$126+ Cheap flights from Pennsylvania 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Cheapest flights from Pennsylvania to IdahoExplore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:00 pm
IAD
- GEG
1 stop9h 31m
Delta
Tue 4/281:07 pm
GEG
- IAD
1 stop7h 48m
Delta
Deal found 3/16![Delta logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/297:00 am
JFK
- BOI
1 stop10h 33m
Alaska Airlines
Tue 5/56:00 am
BOI
- JFK
1 stop8h 28m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
EWR
- BOI
1 stop9h 24m
United Airlines
Tue 4/216:15 am
BOI
- EWR
1 stop7h 49m
United Airlines
Deal found 3/13![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:35 am
JFK
- BOI
1 stop9h 07m
American Airlines
Sat 5/26:26 pm
BOI
- JFK
1 stop10h 34m
American Airlines
Deal found 3/12![American Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:55 am
IAD
- GEG
1 stop8h 20m
United Airlines
Tue 4/211:46 pm
GEG
- IAD
1 stop6h 48m
United Airlines
Deal found 3/13![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
IAD
- GEG
1 stop10h 04m
Delta
Tue 4/2111:25 am
GEG
- IAD
2 stops9h 19m
Delta
Deal found 3/13![Delta logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:30 pm
EWR
- GEG
1 stop10h 29m
Alaska Airlines
Sat 4/256:00 am
GEG
- EWR
1 stop14h 29m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:29 am
EWR
- GEG
1 stop9h 08m
Delta
Tue 4/147:38 pm
GEG
- EWR
2 stops10h 51m
Delta
Deal found 3/12![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:29 am
EWR
- BOI
1 stop10h 04m
Alaska Airlines
Tue 5/56:08 pm
BOI
- EWR
1 stop10h 31m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$303
This SmartFares deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:30 pm
EWR
- BOI
1 stop9h 32m
Alaska Airlines
Sat 5/26:08 pm
BOI
- EWR
1 stop10h 31m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
IAD
- GEG
1 stop10h 49m
Delta
Mon 5/411:25 am
GEG
- IAD
1 stop9h 30m
Delta
Deal found 3/17![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/297:29 am
EWR
- BOI
1 stop10h 04m
Alaska Airlines
Wed 5/612:15 pm
BOI
- EWR
1 stop9h 14m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$309
Best flights from Pennsylvania to IdahoDiscover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/147:00 am
JFK
- BOI
1 stop8h 58m
Alaska Airlines
Sat 4/188:04 pm
BOI
- JFK
1 stop8h 25m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/27:50 am
JFK
- BOI
1 stop8h 36m
Delta
Sat 5/96:41 pm
BOI
- JFK
1 stop9h 46m
Delta
Deal found 3/17![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:40 pm
EWR
- BOI
1 stop7h 42m
United Airlines
Sat 4/189:26 am
BOI
- EWR
1 stop10h 09m
United Airlines
Deal found 3/14![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/29:39 am
EWR
- BOI
2 stops9h 42m
Delta
Sat 5/95:20 am
BOI
- EWR
1 stop9h 35m
Delta
Deal found 3/17![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:29 am
EWR
- BOI
1 stop8h 23m
Alaska Airlines
Wed 5/610:02 am
BOI
- EWR
1 stop11h 27m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:39 am
EWR
- BOI
2 stops9h 42m
Delta
Tue 5/511:35 pm
BOI
- EWR
1 stop7h 54m
Delta
Deal found 3/14![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:29 pm
JFK
- BOI
1 stop9h 30m
Alaska Airlines
Tue 5/56:00 am
BOI
- JFK
1 stop8h 28m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:34 pm
JFK
- BOI
1 stop9h 43m
Delta
Sat 5/91:53 pm
BOI
- JFK
1 stop9h 13m
Delta
Deal found 3/12![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:33 pm
EWR
- BOI
1 stop8h 26m
Alaska Airlines
Wed 5/612:15 pm
BOI
- EWR
1 stop9h 14m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:45 am
JFK
- BOI
1 stop10h 29m
Delta
Tue 5/52:18 pm
BOI
- JFK
1 stop8h 30m
Delta
Deal found 3/14![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 am
IAD
- GEG
1 stop9h 13m
Alaska Airlines
Wed 4/295:00 am
GEG
- IAD
1 stop10h 20m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:17 am
IAD
- GEG
2 stops15h 54m
United Airlines
Wed 4/291:46 pm
GEG
- IAD
1 stop6h 47m
United Airlines
Deal found 3/12![United Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:00 am
EWR
- BOI
1 stop11h 24m
Alaska Airlines
Wed 4/1511:58 am
BOI
- EWR
1 stop9h 13m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:00 am
JFK
- BOI
1 stop9h 21m
Delta
Mon 5/119:16 pm
BOI
- JFK
1 stop7h 40m
Delta
Deal found 3/12![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
PHL
- JAC
1 stop7h 21m
United Airlines
Sat 4/2510:40 am
JAC
- PHL
2 stops8h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/95:55 pm
EWR
- GEG
1 stop8h 11m
Delta
Mon 5/1110:40 pm
GEG
- EWR
1 stop7h 45m
Delta
Deal found 3/16![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:30 pm
EWR
- GEG
1 stop9h 01m
Alaska Airlines
Tue 4/287:41 pm
GEG
- EWR
1 stop7h 58m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:10 am
