$153+ Cheap flights from Portland, ME (PWM) to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BOI
Oct 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Idaho
Cheapest
Best
Last-minute
One-way
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 September 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 September 15, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 10/286:01 am -
1 stop8h 49m
Fri 10/301:00 pm -
1 stop7h 35m
Deal found 9/15![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop7h 50m
Fri 10/306:30 am -
2 stops14h 06m
Deal found 9/15![American Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:23 pm -
1 stop8h 48m
Sun 11/155:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:30 am -
2 stops16h 11m
Sun 11/155:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:45 pm -
2 stops12h 10m
Sun 11/154:05 pm -
2 stops14h 45m
Deal found 9/15![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:45 pm -
2 stops12h 10m
Sun 11/154:05 pm -
2 stops14h 45m
Deal found 9/15![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/2411:35 am -
2 stops13h 36m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1511:35 am -
1 stop9h 06m
Tue 10/2012:20 pm -
1 stop7h 34m
Deal found 9/11![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/206:00 am -
2 stops11h 24m
Mon 11/210:37 am -
2 stops11h 22m
Deal found 9/11![United Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 9/13. 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 10/22:05 pm -
1 stop9h 55m
Mon 10/511:10 pm -
2 stops10h 47m
Deal found 9/13![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:23 pm -
1 stop7h 34m
Thu 11/127:00 am -
1 stop7h 02m
Deal found 9/13![United Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops10h 31m
Wed 10/78:00 am -
2 stops13h 36m
Deal found 9/12![American Airlines logo]()
$600
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 September 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 September 15, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 1/266:00 am -
1 stop8h 39m
Sat 1/305:40 am -
2 stops14h 43m
Deal found 9/15![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:30 am -
2 stops16h 11m
Sun 11/155:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop7h 50m
Sun 11/16:15 am -
2 stops13h 18m
Deal found 9/14![American Airlines logo]()
$577
This Southwest deal was found by Cheapflights users on 9/11. 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.
Sat 9/265:40 am -
2 stops11h 50m
Wed 9/307:05 am -
2 stops12h 10m
Deal found 9/11![Southwest logo]()
$627
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 10/286:01 am -
2 stops13h 13m
Fri 10/307:00 am -
2 stops13h 35m
Deal found 9/15![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:50 am -
2 stops15h 51m
Sun 11/155:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop8h 24m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops10h 31m
Wed 10/78:00 am -
2 stops13h 36m
Deal found 9/12![American Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 am -
2 stops16h 05m
Sun 11/15:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 10/93:25 pm -
2 stops11h 40m
Sun 10/117:20 am -
2 stops13h 45m
Deal found 9/14![Southwest logo]()
$659
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/206:00 am -
1 stop7h 21m
Mon 11/27:00 am -
1 stop7h 02m
Deal found 9/11![United Airlines logo]()
$542
This Southwest deal was found by Cheapflights users on 9/11. 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.
Sat 3/135:20 am -
2 stops13h 20m
Sat 3/207:20 am -
2 stops14h 35m
Deal found 9/11![Southwest logo]()
$678
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:45 pm -
1 stop21h 35m
Mon 11/26:36 am -
2 stops13h 00m
Deal found 9/11![American Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/16:00 am -
1 stop9h 01m
Fri 10/911:10 pm -
2 stops11h 12m
Deal found 9/15![Delta logo]()
$709
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/159:50 am -
2 stops10h 51m
Tue 10/2012:20 pm -
2 stops9h 08m
Deal found 9/11![United Airlines logo]()
$553
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:35 am -
2 stops12h 40m
Wed 10/76:35 am -
2 stops12h 00m
Deal found 9/13![Southwest logo]()
$687
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/103:23 pm -
1 stop7h 34m
Thu 11/127:00 am -
1 stop7h 02m
Deal found 9/14![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop7h 28m
Mon 10/512:26 pm -
1 stop7h 20m
Deal found 9/13![United Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 am -
2 stops12h 00m
Wed 10/712:26 pm -
1 stop7h 28m
Deal found 9/13![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/206:00 am -
2 stops11h 21m
Mon 11/210:35 am -
2 stops10h 46m
Deal found 9/11![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/63:15 pm -
2 stops24h 20m
Sat 1/97:00 am -
2 stops9h 13m
Deal found 9/15![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/263:45 pm -
1 stop7h 50m
Wed 9/3012:26 pm -
1 stop7h 28m
Deal found 9/11![United Airlines logo]()
$709
Last-minute flights from Portland to IdahoDiscover last-minute flight deals from Portland to Idaho. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Idaho. Data last updated September 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/11. 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.
