$119+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Sep 1 — Sep 81
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 August 2, 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 August 2, 2026.
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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
- JFK
1 stop10h 41m
American Airlines
Thu 8/272:53 pm
JFK
- BOI
1 stop9h 18m
American Airlines
Deal found 7/31![American Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/2411:10 pm
BOI
- LGA
1 stop7h 00m
Delta
Sat 8/296:00 am
LGA
- BOI
1 stop9h 42m
Delta
Deal found 7/31![Delta logo]()
$237
This Expedia deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:50 pm
BOI
- IAD
1 stop13h 30m
Frontier
Mon 9/146:00 am
IAD
- BOI
1 stop9h 55m
Frontier
Deal found 8/1![Frontier logo]()
$242
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:10 pm
BOI
- LGA
1 stop8h 45m
Southwest
Sat 8/296:00 am
LGA
- BOI
2 stops11h 30m
Southwest
Deal found 8/1![Southwest logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:19 pm
BOI
- JFK
1 stop10h 41m
American Airlines
Sat 8/2910:00 am
JFK
- BOI
1 stop8h 49m
American Airlines
Deal found 8/1![American Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:44 pm
BOI
- LGA
1 stop6h 40m
United Airlines
Tue 9/17:45 am
LGA
- BOI
1 stop7h 53m
United Airlines
Deal found 8/1![United Airlines logo]()
$272
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Fri 9/182:50 pm
BOI
- IAD
1 stop13h 30m
Frontier
Mon 9/216:00 am
IAD
- BOI
1 stop9h 55m
Frontier
Deal found 7/30![Frontier logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/268:01 am
BOI
- JFK
1 stop11h 02m
American Airlines
Sat 9/510:00 am
JFK
- BOI
1 stop8h 49m
American Airlines
Deal found 7/28![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/261:59 pm
BOI
- LGA
1 stop7h 25m
Delta
Sat 9/56:00 am
LGA
- BOI
1 stop9h 42m
Delta
Deal found 7/29![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/266:00 am
BOI
- LGA
2 stops8h 55m
Southwest
Wed 9/22:30 pm
LGA
- BOI
2 stops10h 40m
Southwest
Deal found 7/29![Southwest logo]()
$282
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Sat 9/127:20 am
BOI
- IAD
1 stop8h 54m
Multiple Airlines
Mon 9/146:00 am
IAD
- BOI
1 stop9h 55m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/211:59 pm
BOI
- LGA
1 stop7h 25m
Delta
Thu 8/271:59 pm
LGA
- BOI
1 stop9h 58m
Delta
Deal found 7/30![Delta logo]()
$288
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 August 2, 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 August 2, 2026.
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:56 pm
GEG
- LGA
1 stop9h 47m
Delta
Fri 8/285:59 pm
LGA
- GEG
1 stop8h 10m
Delta
Deal found 8/1![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/194:20 pm
BOI
- IAD
1 stop11h 20m
Alaska Airlines
Tue 9/227:00 am
IAD
- BOI
1 stop10h 30m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:40 am
BOI
- IAD
1 stop8h 29m
United Airlines
Mon 1/184:08 pm
IAD
- BOI
1 stop7h 08m
United Airlines
Deal found 8/1![United Airlines logo]()
$303
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:30 am
BOI
- LGA
1 stop9h 25m
Southwest
Fri 9/182:35 pm
LGA
- BOI
2 stops10h 05m
Southwest
Deal found 7/28![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/311:10 pm
