$121+ Cheap flights from Idaho to Pennsylvania
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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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Cheapest flights from Idaho to PennsylvaniaExplore the most affordable flight options available from Idaho to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
Explore the most affordable flight options available from Idaho to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:12 am
GEG
- IAD
1 stop18h 38m
Multiple Airlines
Sat 8/299:20 am
IAD
- GEG
1 stop27h 02m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$249
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- DCA
1 stop6h 35m
Frontier
Mon 7/131:59 pm
DCA
- BOI
1 stop24h 30m
Frontier
Deal found 6/17![Frontier logo]()
$254
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 8/2410:56 pm
GEG
- IAD
1 stop7h 24m
Delta
Sat 8/296:00 am
IAD
- GEG
1 stop8h 21m
Delta
Deal found 6/16![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 6/16. 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 9/1911:10 am
BOI
- IAD
1 stop6h 54m
Delta
Tue 9/227:10 am
IAD
- BOI
1 stop10h 02m
Delta
Deal found 6/16![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/243:21 pm
BOI
- DCA
1 stop6h 38m
American Airlines
Wed 9/305:00 am
DCA
- BOI
1 stop10h 00m
American Airlines
Deal found 6/20![American Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/191:37 pm
GEG
- IAD
1 stop6h 42m
United Airlines
Tue 9/222:43 pm
IAD
- GEG
1 stop9h 31m
United Airlines
Deal found 6/19![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 11/51:45 pm
GEG
- IAD
1 stop6h 28m
United Airlines
Mon 11/94:08 pm
IAD
- GEG
1 stop8h 01m
United Airlines
Deal found 6/17![United Airlines logo]()
$296
This Frontier deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:24 pm
BOI
- DCA
1 stop6h 35m
Frontier
Sun 8/97:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 6/20![Frontier logo]()
$296
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:30 pm
BOI
- JFK
1 stop9h 44m
Delta
Fri 11/66:00 am
JFK
- BOI
1 stop11h 04m
Delta
Deal found 6/15![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 11/211:30 pm
BOI
- EWR
1 stop9h 33m
Delta
Thu 11/126:00 am
EWR
- BOI
1 stop8h 42m
Delta
Deal found 6/16![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 9/162:50 pm
BOI
- LGA
1 stop6h 54m
Delta
Sat 9/196:00 am
LGA
- BOI
1 stop9h 38m
Delta
Deal found 6/16![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/116:45 am
GEG
- EWR
1 stop8h 05m
Delta
Wed 8/196:15 am
EWR
- GEG
1 stop9h 42m
Delta
Deal found 6/19![Delta logo]()
$303
Best flights from Idaho to PennsylvaniaDiscover carefully curated flight deals from Idaho to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
Discover carefully curated flight deals from Idaho to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 8/2612:36 pm
GEG
- IAD
1 stop8h 58m
Delta
Tue 9/17:00 am
IAD
- GEG
1 stop8h 22m
Delta
Deal found 6/16![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/191:37 pm
GEG
- IAD
1 stop6h 42m
United Airlines
Tue 9/222:43 pm
IAD
- GEG
1 stop9h 31m
United Airlines
Deal found 6/20![United Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 11/21:51 pm
BOI
- JFK
1 stop15h 14m
Alaska Airlines
Thu 11/124:45 pm
JFK
- BOI
1 stop9h 06m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Mon 8/245:19 pm
BOI
- EWR
1 stop10h 41m
American Airlines
Wed 8/266:50 am
EWR
- BOI
1 stop9h 39m
American Airlines
Deal found 6/20![American Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
BOI
- DCA
1 stop9h 00m
Southwest
Tue 7/214:55 pm
DCA
- BOI
1 stop9h 35m
Southwest
Deal found 6/16![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 9/142:14 pm
BOI
- DCA
1 stop7h 29m
Delta
Wed 9/166:05 am
DCA
- BOI
1 stop9h 33m
Delta
Deal found 6/18![Delta logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 11/312:49 pm
BOI
- JFK
1 stop8h 14m
Alaska Airlines
Sat 11/77:00 am
JFK
- BOI
1 stop10h 27m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:41 pm
BOI
- EWR
1 stop8h 18m
United Airlines
Sat 9/196:00 am
EWR
- BOI
1 stop7h 26m
United Airlines
Deal found 6/16![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 9/182:14 pm
