$91+ Cheap flights from Philadelphia (PHL) to Illinois
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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Illinois 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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Cheapest flights from Philadelphia to IllinoisExplore the most affordable flight options available from Philadelphia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
Explore the most affordable flight options available from Philadelphia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
This Priceline deal was found by Cheapflights users on 10/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:09 pm -
Nonstop2h 30m
Mon 10/264:41 pm -
Nonstop2h 23m
Deal found 10/4![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:09 pm -
Nonstop2h 30m
Sun 10/257:44 pm -
1 stop10h 37m
Deal found 9/30![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 11/31:25 pm -
Nonstop2h 15m
Tue 11/101:35 pm -
Nonstop1h 55m
Deal found 10/4![Southwest logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:09 pm -
Nonstop2h 34m
Sat 10/317:15 am -
1 stop10h 04m
Deal found 10/5![Frontier logo]()
$187
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:09 pm -
Nonstop2h 30m
Thu 10/296:00 am -
2 stops11h 19m
Deal found 9/30![Frontier logo]()
$188
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:09 pm -
Nonstop2h 34m
Mon 11/167:50 pm -
1 stop10h 31m
Deal found 10/5![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 10/3. 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.
Sat 10/3112:36 pm -
1 stop6h 11m
Tue 11/36:42 pm -
1 stop11h 39m
Deal found 10/3![Frontier logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:30 am -
1 stop11h 01m
Sat 10/244:41 pm -
Nonstop2h 23m
Deal found 10/2![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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.
Fri 11/139:09 pm -
Nonstop2h 34m
Sun 11/154:42 pm -
Nonstop2h 16m
Deal found 9/30![Frontier logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:09 pm -
Nonstop2h 34m
Mon 11/27:50 pm -
1 stop10h 31m
Deal found 10/4![Frontier logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:30 am -
1 stop10h 17m
Sat 11/147:15 am -
1 stop10h 04m
Deal found 10/2![Frontier logo]()
$193
This Super.com deal was found by Cheapflights users on 10/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:31 pm -
Nonstop2h 44m
Mon 11/309:20 pm -
Nonstop2h 10m
Deal found 10/1![Frontier logo]()
$194
Best flights from Philadelphia to IllinoisDiscover carefully curated flight deals from Philadelphia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from Philadelphia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This Southwest deal was found by Cheapflights users on 10/4. 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.
Wed 2/37:35 am -
Nonstop2h 20m
Sat 2/67:40 am -
Nonstop1h 55m
Deal found 10/4![Southwest logo]()
$186
This Delta deal was found by Cheapflights users on 9/30. 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 10/299:48 am -
1 stop4h 22m
Sun 11/16:30 am -
1 stop7h 11m
Deal found 9/30![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:53 am -
1 stop6h 03m
Sat 12/124:42 pm -
1 stop6h 42m
Deal found 10/3![American Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Tue 11/249:45 am -
Nonstop2h 35m
Thu 11/261:30 pm -
1 stop4h 21m
Deal found 10/4![United Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Thu 10/157:15 am -
1 stop13h 09m
Sun 10/186:30 pm -
2 stops27h 41m
Deal found 10/1![Multiple Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:45 am -
Nonstop2h 15m
Mon 12/148:10 am -
Nonstop1h 55m
Deal found 9/30![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 10/4. 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.
Mon 1/117:35 am -
Nonstop2h 20m
Fri 1/157:50 am -
Nonstop2h 00m
Deal found 10/4![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:39 pm -
1 stop8h 22m
Sat 12/125:19 pm -
1 stop6h 33m
Deal found 10/1![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:15 pm -
1 stop4h 55m
Mon 11/168:10 am -
Nonstop1h 55m
Deal found 9/30![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/66:46 pm -
1 stop5h 27m
Sat 11/72:35 pm -
1 stop7h 22m
Deal found 9/30![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:25 am -
1 stop7h 32m
Wed 11/42:34 pm -
1 stop7h 10m
Deal found 9/30![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:15 am -
1 stop6h 11m
Tue 12/156:10 am -
1 stop5h 50m
Deal found 10/4![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 10/4. 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.
