$110+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Apr 19 — Apr 261
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 March 20, 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 March 20, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:22 pm
BOI
- DCA
1 stop6h 36m
Frontier
Tue 5/197:00 am
DCA
- BOI
1 stop7h 27m
Frontier
Deal found 3/15![Frontier logo]()
$210
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 5/51:22 pm
BOI
- DCA
1 stop6h 36m
Frontier
Sun 5/107:00 am
DCA
- BOI
1 stop7h 27m
Frontier
Deal found 3/17![Frontier logo]()
$235
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:03 pm
BOI
- DCA
1 stop21h 59m
Frontier
Sat 4/186:00 pm
DCA
- BOI
1 stop19h 08m
Frontier
Deal found 3/15![Frontier logo]()
$244
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
BOI
- DCA
1 stop8h 06m
Multiple Airlines
Tue 4/218:59 am
DCA
- BOI
1 stop16h 48m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$251
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- DCA
1 stop6h 36m
Frontier
Tue 5/197:00 am
DCA
- BOI
1 stop7h 27m
Frontier
Deal found 3/18![Frontier logo]()
$255
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.
Thu 5/211:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Sun 5/247:00 am
DCA
- BOI
1 stop7h 30m
Frontier
Deal found 3/17![Frontier logo]()
$270
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 4/142:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Sat 4/186:00 am
IAD
- BOI
1 stop9h 07m
Delta
Deal found 3/16![Delta logo]()
$271
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
GEG
- IAD
1 stop6h 55m
Southwest
Wed 4/225:30 pm
IAD
- GEG
1 stop8h 25m
Southwest
Deal found 3/16![Southwest logo]()
$271
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 4/255:40 am
BOI
- DCA
1 stop7h 47m
Delta
Tue 4/284:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 3/16![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/18. 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.
Sat 5/95:00 am
GEG
- DCA
1 stop7h 30m
Delta
Tue 5/124:40 pm
DCA
- GEG
1 stop9h 11m
Delta
Deal found 3/18![Delta logo]()
$271
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 4/256:00 am
BOI
- IAD
2 stops11h 56m
Delta
Tue 4/287:00 am
IAD
- BOI
1 stop8h 12m
Delta
Deal found 3/16![Delta logo]()
$276
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
BOI
- JFK
1 stop8h 28m
Alaska Airlines
Sat 5/27:00 am
JFK
- BOI
1 stop8h 52m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$276
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 March 20, 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 March 20, 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 4/146:32 am
BOI
- IAD
1 stop8h 50m
Alaska Airlines
Wed 4/157:00 am
IAD
- BOI
1 stop10h 29m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$271
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:45 am
GEG
- IAD
1 stop9h 10m
Southwest
Tue 5/126:20 am
IAD
- GEG
1 stop6h 55m
Southwest
Deal found 3/17![Southwest logo]()
$271
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 4/145:40 am
BOI
- DCA
1 stop7h 47m
Delta
Tue 4/214:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 3/16![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/188:20 am
BOI
- LGA
1 stop8h 58m
United Airlines
Sat 4/256:10 am
LGA
- BOI
1 stop7h 39m
United Airlines
Deal found 3/19![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 3/18. 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 4/292:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Sat 5/26:00 am
IAD
- BOI
2 stops10h 26m
Delta
Deal found 3/18![Delta logo]()
$276
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.
Wed 4/157:10 am
GEG
- EWR
1 stop13h 01m
Alaska Airlines
Wed 4/223:30 pm
EWR
- GEG
1 stop10h 41m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 3/18. 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.
Sat 5/95:00 am
GEG
- DCA
1 stop7h 30m
Delta
Tue 5/125:28 pm
DCA
- GEG
2 stops9h 07m
Delta
Deal found 3/18![Delta logo]()
$276
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 4/1411:58 am
BOI
- EWR
1 stop9h 13m
Alaska Airlines
Wed 4/159:00 am
EWR
- BOI
1 stop11h 24m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 3/19. 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.
