Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.
Frontier offers Zone 1 boarding with a carry-on purchase or special fare bundle.
Round-trip from | $159 (United Airlines) |
---|---|
One-way from | $80 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $189 |
Good round-trip deal | $190 or less |
Good one-way deal | $104 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Wed 8/13
8:15 am-9:39 am
Nonstop2h 24m
Chicago O'Hare Intl
Thu 8/14
4:00 pm-11:14 pm
1 stop6h 14m
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Wed 9/17
3:40 pm-9:30 pm
1 stop6h 50m
Chicago Midway
Sat 9/20
1:05 pm-4:05 pm
Nonstop2h 00m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Thu 8/14
6:45 pm-12:22 am
1 stop6h 37m
Chicago O'Hare Intl
Tue 8/19
6:56 am-2:38 pm
1 stop6h 42m
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Fri 7/11
10:38 pm-11:51 pm
Nonstop2h 13m
Chicago Midway
Mon 7/14
6:40 pm-9:45 pm
Nonstop2h 05m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Sat 7/12
6:21 pm-11:29 pm
1 stop6h 08m
Chicago O'Hare Intl
Mon 7/14
8:27 pm-11:53 pm
Nonstop2h 26m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Mon 7/21
9:12 pm-7:04 am
1 stop10h 52m
Chicago O'Hare Intl
Tue 7/29
5:05 am-4:16 pm
1 stop10h 11m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Fri 8/15
9:15 pm-10:49 pm
Nonstop2h 34m
Chicago O'Hare Intl
Sun 8/17
5:00 am-8:03 am
Nonstop2h 03m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Wed 8/6
9:36 am-12:50 pm
1 stop4h 14m
Chicago O'Hare Intl
Sat 8/9
1:46 pm-9:58 pm
1 stop7h 12m
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Wed 8/6
5:21 pm-9:42 pm
1 stop5h 21m
Chicago Midway
Tue 8/12
6:42 pm-12:56 am
1 stop5h 14m
PhiladelphiaChicago
PHL - RFD
PHLRFD
Philadelphia
Thu 8/14
9:47 am-2:51 pm
1 stop6h 04m
Chicago Greater Rockford
Sun 8/17
3:41 pm-9:56 am
2 stops17h 15m
The price you pay for your flight from Philadelphia to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from Philadelphia to Chicago (average of $245). Flying from Philadelphia to Chicago in March is currently the most expensive (average of $321). 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.
It’s optimal to fly from Philadelphia to Chicago in the evening. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Philadelphia to Chicago flight should consider departing on Thursday evenings 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 most flights from PHL to CHI are scheduled on a Thursday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
John,May 2025
PVD - BNA
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
John,May 2025
PVD - BNA
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
John,May 2025
PVD - BNA
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
John,May 2025
PVD - BNA
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
John,May 2025
PVD - BNA
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$50 | Average$138 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$118 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$146 | Average$303 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$156 | Average$292 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$170 | Average$302 | FlexibilityNo cancel fee | On-time63% |