$63+ Cheap flights from Illinois 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to PennsylvaniaExplore the most affordable flight options available from Illinois to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
Explore the most affordable flight options available from Illinois to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Wed 6/310:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Mon 6/88:42 pm
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$126
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Mon 6/18:42 pm
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 4/29![Spirit Airlines logo]()
$127
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Wed 6/108:47 pm
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$128
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Wed 6/108:42 pm
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$129
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Wed 5/206:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$132
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Fri 5/296:29 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$139
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Mon 6/15:01 pm
EWR
- ORD
Nonstop2h 37m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$139
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Tue 6/168:47 pm
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$140
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Fri 6/58:42 pm
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$142
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:49 pm
ORD
- LGA
Nonstop2h 11m
Multiple Airlines
Tue 6/26:29 am
LGA
- ORD
1 stop14h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$143
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:29 pm
ORD
- EWR
1 stop7h 00m
Multiple Airlines
Mon 6/85:01 pm
EWR
- ORD
Nonstop2h 37m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$143
Best flights from Illinois to PennsylvaniaDiscover carefully curated flight deals from Illinois to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from Illinois to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
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 6/195:45 pm
ORD
- LGA
Nonstop2h 22m
Delta
Sat 6/202:50 pm
LGA
- ORD
Nonstop3h 00m
Delta
Deal found 5/1![Delta logo]()
$177
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.
Tue 7/218:00 am
ORD
- LGA
Nonstop2h 17m
United Airlines
Fri 7/249:25 pm
LGA
- ORD
Nonstop2h 33m
United Airlines
Deal found 4/30![United Airlines logo]()
$177
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:45 pm
MDW
- LGA
Nonstop2h 10m
Southwest
Wed 6/246:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Deal found 5/4![Southwest logo]()
$177
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:00 pm
ORD
- JFK
Nonstop2h 17m
JetBlue
Thu 10/2910:00 am
JFK
- ORD
Nonstop2h 56m
JetBlue
Deal found 5/3![JetBlue logo]()
$197
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.
Fri 7/249:30 pm
ORD
- EWR
Nonstop2h 23m
United Airlines
Sun 7/266:00 am
EWR
- ORD
Nonstop2h 42m
United Airlines
Deal found 4/30![United Airlines logo]()
$177
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:05 pm
MDW
- LGA
1 stop5h 20m
Southwest
Tue 6/236:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Deal found 5/4![Southwest logo]()
$187
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.
Fri 5/297:10 pm
ORD
- LGA
Nonstop2h 22m
Delta
Tue 6/911:30 am
LGA
- ORD
Nonstop2h 44m
Delta
Deal found 5/3![Delta logo]()
$192
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 5/283:00 pm
ORD
- LGA
Nonstop2h 22m
United Airlines
Fri 8/78:25 pm
LGA
- ORD
Nonstop2h 47m
United Airlines
Deal found 5/1![United Airlines logo]()
$182
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 5/296:31 pm
ORD
- JFK
Nonstop2h 29m
Delta
Wed 6/310:30 am
JFK
- ORD
Nonstop2h 46m
Delta
Deal found 4/30![Delta logo]()
$192
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:15 am
MDW
- LGA
Nonstop2h 00m
Southwest
Mon 6/19:45 pm
LGA
- MDW
Nonstop2h 25m
Southwest
Deal found 5/1![Southwest logo]()
$197
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:00 pm
ORD
- LGA
Nonstop2h 22m
United Airlines
Wed 6/246:00 am
LGA
- ORD
1 stop4h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$187
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:27 pm
ORD
- JFK
Nonstop2h 46m
JetBlue
Mon 7/137:05 am
JFK
- ORD
Nonstop2h 43m
JetBlue
Deal found 5/4![JetBlue logo]()
$229
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:40 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Sun 6/146:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Deal found 5/4![Southwest logo]()
$197
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 6/1812:50 pm
MDW
- EWR
1 stop6h 54m
Delta
Mon 6/2210:31 am
EWR
- MDW
1 stop6h 45m
Delta
Deal found 5/2![Delta logo]()
$197
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.
Wed 6/103:00 pm
ORD
- LGA
Nonstop2h 22m
United Airlines
Sun 6/146:10 am
LGA
- ORD
Nonstop2h 39m
United Airlines
Deal found 4/30![United Airlines logo]()
$187
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 6/115:11 pm
MDW
- EWR
1 stop6h 46m
Delta
Sun 6/146:00 am
EWR
- MDW
1 stop4h 14m
Delta
Deal found 4/30![Delta logo]()
$197
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:00 pm
ORD
- JFK
Nonstop2h 20m
JetBlue
Wed 10/2810:00 am
JFK
- ORD
Nonstop2h 56m
JetBlue
Deal found 5/2![JetBlue logo]()
$241
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.
Sun 6/285:00 am
ORD
- EWR
Nonstop2h 14m
United Airlines
Mon 6/299:40 pm
EWR
- ORD
Nonstop2h 50m
United Airlines
Deal found 4/29![United Airlines logo]()
$187
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
MDW
- LGA
Nonstop2h 00m
Southwest
Sun 8/96:00 am
LGA
- MDW
Nonstop2h 15m
Southwest
Deal found 5/4![Southwest logo]()
$207
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.
