$105+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Jun 3 — Jun 101
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Pennsylvania with Cheapflights
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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 May 4, 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 May 4, 2026.
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:25 pm
BOI
- DCA
1 stop21h 26m
Frontier
Sun 7/127:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:25 pm
BOI
- DCA
1 stop25h 34m
Frontier
Sun 6/77:00 am
DCA
- BOI
1 stop7h 38m
Frontier
Deal found 5/2![Frontier logo]()
$235
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 9/191:15 pm
BOI
- IAD
1 stop8h 36m
Delta
Tue 9/227:10 am
IAD
- BOI
1 stop10h 28m
Delta
Deal found 4/30![Delta logo]()
$263
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 9/191:18 pm
BOI
- DCA
1 stop7h 36m
American Airlines
Sat 9/265:00 am
DCA
- BOI
1 stop8h 26m
American Airlines
Deal found 4/30![American Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 5/2810:40 pm
GEG
- LGA
1 stop8h 05m
Delta
Fri 5/292:59 pm
LGA
- GEG
1 stop9h 21m
Delta
Deal found 4/29![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 4/29. 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 9/161:43 pm
BOI
- LGA
1 stop8h 07m
Delta
Sat 9/196:05 am
LGA
- BOI
1 stop9h 58m
Delta
Deal found 4/29![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/29. 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 5/279:16 pm
BOI
- IAD
2 stops12h 02m
Delta
Tue 6/27:00 am
IAD
- BOI
1 stop9h 41m
Delta
Deal found 4/29![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 9/193:25 pm
BOI
- DCA
1 stop6h 03m
Delta
Tue 9/226:00 am
DCA
- BOI
2 stops10h 03m
Delta
Deal found 4/30![Delta logo]()
$268
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/225:11 pm
BOI
- IAD
2 stops13h 27m
American Airlines
Tue 9/292:46 pm
IAD
- BOI
1 stop9h 31m
American Airlines
Deal found 4/30![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 4/29. 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 5/279:16 pm
BOI
- IAD
2 stops12h 02m
Delta
Wed 6/38:05 am
IAD
- BOI
2 stops11h 45m
Delta
Deal found 4/29![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/1. 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.
Thu 5/2810:50 am
BOI
- DCA
2 stops10h 09m
Delta
Mon 6/16:05 am
DCA
- BOI
2 stops7h 51m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 4/29. 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 7/1410:48 pm
GEG
- IAD
1 stop7h 38m
Delta
Tue 7/216:46 pm
IAD
- GEG
1 stop7h 20m
Delta
Deal found 4/29![Delta logo]()
$275
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 May 4, 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 May 4, 2026.
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 9/191:15 pm
BOI
- IAD
1 stop8h 36m
Delta
Sat 9/267:10 am
IAD
- BOI
1 stop9h 12m
Delta
Deal found 4/30![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/18:51 pm
BOI
- JFK
1 stop8h 25m
Alaska Airlines
Tue 6/97:00 am
JFK
- BOI
1 stop10h 34m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 6/56:00 am
GEG
- LGA
1 stop11h 50m
Southwest
Mon 6/83:00 pm
LGA
- GEG
2 stops11h 25m
Southwest
Deal found 4/30![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:35 am
BOI
- EWR
1 stop11h 15m
United Airlines
Mon 7/67:00 am
EWR
- BOI
1 stop11h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 4/30. 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 7/82:04 pm
BOI
- IAD
1 stop8h 37m
Delta
Wed 7/156:00 am
IAD
- BOI
1 stop8h 53m
Delta
Deal found 4/30![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:49 am