Sat 4/183:23 pm
BOI
- EWR
1 stop6h 11m
Delta
Sat 4/251:15 pm
EWR
- BOI
2 stops9h 46m
Delta
Deal found 3/19![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/182:37 pm
BOI
- EWR
1 stop7h 09m
United Airlines
Sat 4/251:00 pm
EWR
- BOI
1 stop8h 53m
United Airlines
Deal found 3/19![United Airlines logo]()
$357
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:45 pm
GEG
- IAD
1 stop6h 55m
Southwest
Thu 5/75:55 am
IAD
- GEG
2 stops21h 40m
Southwest
Deal found 3/17![Southwest logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/285:00 am
GEG
- JFK
1 stop8h 28m
Alaska Airlines
Wed 4/294:29 pm
JFK
- GEG
1 stop9h 42m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/18. 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.
Fri 5/84:15 pm
GEG
- DCA
2 stops13h 22m
Delta
Tue 5/124:40 pm
DCA
- GEG
1 stop9h 11m
Delta
Deal found 3/18![Delta logo]()
$294
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:50 am
GEG
- LGA
2 stops12h 05m
Southwest
Fri 4/244:30 pm
LGA
- GEG
1 stop8h 50m
Southwest
Deal found 3/18![Southwest logo]()
$364
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.
Tue 4/285:05 am
GEG
- LGA
1 stop7h 45m
United Airlines
Wed 4/297:10 am
LGA
- GEG
1 stop8h 30m
United Airlines
Deal found 3/17![United Airlines logo]()
$379
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 4/1411:58 am
BOI
- JFK
1 stop9h 01m
Alaska Airlines
Wed 4/157:00 am
JFK
- BOI
1 stop10h 29m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$319
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 4/143:30 pm
GEG
- EWR
2 stops11h 30m
Delta
Tue 4/216:05 am
EWR
- GEG
1 stop9h 59m
Delta
Deal found 3/16![Delta logo]()
$302
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.
Sun 4/122:15 pm
BOI
- IAD
1 stop8h 25m
Southwest
Sat 4/183:55 pm
IAD
- BOI
1 stop8h 10m
Southwest
Deal found 3/15![Southwest logo]()
$366
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 4/226:08 pm
BOI
- IAD
1 stop28h 01m
Alaska Airlines
Fri 5/19:00 am
IAD
- BOI
1 stop26h 42m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 3/19. 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.
Thu 5/75:50 am
GEG
- IAD
2 stops15h 30m
Southwest
Tue 5/126:20 am
IAD
- GEG
2 stops19h 35m
Southwest
Deal found 3/19![Southwest logo]()
$368
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 4/2510:45 am
BOI
- LGA
2 stops9h 12m
Delta
Sat 5/27:15 am
LGA
- BOI
1 stop9h 11m
Delta
Deal found 3/16![Delta logo]()
$306
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 4/295:56 pm
BOI
- JFK
1 stop10h 07m
Alaska Airlines
Fri 5/86:42 pm
JFK
- BOI
1 stop17h 00m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 3/19. 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.
Sat 5/911:05 am
GEG
- IAD
1 stop10h 10m
Delta
Tue 5/127:00 am
IAD
- GEG
1 stop8h 13m
Delta
Deal found 3/19![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 4/287:10 am
GEG
- DCA
1 stop6h 54m
United Airlines
Wed 4/296:00 am
DCA
- GEG
2 stops12h 15m
United Airlines
Deal found 3/18![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 3/19. 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 4/174:20 pm
BOI
- IAD
1 stop6h 00m
Southwest
Mon 4/204:30 pm
IAD
- BOI
1 stop10h 30m
Southwest
Deal found 3/19![Southwest logo]()
$392
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 4/2510:45 am
BOI
- EWR
2 stops10h 49m
Delta
Sat 5/29:39 am
EWR
- BOI
2 stops9h 42m
Delta
Deal found 3/16![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 4/212:22 pm
BOI
- IAD
1 stop13h 18m
Alaska Airlines
Fri 5/17:20 pm
IAD
- BOI
1 stop16h 22m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$361
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:05 am
BOI
- LGA
2 stops13h 10m
Southwest
Sun 4/197:15 am
LGA
- BOI
1 stop8h 20m
Southwest
Deal found 3/16![Southwest logo]()
$401
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 4/2512:52 pm
BOI
- JFK
1 stop9h 07m
Delta
Sat 5/210:00 am
JFK
- BOI
1 stop9h 21m
Delta
Deal found 3/16![Delta logo]()
$321
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.
