$113+ Cheap flights from Chicago (CHI) to Philadelphia (PHL)
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHL
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Philadelphia 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Philadelphia are usually found in October or January, booked 80 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Chicago to Philadelphia
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Best
Last-minute
One-way
Cheapest flights from Chicago to PhiladelphiaExplore the most affordable flight options available from Chicago to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.
Explore the most affordable flight options available from Chicago to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/177:25 am -
Nonstop2h 24m
Tue 9/2212:40 pm -
1 stop6h 43m
Deal found 8/14![Frontier logo]()
$159
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/49:10 pm -
1 stop19h 06m
Mon 9/76:00 am -
Nonstop2h 29m
Deal found 8/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/166:20 am -
1 stop10h 54m
Tue 9/2212:40 pm -
1 stop6h 43m
Deal found 8/14![Frontier logo]()
$161
This CheapOair deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/210:26 am -
1 stop6h 48m
Mon 10/511:54 am -
Nonstop2h 36m
Deal found 8/13![Frontier logo]()
$162
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/117:25 am -
Nonstop2h 24m
Sun 9/1311:54 am -
Nonstop2h 36m
Deal found 8/13![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/318:37 am -
Nonstop2h 15m
Thu 9/1011:54 am -
Nonstop2h 36m
Deal found 8/12![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/177:25 am -
Nonstop2h 24m
Fri 9/187:50 am -
1 stop7h 55m
Deal found 8/11![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Sat 9/266:25 am -
1 stop10h 49m
Mon 10/512:40 pm -
1 stop6h 11m
Deal found 8/13![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/18:30 am -
1 stop12h 38m
Deal found 8/11![Frontier logo]()
$166
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Sat 9/266:25 am -
1 stop10h 49m
Tue 9/2912:40 pm -
1 stop6h 06m
Deal found 8/11![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/31:59 pm -
1 stop7h 34m
Mon 9/710:59 pm -
1 stop25h 28m
Deal found 8/12![Frontier logo]()
$167
This Priceline deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/49:10 pm -
1 stop10h 41m
Sun 9/610:22 am -
Nonstop2h 33m
Deal found 8/11![Frontier logo]()
$168
Best flights from Chicago to PhiladelphiaDiscover carefully curated flight deals from Chicago to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
Discover carefully curated flight deals from Chicago to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
This CheapOair deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Thu 9/35:55 am -
Nonstop2h 09m
Tue 9/84:59 pm -
1 stop7h 45m
Deal found 8/14![Multiple Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2611:45 am -
Nonstop1h 55m
Sat 10/37:55 am -
Nonstop2h 05m
Deal found 8/12![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/158:45 am -
1 stop4h 35m
Tue 9/156:56 pm -
Nonstop2h 30m
Deal found 8/11![United Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 2/35:45 pm -
1 stop4h 17m
Sat 2/69:42 am -
1 stop3h 55m
Deal found 8/12![Delta logo]()
$209
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/318:00 am -
Nonstop2h 10m
Tue 9/11:45 pm -
Nonstop2h 05m
Deal found 8/12![Southwest logo]()
$206
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/111:25 am -
Nonstop2h 18m
Sat 10/171:24 pm -
Nonstop2h 26m
Deal found 8/12![United Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/88:45 am -
1 stop4h 35m
Thu 9/176:25 am -
Nonstop2h 25m
Deal found 8/13![United Airlines logo]()
$216
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/78:05 am -
2 stops8h 55m
Sat 10/105:55 am -
2 stops11h 15m
Deal found 8/10![Southwest logo]()
$221
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/36:05 am -
1 stop7h 42m
Tue 9/86:20 pm -
1 stop5h 24m
Deal found 8/10![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/63:50 pm -
Nonstop1h 55m
Mon 11/97:25 pm -
1 stop4h 15m
Deal found 8/13![Southwest logo]()
$273
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/246:45 am -
1 stop6h 43m
Fri 11/274:00 pm -
1 stop8h 21m
Deal found 8/12![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/249:00 am -
Nonstop2h 14m
Fri 11/274:59 pm -
Nonstop2h 35m
Deal found 8/12![United Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/172:55 pm -
Nonstop2h 00m
Tue 9/223:05 pm -
Nonstop2h 00m
Deal found 8/14![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/77:00 am -
Nonstop2h 11m
Sat 10/106:10 am -
Nonstop2h 26m
Deal found 8/10![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/283:20 pm -
1 stop5h 45m
Mon 10/57:10 pm -
