$71+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Jul 6 — Jul 131
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 6, 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 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/203:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$75
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/2![Allegiant Air logo]()
$85
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/3112:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 8/33:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/4![Allegiant Air logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/4![Allegiant Air logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/153:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 6/196:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 7/243:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/153:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/226:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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
Fri 7/243:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/4![Allegiant Air logo]()
$110
This CheapOair deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Tue 10/132:45 pm
PDX
- BOI
Nonstop1h 22m
Alaska Airlines
Sat 10/171:29 pm
BOI
- PDX
Nonstop1h 21m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:49 am
PDX
- BOI
Nonstop1h 31m
Alaska Airlines
Sat 10/109:09 am
BOI
- PDX
Nonstop1h 24m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:45 am
PDX
- GEG
Nonstop1h 11m
Alaska Airlines
Sat 8/293:05 pm
GEG
- PDX
Nonstop1h 12m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:10 am
PDX
- BOI
1 stop6h 12m
Delta
Sat 10/174:05 pm
BOI
- PDX
1 stop4h 53m
Delta
Deal found 6/2![Delta logo]()
$217
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 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:50 pm
PDX
- BOI
1 stop4h 59m
Delta
Sat 10/312:14 pm
BOI
- PDX
1 stop3h 27m
Delta
Deal found 6/3![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:51 am
PDX
- BOI
1 stop3h 32m
Alaska Airlines
Wed 11/41:51 pm
BOI
- PDX
1 stop3h 59m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/1111:35 am
PDX
- BOI
2 stops9h 50m
Southwest
Tue 8/182:20 pm
BOI
- PDX
2 stops8h 00m
Southwest
Deal found 6/5![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/188:35 am
PDX
- BOI
1 stop7h 09m
United Airlines
Mon 7/207:05 pm
BOI
- PDX
1 stop6h 45m
United Airlines
Deal found 6/3![United Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/291:40 pm
PDX
- GEG
1 stop5h 52m
Delta
Sun 9/205:20 am
GEG
- PDX
1 stop3h 23m
Delta
Deal found 6/5![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/186:20 am
PDX
- BOI
1 stop6h 55m
Southwest
Tue 9/222:20 pm
BOI
- PDX
2 stops9h 00m
Southwest
Deal found 6/5![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/247:03 am
PDX
- GEG
Nonstop1h 10m
Alaska Airlines
Tue 7/2812:42 pm
GEG
- PDX
Nonstop1h 10m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/107:03 am
PDX
- GEG
Nonstop1h 10m
Alaska Airlines
Sun 7/125:00 am
GEG
- PDX
Nonstop1h 10m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/214:05 pm
PDX
- BOI
2 stops7h 25m
Southwest
Sun 7/269:00 pm
BOI
- PDX
1 stop5h 05m
Southwest
Deal found 6/3![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:16 am
PDX
- BOI
1 stop4h 28m
United Airlines
Wed 7/297:05 pm
BOI
- PDX
1 stop6h 45m
United Airlines
Deal found 6/1![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/1![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:40 pm
PDX
- BOI
1 stop25h 40m
Alaska Airlines
Sat 8/226:00 am
BOI
- PDX
Nonstop1h 20m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/275:30 am
PDX
- GEG
1 stop3h 06m
Delta
Sun 6/287:59 pm
GEG
- PDX
1 stop3h 55m
Delta
Deal found 6/4![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/205:40 am
PDX
- BOI
1 stop9h 50m
Southwest
Tue 6/236:00 am
BOI
- PDX
1 stop5h 10m
Southwest
Deal found 6/5![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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
Mon 7/134:30 pm
GEG
- PDX
1 stop3h 32m
Delta
Deal found 6/3![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/72:58 pm
PDX
- BOI
Nonstop1h 18m
