$62+ Cheap flights from Illinois to Pennsylvania
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Pennsylvania with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Pennsylvania
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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 September 22, 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 September 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/96:44 pm -
1 stop14h 52m
Wed 11/1811:35 am -
1 stop7h 05m
Deal found 9/21![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
1 stop15h 01m
Tue 10/2710:14 pm -
1 stop20h 26m
Deal found 9/20![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/136:44 pm -
1 stop14h 52m
Wed 11/1811:35 am -
1 stop7h 05m
Deal found 9/21![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/216:35 pm -
1 stop14h 58m
Tue 10/2710:14 pm -
1 stop20h 26m
Deal found 9/21![Frontier logo]()
$155
This deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:25 am -
Nonstop2h 24m
Thu 9/2411:54 am -
Nonstop2h 36m
Deal found 9/20![Frontier logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2012:35 pm -
1 stop6h 56m
Deal found 9/19![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
1 stop17h 46m
Sat 10/249:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:42 pm -
Nonstop2h 16m
Sun 11/89:09 pm -
Nonstop2h 34m
Deal found 9/18![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/20![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:42 pm -
Nonstop2h 16m
Thu 11/199:09 pm -
Nonstop2h 34m
Deal found 9/18![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:41 pm -
Nonstop2h 23m
Mon 10/199:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:41 pm -
Nonstop2h 23m
Sun 10/119:09 pm -
Nonstop2h 30m
Deal found 9/18![Frontier logo]()
$166
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 September 22, 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 September 22, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
Nonstop1h 59m
Tue 10/2710:30 am -
Nonstop2h 21m
Deal found 9/17![United Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:10 pm -
Nonstop2h 05m
Fri 10/234:20 pm -
1 stop6h 40m
Deal found 9/17![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2710:40 am -
Nonstop2h 24m
Tue 3/23:40 pm -
Nonstop2h 54m
Deal found 9/17![Delta logo]()
$271
This JetBlue deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/51:00 pm -
1 stop5h 59m
Sun 11/86:40 am -
1 stop6h 20m
Deal found 9/21![JetBlue logo]()
$278
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:29 pm -
Nonstop2h 38m
Wed 10/215:43 am -
Nonstop2h 42m
Deal found 9/17![American Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:57 pm -
Nonstop2h 13m
Wed 10/281:16 pm -
Nonstop2h 35m
Deal found 9/17![United Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:30 pm -
Nonstop2h 21m
Sun 11/18:45 am -
Nonstop2h 43m
Deal found 9/17![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/177:00 am -
Nonstop2h 11m
Tue 10/209:34 am -
Nonstop2h 25m
Deal found 9/21![United Airlines logo]()
$257
This JetBlue deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:38 am -
1 stop6h 51m
Thu 11/126:40 am -
1 stop6h 20m
Deal found 9/20![JetBlue logo]()
$284
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/155:10 am -
Nonstop2h 05m
Sat 10/179:25 am -
Nonstop2h 30m
Deal found 9/21![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:55 pm -
Nonstop2h 21m
Thu 11/194:30 pm -
Nonstop2h 52m
Deal found 9/17![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/235:10 pm -
Nonstop2h 05m
Tue 10/278:05 am -
Nonstop2h 20m
Deal found 9/21![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 pm -
Nonstop2h 25m
Thu 10/158:10 am -
Nonstop2h 37m
Deal found 9/17![United Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
Nonstop2h 20m
Sun 12/67:10 am -
Nonstop2h 52m
Deal found 9/20![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:00 am -
Nonstop2h 05m
Sun 11/86:45 am -
Nonstop2h 25m
Deal found 9/17![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
Nonstop2h 10m
Sat 10/107:45 pm -
Nonstop2h 47m
Deal found 9/17![United Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 12/57:00 am -
Nonstop2h 21m
Sun 12/67:10 am -
Nonstop2h 52m
Deal found 9/21![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:07 am -
Nonstop2h 18m
Tue 10/2710:30 am -
1 stop7h 30m
Deal found 9/20![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/135:15 pm -
Nonstop2h 05m
Sun 11/157:15 am -
1 stop5h 25m
Deal found 9/21![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:15 am -
Nonstop2h 12m
Thu 10/158:35 pm -
Nonstop2h 42m
Deal found 9/19![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/137:15 pm -
Nonstop2h 05m
Sun 11/227:15 am -
1 stop7h 55m
Deal found 9/21![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:10 pm -
Nonstop2h 19m
Sun 11/226:05 am -
Nonstop2h 46m
Deal found 9/19![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/308:20 pm -
Nonstop2h 24m
Tue 11/36:00 am -
Nonstop2h 36m
Deal found 9/21![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:35 am -
Nonstop2h 05m
Wed 11/42:40 pm -
1 stop9h 30m
Deal found 9/19![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:59 pm -
Nonstop2h 19m
Mon 11/27:15 am -
Nonstop2h 46m
Deal found 9/18![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
Nonstop2h 24m
Sun 11/227:35 pm -
Nonstop3h 07m
Deal found 9/17![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:40 am -
1 stop4h 30m
Fri 11/208:30 am -
Nonstop2h 35m
Deal found 9/20![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/26:30 pm -
Nonstop2h 20m
Fri 1/86:00 am -
Nonstop2h 48m
Deal found 9/19![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/111:30 pm -
Nonstop2h 25m
Mon 2/157:35 pm -
Nonstop2h 58m
Deal found 9/20![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:40 pm -
Nonstop2h 10m
Sat 10/246:00 am -
2 stops10h 15m
Deal found 9/18![Southwest logo]()
$302
Last-minute flights from Illinois to PennsylvaniaDiscover last-minute flight deals from Illinois to Pennsylvania. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Pennsylvania. Data last updated September 22, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:25 am -
Nonstop2h 24m
Thu 9/2411:54 am -
Nonstop2h 36m
Deal found 9/20![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:41 pm -
Nonstop2h 23m
Sun 10/119:09 pm -
Nonstop2h 30m