Nonstop2h 05m
Deal found 8/14![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/266:15 pm -
Nonstop2h 14m
Sun 9/276:10 am -
Nonstop2h 25m
Deal found 8/10![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/251:35 pm -
Nonstop1h 55m
Wed 10/285:30 pm -
Nonstop2h 05m
Deal found 8/13![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/186:24 pm -
Nonstop2h 14m
Sun 11/2210:30 am -
1 stop7h 20m
Deal found 8/10![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/241:00 pm -
Nonstop2h 00m
Mon 9/286:35 pm -
1 stop4h 25m
Deal found 8/12![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/2211:05 am -
2 stops6h 25m
Mon 10/268:15 pm -
1 stop4h 40m
Deal found 8/10![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/252:30 pm -
Nonstop2h 24m
Sun 9/276:55 pm -
Nonstop2h 30m
Deal found 8/14![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/1011:25 am -
1 stop7h 35m
Fri 10/3012:20 pm -
2 stops8h 35m
Deal found 8/14![Southwest logo]()
$320
Last-minute flights from Chicago to PhiladelphiaDiscover last-minute flight deals from Chicago to Philadelphia. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Philadelphia. Data last updated August 15, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/18:30 am -
1 stop12h 38m
Deal found 8/11![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/318:37 am -
Nonstop2h 15m
Mon 9/76:00 am -
Nonstop2h 29m
Deal found 8/12![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/31:59 pm -
1 stop7h 34m
Mon 9/710:59 pm -
1 stop25h 28m
Deal found 8/12![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/49:10 pm -
1 stop19h 06m
Mon 9/76:00 am -
Nonstop2h 29m
Deal found 8/12![Frontier logo]()
$160
This Priceline deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/49:10 pm -
1 stop10h 41m
Sun 9/610:22 am -
Nonstop2h 33m
Deal found 8/11![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/117:25 am -
Nonstop2h 24m
Sun 9/1311:54 am -
Nonstop2h 36m
Deal found 8/13![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/166:20 am -
1 stop10h 54m
Tue 9/2212:40 pm -
1 stop6h 43m
Deal found 8/14![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/177:25 am -
Nonstop2h 24m
Tue 9/2212:40 pm -
1 stop6h 43m
Deal found 8/14![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/177:25 am -
Nonstop2h 24m
Fri 9/187:50 am -
1 stop7h 55m
Deal found 8/11![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/257:25 am -
Nonstop2h 24m
Mon 9/2811:54 am -
Nonstop2h 36m
Deal found 8/15![Frontier logo]()
$162
This CheapOair deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Sat 9/266:25 am -
1 stop10h 49m
Mon 10/512:40 pm -
1 stop6h 11m
Deal found 8/13![Frontier logo]()
$166
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Sat 9/266:25 am -
1 stop10h 49m
Tue 9/2912:40 pm -
1 stop6h 06m
Deal found 8/11![Frontier logo]()
$167
One-way flights from Chicago to PhiladelphiaSearch for one-way flight options from Chicago to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
Search for one-way flight options from Chicago to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Super.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/1811:50 am -
1 stop9h 43m
Deal found 8/10![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/187:28 pm -
1 stop10h 48m
Deal found 8/10![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/126:25 am -
1 stop10h 49m
Deal found 8/10![Frontier logo]()
$115
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Sun 9/277:28 pm -
1 stop10h 48m
Deal found 8/10![Frontier logo]()
$115
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/286:46 pm -
1 stop22h 28m
Deal found 8/10![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/187:11 am -
2 stops16h 19m
Deal found 8/10![Multiple Airlines logo]()
$117
This Trip.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/411:50 am -
1 stop18h 25m
Deal found 8/11![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/1911:50 am -
1 stop9h 43m
Deal found 8/10![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/95:45 am -
2 stops16h 33m
Deal found 8/14![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/66:30 am -
2 stops23h 46m
Deal found 8/11![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/156:40 am -
1 stop5h 32m
Deal found 8/11![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/127:11 am -
2 stops15h 07m
Deal found 8/10![Frontier logo]()
$121
Find flight deals from Chicago to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Kiwi.com) |
One-way from | $113 (Super.com) |
Popular in | June |
Cheapest in | October |
Average price | $258 |
Good round-trip deal | $255 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Philadelphia 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 15, 2026.