Alaska Airlines
Mon 8/108:28 pm
BOI
- PDX
Nonstop1h 18m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/107:05 am
PDX
- GEG
1 stop5h 06m
Delta
Fri 7/175:37 pm
GEG
- PDX
1 stop6h 17m
Delta
Deal found 6/3![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/269:30 pm
PDX
- BOI
Nonstop1h 18m
Alaska Airlines
Mon 6/294:23 pm
BOI
- PDX
Nonstop1h 22m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:00 am
PDX
- JAC
1 stop7h 08m
United Airlines
Wed 10/214:25 pm
JAC
- PDX
1 stop7h 27m
United Airlines
Deal found 6/1![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/1812:23 pm
PDX
- GEG
1 stop4h 37m
Delta
Tue 7/214:30 pm
GEG
- PDX
1 stop5h 30m
Delta
Deal found 6/3![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/2810:30 am
PDX
- IDA
Nonstop1h 54m
Alaska Airlines
Mon 8/313:57 pm
IDA
- PDX
Nonstop1h 53m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/512:23 pm
PDX
- GEG
1 stop3h 17m
Delta
Sun 7/127:00 am
GEG
- PDX
1 stop3h 35m
Delta
Deal found 6/3![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/35:30 am
PDX
- GEG
1 stop3h 06m
Delta
Tue 7/74:30 pm
GEG
- PDX
1 stop3h 32m
Delta
Deal found 6/3![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/1010:30 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Mon 7/134:14 pm
IDA
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/311:20 am
PDX
- GEG
1 stop5h 37m
Delta
Sun 7/55:30 am
GEG
- PDX
1 stop5h 09m
Delta
Deal found 6/5![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/155:30 pm
PDX
- IDA
1 stop4h 09m
Alaska Airlines
Sun 8/233:57 pm
IDA
- PDX
Nonstop1h 53m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:06 am
PDX
- SUN
1 stop4h 05m
Alaska Airlines
Tue 10/2011:53 am
SUN
- PDX
1 stop6h 07m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/245:30 am
PDX
- BOI
1 stop3h 23m
Delta
Mon 7/276:07 pm
BOI
- PDX
1 stop4h 53m
Delta
Deal found 6/2![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/2410:30 am
PDX
- IDA
Nonstop1h 36m
Alaska Airlines
Mon 7/274:14 pm
IDA
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:20 pm
PDX
- JAC
1 stop5h 01m
Delta
Thu 9/245:54 pm
JAC
- PDX
1 stop6h 46m
Delta
Deal found 6/1![Delta logo]()
$348
Last-minute flights from Portland to IdahoDiscover last-minute flight deals from Portland to Idaho. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Idaho. Data last updated June 6, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/2![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/153:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 6/196:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/153:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 6/226:39 pm
IDA
- PDX
Nonstop1h 39m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$109
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/205:40 am
PDX
- BOI
1 stop9h 50m
Southwest
Mon 6/227:40 pm
BOI
- PDX
1 stop5h 50m
Southwest
Deal found 6/3![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/305:55 pm
PDX
- BOI
1 stop5h 30m
Southwest
Tue 7/77:55 pm
BOI
- PDX
1 stop3h 35m
Southwest
Deal found 6/2![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/84:05 pm
PDX
- BOI
2 stops7h 25m
Southwest
Wed 7/157:55 pm
BOI
- PDX
1 stop3h 35m
Southwest
Deal found 6/3![Southwest logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 7/203:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/1012:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Fri 7/243:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$102
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:45 am
PDX
- BOI
1 stop4h 40m
Southwest
Fri 7/175:55 pm
BOI
- PDX
1 stop8h 30m
Southwest
Deal found 6/1![Southwest logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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
Fri 7/243:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/4![Allegiant Air logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/4![Allegiant Air logo]()
$96
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/3112:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Mon 8/33:50 pm
IDA
- PDX
Nonstop1h 36m
Allegiant Air
Deal found 6/4![Allegiant Air logo]()
$89
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 6, 2026.
