
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 (Frontier) |
One-way from | $88 (Expedia) |
Popular in | March |
Cheapest in | October |
Average price | $367 |
Good round-trip deal | $310 or less |
Good one-way deal | $139 or less |
Fly from
Fly to
Route
Depart
Return
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Mon 8/24
10:56 am-8:00 pm
1 stop8h 04m
Philadelphia
Fri 9/11
10:45 am-7:22 pm
1 stop9h 37m
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Mon 11/2
7:25 pm-10:15 pm
Nonstop1h 50m
Philadelphia
Sat 11/7
7:50 am-9:10 am
Nonstop2h 20m
MolinePhiladelphia
MLI - PHL
MLIPHL
Moline Quad-City
Fri 7/3
5:17 pm-12:59 am
1 stop6h 42m
Philadelphia
Wed 7/8
5:15 am-10:12 am
1 stop5h 57m
MolinePhiladelphia
MLI - PHL
MLIPHL
Moline Quad-City
Tue 8/11
7:00 pm-12:59 am
1 stop4h 59m
Philadelphia
Tue 8/25
6:25 am-12:22 pm
1 stop6h 57m
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Tue 7/28
3:40 pm-6:40 pm
Nonstop2h 00m
Philadelphia
Tue 8/4
1:45 pm-2:50 pm
Nonstop2h 05m
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Sat 7/11
11:33 am-2:47 pm
Nonstop2h 14m
Philadelphia
Tue 7/14
1:31 pm-2:55 pm
Nonstop2h 24m
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Sat 8/8
3:20 pm-6:20 pm
Nonstop2h 00m
Philadelphia
Tue 8/11
3:00 pm-4:00 pm
Nonstop2h 00m
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Sat 8/8
5:59 pm-9:19 pm
Nonstop2h 20m
Philadelphia
Tue 8/11
11:03 am-12:29 pm
Nonstop2h 26m
MolinePhiladelphia
MLI - PHL
MLIPHL
Moline Quad-City
Tue 6/30
8:15 am-2:47 pm
1 stop5h 32m
Philadelphia
Sun 7/5
6:00 am-12:36 pm
1 stop7h 36m
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Wed 7/1
11:33 am-2:47 pm
Nonstop2h 14m
Philadelphia
Wed 7/8
6:10 am-9:36 am
1 stop4h 26m
Currently, December is the cheapest month in which you can book a flight from Illinois to Philadelphia (average of $50). Flying from Illinois to Philadelphia in March is currently the most expensive (average of $511). 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.
When flying from Illinois to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight in the afternoon.
The most flights from USIL to PHL are scheduled on a Tuesday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Travelers seeking maximum savings on their Illinois 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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$154 | Average$449 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$167 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$391 | FlexibilityNo cancel fee | On-timeN/A |