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Cheap flights Philadelphia (Philadelphia International) to O'Hare International Airport

1 passenger, economy

Cheap flights Philadelphia to O'Hare International Airport

Compare prices, duration and stops

American Airlines
AA 1854
16:39
Philadelphia, Philadelphia International (PHL)
Wed, 16 sep
2h 30min
Direct
19:09
Chicago, O'Hare International Airport (ORD)
Wed, 16 sep
145 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Wed, 16 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Wed, 16 sep
191 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Thu, 17 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Thu, 17 sep
195 S$
Frontier Airlines
F9 2111
15:54
Philadelphia, Philadelphia International (PHL)
Fri, 18 sep
2h 36min
Direct
18:30
Chicago, O'Hare International Airport (ORD)
Fri, 18 sep
178 S$
Frontier Airlines
F9 4455
11:50
Philadelphia, Philadelphia International (PHL)
Sat, 19 sep
8h 30min
1 stop
20:20
Chicago, O'Hare International Airport (ORD)
Sat, 19 sep
182 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Sat, 19 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Sat, 19 sep
122 S$
Frontier Airlines
F9 2111
15:54
Philadelphia, Philadelphia International (PHL)
Sun, 20 sep
2h 36min
Direct
18:30
Chicago, O'Hare International Airport (ORD)
Sun, 20 sep
184 S$
Frontier Airlines
F9 2013
23:39
Philadelphia, Trenton-Mercer Airport (TTN)
Sun, 20 sep
15h 41min
1 stop
15:20
Chicago, O'Hare International Airport (ORD)
Mon, 21 sep +1
176 S$
Frontier Airlines
F9 2111
15:54
Philadelphia, Philadelphia International (PHL)
Mon, 21 sep
2h 36min
Direct
18:30
Chicago, O'Hare International Airport (ORD)
Mon, 21 sep
197 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Tue, 22 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Tue, 22 sep
221 S$
Frontier Airlines
F9 1101 🔥 Hot deal
16:40
Philadelphia, Philadelphia International (PHL)
Wed, 23 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Wed, 23 sep
216 S$
Frontier Airlines
F9 4455
11:50
Philadelphia, Philadelphia International (PHL)
Thu, 24 sep
7h 55min
1 stop
19:45
Chicago, O'Hare International Airport (ORD)
Thu, 24 sep
163 S$
Frontier Airlines
F9 2111
15:54
Philadelphia, Philadelphia International (PHL)
Thu, 24 sep
2h 36min
Direct
18:30
Chicago, O'Hare International Airport (ORD)
Thu, 24 sep
185 S$
Frontier Airlines
F9 4455
11:50
Philadelphia, Philadelphia International (PHL)
Sat, 26 sep
8h 30min
1 stop
20:20
Chicago, O'Hare International Airport (ORD)
Sat, 26 sep
163 S$
Frontier Airlines
F9 2297
12:41
Philadelphia, Philadelphia International (PHL)
Mon, 28 sep
10h 42min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Mon, 28 sep
191 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Tue, 29 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Tue, 29 sep
149 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Wed, 30 sep
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Wed, 30 sep
133 S$
Frontier Airlines
F9 2111 🔥 Hot deal Best price
15:54
Philadelphia, Philadelphia International (PHL)
Thu, 1 oct
2h 36min
Direct
18:30
Chicago, O'Hare International Airport (ORD)
Thu, 1 oct
84 S$
Frontier Airlines
F9 1101
16:40
Philadelphia, Philadelphia International (PHL)
Sat, 3 oct
6h 43min
1 stop
23:23
Chicago, O'Hare International Airport (ORD)
Sat, 3 oct
125 S$
Frontier Airlines
F9 2111
01:09
Philadelphia, Philadelphia International (PHL)
Fri, 9 oct
2h 30min
Direct
03:39
Chicago, O'Hare International Airport (ORD)
Fri, 9 oct
137 S$
Frontier Airlines
F9 2297
12:30
Philadelphia, Philadelphia International (PHL)
Tue, 13 oct
11h 1min
1 stop
23:31
Chicago, O'Hare International Airport (ORD)
Tue, 13 oct
144 S$
Frontier Airlines
F9 2111
16:05
Philadelphia, Philadelphia International (PHL)
Sun, 1 nov
2h 36min
Direct
18:41
Chicago, O'Hare International Airport (ORD)
Sun, 1 nov
125 S$
United Airlines
UA 660
11:10
Philadelphia, Philadelphia International (PHL)
Tue, 1 dec
2h 21min
Direct
13:31
Chicago, O'Hare International Airport (ORD)
Tue, 1 dec
174 S$
United Airlines
UA 1117
11:22
Philadelphia, Philadelphia International (PHL)
Wed, 10 feb
2h 34min
Direct
13:56
Chicago, O'Hare International Airport (ORD)
Wed, 10 feb
119 S$
American Airlines
AA 3177
02:02
Philadelphia, Philadelphia International (PHL)
Tue, 2 mar
2h 28min
Direct
04:30
Chicago, O'Hare International Airport (ORD)
Tue, 2 mar
144 S$
American Airlines
AA 3177
02:02
Philadelphia, Philadelphia International (PHL)
Wed, 3 mar
2h 28min
Direct
04:30
Chicago, O'Hare International Airport (ORD)
Wed, 3 mar
126 S$
American Airlines
AA 782
15:30
Philadelphia, Philadelphia International (PHL)
Wed, 3 mar
2h 48min
Direct
18:18
Chicago, O'Hare International Airport (ORD)
Wed, 3 mar
126 S$
United Airlines
UA 660
11:10
Philadelphia, Philadelphia International (PHL)
Thu, 4 mar
2h 21min
Direct
13:31
Chicago, O'Hare International Airport (ORD)
Thu, 4 mar
235 S$
Frontier Airlines
F9 2113
17:46
Philadelphia, Philadelphia International (PHL)
Fri, 5 mar
2h 33min
Direct
20:19
Chicago, O'Hare International Airport (ORD)
Fri, 5 mar
184 S$
United Airlines
UA 438
00:00
Philadelphia, Philadelphia International (PHL)
Sun, 7 mar
2h 34min
Direct
02:34
Chicago, O'Hare International Airport (ORD)
Sun, 7 mar
187 S$
Frontier Airlines
F9 2113
17:46
Philadelphia, Philadelphia International (PHL)
Sun, 7 mar
2h 33min
Direct
20:19
Chicago, O'Hare International Airport (ORD)
Sun, 7 mar
187 S$