Wed 8/1911:30 am
ORD
- EWR
1 stop6h 57m
Delta
Sat 8/226:00 am
EWR
- ORD
1 stop5h 24m
Delta
Deal found 5/1![Delta logo]()
$197
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:00 am
ORD
- JFK
Nonstop2h 20m
JetBlue
Mon 7/66:00 am
JFK
- ORD
1 stop5h 06m
JetBlue
Deal found 4/30![JetBlue logo]()
$250
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.
Sat 6/66:40 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Sun 6/76:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Deal found 4/29![Southwest logo]()
$207
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.
Sun 5/246:00 am
ORD
- EWR
Nonstop2h 12m
United Airlines
Mon 5/257:18 am
EWR
- ORD
Nonstop2h 42m
United Airlines
Deal found 4/29![United Airlines logo]()
$192
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.
Tue 9/296:00 am
ORD
- JFK
Nonstop2h 23m
Delta
Tue 10/63:40 pm
JFK
- ORD
Nonstop2h 54m
Delta
Deal found 5/2![Delta logo]()
$197
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:35 pm
ORD
- JFK
1 stop9h 06m
JetBlue
Fri 7/107:05 am
JFK
- ORD
Nonstop2h 43m
JetBlue
Deal found 5/4![JetBlue logo]()
$256
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.
Fri 10/26:00 pm
ORD
- LGA
Nonstop2h 15m
United Airlines
Sun 10/49:10 pm
LGA
- ORD
Nonstop2h 27m
United Airlines
Deal found 5/2![United Airlines logo]()
$197
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.
Thu 5/282:40 pm
ORD
- LGA
1 stop7h 20m
Southwest
Tue 6/211:25 am
LGA
- ORD
2 stops11h 30m
Southwest
Deal found 5/3![Southwest logo]()
$217
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 6/1810:05 am
ORD
- JFK
Nonstop2h 25m
Delta
Mon 6/227:35 pm
JFK
- ORD
Nonstop3h 13m
Delta
Deal found 4/29![Delta logo]()
$207
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 6/49:34 pm
ORD
- EWR
Nonstop2h 23m
United Airlines
Tue 6/99:40 pm
EWR
- ORD
Nonstop2h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$197
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:15 am
MDW
- LGA
Nonstop2h 00m
Southwest
Sun 6/216:00 am
LGA
- MDW
Nonstop2h 20m
Southwest
Deal found 5/1![Southwest logo]()
$227
Last-minute flights from Illinois to PennsylvaniaDiscover last-minute flight deals from Illinois to Pennsylvania. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Pennsylvania. Data last updated May 5, 2026 and is based on user searches.
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:49 pm
ORD
- LGA
Nonstop2h 11m
Multiple Airlines
Sat 5/168:24 pm
LGA
- ORD
1 stop12h 31m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$170
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Wed 8/192:45 pm
EWR
- ORD
Nonstop2h 26m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$147
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:39 am
ORD
- LGA
1 stop9h 55m
Multiple Airlines
Tue 8/186:02 pm
LGA
- ORD
Nonstop2h 37m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$155
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Tue 8/182:45 pm
EWR
- ORD
Nonstop2h 26m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$161
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Mon 5/185:01 pm
EWR
- ORD
Nonstop2h 37m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$163
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:59 pm
ORD
- EWR
Nonstop2h 07m
Multiple Airlines
Mon 5/1810:29 pm
EWR
- ORD
1 stop10h 26m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$170
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:49 pm
ORD
- LGA
Nonstop2h 11m
Spirit Airlines
Tue 8/186:02 pm
LGA
- ORD
Nonstop2h 37m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$171
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:59 am
MDW
- EWR
1 stop8h 30m
Frontier
Mon 6/110:29 pm
EWR
- MDW
1 stop13h 43m
Frontier
Deal found 5/4![Frontier logo]()
$167
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Wed 6/310:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
MDW
- LGA
1 stop13h 56m
Frontier
Thu 6/46:29 am
LGA
- MDW
1 stop16h 33m
Frontier
Deal found 5/4![Frontier logo]()
$160
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Thu 6/45:55 am
EWR
- STL
1 stop28h 00m
Frontier
Deal found 5/2![Frontier logo]()
$162
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:04 pm
MDW
- EWR
1 stop8h 25m
Frontier
Wed 6/105:58 am
EWR
- MDW
1 stop17h 13m
Frontier
Deal found 5/4![Frontier logo]()
$171
One-way flights from Illinois to PennsylvaniaSearch for one-way flight options from Illinois to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
Search for one-way flight options from Illinois to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Deal found 5/4![Frontier logo]()
$63
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:27 pm
STL
- EWR
1 stop27h 02m
Frontier
Deal found 5/4![Frontier logo]()
$65
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Deal found 5/3![Frontier logo]()
$72
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:27 pm
MDW
- EWR
1 stop8h 02m
Frontier
Deal found 5/4![Frontier logo]()
$73
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:29 pm
ORD
- EWR
1 stop7h 00m
Frontier
Deal found 5/1![Frontier logo]()
$73
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:54 pm
ORD
- EWR
Nonstop2h 05m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$74
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$76
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:27 pm
MDW
- LGA
1 stop7h 29m
Frontier
Deal found 5/4![Frontier logo]()
$77
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/2![Frontier logo]()
$77
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:06 pm
STL
- EWR
1 stop27h 23m
Frontier
Deal found 5/3![Frontier logo]()
$79
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:52 pm
ORD
- PHL
Nonstop2h 26m
Frontier
Deal found 4/30![Frontier logo]()
$80
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:59 pm
ORD
- EWR
Nonstop2h 07m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$80
Find flight deals from Illinois to Pennsylvania
Keep the following information in mind while searching for Illinois to Pennsylvania flight deals. Data was last updated May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $124 (Kiwi.com) |
One-way from | $63 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $284 |
Good round-trip deal | $253 or less |
Good one-way deal | $115 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 5, 2026.
