Browse Origins:
  • United Kingdom:
Browse Destinations:

Find flight deals from United Kingdom to Chicago O'Hare International

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Chicago O'Hare International

(Round-trip)
Depart: Tue 3 Feb 2015 Return: Wed 11 Feb 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
MAN
08:40
ORD
15:25
30h 45m
1 stop
ORD
11:25
MAN
00:40
13h 15m
1 stop
Depart: Thu 12 Feb 2015 Return: Tue 17 Feb 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LHR
03:50
ORD
16:55
13h 05m
1 stop
ORD
11:10
LHR
07:40
20h 30m
1 stop
Depart: Wed 14 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 15 days
SWISS
SWISS
LHR
03:50
ORD
16:55
13h 05m
1 stop
ORD
14:15
LHR
02:00
11h 45m
1 stop
Depart: Mon 16 Feb 2015 Return: Wed 25 Feb 2015 Trip spans 10 days
Iberia
Iberia
LBA
04:25
ORD
18:30
14h 05m
1 stop
ORD
11:20
LBA
03:05
15h 45m
2 stops
Depart: Thu 22 Jan 2015 Return: Wed 18 Feb 2015 Trip spans 28 days
SWISS
SWISS
LCY
02:30
ORD
16:55
14h 25m
1 stop
ORD
14:15
LCY
01:50
11h 35m
1 stop
Depart: Fri 16 Jan 2015 Return: Mon 9 Feb 2015 Trip spans 25 days
Aer Lingus
Aer Lingus
BHX
03:20
ORD
16:30
13h 10m
1 stop
ORD
14:15
BHX
00:35
10h 20m
1 stop
Depart: Sat 21 Mar 2015 Return: Mon 6 Apr 2015 Trip spans 17 days
Multiple Airlines
Multiple Airlines
BHX
02:05
ORD
19:43
17h 38m
2 stops
ORD
15:15
BHX
08:05
16h 50m
1 stop
Depart: Sat 7 Feb 2015 Return: Thu 12 Feb 2015 Trip spans 6 days
Brussels Airlines
Brussels Airlines
MAN
01:35
ORD
14:35
13h 00m
1 stop
ORD
12:50
MAN
09:50
21h 00m
1 stop
Depart: Sat 17 Jan 2015 Return: Sat 7 Mar 2015 Trip spans 50 days
Lufthansa
Lufthansa
STN
02:50
ORD
16:10
13h 20m
1 stop
ORD
12:50
STN
09:00
19h 10m
1 stop
Depart: Sun 1 Feb 2015 Return: Sat 14 Feb 2015 Trip spans 14 days
SAS
SAS
MAN
13:35
ORD
13:30
23h 55m
1 stop
ORD
11:25
MAN
06:55
19h 30m
1 stop
Depart: Sun 15 Mar 2015 Return: Sun 22 Mar 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LCY
15:40
ORD
17:55
26h 15m
1 stop
ORD
13:15
LCY
00:30
11h 15m
1 stop
Depart: Mon 29 Dec 2014 Return: Tue 6 Jan 2015 Trip spans 9 days
US Airways
US Airways
LHR
07:05
ORD
20:31
13h 26m
1 stop
ORD
16:10
LHR
19:50
27h 40m
1 stop
Depart: Fri 20 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 10 days
SAS
SAS
LHR
04:55
ORD
19:10
14h 15m
1 stop
ORD
17:05
LHR
05:00
11h 55m
1 stop
Depart: Sat 14 Mar 2015 Return: Sat 28 Mar 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EDI
05:10
ORD
17:05
11h 55m
1 stop
ORD
05:40
EDI
00:40
19h 00m
1 stop
Depart: Fri 26 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 6 days
KLM Royal Dutch
KLM Royal Dutch
EDI
00:50
ORD
15:25
14h 35m
1 stop
ORD
06:55
EDI
23:15
16h 20m
2 stops
Depart: Sat 28 Feb 2015 Return: Tue 10 Mar 2015 Trip spans 10 days
Delta
Delta
LHR
07:50
ORD
21:33
13h 43m
1 stop
ORD
14:50
LHR
01:30
10h 40m
1 stop
Depart: Fri 13 Feb 2015 Return: Tue 17 Feb 2015 Trip spans 5 days
LOT Polish Air
LOT Polish Air
LHR
01:30
ORD
20:40
19h 10m
1 stop
ORD
16:30
LHR
10:50
18h 20m
1 stop
Depart: Thu 15 Jan 2015 Return: Thu 5 Mar 2015 Trip spans 50 days
United
United
LHR
07:35
ORD
20:58
13h 23m
1 stop
ORD
09:05
LHR
19:20
10h 15m
1 stop
Depart: Mon 22 Dec 2014 Return: Wed 14 Jan 2015 Trip spans 24 days
SWISS
SWISS
MAN
03:40
ORD
16:55
13h 15m
1 stop
ORD
14:15
MAN
21:05
30h 50m
1 stop
Depart: Mon 13 Apr 2015 Return: Wed 29 Apr 2015 Trip spans 17 days
Turkish Airlines
Turkish Airlines
LGW
08:35
ORD
19:25
34h 50m
1 stop
ORD
18:15
LGW
00:50
30h 35m
1 stop
Change your search
Airports
Origin

Leeds
£454
London
only £446
only £455
only £541
only £466
Manchester
£434
Edinburgh
£490
Birmingham
£458
Destination

Chicago
£434