Use the filters below to find and compare flights from Chicago to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Thu 9/3
5:55 am-9:04 am
Nonstop2h 09m
Philadelphia
Tue 9/8
4:59 pm-11:44 pm
1 stop7h 45m
$177
Quickest round-trip
ChicagoPhiladelphia
MDW Chicago Midway - PHL Philadelphia
MDWPHL
Chicago Midway
Sat 9/26
11:45 am-2:40 pm
Nonstop1h 55m
Philadelphia
Sat 10/3
7:55 am-9:00 am
Nonstop2h 05m
$189
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Tue 9/15
8:45 am-2:20 pm
1 stop4h 35m
Philadelphia
Tue 9/15
6:56 pm-8:26 pm
Nonstop2h 30m
$199
ChicagoPhiladelphia
MDW Chicago Midway - PHL Philadelphia
MDWPHL
Chicago Midway
Mon 8/31
8:00 am-11:10 am
Nonstop2h 10m
Philadelphia
Tue 9/1
1:45 pm-2:50 pm
Nonstop2h 05m
$206
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Thu 10/1
11:25 am-2:43 pm
Nonstop2h 18m
Philadelphia
Sat 10/17
1:24 pm-2:50 pm
Nonstop2h 26m
$206
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Wed 2/3
5:45 pm-11:02 pm
1 stop4h 17m
Philadelphia
Sat 2/6
9:42 am-12:37 pm
1 stop3h 55m
$209
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Tue 9/8
8:45 am-2:20 pm
1 stop4h 35m
Philadelphia
Thu 9/17
6:25 am-7:50 am
Nonstop2h 25m
$216
ChicagoPhiladelphia
MDW Chicago Midway - PHL Philadelphia
MDWPHL
Chicago Midway
Wed 10/7
8:05 am-6:00 pm
2 stops8h 55m
Philadelphia
Sat 10/10
5:55 am-4:10 pm
2 stops11h 15m
$221
ChicagoPhiladelphia
MDW Chicago Midway - PHL Philadelphia
MDWPHL
Chicago Midway
Fri 11/6
3:50 pm-6:45 pm
Nonstop1h 55m
Philadelphia
Mon 11/9
7:25 pm-10:40 pm
1 stop4h 15m
$273
ChicagoPhiladelphia
MDW Chicago Midway - PHL Philadelphia
MDWPHL
Chicago Midway
Thu 9/17
2:55 pm-5:55 pm
Nonstop2h 00m
Philadelphia
Tue 9/22
3:05 pm-4:05 pm
Nonstop2h 00m
$277
Showing 1-10 of 44 resultsSorted by cheapest first
Compare providers for flights from Chicago to Philadelphia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Philadelphia in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Chicago with our price prediction graph.
CHI-PHL
ORD-PHL
MDW-PHL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Philadelphia
CHI-PHL
ORD-PHL
MDW-PHL
What is the cheapest month to book a flight from Chicago to Philadelphia?
Currently, October is the cheapest month in which you can book a flight from Chicago to Philadelphia (average of $195). Flying from Chicago to Philadelphia in June is currently the most expensive (average of $379). 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 CHI to PHL?
Find hourly flight availability from Chicago to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 15, 2026.
It’s typically best to fly out from Chicago to Philadelphia in the evening. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Chicago to Philadelphia
Explore weekly flight availability from Chicago to Philadelphia. 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 15, 2026.
The most flights from CHI to PHL are scheduled on a Wednesday (57 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (35 on average).
How much does it cost to fly round-trip from Chicago to Philadelphia?
Airfare is below average for this route at the moment.
Chicago to Philadelphia flights typically cost between $194 and $342 in September.The cheapest round-trip price found within the last 5 days was $159 on Frontier (Sep 17-Sep 22).
How often are flights from Chicago to Philadelphia delayed?
About 21% of weekly flights between Chicago and Philadelphia have experienced delays in the past year, with the average delay time being 143 minutes.
What is the most punctual flight time for Chicago to Philadelphia flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Philadelphia flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.
How far ahead should I book a flight from Chicago to Philadelphia?
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Philadelphia. 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 Chicago to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Philadelphia. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Chicago to Philadelphia flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Chicago to Philadelphia flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Philadelphia trip
Our travel experts
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated August 15, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
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 Chicago to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
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Chicago and Philadelphia flights
Browse other Chicago and Philadelphia flight options. Last updated on August 15, 2026.
Other flights from Chicago
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Top 4 airlines flying from Chicago to Philadelphia
Discover the top 4 airlines that operate flights from Chicago to Philadelphia. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$376 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$331 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$384 | FlexibilityNo cancel fee | On-time63% |