Mon 10/263:20 pm -
Nonstop2h 05m
Thu 10/292:45 pm -
2 stops8h 10m
Deal found 10/4![Southwest logo]()
$270
This American Airlines deal was found by Cheapflights users on 10/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:39 pm -
1 stop7h 32m
Tue 10/2711:21 am -
2 stops6h 00m
Deal found 10/4![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/2. 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 11/2510:30 am -
1 stop7h 30m
Sun 11/296:35 am -
Nonstop2h 10m
Deal found 10/2![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:00 pm -
1 stop5h 58m
Sun 11/17:00 am -
1 stop3h 47m
Deal found 10/4![Delta logo]()
$331
This Southwest deal was found by Cheapflights users on 10/1. 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 10/286:40 pm -
1 stop4h 20m
Sun 11/13:50 pm -
Nonstop1h 55m
Deal found 10/1![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:13 am -
1 stop5h 38m
Tue 11/36:06 am -
1 stop5h 47m
Deal found 9/30![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:52 am -
1 stop6h 47m
Sat 11/73:21 pm -
1 stop6h 32m
Deal found 10/3![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 10/2. 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 11/266:15 am -
Nonstop2h 36m
Sun 11/296:35 am -
Nonstop2h 10m
Deal found 10/2![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 9/30. 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 10/296:35 am -
1 stop5h 51m
Tue 11/36:06 am -
1 stop5h 47m
Deal found 9/30![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/2. 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.
Sun 11/17:30 am -
Nonstop2h 25m
Fri 11/63:50 pm -
Nonstop1h 55m
Deal found 10/2![Southwest logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:35 pm -
1 stop6h 55m
Tue 12/86:01 am -
2 stops7h 51m
Deal found 9/30![American Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:20 am -
1 stop7h 06m
Mon 11/24:26 pm -
1 stop7h 29m
Deal found 9/30![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/66:15 am -
Nonstop2h 35m
Sun 11/87:57 pm -
Nonstop2h 12m
Deal found 10/4![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 10/3. 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 10/291:55 pm -
Nonstop2h 05m
Mon 11/23:50 pm -
Nonstop1h 55m
Deal found 10/3![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:55 pm -
Nonstop2h 05m
Sun 11/18:00 am -
Nonstop2h 00m
Deal found 10/2![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/2. 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 11/1210:30 am -
1 stop7h 30m
Mon 11/166:42 am -
Nonstop2h 10m
Deal found 10/2![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:47 pm -
1 stop5h 20m
Sat 11/75:37 pm -
1 stop5h 42m
Deal found 10/3![American Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 10/1. 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 11/207:25 pm -
1 stop4h 20m
Mon 11/237:25 pm -
Nonstop1h 55m
Deal found 10/1![Southwest logo]()
$320
Last-minute flights from Philadelphia to IllinoisDiscover last-minute flight deals from Philadelphia to Illinois. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Illinois. Data last updated October 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:30 am -
1 stop11h 01m
Sat 10/244:41 pm -
Nonstop2h 23m
Deal found 10/2![Frontier logo]()
$191
This Priceline deal was found by Cheapflights users on 10/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:09 pm -
Nonstop2h 30m
Mon 10/264:41 pm -
Nonstop2h 23m
Deal found 10/4![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:09 pm -
Nonstop2h 30m
Sun 10/257:44 pm -
1 stop10h 37m
Deal found 9/30![Frontier logo]()
$186
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:09 pm -
Nonstop2h 30m
Thu 10/296:00 am -
2 stops11h 19m
Deal found 9/30![Frontier logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:09 pm -
Nonstop2h 34m
Mon 11/27:50 pm -
1 stop10h 31m
Deal found 10/4![Frontier logo]()
$193
This Super.com deal was found by Cheapflights users on 10/3. 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.
Sat 10/3112:36 pm -
1 stop6h 11m
Tue 11/36:42 pm -
1 stop11h 39m
Deal found 10/3![Frontier logo]()
$190
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 11/31:25 pm -
Nonstop2h 15m
Tue 11/101:35 pm -
Nonstop1h 55m
Deal found 10/4![Southwest logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:09 pm -
Nonstop2h 34m
Mon 11/94:42 pm -
Nonstop2h 22m
Deal found 10/4![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:30 am -
1 stop10h 17m
Sat 11/147:15 am -
1 stop10h 04m
Deal found 10/2![Frontier logo]()
$193
This Gotogate deal was found by Cheapflights users on 10/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:09 pm -
Nonstop2h 34m
Mon 11/167:50 pm -
1 stop10h 31m
Deal found 10/4![Frontier logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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.