LGA
- JAC
2 stops9h 11m
United Airlines
Sat 3/289:05 am
JAC
- LGA
1 stop9h 07m
United Airlines
Deal found 3/13![United Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:29 am
EWR
- BOI
1 stop10h 04m
Alaska Airlines
Fri 5/812:15 pm
BOI
- EWR
1 stop9h 14m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/811:36 am
PHL
- JAC
2 stops11h 17m
United Airlines
Tue 4/142:35 pm
JAC
- PHL
2 stops8h 24m
United Airlines
Deal found 3/17![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/57:00 pm
JFK
- GEG
1 stop8h 20m
Delta
Wed 5/201:11 pm
GEG
- JFK
1 stop8h 32m
Delta
Deal found 3/16![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:29 pm
JFK
- GEG
1 stop9h 42m
Alaska Airlines
Mon 5/43:12 pm
GEG
- JFK
1 stop13h 08m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:15 pm
JFK
- GEG
1 stop15h 12m
Delta
Sun 5/3110:40 pm
GEG
- JFK
1 stop8h 38m
Delta
Deal found 3/12![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Thu 6/187:00 am
JAC
- EWR
1 stop9h 35m
United Airlines
Deal found 3/12![United Airlines logo]()
$515
This Alaska Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/277:29 pm
EWR
- BOI
1 stop19h 05m
Alaska Airlines
Wed 4/294:38 pm
BOI
- EWR
1 stop12h 01m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:30 pm
JFK
- BOI
1 stop10h 28m
Delta
Fri 6/59:18 pm
BOI
- JFK
1 stop7h 36m
Delta
Deal found 3/14![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:37 pm
IAD
- JAC
1 stop8h 21m
United Airlines
Sat 5/162:30 pm
JAC
- IAD
1 stop7h 04m
United Airlines
Deal found 3/12![United Airlines logo]()
$517
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:00 am
EWR
- BOI
1 stop11h 34m
Alaska Airlines
Fri 5/812:15 pm
BOI
- EWR
1 stop9h 14m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:34 pm
JFK
- BOI
1 stop9h 43m
Delta
Thu 5/79:16 pm
BOI
- JFK
1 stop7h 40m
Delta
Deal found 3/12![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:30 am
IAD
- JAC
1 stop8h 16m
United Airlines
Wed 6/178:00 am
JAC
- IAD
1 stop9h 11m
United Airlines
Deal found 3/12![United Airlines logo]()
$524
Last-minute flights from Pennsylvania to IdahoDiscover last-minute flight deals from Pennsylvania to Idaho. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Idaho. Data last updated March 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:29 am
EWR
- GEG
1 stop9h 08m
Delta
Tue 4/147:38 pm
GEG
- EWR
2 stops10h 51m
Delta
Deal found 3/12![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
EWR
- BOI
1 stop9h 24m
United Airlines
Tue 4/216:15 am
BOI
- EWR
1 stop7h 49m
United Airlines
Deal found 3/13![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:55 am
IAD
- GEG
1 stop8h 20m
United Airlines
Tue 4/211:46 pm
GEG
- IAD
1 stop6h 48m
United Airlines
Deal found 3/13![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
IAD
- GEG
1 stop10h 04m
Delta
Tue 4/2111:25 am
GEG
- IAD
2 stops9h 19m
Delta
Deal found 3/13![Delta logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:30 pm
EWR
- GEG
1 stop10h 29m
Alaska Airlines
Sat 4/256:00 am
GEG
- EWR
1 stop14h 29m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$297
This lol.travel deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:40 pm
JFK
- GEG
1 stop10h 19m
Alaska Airlines
Sat 4/255:00 am
GEG
- JFK
1 stop8h 28m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:00 pm
IAD
- GEG
1 stop9h 31m
Delta
Tue 4/281:07 pm
GEG
- IAD
1 stop7h 48m
Delta
Deal found 3/16![Delta logo]()
$271
This SmartFares deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:30 pm
EWR
- BOI
1 stop9h 32m
Alaska Airlines
Sat 5/26:08 pm
BOI
- EWR
1 stop10h 31m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:35 am
JFK
- BOI
1 stop9h 07m
American Airlines
Sat 5/26:26 pm
BOI
- JFK
1 stop10h 34m
American Airlines
Deal found 3/12![American Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:29 am
EWR
- BOI
1 stop10h 04m
Alaska Airlines
Sat 5/22:57 pm
BOI
- EWR
1 stop13h 42m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/297:00 am
JFK
- BOI
1 stop10h 33m
Alaska Airlines
Tue 5/56:00 am
BOI
- JFK
1 stop8h 28m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
IAD
- GEG
1 stop10h 49m
Delta
Mon 5/411:25 am
GEG
- IAD
1 stop9h 30m
Delta
Deal found 3/17![Delta logo]()
$307
One-way flights from Pennsylvania to IdahoSearch for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
LGA
- JAC
1 stop8h 41m
American Airlines
Deal found 3/12![American Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:35 am
JFK
- JAC
1 stop9h 12m
Delta
Deal found 3/12![Delta logo]()
$126
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 am
LGA
- JAC
2 stops10h 14m
United Airlines
Deal found 3/12![United Airlines logo]()
$131
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/187:00 am