BOI
- IAD
1 stop8h 10m
Delta
Mon 9/76:00 am
IAD
- BOI
1 stop9h 42m
Delta
Deal found 7/28![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/24:09 pm
BOI
- EWR
1 stop11h 49m
Alaska Airlines
Sat 11/74:00 pm
EWR
- BOI
1 stop9h 51m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/265:00 am
GEG
- LGA
2 stops10h 25m
United Airlines
Fri 8/281:25 pm
LGA
- GEG
2 stops10h 21m
United Airlines
Deal found 7/31![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/207:35 am
GEG
- LGA
2 stops10h 15m
Southwest
Thu 10/291:25 pm
LGA
- GEG
2 stops11h 55m
Southwest
Deal found 7/30![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:13 pm
BOI
- IAD
1 stop10h 02m
Delta
Mon 1/186:00 am
IAD
- BOI
1 stop8h 39m
Delta
Deal found 8/1![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/194:18 pm
BOI
- EWR
1 stop12h 41m
Alaska Airlines
Tue 10/279:03 am
EWR
- BOI
1 stop8h 20m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:55 pm
JAC
- JFK
1 stop7h 19m
American Airlines
Wed 8/127:59 am
JFK
- JAC
1 stop8h 58m
American Airlines
Deal found 8/2![American Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:41 pm
BOI
- IAD
1 stop6h 38m
United Airlines
Fri 9/186:13 am
IAD
- BOI
1 stop7h 13m
United Airlines
Deal found 8/1![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:10 am
BOI
- LGA
2 stops9h 45m
Southwest
Thu 1/219:35 am
LGA
- BOI
1 stop8h 30m
Southwest
Deal found 8/2![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:08 pm
BOI
- IAD
1 stop8h 41m
Delta
Mon 10/267:05 am
IAD
- BOI
1 stop10h 15m
Delta
Deal found 7/31![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/22:51 pm
BOI
- LGA
1 stop6h 24m
United Airlines
Sat 11/73:29 pm
LGA
- BOI
1 stop9h 30m
United Airlines
Deal found 7/31![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/226:23 am
BOI
- IAD
1 stop8h 31m
Alaska Airlines
Sat 9/267:00 am
IAD
- BOI
1 stop10h 30m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 am
GEG
- LGA
2 stops11h 00m
Southwest
Tue 9/222:30 pm
LGA
- GEG
2 stops11h 00m
Southwest
Deal found 8/2![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/97:05 am
BOI
- JFK
1 stop10h 45m
Delta
Fri 9/182:45 pm
JFK
- BOI
1 stop10h 14m
Delta
Deal found 7/28![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:25 pm
BOI
- EWR
1 stop17h 37m
Alaska Airlines
Mon 9/284:35 pm
EWR
- BOI
1 stop9h 20m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:05 am
GEG
- LGA
1 stop8h 55m
Southwest
Sat 9/199:40 am
LGA
- GEG
2 stops11h 45m
Southwest
Deal found 7/29![Southwest logo]()
$350
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/251:38 pm
BOI
- IAD
1 stop9h 01m
Delta
Tue 12/17:30 am
IAD
- BOI
1 stop7h 03m
Delta
Deal found 7/30![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/2712:24 pm
BOI
- LGA
1 stop8h 46m
United Airlines
Sun 8/306:10 am
LGA
- BOI
1 stop7h 18m
United Airlines
Deal found 7/29![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 11/94:21 pm
BOI
- JFK
1 stop12h 44m
Alaska Airlines
Sun 11/157:00 am
JFK
- BOI
1 stop10h 27m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:15 pm
GEG
- JFK
1 stop8h 03m
Delta
Fri 8/287:01 am
JFK
- GEG
1 stop11h 18m
Delta
Deal found 8/1![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Mon 9/216:00 am
GEG
- LGA
1 stop6h 55m
Southwest
Fri 9/252:35 pm