Fri 11/139:09 pm -
Nonstop2h 34m
Sun 11/154:42 pm -
Nonstop2h 16m
Deal found 9/30![Frontier logo]()
$192
This Super.com deal was found by Cheapflights users on 10/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:31 pm -
Nonstop2h 44m
Mon 11/309:20 pm -
Nonstop2h 10m
Deal found 10/1![Frontier logo]()
$194
One-way flights from Philadelphia to IllinoisSearch for one-way flight options from Philadelphia to Illinois. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
Search for one-way flight options from Philadelphia to Illinois. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Super.com deal was found by Cheapflights users on 10/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:36 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 10/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:36 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Fri 12/46:40 pm -
1 stop13h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$92
This Priceline deal was found by Cheapflights users on 10/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:36 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:36 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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.
Sun 10/259:09 pm -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 12/38:34 am -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 10/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:09 pm -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/3. 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.
Tue 11/312:36 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:09 pm -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/29:09 pm -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 10/3. 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.
Tue 11/312:36 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$105
Find flight deals from Philadelphia to Illinois
Keep the following information in mind while searching for Philadelphia to Illinois flight deals. Data was last updated October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (Priceline) |
One-way from | $91 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $287 |
Good round-trip deal | $324 or less |
Good one-way deal | $179 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Illinois 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 October 5, 2026.
Use the filters below to find and compare flights from Philadelphia to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Tue 11/24
5:25 am-2:45 pm
1 stop10h 20m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Sat 10/24
10:15 am-11:25 am
Nonstop2h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
PhiladelphiaMoline
PHL Philadelphia - MLI Moline Quad-City
PHLMLI
Philadelphia
Fri 10/30
6:27 pm-10:39 am
1 stop17h 12m
Moline Quad-City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$130
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Sat 10/31
5:00 am-2:10 pm
1 stop10h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$135
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Fri 12/25
7:30 am-8:50 am
Nonstop2h 20m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$138
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Fri 11/13
1:50 pm-3:05 pm
Nonstop2h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$138
PhiladelphiaChicago
PHL Philadelphia - ORD Chicago O'Hare Intl
PHLORD
Philadelphia
Sat 11/7
1:16 pm-2:51 pm
Nonstop2h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$145
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Tue 12/1
11:45 am-1:00 pm
Nonstop2h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$145
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Fri 12/25
6:00 am-8:50 am
1 stop3h 50m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
PhiladelphiaChicago
PHL Philadelphia - ORD Chicago O'Hare Intl
PHLORD
Philadelphia
Fri 12/25
10:37 am-4:54 pm
1 stop7h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Philadelphia with our price prediction graph.
PHL-ORD
PHL-MDW
PHL-MLI
PHL-BMI
PHL-PIA
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 Philadelphia to Illinois
PHL-USIL
PHL-ORD
PHL-MDW
PHL-MLI
PHL-BMI
What is the cheapest month to book a flight from Philadelphia to Illinois?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Illinois (average of $246). Flying from Philadelphia to Illinois in June is currently the most expensive (average of $366). 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 PHL to IL?
Find hourly flight availability from Philadelphia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 5, 2026.
It’s optimal to fly from Philadelphia to Illinois in the afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Philadelphia to Illinois
Explore weekly flight availability from Philadelphia to Illinois. 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 October 5, 2026.
The most flights from PHL to USIL are scheduled on a Friday (47 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Philadelphia to Illinois?
Airfare is below average for this route at the moment.
Philadelphia to Illinois flights typically cost between $195 and $365 in January.The cheapest round-trip price found within the last 5 days was $185 on Frontier (Jan 19-Jan 22).
How far ahead should I book a flight from Philadelphia to Illinois?
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Philadelphia to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Illinois. Price data was last updated on October 3, 2026.
Travelers seeking maximum savings on their Philadelphia to Illinois flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 5, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Philadelphia to Illinois have to say. 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.
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Illinois. 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 Philadelphia to Illinois
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Complete your trip
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Search flights from Philadelphia to Illinois by cabin class
Find flights from Philadelphia to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Illinois flights
Browse other Philadelphia and Illinois flight options. Last updated on October 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Illinois flights
Consider these flights traveling from Philadelphia to Illinois.
Top 5 airlines flying from Philadelphia to Illinois
Discover the top 5 airlines that operate flights from Philadelphia to Illinois. 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 October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$192 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$281 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$372 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$375 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$190 | Average$430 | FlexibilityNo cancel fee | On-time71% |