$89+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Pennsylvania with Cheapflights
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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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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 August 6, 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 August 6, 2026.
This Frontier deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Wed 9/237:28 pm -
1 stop10h 48m
Thu 9/2411:54 am -
Nonstop2h 36m
Deal found 8/6![Frontier logo]()
$169
This Booking.com deal was found by Cheapflights users on 8/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:25 am -
Nonstop2h 24m
Mon 9/141:50 pm -
1 stop26h 30m
Deal found 8/4![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 11/76:30 am -
1 stop5h 42m
Mon 11/911:05 am -
Nonstop2h 36m
Deal found 8/5![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am -
Nonstop2h 17m
Tue 8/258:15 am -
1 stop8h 45m
Deal found 8/3![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
Nonstop2h 17m
Tue 9/18:15 am -
1 stop13h 00m
Deal found 8/3![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:59 pm -
1 stop7h 34m
Mon 8/316:00 am -
Nonstop2h 29m
Deal found 8/4![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:37 am -
Nonstop2h 15m
Sun 9/65:30 pm -
Nonstop2h 42m
Deal found 8/3![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:26 am -
1 stop6h 48m
Sun 10/411:54 am -
Nonstop2h 36m
Deal found 8/2![Frontier logo]()
$177
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:25 am -
Nonstop2h 24m
Sun 9/2011:54 am -
Nonstop2h 36m
Deal found 8/2![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:50 am -
Nonstop2h 10m
Thu 11/1211:05 am -
Nonstop2h 36m
Deal found 8/2![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/85:29 pm -
1 stop15h 01m
Fri 9/1111:54 am -
Nonstop2h 36m
Deal found 8/6![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Mon 9/217:25 am -
Nonstop2h 24m
Mon 9/211:50 pm -
1 stop26h 30m
Deal found 8/6![Frontier logo]()
$181
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 August 6, 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 August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/16:15 pm -
Nonstop2h 05m
Sat 9/55:15 pm -
Nonstop2h 22m
Deal found 8/3![United Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:05 am -
Nonstop2h 14m
Sun 8/307:30 am -
Nonstop2h 36m
Deal found 8/2![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:15 pm -
Nonstop2h 05m
Wed 9/24:10 pm -
Nonstop2h 30m
Deal found 8/1![Southwest logo]()
$227
This JetBlue deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/272:35 pm -
1 stop7h 57m
Wed 9/23:20 pm -
1 stop9h 24m
Deal found 8/6![JetBlue logo]()
$253
This CheapOair deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:41 pm -
1 stop21h 10m
Sun 8/307:00 am -
1 stop7h 36m
Deal found 8/6![Frontier logo]()
$257
This Southwest deal was found by Cheapflights users on 8/3. 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 9/14:40 pm -
1 stop5h 35m
Sat 9/53:15 pm -
Nonstop2h 30m
Deal found 8/3![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:20 pm -
1 stop4h 39m
Sun 9/612:27 pm -
1 stop7h 32m
Deal found 8/6![Delta logo]()
$236
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:00 am -
Nonstop2h 23m
Mon 9/288:27 pm -
Nonstop2h 44m
Deal found 8/1![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:25 pm -
Nonstop2h 05m
Wed 9/95:40 pm -
Nonstop2h 30m
Deal found 8/2![Southwest logo]()
$227
This JetBlue deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/272:35 pm -
1 stop7h 57m
Fri 8/283:20 pm -
1 stop9h 24m
Deal found 8/6![JetBlue logo]()
$253
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:30 am -
Nonstop2h 20m
Sun 9/137:20 am -
Nonstop2h 40m
Deal found 8/2![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:07 pm -
Nonstop2h 18m
Sat 11/149:59 pm -
Nonstop2h 50m
Deal found 8/2![United Airlines logo]()
$237
This JetBlue deal was found by Cheapflights users on 8/4. 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.
Fri 10/162:35 pm -
1 stop8h 18m
Wed 10/213:55 pm -
1 stop8h 49m
Deal found 8/4![JetBlue logo]()
$253
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:05 am -
Nonstop2h 14m
Wed 9/26:45 pm -
Nonstop3h 04m
Deal found 8/6![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:05 pm -
Nonstop2h 05m
Wed 9/234:10 pm -
Nonstop2h 30m
Deal found 8/2![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:00 am -
Nonstop2h 14m
Mon 9/711:00 pm -
Nonstop2h 28m
Deal found 8/2![United Airlines logo]()
$237
This JetBlue deal was found by Cheapflights users on 8/4. 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.