LGA
- GEG
2 stops10h 30m
Southwest
Deal found 7/31![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 am
GEG
- LGA
1 stop7h 47m
United Airlines
Sun 11/17:15 am
LGA
- GEG
1 stop8h 03m
United Airlines
Deal found 7/31![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:24 pm
GEG
- JFK
1 stop7h 37m
Alaska Airlines
Thu 9/175:29 pm
JFK
- GEG
1 stop8h 42m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 1/61:43 pm
BOI
- EWR
1 stop7h 15m
Delta
Sun 1/106:00 am
EWR
- BOI
1 stop8h 42m
Delta
Deal found 7/29![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Mon 11/25:00 am
BOI
- LGA
2 stops8h 45m
Southwest
Sat 11/712:55 pm
LGA
- BOI
2 stops10h 40m
Southwest
Deal found 7/31![Southwest logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 1/239:53 am
BOI
- JFK
1 stop7h 39m
Alaska Airlines
Tue 1/264:45 pm
JFK
- BOI
1 stop9h 26m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$347
Last-minute flights from Idaho to PennsylvaniaDiscover last-minute flight deals from Idaho to Pennsylvania. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Pennsylvania. Data last updated August 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/211:59 pm
BOI
- LGA
1 stop7h 25m
Delta
Thu 8/271:59 pm
LGA
- BOI
1 stop9h 58m
Delta
Deal found 7/30![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/2411:10 pm
BOI
- LGA
1 stop7h 00m
Delta
Sat 8/296:00 am
LGA
- BOI
1 stop9h 42m
Delta
Deal found 7/31![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:10 pm
BOI
- LGA
1 stop8h 45m
Southwest
Sat 8/296:00 am
LGA
- BOI
2 stops11h 30m
Southwest
Deal found 8/1![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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
- LGA
1 stop9h 47m
Delta
Wed 8/266:00 am
LGA
- GEG
1 stop9h 57m
Delta
Deal found 7/29![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:56 pm
GEG
- LGA
1 stop9h 47m
Delta
Sun 8/306:00 am
LGA
- GEG
1 stop9h 57m
Delta
Deal found 8/1![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/261:59 pm
BOI
- LGA
1 stop7h 25m
Delta
Sat 9/56:00 am
LGA
- BOI
1 stop9h 42m
Delta
Deal found 7/29![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/266:00 am
BOI
- LGA
2 stops8h 55m
Southwest
Wed 9/22:30 pm
LGA
- BOI
2 stops10h 40m
Southwest
Deal found 7/29![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/262:44 pm
BOI
- LGA
1 stop6h 40m
United Airlines
Wed 9/23:29 pm
LGA
- BOI
2 stops9h 11m
United Airlines
Deal found 7/29![United Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/265:00 am
GEG
- LGA
1 stop9h 26m
United Airlines
Fri 8/281:25 pm
LGA
- GEG
2 stops10h 21m
United Airlines
Deal found 7/31![United Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/265:19 pm
BOI
- EWR
1 stop10h 41m
American Airlines
Sat 9/55:29 am
EWR
- BOI
1 stop10h 33m
American Airlines
Deal found 7/30![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/2712:12 pm
BOI
- LGA
1 stop9h 33m
American Airlines
Sun 8/306:11 am
LGA
- BOI
1 stop10h 18m
American Airlines
Deal found 7/28![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:44 pm
BOI
- LGA
1 stop6h 40m
United Airlines
Tue 9/17:45 am
LGA
- BOI
1 stop7h 53m
United Airlines
Deal found 8/1![United Airlines logo]()
$272
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 August 2, 2026.
