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 | $156 (Cheapflightsfares) |
---|---|
One-way from | $79 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $189 |
Good round-trip deal | $180 or less |
Good one-way deal | $96 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Mon 7/28
5:48 pm-7:27 pm
Nonstop2h 39m
Chicago O'Hare Intl
Fri 8/1
8:27 pm-11:53 pm
Nonstop2h 26m
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Fri 9/26
6:05 am-7:16 am
Nonstop2h 11m
Chicago Midway
Mon 9/29
5:04 pm-12:54 am
1 stop6h 50m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Fri 8/8
9:12 pm-7:04 am
1 stop10h 52m
Chicago O'Hare Intl
Fri 8/22
6:35 am-9:52 am
Nonstop2h 17m
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Tue 8/5
6:30 am-7:30 am
Nonstop2h 00m
Chicago Midway
Thu 8/7
7:40 am-10:35 am
Nonstop1h 55m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Tue 8/12
6:05 am-11:49 am
1 stop6h 44m
Chicago O'Hare Intl
Sat 8/16
9:23 pm-12:30 am
Nonstop2h 07m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Tue 7/29
9:15 pm-10:51 pm
Nonstop2h 36m
Chicago O'Hare Intl
Sat 8/2
8:44 pm-12:08 am
Nonstop2h 24m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Mon 8/4
9:12 pm-7:04 am
1 stop10h 52m
Chicago O'Hare Intl
Mon 8/11
4:37 pm-8:04 am
2 stops14h 27m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Tue 8/5
3:40 pm-9:30 pm
1 stop6h 50m
Chicago O'Hare Intl
Tue 8/12
6:00 am-2:30 pm
1 stop7h 30m
PhiladelphiaChicago
PHL - ORD
PHLORD
Philadelphia
Wed 8/6
6:00 am-10:16 am
1 stop5h 16m
Chicago O'Hare Intl
Tue 8/12
2:00 pm-7:10 pm
1 stop4h 10m
PhiladelphiaChicago
PHL - MDW
PHLMDW
Philadelphia
Wed 8/6
6:00 am-8:44 am
1 stop3h 44m
Chicago Midway
Wed 8/6
1:09 pm-7:29 pm
1 stop5h 20m
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 Monday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$50 | Average$139 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$118 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$147 | Average$305 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$159 | Average$294 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$168 | Average$300 | FlexibilityNo cancel fee | On-time63% |