$36+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Jul 15 — Jul 221
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 June 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 June 15, 2026.
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/133:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$80
This Gotogate deal was found by Cheapflights users on 6/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/203:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$82
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/203:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/2412:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/273:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$106
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/296:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$110
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 7/243:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$112
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/226:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$134
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:25 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 8/103:55 pm
IDA
- PDX
Nonstop1h 41m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/293:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 7/33:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$167
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/123:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/156:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 10/139:33 pm
PDX
- BOI
Nonstop1h 21m
Alaska Airlines
Sat 10/174:17 pm
BOI
- PDX
Nonstop1h 24m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$197
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 6/266:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$206
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 June 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 June 15, 2026.
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:25 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 8/103:55 pm
IDA
- PDX
Nonstop1h 41m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:47 am
PDX
- BOI
Nonstop1h 34m
Alaska Airlines
Tue 9/19:00 am
BOI
- PDX
Nonstop1h 24m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/197:00 am
PDX
- BOI
1 stop7h 31m
United Airlines
Sat 8/227:05 pm
BOI
- PDX
1 stop4h 40m
United Airlines
Deal found 6/10![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 6/14. 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.
Thu 8/275:15 pm
PDX
- BOI
1 stop4h 35m
Southwest
Sat 8/296:10 am
BOI
- PDX
1 stop5h 30m
Southwest
Deal found 6/14![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 6/14. 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 8/229:29 am
PDX
- GEG
1 stop5h 50m
Delta
Sat 8/295:15 am
GEG
- PDX
1 stop5h 27m
Delta
Deal found 6/14![Delta logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 8/712:25 pm
PDX
- IDA
Nonstop1h 40m
Multiple Airlines
Mon 8/104:55 pm
IDA
- PDX
3 stops24h 36m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 6/10. 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 8/1911:35 am
PDX
- BOI
2 stops9h 50m
Southwest
Sat 8/227:45 am
BOI
- PDX
2 stops9h 35m
Southwest
Deal found 6/10![Southwest logo]()
$229
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/197:03 am
PDX
- BOI
1 stop14h 24m
Alaska Airlines
Sat 8/226:00 am
BOI
- PDX
Nonstop1h 20m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/128:45 am
PDX
- GEG
Nonstop1h 11m
Alaska Airlines
Wed 9/162:02 pm
GEG
- PDX
1 stop6h 48m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/257:05 am
PDX
- GEG
1 stop3h 43m
Delta
Sun 8/25:25 am
GEG
- PDX
1 stop3h 10m
Delta
Deal found 6/11![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/293:43 pm
PDX
- BOI
1 stop4h 41m
United Airlines
Tue 9/17:05 pm
BOI
- PDX
1 stop4h 40m
United Airlines
Deal found 6/12![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/105:00 am
PDX
- BOI
1 stop5h 25m
Southwest
Sat 7/116:05 am
BOI
- PDX
1 stop5h 05m
Southwest
Deal found 6/11![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 6/13. 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.
Sun 7/57:20 am
PDX
- GEG
1 stop3h 14m
Delta
Wed 7/224:30 pm
GEG
- PDX
1 stop3h 32m
Delta
Deal found 6/13![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/76:20 am
PDX
- GEG
1 stop4h 41m
Alaska Airlines
Sat 9/1212:49 pm
GEG
- PDX
Nonstop1h 11m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 7/1112:23 pm
PDX
- GEG
1 stop3h 24m
Delta
Sat 7/187:00 am
GEG
- PDX
1 stop3h 35m
Delta
Deal found 6/13![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:30 pm
PDX
- GEG
Nonstop1h 11m
Alaska Airlines
Mon 7/275:00 am
GEG
- PDX
Nonstop1h 10m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/105:00 am
PDX
- BOI
1 stop5h 25m
Southwest
Mon 7/133:25 pm
BOI
- PDX
2 stops10h 10m
Southwest
Deal found 6/11![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 6/13. 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.
Fri 7/315:30 am
PDX
- GEG
1 stop3h 02m
Delta
Sun 8/27:00 am
GEG
- PDX
1 stop4h 41m
Delta
Deal found 6/13![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/239:50 pm
PDX
- GEG
Nonstop1h 09m
Alaska Airlines
Tue 7/2812:42 pm
GEG
- PDX
Nonstop1h 10m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/109:50 pm
PDX
- GEG
Nonstop1h 09m
Alaska Airlines
Sun 7/125:00 am
GEG
- PDX
Nonstop1h 10m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/35:50 pm
PDX
- BOI
1 stop3h 38m
Delta
Sun 7/57:53 pm
BOI
- PDX
1 stop5h 01m
Delta
Deal found 6/12![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 8/85:30 am
PDX
- BOI
1 stop3h 25m
Delta
Mon 8/1012:23 pm
BOI
- PDX
1 stop5h 51m
Delta
Deal found 6/13![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 8/2210:33 am
PDX
- GEG
Nonstop1h 19m
Alaska Airlines
Sat 8/2911:59 am
GEG
- PDX
1 stop4h 50m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 7/2112:23 pm
PDX
- BOI
1 stop5h 23m
Delta
Sun 7/266:07 pm
BOI
- PDX
1 stop4h 53m
Delta
Deal found 6/12![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Fri 8/79:30 pm
PDX
- BOI
Nonstop1h 18m
Alaska Airlines
Mon 8/105:57 am
BOI
- PDX
Nonstop1h 20m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 7/165:45 am
PDX
- TWF
1 stop4h 01m
Delta
Wed 7/223:25 pm
TWF
- PDX
1 stop3h 53m
Delta
Deal found 6/13![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Sat 7/259:00 am
LWS
- PDX
1 stop5h 48m
Delta
Deal found 6/15![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:30 am
PDX
- IDA
Nonstop1h 54m
Alaska Airlines
Thu 8/273:57 pm
IDA
- PDX
Nonstop1h 53m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/75:45 am
PDX
- TWF
1 stop4h 02m
Delta
Mon 8/103:26 pm
TWF
- PDX
1 stop3h 39m
Delta
Deal found 6/11![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:30 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Tue 7/144:14 pm
IDA
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$382
Last-minute flights from Portland to IdahoDiscover last-minute flight deals from Portland to Idaho. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Idaho. Data last updated June 15, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/226:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$134
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 6/266:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$206
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/296:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/293:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 7/33:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$167
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/133:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$80
This Gotogate deal was found by Cheapflights users on 6/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/203:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$82
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/203:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$86
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 7/243:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/2412:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/273:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/2412:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Thu 7/309:45 am
IDA
- PDX
1 stop9h 03m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/2712:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Thu 7/309:45 am
IDA
- PDX
1 stop9h 03m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$217
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 7/285:50 pm
PDX
- BOI
1 stop5h 45m
Southwest
Wed 7/2911:45 am
BOI
- PDX
1 stop5h 55m
Southwest
Deal found 6/11![Southwest logo]()
$227
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 June 15, 2026.