Search for one-way flight options from Idaho to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/295:19 pm
BOI
- JFK
1 stop10h 41m
American Airlines
Deal found 7/29![American Airlines logo]()
$119
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:44 pm
BOI
- LGA
1 stop6h 40m
United Airlines
Deal found 8/1![United Airlines logo]()
$119
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Fri 8/285:19 pm
BOI
- JFK
1 stop10h 41m
American Airlines
Deal found 7/31![American Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/2910:36 am
BOI
- LGA
2 stops10h 34m
United Airlines
Deal found 7/31![United Airlines logo]()
$124
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/2512:36 pm
GEG
- LGA
1 stop7h 48m
Delta
Deal found 7/29![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/2712:23 pm
BOI
- IAD
1 stop9h 36m
Delta
Deal found 7/31![Delta logo]()
$152
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/315:19 pm
BOI
- JFK
1 stop10h 41m
American Airlines
Deal found 7/28![American Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/255:20 am
GEG
- JFK
1 stop9h 40m
American Airlines
Deal found 7/30![American Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 11/112:03 pm
BOI
- EWR
1 stop7h 53m
American Airlines
Deal found 7/28![American Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/3112:12 pm
BOI
- LGA
1 stop8h 15m
American Airlines
Deal found 7/29![American Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/265:00 am
GEG
- LGA
2 stops12h 25m
United Airlines
Deal found 7/31![United Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Fri 8/215:40 am
GEG
- LGA
1 stop10h 49m
American Airlines
Deal found 7/29![American Airlines logo]()
$156
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (American Airlines) |
One-way from | $119 (American Airlines) |
Popular in | February |
Cheapest in | January |
Average price | $378 |
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 August 2, 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
SpokaneNew York
GEG - LGA
GEGLGA
Spokane
Mon 8/24
10:56 pm-11:43 am
1 stop9h 47m
New York LaGuardia
Fri 8/28
5:59 pm-11:09 pm
1 stop8h 10m
$297
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Sat 9/19
4:20 pm-5:40 am
1 stop11h 20m
Washington, D.C. Dulles Intl
Tue 9/22
7:00 am-3:30 pm
1 stop10h 30m
$303
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Sat 12/12
8:40 am-7:09 pm
1 stop8h 29m
Washington, D.C. Dulles Intl
Mon 1/18
4:08 pm-9:16 pm
1 stop7h 08m
$303
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Thu 9/3
11:10 pm-9:20 am
1 stop8h 10m
Washington, D.C. Dulles Intl
Mon 9/7
6:00 am-1:42 pm
1 stop9h 42m
$303
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Sat 12/12
12:13 pm-12:15 am
1 stop10h 02m
Washington, D.C. Dulles Intl
Mon 1/18
6:00 am-12:39 pm
1 stop8h 39m
$303
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Thu 10/22
12:08 pm-10:49 pm
1 stop8h 41m
Washington, D.C. Dulles Intl
Mon 10/26
7:05 am-3:20 pm
1 stop10h 15m
$303
BoiseNewark
BOI - EWR
BOIEWR
Boise Air Term. Gowen Fld
Mon 11/2
4:09 pm-5:58 am
1 stop11h 49m
Newark
Sat 11/7
4:00 pm-11:51 pm
1 stop9h 51m
$307
SpokaneNew York
GEG - LGA
GEGLGA
Spokane
Wed 8/26
5:00 am-6:25 pm
2 stops10h 25m
New York LaGuardia
Fri 8/28
1:25 pm-8:46 pm
2 stops10h 21m
$307
BoiseNewark
BOI - EWR
BOIEWR
Boise Air Term. Gowen Fld
Mon 10/19
4:18 pm-6:59 am
1 stop12h 41m
Newark
Tue 10/27
9:03 am-3:23 pm
1 stop8h 20m
$307
BoiseNew York
BOI - LGA
BOILGA
Boise Air Term. Gowen Fld
Fri 9/11
11:30 am-10:55 pm
1 stop9h 25m
New York LaGuardia
Fri 9/18
2:35 pm-10:40 pm
2 stops10h 05m
$312
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-LGA
BOI-IAD
BOI-JFK
GEG-LGA
BOI-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-LGA
BOI-IAD
BOI-JFK
GEG-LGA
What is the cheapest month to book a flight from Idaho to Pennsylvania?
Currently, September is the cheapest month in which you can book a flight from Idaho to Pennsylvania (average of $397). Flying from Idaho to Pennsylvania in December is currently the most expensive (average of $648). 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?
Airfare is below average for this route at the moment.
Idaho to Pennsylvania flights typically cost between $329 and $485 in September.The cheapest round-trip price found within the last 5 days was $311 on Delta (Sep 2-Sep 9).
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 August 2, 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.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 August 2, 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$336 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$176 | Average$450 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$608 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$520 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$544 | FlexibilityNo cancel fee | On-time63% |