Thu 6/48:45 am
BOI
- DCA
1 stop12h 15m
Southwest
Sun 6/75:35 pm
DCA
- BOI
2 stops9h 45m
Southwest
Deal found 3/15![Southwest logo]()
$403
Last-minute flights from Idaho to PennsylvaniaDiscover last-minute flight deals from Idaho to Pennsylvania. Data last updated March 20, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Pennsylvania. Data last updated March 20, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:03 pm
BOI
- DCA
1 stop21h 59m
Frontier
Sat 4/181:59 pm
DCA
- BOI
1 stop23h 09m
Frontier
Deal found 3/15![Frontier logo]()
$233
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 4/142:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Sat 4/186:00 am
IAD
- BOI
1 stop9h 07m
Delta
Deal found 3/16![Delta logo]()
$271
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 4/1410:40 pm
GEG
- DCA
1 stop7h 29m
Delta
Sat 4/186:00 am
DCA
- GEG
1 stop8h 41m
Delta
Deal found 3/16![Delta logo]()
$271
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 4/148:40 pm
BOI
- DCA
2 stops9h 57m
Delta
Tue 4/214:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 3/16![Delta logo]()
$276
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
GEG
- IAD
1 stop6h 55m
Southwest
Wed 4/225:30 pm
IAD
- GEG
1 stop8h 25m
Southwest
Deal found 3/16![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 3/18. 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 4/1512:36 pm
GEG
- JFK
1 stop9h 12m
Delta
Wed 4/227:45 am
JFK
- GEG
1 stop10h 04m
Delta
Deal found 3/18![Delta logo]()
$279
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
BOI
- DCA
1 stop8h 06m
Multiple Airlines
Tue 4/218:59 am
DCA
- BOI
1 stop16h 48m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$251
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.
Sat 4/181:22 pm
GEG
- LGA
1 stop7h 28m
American Airlines
Sat 4/257:29 am
LGA
- GEG
1 stop8h 03m
American Airlines
Deal found 3/15![American Airlines logo]()
$276
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 4/255:40 am
BOI
- DCA
1 stop7h 47m
Delta
Tue 4/284:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 3/16![Delta logo]()
$271
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 4/256:00 am
BOI
- IAD
2 stops11h 56m
Delta
Tue 4/287:00 am
IAD
- BOI
1 stop8h 12m
Delta
Deal found 3/16![Delta logo]()
$276
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
BOI
- JFK
1 stop8h 28m
Alaska Airlines
Sat 5/27:00 am
JFK
- BOI
1 stop8h 52m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$276
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 4/251:53 pm
BOI
- LGA
1 stop7h 59m
American Airlines
Sat 5/27:00 am
LGA
- BOI
1 stop8h 03m
American Airlines
Deal found 3/16![American Airlines logo]()
$279
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 March 20, 2026.
Search for one-way flight options from Idaho to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
This Priceline deal was found by Cheapflights users on 3/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- DCA
1 stop6h 36m
Frontier
Deal found 3/18![Frontier logo]()
$110
This Priceline deal was found by Cheapflights users on 3/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Deal found 3/18![Frontier logo]()
$125
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 4/292:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Deal found 3/17![Delta logo]()
$136
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.