GEG
- LGA
1 stop9h 11m
Delta
Fri 5/292:59 pm
LGA
- GEG
1 stop9h 21m
Delta
Deal found 5/2![Delta logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/226:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Wed 9/237:00 am
IAD
- GEG
1 stop8h 39m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 5/1. 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 10/313:22 pm
BOI
- LGA
1 stop6h 23m
Delta
Sun 11/87:00 pm
LGA
- BOI
1 stop6h 55m
Delta
Deal found 5/1![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/288:38 pm
GEG
- JFK
1 stop7h 38m
Alaska Airlines
Wed 6/37:00 am
JFK
- GEG
1 stop9h 04m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:43 pm
BOI
- LGA
1 stop8h 07m
Delta
Sat 9/196:05 am
LGA
- BOI
1 stop9h 58m
Delta
Deal found 5/2![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/18:38 pm
GEG
- IAD
1 stop7h 56m
Alaska Airlines
Mon 6/86:00 am
IAD
- GEG
1 stop8h 42m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 6/19:18 pm
BOI
- DCA
2 stops9h 19m
Delta
Sat 6/66:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Deal found 4/30![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:27 pm
GEG
- LGA
1 stop7h 51m
Delta
Wed 6/312:55 pm
LGA
- GEG
2 stops11h 25m
Delta
Deal found 5/2![Delta logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/257:19 am
BOI
- IAD
1 stop8h 55m
Alaska Airlines
Wed 8/267:00 am
IAD
- BOI
1 stop9h 22m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 4/29. 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.
Fri 7/248:45 am
BOI
- DCA
1 stop9h 10m
Southwest
Sat 8/13:35 pm
DCA
- BOI
2 stops10h 50m
Southwest
Deal found 4/29![Southwest logo]()
$436
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/22:41 pm
BOI
- EWR
1 stop8h 23m
United Airlines
Sun 7/56:00 am
EWR
- BOI
1 stop7h 32m
United Airlines
Deal found 5/3![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/2211:42 pm
BOI
- DCA
2 stops12h 20m
Delta
Wed 7/296:00 am
DCA
- BOI
2 stops8h 14m
Delta
Deal found 5/3![Delta logo]()
$273
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/86:00 am
BOI
- LGA
2 stops8h 55m
Southwest
Sat 9/129:40 am
LGA
- BOI
2 stops10h 55m
Southwest
Deal found 5/3![Southwest logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 10/161:29 pm
BOI
- JFK
1 stop15h 56m
Alaska Airlines
Tue 10/205:29 pm
JFK
- BOI
1 stop8h 30m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/112:38 pm
BOI
- DCA
1 stop8h 16m
United Airlines
Wed 7/83:30 pm
DCA
- BOI
1 stop9h 26m
United Airlines
Deal found 4/29![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 4/30. 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 7/810:48 pm
GEG
- IAD
1 stop9h 49m
Delta
Tue 7/143:02 pm
IAD
- GEG
1 stop9h 31m
Delta
Deal found 4/30![Delta logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am
BOI
- JFK
1 stop7h 47m
Alaska Airlines
Thu 11/510:00 am
JFK
- BOI
1 stop8h 49m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/174:25 pm
JAC
- EWR
1 stop6h 24m
United Airlines
Tue 9/226:00 pm
EWR
- JAC
Nonstop5h 05m
United Airlines
Deal found 5/3![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/182:02 pm
BOI
- JFK
1 stop9h 12m
Delta
Sat 8/224:27 pm
JFK
- BOI
1 stop8h 03m
Delta
Deal found 5/3![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 10/97:44 pm
GEG
- EWR
1 stop15h 37m
Alaska Airlines
Sat 10/314:00 pm
EWR
- GEG
1 stop9h 57m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:05 am
JAC
- EWR
Nonstop4h 14m
United Airlines
Mon 5/255:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Deal found 5/3![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 4/30. 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 9/1612:42 pm