Sat 9/265:40 am -
2 stops11h 50m
Wed 9/307:05 am -
2 stops12h 10m
Deal found 9/11![Southwest logo]()
$627
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/296:00 am -
1 stop7h 28m
Sat 10/312:26 pm -
1 stop7h 20m
Deal found 9/14![United Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 am -
1 stop10h 01m
Sat 10/37:02 am -
2 stops14h 45m
Deal found 9/14![American Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop7h 28m
Mon 10/512:26 pm -
1 stop7h 20m
Deal found 9/13![United Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 9/13. 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 10/22:05 pm -
1 stop9h 55m
Mon 10/511:10 pm -
2 stops10h 47m
Deal found 9/13![Delta logo]()
$588
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops10h 31m
Wed 10/78:00 am -
2 stops13h 36m
Deal found 9/12![American Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1511:35 am -
1 stop9h 06m
Tue 10/2012:20 pm -
1 stop7h 34m
Deal found 9/11![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/206:00 am -
2 stops11h 24m
Mon 11/210:37 am -
2 stops11h 22m
Deal found 9/11![United Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/2411:35 am -
2 stops13h 36m
Tue 10/275:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop8h 24m
Sun 11/15:00 am -
1 stop8h 02m
Deal found 9/15![United Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 10/286:01 am -
1 stop8h 49m
Fri 10/301:00 pm -
1 stop7h 35m
Deal found 9/15![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop7h 50m
Fri 10/306:30 am -
2 stops14h 06m
Deal found 9/15![American Airlines logo]()
$353
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 September 15, 2026.
Search for one-way flight options from Portland to Idaho. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 10/286:01 am -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$153
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 12/24:53 pm -
2 stops9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$158
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops10h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
2 stops10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$225
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
2 stops10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/36:00 am -
1 stop8h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:12 pm -
3 stops48h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 9/12. 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 12/245:45 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$302
This deal was found by Cheapflights users on 9/12. 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.
Fri 10/236:00 am -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 9/14. 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 10/36:38 am -
2 stops15h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$314
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:30 am -
2 stops14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$333
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (Delta) |
One-way from | $153 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $516 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 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
PortlandSpokane
PWM Portland - GEG Spokane
PWMGEG
Portland
Wed 10/28
6:01 am-11:50 am
1 stop8h 49m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$153
PortlandBoise
PWM Portland - BOI Boise Air Term. Gowen Fld
PWMBOI
Portland
Wed 12/2
4:53 pm-12:10 am
2 stops9h 17m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$158
PortlandSpokane
PWM Portland - GEG Spokane
PWMGEG
Portland
Sat 10/3
6:00 am-1:19 pm
2 stops10h 19m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$223
PortlandSpokane
PWM Portland - GEG Spokane
PWMGEG
Portland
Sat 10/24
7:00 am-11:50 am
1 stop7h 50m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
PortlandBoise
PWM Portland - BOI Boise Air Term. Gowen Fld
PWMBOI
Portland
Thu 10/15
6:00 am-2:33 pm
2 stops10h 33m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$255
PortlandBoise
PWM Portland - BOI Boise Air Term. Gowen Fld
PWMBOI
Portland
Tue 10/6
7:00 am-2:33 pm
1 stop9h 33m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$266
PortlandSpokane
PWM Portland - GEG Spokane
PWMGEG
Portland
Sat 10/3
6:00 am-11:24 am
1 stop8h 24m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$272
PortlandBoise
PWM Portland - BOI Boise Air Term. Gowen Fld
PWMBOI
Portland
Wed 12/2
7:12 pm-6:01 pm
3 stops48h 49m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$286
PortlandJackson
PWM Portland - JAC Jackson Hole
PWMJAC
Portland
Thu 12/24
5:45 am-1:10 pm
1 stop9h 25m
Jackson Hole
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$302
PortlandBoise
PWM Portland - BOI Boise Air Term. Gowen Fld
PWMBOI
Portland
Fri 10/23
6:00 am-11:28 am
1 stop7h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$304
Showing 1-10 of 41 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.
PWM-BOI
PWM-GEG
PWM-JAC
PWM-IDA
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
PWM-USID
PWM-BOI
PWM-GEG
PWM-JAC
PWM-IDA
How much does it cost to fly round-trip from Portland, Maine to Idaho?
Airfare is below average for this route at the moment.
Portland, Maine to Idaho flights typically cost between $489 and $580 in January.The cheapest round-trip price found within the last 5 days was $310 on Delta (Jan 26-Jan 30).
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 September 15, 2026.
See what other customers who have flown with United Airlines and American Airlines from Portland to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 September 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 2 airlines flying from Portland to Idaho
Discover the top 2 airlines that operate flights from Portland to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$424 | Average$541 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$485 | Average$557 | FlexibilityNo cancel fee | On-time69% |