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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: Sat 17 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 3 days
United
United
GLA
04:00
ORD
13:30
33h 30m
1 stop
ORD
05:17
GLA
20:30
15h 13m
2 stops
Depart: Wed 15 Apr 2015 Return: Wed 29 Apr 2015 Trip spans 15 days
SAS
SAS
MAN
14:35
ORD
14:20
23h 45m
1 stop
ORD
18:05
MAN
08:40
14h 35m
1 stop
Depart: Thu 5 Feb 2015 Return: Thu 12 Feb 2015 Trip spans 8 days
SWISS
SWISS
MAN
03:40
ORD
16:55
13h 15m
1 stop
ORD
14:15
MAN
07:10
16h 55m
1 stop
Depart: Tue 17 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 8 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: Tue 17 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 8 days
SWISS
SWISS
LHR
04:50
ORD
17:55
13h 05m
1 stop
ORD
16:15
LHR
07:15
15h 00m
1 stop
Depart: Fri 20 Mar 2015 Return: Mon 30 Mar 2015 Trip spans 11 days
Lufthansa
Lufthansa
STN
03:50
ORD
17:10
13h 20m
1 stop
ORD
13:35
STN
09:30
19h 55m
1 stop
Depart: Thu 15 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
MAN
05:45
ORD
18:15
12h 30m
1 stop
ORD
16:25
MAN
07:25
15h 00m
1 stop
Depart: Tue 31 Mar 2015 Return: Tue 7 Apr 2015 Trip spans 8 days
SAS
SAS
BHX
06:15
ORD
19:40
13h 25m
1 stop
ORD
18:05
BHX
08:35
14h 30m
1 stop
Depart: Sat 10 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 3 days
British Airways
British Airways
LGW
08:25
ORD
14:33
30h 08m
1 stop
ORD
01:50
LGW
07:20
29h 30m
2 stops
Depart: Thu 29 Jan 2015 Return: Thu 12 Feb 2015 Trip spans 15 days
SWISS
SWISS
LCY
02:30
ORD
16:55
14h 25m
1 stop
ORD
14:15
LCY
01:50
11h 35m
1 stop
Depart: Thu 2 Apr 2015 Return: Sat 25 Apr 2015 Trip spans 24 days
SAS
SAS
EDI
09:15
ORD
14:20
29h 05m
1 stop
ORD
12:25
EDI
00:05
11h 40m
1 stop
Depart: Thu 12 Feb 2015 Return: Thu 26 Feb 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
LCY
02:30
ORD
16:55
14h 25m
1 stop
ORD
11:15
LCY
22:30
11h 15m
1 stop
Depart: Wed 11 Feb 2015 Return: Sat 28 Feb 2015 Trip spans 18 days
Aer Lingus
Aer Lingus
LBA
03:15
ORD
16:30
13h 15m
1 stop
ORD
14:15
LBA
00:45
10h 30m
1 stop
Depart: Thu 12 Mar 2015 Return: Thu 19 Mar 2015 Trip spans 8 days
Delta
Delta
LHR
06:10
ORD
21:06
14h 56m
1 stop
ORD
14:50
LHR
01:30
10h 40m
1 stop
Depart: Tue 3 Mar 2015 Return: Fri 13 Mar 2015 Trip spans 10 days
SAS
SAS
LHR
16:05
ORD
13:30
21h 25m
1 stop
ORD
13:25
LHR
03:50
14h 25m
1 stop
Depart: Sat 14 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 5 days
Lufthansa
Lufthansa
LHR
04:05
ORD
17:10
13h 05m
1 stop
ORD
13:15
LHR
00:30
11h 15m
1 stop
Depart: Tue 20 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 7 days
United
United
LHR
03:20
ORD
16:15
12h 55m
1 stop
ORD
16:40
LHR
10:25
17h 45m
1 stop
Depart: Tue 9 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EDI
02:00
ORD
14:50
12h 50m
1 stop
ORD
18:35
EDI
07:05
12h 30m
1 stop
Depart: Sun 7 Jun 2015 Return: Wed 17 Jun 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
GLA
11:30
ORD
12:10
24h 40m
1 stop
ORD
13:00
GLA
03:15
14h 15m
1 stop
Depart: Thu 23 Apr 2015 Return: Tue 28 Apr 2015 Trip spans 6 days
Iberia
Iberia
GLA
02:40
ORD
17:10
14h 30m
1 stop
ORD
16:25
GLA
04:35
12h 10m
1 stop
Change your search
Airports
Origin

Leeds
£457
London
only £445
only £454
only £454
only £447
Manchester
£408
Glasgow
£392
Edinburgh
£454
Birmingham
£450
Destination

Chicago
£392