Low price calendar

September 2026
Price chart (September 2026)
min: 122 S$ · max: 221 S$
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16
Good deal
145 S$
17
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195 S$
18
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178 S$
19
Good deal
122 S$
20
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176 S$
21
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197 S$
22
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221 S$
23
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216 S$
24
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163 S$
25
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163 S$
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191 S$
29
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149 S$
30
Good deal
133 S$

Cheap flights Philadelphia to O'Hare International Airport

United Airlines
United Airlines
Tue, Wed, Thu, Sun
Price from
S$119
Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$122
American Airlines
American Airlines
Tue, Wed
Price from
S$126

Popular destinations from Philadelphia

All →
PHL
Philadelphia — Atlanta
United States → United States
ATL
from
S$24
PHL
Philadelphia — Miami
United States → United States
MIA
from
S$29
PHL
Philadelphia — Fort Lauderdale
United States → United States
FLL
from
S$29
PHL
Philadelphia — Tampa
United States → United States
TPA
from
S$34
PHL
Philadelphia — Myrtle Beach
United States → United States
MYR
from
S$37
PHL
Philadelphia — Orlando
United States → United States
ORL
from
S$39
PHL
Philadelphia — Tampa
United States → United States
PIE
from
S$42
PHL
Philadelphia — Orlando
United States → United States
MCO
from
S$56
PHL
Philadelphia — Denver
United States → United States
DEN
from
S$58

Popular destinations to O'Hare International Airport

All →
HOU
Houston — Chicago
United States → United States
ORD
from
S$27
FLL
Fort Lauderdale — Chicago
United States → United States
ORD
from
S$32
ATL
Atlanta — Chicago
United States → United States
ORD
from
S$34
NYC
New York — Chicago
United States → United States
ORD
from
S$38
DEN
Denver — Chicago
United States → United States
ORD
from
S$42
LAS
Las Vegas — Chicago
United States → United States
ORD
from
S$51
LAX
Los Angeles — Chicago
United States → United States
ORD
from
S$71
DFW
Dallas — Chicago
United States → United States
ORD
from
S$73

Cheap flights Philadelphia to O'Hare International Airport

Interesting facts about the route

Flight time

6h 43min

Distance

1 087 km

Average price

S$174

Most frequent flight

F9 1101

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

S$11

Buy

change

2 GB

data

15

days

S$16

Buy

change

5 GB

data

30

days

S$18

Buy

change

3 GB

data

30

days

S$20

Buy

change

5 GB

data

30

days

S$29

Buy

Frequently Asked Questions

The average ticket price Philadelphia O'Hare International Airport is S$174. The cheapest ticket costs S$122, operated by Frontier Airlines, flight 1101, departing Philadelphia on 19 September at 16:40, arriving O'Hare International Airport on 19 September at 23:23.
The average flight time is 6 hours 43 minutes. The fastest flight takes 2 hours 30 minutes, flight 1854 operated by American Airlines, departing Philadelphia on 16 September at 16:39, arriving O'Hare International Airport on 16 September at 19:09.
Flights on the Philadelphia - O'Hare International Airport route are operated by the following airlines: American Airlines, Frontier Airlines, United Airlines.
The distance from Philadelphia to O'Hare International Airport is 1087 km.