Tue 5/1210:40 pm
GEG
- IAD
1 stop7h 36m
Delta
Deal found 3/17![Delta logo]()
$136
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 4/1411:35 pm
BOI
- DCA
1 stop7h 34m
Delta
Deal found 3/16![Delta logo]()
$136
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 5/512:36 pm
GEG
- DCA
1 stop8h 05m
Delta
Deal found 3/16![Delta logo]()
$136
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 4/146:16 pm
BOI
- IAD
2 stops12h 59m
Delta
Deal found 3/16![Delta logo]()
$141
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 4/2810:02 am
BOI
- JFK
1 stop10h 57m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$141
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.
Tue 5/1210:40 pm
GEG
- DCA
2 stops12h 22m
Delta
Deal found 3/17![Delta logo]()
$141
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:29 pm
BOI
- LGA
1 stop8h 09m
American Airlines
Deal found 3/17![American Airlines logo]()
$141
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2911:33 am
GEG
- DCA
1 stop7h 26m
Frontier
Deal found 3/16![Frontier logo]()
$142
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:13 pm
GEG
- DCA
1 stop7h 44m
American Airlines
Deal found 3/17![American Airlines logo]()
$143
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 March 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Expedia) |
One-way from | $110 (Priceline) |
Popular in | December |
Cheapest in | January |
Average price | $462 |
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 March 20, 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
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Tue 4/14
6:32 am-5:22 pm
1 stop8h 50m
Washington, D.C. Dulles Intl
Wed 4/15
7:00 am-3:29 pm
1 stop10h 29m
$271
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Sat 5/9
10:45 am-10:55 pm
1 stop9h 10m
Washington, D.C. Dulles Intl
Tue 5/12
6:20 am-10:15 am
1 stop6h 55m
$271
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Tue 4/14
5:40 am-3:27 pm
1 stop7h 47m
Washington, D.C. Reagan-National
Tue 4/21
4:39 pm-12:17 am
1 stop9h 38m
$271
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 4/29
2:18 pm-12:42 am
1 stop8h 24m
Washington, D.C. Dulles Intl
Sat 5/2
6:00 am-2:26 pm
2 stops10h 26m
$276
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Sat 5/9
5:00 am-3:30 pm
1 stop7h 30m
Washington, D.C. Reagan-National
Tue 5/12
5:28 pm-11:35 pm
2 stops9h 07m
$276
BoiseNew York
BOI - LGA
BOILGA
Boise Air Term. Gowen Fld
Sat 4/18
8:20 am-7:18 pm
1 stop8h 58m
New York LaGuardia
Sat 4/25
6:10 am-11:49 am
1 stop7h 39m
$281
Quickest round-trip
BoiseNewark
BOI - EWR
BOIEWR
Boise Air Term. Gowen Fld
Sat 4/18
3:23 pm-11:34 pm
1 stop6h 11m
Newark
Sat 4/25
1:15 pm-9:01 pm
2 stops9h 46m
$294
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Fri 5/8
4:15 pm-8:37 am
2 stops13h 22m
Washington, D.C. Reagan-National
Tue 5/12
4:40 pm-10:51 pm
1 stop9h 11m
$294
SpokaneNewark
GEG - EWR
GEGEWR
Spokane
Wed 4/15
7:10 am-11:11 pm
1 stop13h 01m
Newark
Wed 4/22
3:30 pm-11:11 pm
1 stop10h 41m
$297
SpokaneNewark
GEG - EWR
GEGEWR
Spokane
Tue 4/14
3:30 pm-6:00 am
2 stops11h 30m
Newark
Tue 4/21
6:05 am-1:04 pm
1 stop9h 59m
$302
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-IAD
GEG-DCA
BOI-JFK
BOI-LGA
GEG-EWR
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-IAD
GEG-DCA
BOI-JFK
BOI-LGA
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 $130). Flying from Idaho to Pennsylvania in December is currently the most expensive (average of $322). 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 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 March 20, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Idaho to Pennsylvania. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 March 20, 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 5 airlines flying from Idaho to Pennsylvania
Discover the top 5 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 March 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$352 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$206 | Average$484 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$257 | Average$550 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$493 | FlexibilityNo cancel fee | On-time63% |