BOI
- JFK
1 stop9h 27m
Delta
Sat 9/197:45 am
JFK
- BOI
1 stop8h 18m
Delta
Deal found 4/30![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:05 am
JAC
- EWR
Nonstop4h 14m
United Airlines
Sun 5/245:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Deal found 5/2![United Airlines logo]()
$486
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 10/97:00 am
GEG
- JFK
1 stop20h 36m
Alaska Airlines
Sat 10/2410:00 am
JFK
- GEG
1 stop8h 40m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:15 pm
BOI
- JFK
1 stop10h 28m
Delta
Sat 5/306:06 am
JFK
- BOI
1 stop8h 05m
Delta
Deal found 5/3![Delta logo]()
$287
Last-minute flights from Idaho to PennsylvaniaDiscover last-minute flight deals from Idaho to Pennsylvania. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Pennsylvania. Data last updated May 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/231:41 pm
GEG
- IAD
1 stop6h 51m
United Airlines
Sat 6/66:10 am
IAD
- GEG
1 stop8h 40m
United Airlines
Deal found 5/1![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 4/29. 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 5/279:16 pm
BOI
- IAD
2 stops12h 02m
Delta
Tue 6/27:00 am
IAD
- BOI
1 stop9h 41m
Delta
Deal found 4/29![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/29. 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 5/279:16 pm
BOI
- DCA
2 stops9h 21m
Delta
Wed 6/36:30 am
DCA
- BOI
1 stop8h 48m
Delta
Deal found 4/29![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/29. 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 5/279:16 pm
BOI
- IAD
2 stops12h 02m
Delta
Wed 6/38:05 am
IAD
- BOI
2 stops11h 45m
Delta
Deal found 4/29![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 5/2810:40 pm
GEG
- LGA
1 stop8h 05m
Delta
Fri 5/292:59 pm
LGA
- GEG
1 stop9h 21m
Delta
Deal found 4/29![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 5/1. 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.
Thu 5/2810:50 am
BOI
- DCA
2 stops10h 09m
Delta
Mon 6/16:05 am
DCA
- BOI
2 stops7h 51m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 5/285:35 am
GEG
- LGA
2 stops8h 40m
Delta
Wed 6/32:46 pm
LGA
- GEG
2 stops11h 49m
Delta
Deal found 4/30![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 5/292:23 pm
BOI
- LGA
1 stop7h 21m
Delta
Fri 6/54:00 pm
LGA
- BOI
1 stop8h 28m
Delta
Deal found 5/1![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/299:16 pm
BOI
- JFK
1 stop7h 40m
Delta
Sat 6/67:05 am
JFK
- BOI
1 stop9h 36m
Delta
Deal found 5/4![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/305:41 am
GEG
- LGA
1 stop10h 41m
American Airlines
Tue 6/27:20 am
LGA
- GEG
1 stop9h 01m
American Airlines
Deal found 4/29![American Airlines logo]()
$278
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:25 pm
BOI
- DCA
1 stop25h 34m
Frontier
Sun 6/77:00 am
DCA
- BOI
1 stop7h 38m
Frontier
Deal found 5/2![Frontier logo]()
$235
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 6/111:39 pm
BOI
- DCA
1 stop9h 21m
Delta
Sat 6/66:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Deal found 4/30![Delta logo]()
$263
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 May 4, 2026.
Search for one-way flight options from Idaho to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Priceline deal was found by Cheapflights users on 5/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:25 pm
BOI
- DCA
1 stop6h 34m
Frontier
Deal found 5/1![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/30. 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.