Fri 10/162:35 pm -
1 stop8h 18m
Thu 10/226:00 am -
1 stop8h 39m
Deal found 8/4![JetBlue logo]()
$253
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:35 am -
Nonstop2h 05m
Mon 9/218:55 pm -
Nonstop2h 25m
Deal found 8/1![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 8/3. 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 8/286:00 pm -
Nonstop2h 37m
Mon 8/317:33 am -
Nonstop2h 54m
Deal found 8/3![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:00 pm -
Nonstop2h 17m
Fri 9/46:29 pm -
Nonstop2h 44m
Deal found 8/6![United Airlines logo]()
$247
This JetBlue deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/176:00 am -
1 stop7h 07m
Thu 9/244:30 pm -
1 stop7h 38m
Deal found 8/6![JetBlue logo]()
$253
This Southwest deal was found by Cheapflights users on 8/3. 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.
Wed 11/43:10 pm -
1 stop6h 45m
Sun 11/86:45 am -
Nonstop2h 25m
Deal found 8/3![Southwest logo]()
$247
This JetBlue deal was found by Cheapflights users on 8/4. 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.
Fri 9/186:00 am -
1 stop7h 07m
Fri 9/253:45 pm -
1 stop8h 23m
Deal found 8/4![JetBlue logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/812:40 pm -
Nonstop2h 02m
Tue 10/1310:30 am -
Nonstop2h 16m
Deal found 8/3![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 8/3. 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.
Sat 9/125:37 pm -
1 stop4h 38m
Wed 9/161:00 pm -
1 stop6h 33m
Deal found 8/3![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 8/4. 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 9/187:50 pm -
Nonstop2h 05m
Fri 9/256:00 am -
Nonstop2h 15m
Deal found 8/4![Southwest logo]()
$247
This JetBlue deal was found by Cheapflights users on 8/4. 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.
Tue 9/156:00 am -
1 stop7h 07m
Fri 9/186:45 am -
1 stop8h 00m
Deal found 8/4![JetBlue logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Thu 9/38:00 am -
Nonstop2h 01m
Tue 9/88:30 am -
Nonstop2h 15m
Deal found 8/4![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:48 am -
1 stop6h 56m
Sun 9/69:00 am -
1 stop6h 20m
Deal found 8/2![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:50 pm -
1 stop5h 35m
Mon 8/316:00 am -
Nonstop2h 15m
Deal found 8/1![Southwest logo]()
$247
Last-minute flights from Illinois to PennsylvaniaDiscover last-minute flight deals from Illinois to Pennsylvania. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Pennsylvania. Data last updated August 6, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am -
Nonstop2h 17m
Tue 8/258:15 am -
1 stop8h 45m
Deal found 8/3![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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.
Wed 8/262:41 pm -
1 stop30h 18m
Mon 8/317:00 am -
1 stop7h 36m
Deal found 8/5![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
Nonstop2h 17m
Tue 9/18:15 am -
1 stop13h 00m
Deal found 8/3![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:59 pm -
1 stop7h 34m
Mon 8/316:00 am -
Nonstop2h 29m
Deal found 8/4![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/281:59 pm -
1 stop16h 16m
Mon 8/316:00 am -
Nonstop2h 29m
Deal found 8/6![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:41 pm -
1 stop13h 58m
Mon 9/76:00 am -
Nonstop2h 29m
Deal found 8/3![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:37 am -
Nonstop2h 15m
Sun 9/65:30 pm -
Nonstop2h 42m
Deal found 8/3![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/85:29 pm -
1 stop15h 01m
Fri 9/1111:54 am -
Nonstop2h 36m
Deal found 8/6![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 8/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:25 am -
Nonstop2h 24m
Mon 9/141:50 pm -
1 stop26h 30m
Deal found 8/4![Frontier logo]()
$170
This Expedia deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:25 am -
Nonstop2h 24m
Sun 9/2011:54 am -
Nonstop2h 36m
Deal found 8/2![Frontier logo]()
$178
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Mon 9/217:25 am -
Nonstop2h 24m
Mon 9/211:50 pm -
1 stop26h 30m
Deal found 8/6![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Wed 9/237:28 pm -
1 stop10h 48m
Thu 9/2411:54 am -
Nonstop2h 36m
Deal found 8/6![Frontier logo]()
$169
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 August 6, 2026.