LGA
- JAC
1 stop7h 40m
American Airlines
Deal found 3/16![American Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:29 pm
EWR
- BOI
2 stops38h 39m
Frontier
Deal found 3/14![Frontier logo]()
$136
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:55 pm
IAD
- GEG
1 stop8h 40m
Southwest
Deal found 3/15![Southwest logo]()
$136
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:15 am
JFK
- JAC
1 stop7h 49m
Delta
Deal found 3/13![Delta logo]()
$136
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:35 am
JFK
- GEG
1 stop10h 44m
American Airlines
Deal found 3/15![American Airlines logo]()
$140
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:05 am
LGA
- JAC
2 stops12h 42m
Delta
Deal found 3/16![Delta logo]()
$141
This Alaska Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/157:00 am
JFK
- BOI
1 stop10h 29m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$141
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:10 am
EWR
- BOI
1 stop7h 39m
American Airlines
Deal found 3/14![American Airlines logo]()
$145
This Expedia deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:40 pm
JFK
- BOI
1 stop21h 52m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$146
Find flight deals from Pennsylvania to Idaho
Keep the following information in mind while searching for Pennsylvania to Idaho flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Alaska Airlines) |
One-way from | $126 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $408 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Tue 4/14
7:00 am-1:58 pm
1 stop8h 58m
Boise Air Term. Gowen Fld
Sat 4/18
8:04 pm-6:29 am
1 stop8h 25m
$281
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Sat 5/2
7:50 am-2:26 pm
1 stop8h 36m
Boise Air Term. Gowen Fld
Sat 5/9
6:41 pm-6:27 am
1 stop9h 46m
$313
NewarkBoise
EWR - BOI
EWRBOI
Newark
Sat 5/2
9:39 am-5:21 pm
2 stops9h 42m
Boise Air Term. Gowen Fld
Sat 5/9
5:20 am-4:55 pm
1 stop9h 35m
$314
NewarkBoise
EWR - BOI
EWRBOI
Newark
Sat 5/2
9:39 am-5:21 pm
2 stops9h 42m
Boise Air Term. Gowen Fld
Tue 5/5
11:35 pm-9:29 am
1 stop7h 54m
$314
NewarkBoise
EWR - BOI
EWRBOI
Newark
Wed 4/29
7:29 am-1:52 pm
1 stop8h 23m
Boise Air Term. Gowen Fld
Wed 5/6
10:02 am-11:29 pm
1 stop11h 27m
$317
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Wed 4/29
4:34 pm-12:17 am
1 stop9h 43m
Boise Air Term. Gowen Fld
Sat 5/9
1:53 pm-1:06 am
1 stop9h 13m
$321
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Sat 5/2
7:45 am-4:14 pm
1 stop10h 29m
Boise Air Term. Gowen Fld
Tue 5/5
2:18 pm-12:48 am
1 stop8h 30m
$321
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Thu 4/30
4:29 pm-11:59 pm
1 stop9h 30m
Boise Air Term. Gowen Fld
Tue 5/5
6:00 am-4:28 pm
1 stop8h 28m
$331
NewarkBoise
EWR - BOI
EWRBOI
Newark
Sat 5/2
5:33 pm-11:59 pm
1 stop8h 26m
Boise Air Term. Gowen Fld
Wed 5/6
12:15 pm-11:29 pm
1 stop9h 14m
$333
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Tue 4/28
7:10 am-1:23 pm
1 stop9h 13m
Spokane
Wed 4/29
5:00 am-6:20 pm
1 stop10h 20m
$337
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Pennsylvania with our price prediction graph.
IAD-GEG
JFK-BOI
EWR-BOI
EWR-GEG
JFK-GEG
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 Pennsylvania to Idaho
USPA-USID
IAD-GEG
JFK-BOI
EWR-BOI
EWR-GEG
What is the cheapest month to book a flight from Pennsylvania to Idaho?
Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $88). Flying from Pennsylvania to Idaho in December is currently the most expensive (average of $334). 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.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated March 17, 2026.
Read through reviews of airlines operating flights from Pennsylvania to Idaho, such as Southwest,Delta, andUnited Airlines. 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.
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania 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 Pennsylvania to Idaho by cabin class
Find flights from Pennsylvania to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Idaho flights
Browse other Pennsylvania and Idaho flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Pennsylvania after your stay in Idaho
Pennsylvania to Idaho flights
Consider these flights traveling from Pennsylvania to Idaho.
Top 4 airlines flying from Pennsylvania to Idaho
Discover the top 4 airlines that operate flights from Pennsylvania to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$193 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$213 | Average$551 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$232 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$358 | Average$453 | FlexibilityNo cancel fee | On-time63% |