Tue 9/2212:59 pm
BOI
- DCA
1 stop6h 59m
Frontier
Deal found 4/30![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/1412:20 pm
BOI
- IAD
1 stop9h 43m
Delta
Deal found 4/30![Delta logo]()
$132
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/143:10 pm
BOI
- DCA
1 stop6h 49m
American Airlines
Deal found 4/30![American Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 4/30. 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 8/510:48 pm
GEG
- LGA
1 stop9h 55m
Delta
Deal found 4/30![Delta logo]()
$133
This Delta deal was found by Cheapflights users on 4/30. 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 8/1411:30 pm
BOI
- LGA
1 stop9h 17m
Delta
Deal found 4/30![Delta logo]()
$134
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier 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 5/1![Frontier logo]()
$135
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/173:12 pm
BOI
- DCA
1 stop6h 47m
American Airlines
Deal found 5/3![American Airlines logo]()
$136
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/1410:29 am
BOI
- DCA
2 stops10h 30m
Delta
Deal found 4/30![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:37 pm
GEG
- IAD
1 stop9h 18m
United Airlines
Deal found 4/30![United Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Thu 5/287:25 pm
GEG
- LGA
2 stops10h 46m
United Airlines
Deal found 5/1![United Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 6/68:45 am
BOI
- LGA
2 stops11h 13m
Delta
Deal found 4/30![Delta logo]()
$139
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 May 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Expedia) |
One-way from | $105 (Priceline) |
Popular in | December |
Cheapest in | January |
Average price | $396 |
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 May 4, 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
Sat 9/19
1:15 pm-11:51 pm
1 stop8h 36m
Washington, D.C. Dulles Intl
Sat 9/26
7:10 am-2:22 pm
1 stop9h 12m
$263
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 7/8
2:04 pm-12:41 am
1 stop8h 37m
Washington, D.C. Dulles Intl
Wed 7/15
6:00 am-12:53 pm
1 stop8h 53m
$263
SpokaneNew York
GEG - LGA
GEGLGA
Spokane
Sat 5/23
6:49 am-7:00 pm
1 stop9h 11m
New York LaGuardia
Fri 5/29
2:59 pm-9:20 pm
1 stop9h 21m
$265
BoiseNew York
BOI - LGA
BOILGA
Boise Air Term. Gowen Fld
Sat 10/31
3:22 pm-11:45 pm
1 stop6h 23m
New York LaGuardia
Sun 11/8
7:00 pm-11:55 pm
1 stop6h 55m
$267
BoiseNew York
BOI - LGA
BOILGA
Boise Air Term. Gowen Fld
Wed 9/16
1:43 pm-11:50 pm
1 stop8h 07m
New York LaGuardia
Sat 9/19
6:05 am-2:03 pm
1 stop9h 58m
$267
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Mon 6/1
9:18 pm-8:37 am
2 stops9h 19m
Washington, D.C. Reagan-National
Sat 6/6
6:59 pm-11:46 pm
1 stop6h 47m
$268
SpokaneNew York
GEG - LGA
GEGLGA
Spokane
Thu 5/28
12:27 pm-11:18 pm
1 stop7h 51m
New York LaGuardia
Wed 6/3
12:55 pm-9:20 pm
2 stops11h 25m
$270
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Wed 7/22
11:42 pm-2:02 pm
2 stops12h 20m
Washington, D.C. Reagan-National
Wed 7/29
6:00 am-12:14 pm
2 stops8h 14m
$273
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 7/8
10:48 pm-11:37 am
1 stop9h 49m
Washington, D.C. Dulles Intl
Tue 7/14
3:02 pm-9:33 pm
1 stop9h 31m
$275
BoiseNew York
BOI - JFK
BOIJFK
Boise Air Term. Gowen Fld
Mon 6/1
8:51 pm-7:16 am
1 stop8h 25m
New York John F Kennedy Intl
Tue 6/9
7:00 am-3:34 pm
1 stop10h 34m
$287
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
GEG-LGA
BOI-LGA
GEG-IAD
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
GEG-LGA
BOI-LGA
How far ahead should I book a flight from Idaho to Pennsylvania?
To ensure you get the cheapest price possible for a flight from Idaho to Pennsylvania, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Idaho to Pennsylvania?
Currently, July is the cheapest month in which you can book a flight from Idaho to Pennsylvania (average of $116). 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 May 4, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, 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.
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 May 4, 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$352 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$206 | Average$466 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$257 | Average$569 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$531 | FlexibilityNo cancel fee | On-time63% |