Deal found 9/18![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2012:35 pm -
1 stop6h 56m
Deal found 9/19![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/20![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:41 pm -
Nonstop2h 23m
Mon 10/199:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/20![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:41 pm -
Nonstop2h 23m
Sun 11/19:09 pm -
Nonstop2h 34m
Deal found 9/20![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/216:35 pm -
1 stop14h 58m
Tue 10/2710:14 pm -
1 stop20h 26m
Deal found 9/21![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
1 stop17h 46m
Sat 10/249:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
1 stop15h 01m
Tue 10/2710:14 pm -
1 stop20h 26m
Deal found 9/20![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
1 stop10h 31m
Tue 11/312:36 pm -
1 stop6h 40m
Deal found 9/17![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop25h 35m
Tue 11/310:14 pm -
1 stop20h 26m
Deal found 9/17![Frontier logo]()
$167
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 September 22, 2026.
Search for one-way flight options from Illinois to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Trip.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:44 pm -
1 stop25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$62
This Trip.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$67
This Trip.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Mon 10/196:35 pm -
1 stop14h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop14h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$82
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
1 stop15h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:44 pm -
1 stop25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$89
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:36 am -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$90
This Super.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:04 am -
1 stop11h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
1 stop28h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:15 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$91
This Trip.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:50 pm -
1 stop20h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$92
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 September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Kiwi.com) |
One-way from | $62 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $314 |
Good round-trip deal | $260 or less |
Good one-way deal | $166 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 7,457,451 searches. Data last updated September 22, 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
Quickest round-trip
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Tue 10/20
10:54 am-1:59 pm
Nonstop2h 05m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$108
ChicagoNew York
MDW Chicago Midway - LGA New York LaGuardia
MDWLGA
Chicago Midway
Tue 10/6
10:10 am-7:05 pm
2 stops7h 55m
New York LaGuardia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
ChicagoNew York
MDW Chicago Midway - LGA New York LaGuardia
MDWLGA
Chicago Midway
Mon 2/1
10:00 am-7:15 pm
2 stops8h 15m
New York LaGuardia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Tue 10/6
10:00 am-1:23 pm
Nonstop2h 23m
New York LaGuardia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
ChicagoNewark
ORD Chicago O'Hare Intl - EWR Newark
ORDEWR
Chicago O'Hare Intl
Tue 11/10
7:45 pm-11:04 pm
Nonstop2h 19m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
ChicagoNewark
ORD Chicago O'Hare Intl - EWR Newark
ORDEWR
Chicago O'Hare Intl
Tue 10/6
7:52 pm-11:15 pm
Nonstop2h 23m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Tue 12/15
6:25 pm-9:39 pm
Nonstop2h 14m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Mon 1/18
5:00 pm-8:15 pm
Nonstop2h 15m
New York LaGuardia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$136
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Tue 10/20
2:30 pm-5:51 pm
Nonstop2h 21m
New York LaGuardia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$136
ChicagoNew York
ORD Chicago O'Hare Intl - JFK New York John F Kennedy Intl
ORDJFK
Chicago O'Hare Intl
Tue 10/27
1:50 pm-5:20 pm
Nonstop2h 30m
New York John F Kennedy Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$136
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.
ORD-DCA
MDW-LGA
ORD-JFK
ORD-PHL
ORD-LGA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Pennsylvania
USIL-USPA
ORD-DCA
MDW-LGA
ORD-JFK
ORD-PHL
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 $268). Flying from Illinois to Pennsylvania in July is currently the most expensive (average of $393). 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 September 22, 2026.
It’s optimal to fly from Illinois to Pennsylvania in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.
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 September 22, 2026.
The most flights from USIL to USPA are scheduled on a Monday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).
How much does it cost to fly round-trip from Illinois to Pennsylvania?
Airfare is below average for this route at the moment.
Illinois to Pennsylvania flights typically cost between $194 and $374 in January.The cheapest round-trip price found within the last 5 days was $159 on Frontier (Jan 21-Jan 25).
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 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 September 19, 2026.
Travelers seeking maximum savings on their Illinois to Pennsylvania flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 22, 2026.
Read through reviews of airlines operating flights from Illinois to Pennsylvania, such as Southwest,Delta, andUnited 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
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
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 September 22, 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 5 airlines flying from Illinois to Pennsylvania
Discover the top 5 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 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$373 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$156 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$393 | FlexibilityNo cancel fee | On-timeN/A |