Search for one-way flight options from Portland to Idaho. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Super.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/312:20 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/223:09 pm
PDX
- IDA
Nonstop1h 40m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![Allegiant Air logo]()
$91
This Super.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.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
Deal found 6/1![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/1![Allegiant Air logo]()
$101
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:50 am
PDX
- BOI
1 stop6h 10m
Southwest
Deal found 6/2![Southwest logo]()
$109
This Priceline deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
Tue 8/257:09 am
PDX
- GEG
1 stop3h 52m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am
PDX
- BOI
1 stop5h 36m
Delta
Deal found 6/1![Delta logo]()
$119
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/86:20 am
PDX
- BOI
1 stop4h 55m
Southwest
Deal found 6/2![Southwest logo]()
$122
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/205:25 am
PDX
- BOI
1 stop5h 05m
Southwest
Deal found 6/2![Southwest logo]()
$124
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/245:20 pm
PDX
- BOI
1 stop18h 10m
Frontier
Deal found 6/2![Frontier logo]()
$126
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/196:00 am
PDX
- BOI
1 stop8h 20m
Southwest
Deal found 6/4![Southwest logo]()
$127
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $75 (Kiwi.com) |
One-way from | $71 (Super.com) |
Popular in | January |
Cheapest in | April |
Average price | $302 |
Good round-trip deal | $76 or less |
Good one-way deal | $62 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 6, 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
Fri 10/2
5:50 pm-11:49 pm
1 stop4h 59m
Boise Air Term. Gowen Fld
Sat 10/3
12:14 pm-2:41 pm
1 stop3h 27m
$227
PortlandBoise
PDX - BOI
PDXBOI
Portland
Sat 10/31
10:51 am-3:23 pm
1 stop3h 32m
Boise Air Term. Gowen Fld
Wed 11/4
1:51 pm-4:50 pm
1 stop3h 59m
$237
PortlandBoise
PDX - BOI
PDXBOI
Portland
Tue 8/11
11:35 am-10:25 pm
2 stops9h 50m
Boise Air Term. Gowen Fld
Tue 8/18
2:20 pm-9:20 pm
2 stops8h 00m
$237
PortlandBoise
PDX - BOI
PDXBOI
Portland
Sat 7/18
8:35 am-4:44 pm
1 stop7h 09m
Boise Air Term. Gowen Fld
Mon 7/20
7:05 pm-12:50 am
1 stop6h 45m
$243
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Sat 8/29
1:40 pm-7:32 pm
1 stop5h 52m
Spokane
Sun 9/20
5:20 am-8:43 am
1 stop3h 23m
$257
PortlandBoise
PDX - BOI
PDXBOI
Portland
Fri 9/18
6:20 am-2:15 pm
1 stop6h 55m
Boise Air Term. Gowen Fld
Tue 9/22
2:20 pm-10:20 pm
2 stops9h 00m
$257
Quickest round-trip
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Fri 7/24
7:03 am-8:13 am
Nonstop1h 10m
Spokane
Tue 7/28
12:42 pm-1:52 pm
Nonstop1h 10m
$267
PortlandSpokane
PDX - GEG
PDXGEG
Portland
Fri 7/10
7:03 am-8:13 am
Nonstop1h 10m
Spokane
Sun 7/12
5:00 am-6:10 am
Nonstop1h 10m
$267
PortlandBoise
PDX - BOI
PDXBOI
Portland
Tue 7/21
4:05 pm-12:30 am
2 stops7h 25m
Boise Air Term. Gowen Fld
Sun 7/26
9:00 pm-1:05 am
1 stop5h 05m
$267
PortlandBoise
PDX - BOI
PDXBOI
Portland
Tue 8/18
5:40 pm-8:20 pm
1 stop25h 40m
Boise Air Term. Gowen Fld
Sat 8/22
6:00 am-6:20 am
Nonstop1h 20m
$274
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-JAC
PDX-GEG
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-IDA
PDX-BOI
PDX-JAC
PDX-GEG
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 6, 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 6, 2026.
The most flights from PDX to USID are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 66 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 May 30, 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 June 6, 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.
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
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
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 June 6, 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$103 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$83 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$303 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$402 | FlexibilityNo cancel fee | On-time75% |