BOI
- JFK
1 stop8h 45m
Delta
Sun 9/207:00 am
JFK
- BOI
1 stop10h 12m
Delta
Deal found 6/17![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 12/89:53 am
BOI
- JFK
1 stop7h 39m
Alaska Airlines
Sat 12/125:29 pm
JFK
- BOI
1 stop8h 30m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/196:45 pm
BOI
- JFK
1 stop9h 33m
Delta
Mon 8/244:50 pm
JFK
- BOI
1 stop9h 03m
Delta
Deal found 6/19![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 10/106:01 pm
BOI
- EWR
1 stop10h 58m
Alaska Airlines
Wed 10/147:00 am
EWR
- BOI
1 stop10h 23m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 9/265:00 am
BOI
- LGA
1 stop6h 55m
United Airlines
Wed 10/76:00 am
LGA
- BOI
1 stop7h 28m
United Airlines
Deal found 6/17![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 9/182:14 pm
BOI
- JFK
1 stop8h 45m
Delta
Mon 9/213:45 pm
JFK
- BOI
1 stop9h 14m
Delta
Deal found 6/16![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/711:30 am
BOI
- LGA
1 stop7h 25m
Southwest
Wed 8/1210:55 am
LGA
- BOI
2 stops10h 50m
Southwest
Deal found 6/19![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 6/275:00 am
BOI
- DCA
1 stop7h 59m
United Airlines
Fri 7/35:05 pm
DCA
- BOI
1 stop7h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/162:50 pm
BOI
- JFK
1 stop7h 06m
Delta
Sat 9/1911:10 am
JFK
- BOI
1 stop7h 04m
Delta
Deal found 6/19![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 11/26:33 am
BOI
- EWR
1 stop8h 28m
Alaska Airlines
Sun 11/87:29 pm
EWR
- BOI
1 stop16h 33m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
BOI
- DCA
1 stop9h 00m
Southwest
Wed 7/296:00 am
DCA
- BOI
1 stop11h 45m
Southwest
Deal found 6/16![Southwest logo]()
$420
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:28 pm
BOI
- LGA
1 stop7h 22m
United Airlines
Tue 9/293:28 pm
LGA
- BOI
2 stops9h 05m
United Airlines
Deal found 6/16![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/136:45 pm
BOI
- JFK
1 stop9h 33m
Delta
Mon 8/174:50 pm
JFK
- BOI
1 stop9h 03m
Delta
Deal found 6/18![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:54 am
JAC
- JFK
Nonstop4h 35m
American Airlines
Mon 7/611:21 am
JFK
- JAC
1 stop10h 21m
American Airlines
Deal found 6/17![American Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/257:20 am
BOI
- IAD
1 stop8h 54m
Alaska Airlines
Wed 8/267:00 am
IAD
- BOI
1 stop10h 31m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 9/232:50 pm
BOI
- JFK
1 stop7h 06m
Delta
Tue 9/298:00 am
JFK
- BOI
1 stop8h 44m
Delta
Deal found 6/16![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/411:50 am
BOI
- LGA
1 stop8h 10m
Southwest
Tue 7/710:20 am
LGA
- BOI
2 stops10h 30m
Southwest
Deal found 6/20![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
GEG
- IAD
1 stop9h 50m
United Airlines
Wed 8/262:43 pm
IAD
- GEG
1 stop9h 03m
United Airlines
Deal found 6/16![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 6/17. 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 9/122:11 pm
BOI
- JFK
1 stop8h 48m
Delta
Mon 9/147:00 am
JFK
- BOI
1 stop10h 12m
Delta
Deal found 6/17![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
BOI
- DCA
1 stop9h 00m
Southwest
Fri 7/174:25 pm
DCA
- BOI
2 stops9h 55m
Southwest
Deal found 6/17![Southwest logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 10/146:01 pm
BOI
- EWR
1 stop10h 58m
Alaska Airlines
Sun 10/186:30 am
EWR
- BOI
1 stop8h 44m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/11:59 pm
BOI
- JFK
1 stop9h 15m
Delta
Sat 9/511:13 am
JFK
- BOI
1 stop8h 39m
Delta
Deal found 6/20![Delta logo]()
$297
Last-minute flights from Idaho to PennsylvaniaDiscover last-minute flight deals from Idaho to Pennsylvania. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Pennsylvania. Data last updated June 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 6/252:50 pm
BOI
- DCA
1 stop6h 36m
Delta
Mon 6/296:00 am
DCA
- BOI
1 stop6h 58m
Delta
Deal found 6/19![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 6/272:50 pm
BOI
- DCA
1 stop6h 37m
Delta
Fri 7/33:35 pm
DCA
- BOI
1 stop7h 20m
Delta
Deal found 6/20![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/16. 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 6/3011:55 am