Search for one-way flight options from Illinois to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sun 9/65:00 pm -
Nonstop2h 09m
Deal found 8/3![United Airlines logo]()
$89
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/610:50 am -
Nonstop2h 05m
Deal found 8/5![United Airlines logo]()
$89
This Super.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:30 am -
1 stop9h 29m
Deal found 8/2![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:59 pm -
1 stop7h 53m
Deal found 8/3![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:30 am -
1 stop9h 29m
Deal found 8/2![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 am -
1 stop9h 02m
Deal found 8/2![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:41 pm -
1 stop25h 18m
Deal found 8/3![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/297:11 am -
1 stop9h 03m
Deal found 8/6![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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.
Wed 9/96:30 am -
1 stop14h 29m
Deal found 8/5![Frontier logo]()
$93
This iWofly deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:21 pm -
1 stop15h 59m
Deal found 8/2![Frontier logo]()
$93
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am -
1 stop28h 41m
Deal found 8/1![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:20 am -
1 stop9h 58m
Deal found 8/2![Frontier logo]()
$94
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $169 (Frontier) |
One-way from | $89 (United Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $253 |
Good round-trip deal | $256 or less |
Good one-way deal | $163 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 August 6, 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
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Tue 9/1
6:15 pm-9:20 pm
Nonstop2h 05m
Washington, D.C. Dulles Intl
Sat 9/5
5:15 pm-6:37 pm
Nonstop2h 22m
$216
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Sat 8/29
7:05 am-10:19 am
Nonstop2h 14m
New York LaGuardia
Sun 8/30
7:30 am-9:06 am
Nonstop2h 36m
$227
ChicagoNew York
MDW Chicago Midway - LGA New York LaGuardia
MDWLGA
Chicago Midway
Mon 8/31
5:15 pm-8:20 pm
Nonstop2h 05m
New York LaGuardia
Wed 9/2
4:10 pm-5:40 pm
Nonstop2h 30m
$227
ChicagoNew York
MDW Chicago Midway - LGA New York LaGuardia
MDWLGA
Chicago Midway
Tue 9/1
4:40 pm-11:15 pm
1 stop5h 35m
New York LaGuardia
Sat 9/5
3:15 pm-4:45 pm
Nonstop2h 30m
$227
ChicagoNew York
MDW Chicago Midway - LGA New York LaGuardia
MDWLGA
Chicago Midway
Wed 9/2
12:25 pm-3:30 pm
Nonstop2h 05m
New York LaGuardia
Wed 9/9
5:40 pm-7:10 pm
Nonstop2h 30m
$227
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 9/3
5:20 pm-10:59 pm
1 stop4h 39m
Washington, D.C. Reagan-National
Sun 9/6
12:27 pm-6:59 pm
1 stop7h 32m
$236
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Thu 9/24
10:00 am-1:23 pm
Nonstop2h 23m
New York LaGuardia
Mon 9/28
8:27 pm-10:11 pm
Nonstop2h 44m
$237
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Thu 9/10
10:30 am-1:50 pm
Nonstop2h 20m
New York LaGuardia
Sun 9/13
7:20 am-9:00 am
Nonstop2h 40m
$237
ChicagoNewark
ORD Chicago O'Hare Intl - EWR Newark
ORDEWR
Chicago O'Hare Intl
Wed 11/11
1:07 pm-4:25 pm
Nonstop2h 18m
Newark
Sat 11/14
9:59 pm-11:49 pm
Nonstop2h 50m
$237
ChicagoNew York
ORD Chicago O'Hare Intl - LGA New York LaGuardia
ORDLGA
Chicago O'Hare Intl
Thu 8/27
7:05 am-10:19 am
Nonstop2h 14m
New York LaGuardia
Wed 9/2
6:45 pm-8:49 pm
Nonstop3h 04m
$237
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-LGA
MDW-LGA
ORD-JFK
STL-LGA
ORD-EWR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Pennsylvania
USIL-USPA
ORD-LGA
MDW-LGA
ORD-JFK
STL-LGA
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 $229). Flying from Illinois to Pennsylvania in March is currently the most expensive (average of $388). 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 August 6, 2026.
It’s optimal to fly from Illinois to Pennsylvania in the morning. By choosing this option you can save up to 18% 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 August 6, 2026.
The most flights from USIL to USPA are scheduled on a Wednesday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 $204 and $360 in September.The cheapest round-trip price found within the last 5 days was $169 on Frontier (Sep 23-Sep 24).
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 August 1, 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. Tuesday afternoons 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 August 6, 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.
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
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 August 6, 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 2,558,603 searches. Data last updated August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$101 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$134 | Average$345 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$411 | FlexibilityNo cancel fee | On-timeN/A |