Search for one-way flight options from Portland to Idaho. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$36
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3112:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$37
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:25 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$59
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:25 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 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
Deal found 6/12![Allegiant Air logo]()
$97
This Super.com deal was found by Cheapflights users on 6/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$110
This Southwest deal was found by Cheapflights users on 6/10. 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 7/88:45 am
PDX
- BOI
1 stop4h 40m
Southwest
Deal found 6/10![Southwest logo]()
$114
This deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:20 am
PDX
- GEG
1 stop4h 41m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$119
This Priceline deal was found by Cheapflights users on 6/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:07 am
PDX
- BOI
1 stop6h 28m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$119
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $80 (Super.com) |
One-way from | $36 (Super.com) |
Popular in | June |
Cheapest in | April |
Average price | $352 |
Good round-trip deal | $82 or less |
Good one-way deal | $64 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 June 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
PortlandIdaho Falls
PDX - IDA
PDXIDA
Portland
Fri 8/7
12:25 pm-3:05 pm
Nonstop1h 40m
Idaho Falls Fanning Field
Mon 8/10
3:55 pm-4:36 pm
Nonstop1h 41m
$154
PortlandBoise
PDX - BOI
PDXBOI
Portland
Sat 8/29
10:47 am-1:21 pm
Nonstop1h 34m
Boise Air Term. Gowen Fld
Tue 9/1
9:00 am-9:24 am
Nonstop1h 24m
$207
PortlandBoise
PDX - BOI
PDXBOI
Portland
Wed 8/19
7:00 am-3:31 pm
1 stop7h 31m
Boise Air Term. Gowen Fld
Sat 8/22
7:05 pm-10:45 pm
1 stop4h 40m
$217
PortlandBoise
PDX - BOI
PDXBOI
Portland
Thu 8/27
5:15 pm-10:50 pm
1 stop4h 35m
Boise Air Term. Gowen Fld
Sat 8/29
6:10 am-10:40 am
1 stop5h 30m
$227
PortlandBoise
PDX - BOI
PDXBOI
Portland
Wed 8/19
11:35 am-10:25 pm
2 stops9h 50m
Boise Air Term. Gowen Fld
Sat 8/22
7:45 am-4:20 pm
2 stops9h 35m
$229
PortlandBoise
PDX - BOI
PDXBOI
Portland
Wed 8/19
7:03 am-10:27 pm
1 stop14h 24m
Boise Air Term. Gowen Fld
Sat 8/22
6:00 am-6:20 am
Nonstop1h 20m
$237
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Sat 8/22
9:29 am-3:19 pm
1 stop5h 50m
Spokane
Sat 8/29
5:15 am-10:42 am
1 stop5h 27m
$247
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Sat 9/12
8:45 am-9:56 am
Nonstop1h 11m
Spokane
Wed 9/16
2:02 pm-8:50 pm
1 stop6h 48m
$247
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Mon 9/7
6:20 am-11:01 am
1 stop4h 41m
Spokane
Sat 9/12
12:49 pm-2:00 pm
Nonstop1h 11m
$267
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Mon 7/20
2:30 pm-3:41 pm
Nonstop1h 11m
Spokane
Mon 7/27
5:00 am-6:10 am
Nonstop1h 10m
$267
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-IDA
PDX-BOI
PDX-GEG
PDX-JAC
PDX-TWF
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-IDA
PDX-BOI
PDX-GEG
PDX-JAC
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 $39). Flying from Portland to Idaho in January is currently the most expensive (average of $131). 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 June 15, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 24% on flights from Portland to Idaho by exploring options for tickets in the afternoon.
Weekly flight availability from Portland to Idaho
Explore weekly flight availability from Portland to Idaho. 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 June 15, 2026.
The most flights from PDX to USID are scheduled on a Tuesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Portland to Idaho?
How far ahead should I book a flight from Portland to Idaho?
The best time to book flights from Portland to Idaho is 65 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 June 13, 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. Saturday 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 June 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.
Food
7.1
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.1
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.1
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.1
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.1
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
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 June 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$107 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$83 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$308 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$353 | FlexibilityNo cancel fee | On-time75% |