BOI
- JFK
1 stop10h 30m
Delta
Sat 7/43:00 pm
JFK
- BOI
1 stop10h 04m
Delta
Deal found 6/16![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/16. 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 6/3011:55 am
BOI
- JFK
1 stop10h 30m
Delta
Fri 7/108:00 am
JFK
- BOI
1 stop8h 46m
Delta
Deal found 6/16![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/12:04 pm
BOI
- IAD
1 stop8h 40m
Delta
Thu 7/96:46 pm
IAD
- BOI
1 stop7h 00m
Delta
Deal found 6/18![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/17. 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 7/15:30 am
BOI
- DCA
1 stop6h 17m
Delta
Sat 7/47:45 am
DCA
- BOI
1 stop8h 06m
Delta
Deal found 6/17![Delta logo]()
$336
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 7/33:05 pm
BOI
- IAD
1 stop7h 20m
Delta
Thu 7/96:46 pm
IAD
- BOI
1 stop7h 00m
Delta
Deal found 6/16![Delta logo]()
$293
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- DCA
1 stop6h 35m
Frontier
Mon 7/131:59 pm
DCA
- BOI
1 stop24h 30m
Frontier
Deal found 6/17![Frontier logo]()
$254
This Expedia deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Sun 7/121:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Sun 7/197:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 6/20![Frontier logo]()
$242
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 7/2411:10 pm
BOI
- IAD
1 stop8h 50m
Delta
Mon 7/276:00 am
IAD
- BOI
1 stop8h 53m
Delta
Deal found 6/17![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Mon 7/276:21 am
BOI
- LGA
1 stop7h 41m
American Airlines
Wed 8/58:55 am
LGA
- BOI
1 stop7h 36m
American Airlines
Deal found 6/20![American Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 7/3010:48 pm
GEG
- IAD
1 stop9h 49m
Delta
Tue 8/116:00 am
IAD
- GEG
1 stop8h 21m
Delta
Deal found 6/16![Delta logo]()
$306
One-way flights from Idaho to PennsylvaniaSearch for one-way flight options from Idaho to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
Search for one-way flight options from Idaho to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- DCA
1 stop6h 35m
Frontier
Deal found 6/18![Frontier logo]()
$121
This Expedia deal was found by Cheapflights users on 6/17. 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 7/71:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Deal found 6/17![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 6/16. 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 7/142:03 pm
BOI
- IAD
1 stop8h 38m
Delta
Deal found 6/16![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 6/16. 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 9/195:20 am
BOI
- DCA
1 stop6h 33m
Delta
Deal found 6/16![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 6/17. 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.
Tue 7/2810:48 pm
GEG
- IAD
1 stop9h 49m
Delta
Deal found 6/17![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 8/141:06 pm
BOI
- JFK
1 stop8h 41m
Delta
Deal found 6/16![Delta logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/146:23 am
BOI
- EWR
1 stop10h 06m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 9/711:10 pm
BOI
- LGA
1 stop6h 59m
Delta
Deal found 6/16![Delta logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/255:19 pm
BOI
- JFK
1 stop10h 41m
American Airlines
Deal found 6/16![American Airlines logo]()
$152
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 9/191:37 pm
GEG
- IAD
1 stop6h 42m
United Airlines
Deal found 6/18![United Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 am
BOI
- LGA
2 stops9h 23m
United Airlines
Deal found 6/16![United Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/41:24 pm
BOI
- IAD
2 stops16h 56m
Frontier
Deal found 6/20![Frontier logo]()
$164
Find flight deals from Idaho to Pennsylvania
Keep the following information in mind while searching for Idaho to Pennsylvania flight deals. Data was last updated June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Expedia) |
One-way from | $121 (Frontier) |
Popular in | February |
Cheapest in | January |
Average price | $418 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Pennsylvania 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 21, 2026.