Use the filters below to find and compare flights from Illinois to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Fri 6/19
5:45 pm-9:07 pm
Nonstop2h 22m
New York LaGuardia
Sat 6/20
2:50 pm-4:50 pm
Nonstop3h 00m
$177
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Tue 7/21
8:00 am-11:17 am
Nonstop2h 17m
New York LaGuardia
Fri 7/24
9:25 pm-10:58 pm
Nonstop2h 33m
$177
ChicagoNew York
MDW - LGA
MDWLGA
Chicago Midway
Fri 6/19
7:45 pm-10:55 pm
Nonstop2h 10m
New York LaGuardia
Wed 6/24
6:00 am-7:20 am
Nonstop2h 20m
$177
ChicagoNewark
ORD - EWR
ORDEWR
Chicago O'Hare Intl
Fri 7/24
9:30 pm-12:53 am
Nonstop2h 23m
Newark
Sun 7/26
6:00 am-7:42 am
Nonstop2h 42m
$177
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Thu 5/28
3:00 pm-6:22 pm
Nonstop2h 22m
New York LaGuardia
Fri 8/7
8:25 pm-10:12 pm
Nonstop2h 47m
$182
ChicagoNew York
MDW - LGA
MDWLGA
Chicago Midway
Fri 6/19
5:05 pm-11:25 pm
1 stop5h 20m
New York LaGuardia
Tue 6/23
6:00 am-7:20 am
Nonstop2h 20m
$187
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Fri 6/19
5:00 pm-8:22 pm
Nonstop2h 22m
New York LaGuardia
Wed 6/24
6:00 am-9:36 am
1 stop4h 36m
$187
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Wed 6/10
3:00 pm-6:22 pm
Nonstop2h 22m
New York LaGuardia
Sun 6/14
6:10 am-7:49 am
Nonstop2h 39m
$187
ChicagoNewark
ORD - EWR
ORDEWR
Chicago O'Hare Intl
Sun 6/28
5:00 am-8:14 am
Nonstop2h 14m
Newark
Mon 6/29
9:40 pm-11:30 pm
Nonstop2h 50m
$187
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Fri 5/29
7:10 pm-10:32 pm
Nonstop2h 22m
New York LaGuardia
Tue 6/9
11:30 am-1:14 pm
Nonstop2h 44m
$192
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Illinois with our price prediction graph.
STL-EWR
MDW-EWR
ORD-EWR
MDW-LGA
ORD-PHL
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 Illinois to Pennsylvania
USIL-USPA
STL-EWR
MDW-EWR
ORD-EWR
MDW-LGA
How far ahead should I book a flight from Illinois to Pennsylvania?
The price you pay for your flight from Illinois to Pennsylvania may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Illinois to Pennsylvania?
Currently, October is the cheapest month in which you can book a flight from Illinois to Pennsylvania (average of $218). Flying from Illinois to Pennsylvania in February is currently the most expensive (average of $603). 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.
What is the cheapest time of day to fly from IL to PA?
Find hourly flight availability from Illinois to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 5, 2026.
It’s optimal to fly from Illinois to Pennsylvania in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Illinois to Pennsylvania?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Pennsylvania. Price data was last updated on May 2, 2026.
Travelers seeking maximum savings on their Illinois to Pennsylvania flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Illinois to Pennsylvania
Explore weekly flight availability from Illinois to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 5, 2026.
The most flights from USIL to USPA are scheduled on a Monday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).
How much does it cost to fly round-trip from Illinois 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 5, 2026.
Read through reviews of airlines operating flights from Illinois to Pennsylvania, such as Southwest,United Airlines, andAmerican Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Illinois 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 Illinois 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 Illinois to Pennsylvania by cabin class
Find flights from Illinois to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Pennsylvania flights
Browse other Illinois and Pennsylvania flight options. Last updated on May 5, 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 Illinois after your stay in Pennsylvania
Illinois to Pennsylvania flights
Consider these flights traveling from Illinois to Pennsylvania.
Top 4 airlines flying from Illinois to Pennsylvania
Discover the top 4 airlines that operate flights from Illinois 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$101 | Average$423 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$116 | Average$356 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$391 | FlexibilityNo cancel fee | On-time69% |