$99+ Cheap flights from O'Hare Intl (ORD) to Philadelphia (PHL)
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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHL
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl 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 O'Hare Intl to Philadelphia are usually found in October or January, booked 36 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from O'Hare Intl to Philadelphia
Cheapest
Best
Last-minute
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Cheapest flights from O'Hare Intl to PhiladelphiaExplore the most affordable flight options available from O'Hare Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from O'Hare Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/234:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/22![Frontier logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2012:35 pm -
1 stop6h 56m
Deal found 9/20![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
1 stop17h 46m
Sat 10/249:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:42 pm -
Nonstop2h 16m
Sun 11/89:09 pm -
Nonstop2h 34m
Deal found 9/19![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/20![Frontier logo]()
$163
This Priceline deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:42 pm -
Nonstop2h 16m
Sun 11/19:09 pm -
Nonstop2h 34m
Deal found 9/19![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Sun 11/19:09 pm -
Nonstop2h 34m
Deal found 9/20![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/164:42 pm -
Nonstop2h 16m
Tue 11/1712:36 pm -
1 stop6h 40m
Deal found 9/23![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Wed 10/2112:35 pm -
1 stop6h 56m
Deal found 9/20![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:41 pm -
Nonstop2h 23m
Mon 10/129:09 pm -
Nonstop2h 30m
Deal found 9/20![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/94:42 pm -
Nonstop2h 16m
Wed 11/1112:36 pm -
1 stop6h 40m
Deal found 9/23![Frontier logo]()
$170
Best flights from O'Hare Intl to PhiladelphiaDiscover carefully curated flight deals from O'Hare Intl to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from O'Hare Intl to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:51 pm -
Nonstop2h 23m
Tue 10/274:54 pm -
Nonstop2h 35m
Deal found 9/22![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop3h 47m
Mon 11/24:00 pm -
1 stop5h 38m
Deal found 9/19![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:00 pm -
Nonstop2h 24m
Tue 10/279:45 am -
Nonstop2h 35m
Deal found 9/20![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/2411:19 am -
1 stop4h 25m
Mon 10/267:23 pm -
1 stop5h 34m
Deal found 9/22![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:00 pm -
Nonstop2h 24m
Tue 10/209:34 am -
Nonstop2h 25m
Deal found 9/23![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop3h 47m
Tue 11/35:29 pm -
1 stop4h 01m
Deal found 9/19![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:07 am -
Nonstop2h 18m
Tue 10/2011:05 am -
Nonstop2h 24m
Deal found 9/22![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:15 pm -
1 stop5h 25m
Fri 10/237:23 pm -
1 stop5h 34m
Deal found 9/20![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:04 am -
1 stop6h 09m
Sun 12/277:37 pm -
1 stop5h 24m
Deal found 9/19![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop3h 47m
Sun 11/16:10 am -
1 stop5h 20m
Deal found 9/19![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:07 pm -
1 stop4h 23m
Sat 11/287:40 pm -
1 stop5h 21m
Deal found 9/19![United Airlines logo]()
$336
Last-minute flights from O'Hare Intl to PhiladelphiaDiscover last-minute flight deals from O'Hare Intl to Philadelphia. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Philadelphia. Data last updated September 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:41 pm -
Nonstop2h 23m
Mon 10/129:09 pm -
Nonstop2h 30m
Deal found 9/20![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2012:35 pm -
1 stop6h 56m
Deal found 9/20![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/20![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Sun 11/19:09 pm -
Nonstop2h 34m
Deal found 9/20![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Wed 10/2112:35 pm -
1 stop6h 56m
Deal found 9/20![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
Nonstop2h 23m
Mon 10/195:15 am -
1 stop27h 36m
Deal found 9/19![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:41 pm -
Nonstop2h 23m
Mon 10/199:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:41 pm -
Nonstop2h 23m
Sun 11/19:09 pm -
Nonstop2h 34m
Deal found 9/20![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
1 stop17h 46m
Sat 10/249:09 pm -
Nonstop2h 30m
Deal found 9/19![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/234:41 pm -
Nonstop2h 23m
Tue 10/2712:36 pm -
1 stop7h 09m
Deal found 9/22![Frontier logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:42 pm -
Nonstop2h 16m
Sun 11/19:09 pm -
Nonstop2h 34m
Deal found 9/20![Frontier logo]()
$162
One-way flights from O'Hare Intl to PhiladelphiaSearch for one-way flight options from O'Hare Intl to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from O'Hare Intl to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 12/237:45 pm -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:04 am -
2 stops14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$109
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:11 pm -
1 stop26h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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.
Tue 12/228:10 am -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/198:11 pm -
1 stop12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/138:04 am -
2 stops22h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:20 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:11 pm -
1 stop12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:41 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$122
This Booking.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Wed 10/148:04 am -
2 stops22h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$123
Find flight deals from O'Hare Intl to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Cheapflightsfares) |
One-way from | $99 (Cheapflightsfares) |
Popular in | July |
Cheapest in | October |
Average price | $329 |
Good round-trip deal | $275 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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
Tue 10/27
7:57 pm-11:10 pm
Nonstop2h 13m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
Quickest round-trip
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Tue 11/3
6:42 am-9:52 am
Nonstop2h 10m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Wed 10/21
5:27 am-1:21 pm
1 stop6h 54m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Wed 12/30
1:26 pm-7:52 pm
1 stop5h 26m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Sat 10/17
8:50 am-2:20 pm
1 stop4h 30m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Tue 11/24
6:24 pm-9:38 pm
Nonstop2h 14m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Sat 11/21
8:45 am-2:58 pm
1 stop5h 13m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$148
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Wed 11/25
5:05 pm-11:15 pm
1 stop5h 10m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Wed 10/14
2:51 pm-6:14 pm
Nonstop2h 23m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
ChicagoPhiladelphia
ORD Chicago O'Hare Intl - PHL Philadelphia
ORDPHL
Chicago O'Hare Intl
Thu 10/15
11:25 am-2:43 pm
Nonstop2h 18m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Philadelphia in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from O'Hare Intl with our price prediction graph.
ORD-PHL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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Everything you need to know about your flight from Chicago O'Hare Intl Airport to Philadelphia
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Philadelphia?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Philadelphia, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Philadelphia?
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Philadelphia (average of $235). Flying from Chicago O'Hare Intl Airport to Philadelphia in July is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to PHL?
Find hourly flight availability from O'Hare Intl 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 September 24, 2026.
One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Philadelphia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 38% on airfare.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Philadelphia. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Philadelphia flight should consider departing on Friday 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.
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.
The best insider tips for Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 September 24, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier from Chicago O'Hare Intl Airport to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Overall
7.4
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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
Reading
King of Prussia
Camden
Ocean City
Wildwood Crest
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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O'Hare Intl and Philadelphia flights
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Other flights from O'Hare Intl
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Top 3 airlines flying from O'Hare Intl to Philadelphia
Discover the top 3 airlines that operate flights from O'Hare Intl 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$344 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$390 | FlexibilityNo cancel fee | On-time69% |