Use the filters below to find and compare flights from Idaho to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 8/26
12:36 pm-12:34 am
1 stop8h 58m
Washington, D.C. Dulles Intl
Tue 9/1
7:00 am-12:22 pm
1 stop8h 22m
$275
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Mon 9/14
2:14 pm-11:43 pm
1 stop7h 29m
Washington, D.C. Reagan-National
Wed 9/16
6:05 am-1:38 pm
1 stop9h 33m
$293
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Sat 9/19
1:37 pm-11:19 pm
1 stop6h 42m
Washington, D.C. Dulles Intl
Tue 9/22
2:43 pm-9:14 pm
1 stop9h 31m
$295
BoiseNew York
BOI - JFK
BOIJFK
Boise Air Term. Gowen Fld
Mon 11/2
1:51 pm-7:05 am
1 stop15h 14m
New York John F Kennedy Intl
Thu 11/12
4:45 pm-11:51 pm
1 stop9h 06m
$297
BoiseNewark
BOI - EWR
BOIEWR
Boise Air Term. Gowen Fld
Mon 8/24
5:19 pm-6:00 am
1 stop10h 41m
Newark
Wed 8/26
6:50 am-2:29 pm
1 stop9h 39m
$297
BoiseNew York
BOI - JFK
BOIJFK
Boise Air Term. Gowen Fld
Tue 11/3
12:49 pm-11:03 pm
1 stop8h 14m
New York John F Kennedy Intl
Sat 11/7
7:00 am-3:27 pm
1 stop10h 27m
$297
BoiseNewark
BOI - EWR
BOIEWR
Boise Air Term. Gowen Fld
Wed 9/16
2:41 pm-12:59 am
1 stop8h 18m
Newark
Sat 9/19
6:00 am-11:26 am
1 stop7h 26m
$297
BoiseNew York
BOI - JFK
BOIJFK
Boise Air Term. Gowen Fld
Fri 9/18
2:14 pm-12:59 am
1 stop8h 45m
New York John F Kennedy Intl
Sun 9/20
7:00 am-3:12 pm
1 stop10h 12m
$297
BoiseNew York
BOI - JFK
BOIJFK
Boise Air Term. Gowen Fld
Tue 12/8
9:53 am-7:32 pm
1 stop7h 39m
New York John F Kennedy Intl
Sat 12/12
5:29 pm-11:59 pm
1 stop8h 30m
$297
BoiseNew York
BOI - JFK
BOIJFK
Boise Air Term. Gowen Fld
Wed 8/19
6:45 pm-6:18 am
1 stop9h 33m
New York John F Kennedy Intl
Mon 8/24
4:50 pm-11:53 pm
1 stop9h 03m
$297
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Idaho with our price prediction graph.
BOI-DCA
BOI-IAD
BOI-JFK
GEG-IAD
BOI-LGA
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 Idaho to Pennsylvania
USID-USPA
BOI-DCA
BOI-IAD
BOI-JFK
GEG-IAD
What is the cheapest month to book a flight from Idaho to Pennsylvania?
Currently, May is the cheapest month in which you can book a flight from Idaho to Pennsylvania (average of $118). Flying from Idaho to Pennsylvania in January is currently the most expensive (average of $308). 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.
How much does it cost to fly round-trip from Idaho to Pennsylvania?
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated June 21, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Idaho to Pennsylvania. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Idaho to Pennsylvania. 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 Idaho to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pennsylvania by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Pennsylvania by cabin class
Find flights from Idaho to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Pennsylvania flights
Browse other Idaho and Pennsylvania flight options. Last updated on June 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Pennsylvania
Find the right flight back to Idaho after your stay in Pennsylvania
Idaho to Pennsylvania flights
Consider these flights traveling from Idaho to Pennsylvania.
Top 4 airlines flying from Idaho to Pennsylvania
Discover the top 4 airlines that operate flights from Idaho to Pennsylvania. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$424 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$206 | Average$495 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$257 | Average$624 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$544 | FlexibilityNo cancel fee | On-time63% |