tue 3/31
8:05 pm-12:03 am
1 stop3h 58m
Spokane
Thu 4/2
5:00 am-8:34 am
1 stop3h 34m
$197
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Sun 4/5
5:30 am-8:50 am
1 stop3h 20m
Spokane
Thu 4/9
6:15 am-10:02 am
1 stop3h 47m
$197
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Wed 4/22
7:32 pm-11:15 pm
1 stop3h 43m
Spokane
Fri 4/24
6:15 am-9:58 am
1 stop3h 43m
$197
Showing 1-10 of 60 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-GEG
PDX-JAC
PDX-IDA
PDX-SUN
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-GEG
PDX-JAC
PDX-IDA
What is the cheapest month to book a flight from Portland to Idaho?
Currently, July is the cheapest month in which you can book a flight from Portland to Idaho (average of $44). Flying from Portland to Idaho in January is currently the most expensive (average of $144). 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 March 15, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Portland to Idaho by exploring options for tickets at noon.
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 March 14, 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. Monday evenings 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 March 15, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines 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.
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
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 March 15, 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 2,558,603 searches. Data last updated March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$98 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$136 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$382 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$138 | Average$327 | FlexibilityNo cancel fee | On-time85% |