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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: Thu 26 Mar 2015 Return: Mon 20 Apr 2015 Trip spans 26 days
Lufthansa
Lufthansa
STN
04:00
ORD
17:10
13h 10m
1 stop
ORD
13:35
STN
09:30
19h 55m
1 stop
Depart: Tue 3 Feb 2015 Return: Wed 11 Feb 2015 Trip spans 9 days
US Airways
US Airways
MAN
05:30
ORD
20:06
14h 36m
1 stop
ORD
16:25
MAN
03:10
10h 45m
1 stop
Depart: Tue 17 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 8 days
SWISS
SWISS
LCY
02:30
ORD
16:55
14h 25m
1 stop
ORD
14:15
LCY
01:50
11h 35m
1 stop
Depart: Tue 13 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 14 days
United
United
MAN
04:00
ORD
21:56
17h 56m
2 stops
ORD
05:17
MAN
20:30
15h 13m
2 stops
Depart: Sun 1 Mar 2015 Return: Sun 8 Mar 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
MAN
08:35
ORD
15:20
30h 45m
1 stop
ORD
13:20
MAN
02:40
13h 20m
1 stop
Depart: Wed 24 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 8 days
KLM Royal Dutch
KLM Royal Dutch
MAN
04:20
ORD
15:25
11h 05m
1 stop
ORD
06:55
MAN
21:30
14h 35m
2 stops
Depart: Tue 24 Mar 2015 Return: Tue 31 Mar 2015 Trip spans 8 days
Delta
Delta
LHR
10:05
ORD
22:46
12h 41m
1 stop
ORD
11:00
LHR
22:45
11h 45m
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: Thu 15 Jan 2015 Return: Sun 25 Jan 2015 Trip spans 11 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 31 Jan 2015 Return: Sat 7 Feb 2015 Trip spans 8 days
SAS
SAS
MAN
05:20
ORD
19:10
13h 50m
1 stop
ORD
11:25
MAN
06:55
19h 30m
1 stop
Depart: Thu 26 Feb 2015 Return: Thu 5 Mar 2015 Trip spans 8 days
Air France
Air France
MAN
01:45
ORD
14:17
12h 32m
1 stop
ORD
11:49
MAN
00:00
12h 11m
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: Thu 8 Jan 2015 Return: Sat 17 Jan 2015 Trip spans 10 days
US Airways
US Airways
GLA
02:00
ORD
18:30
16h 30m
1 stop
ORD
12:55
GLA
01:55
13h 00m
1 stop
Depart: Mon 9 Feb 2015 Return: Sun 22 Feb 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
LCY
13:20
ORD
16:55
27h 35m
1 stop
ORD
11:15
LCY
22:30
11h 15m
1 stop
Depart: Tue 10 Feb 2015 Return: Fri 20 Feb 2015 Trip spans 11 days
Aer Lingus
Aer Lingus
LHR
15:45
ORD
16:30
24h 45m
1 stop
ORD
14:15
LHR
02:30
12h 15m
1 stop
Depart: Mon 12 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 7 days
US Airways
US Airways
LHR
04:55
ORD
13:45
8h 50m
nonstop
ORD
14:35
LHR
08:25
17h 50m
1 stop
Depart: Sun 8 Feb 2015 Return: Fri 27 Feb 2015 Trip spans 20 days
LOT Polish Air
LOT Polish Air
LHR
05:35
ORD
20:40
15h 05m
1 stop
ORD
16:30
LHR
05:55
13h 25m
1 stop
Depart: Thu 12 Mar 2015 Return: Fri 20 Mar 2015 Trip spans 9 days
SAS
SAS
LHR
17:05
ORD
14:30
21h 25m
1 stop
ORD
13:25
LHR
03:50
14h 25m
1 stop
Depart: Sun 19 Apr 2015 Return: Tue 28 Apr 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
LGW
04:50
ORD
20:25
39h 35m
2 stops
ORD
11:55
LGW
02:10
14h 15m
2 stops
Depart: Sat 23 May 2015 Return: Thu 4 Jun 2015 Trip spans 13 days
Lufthansa
Lufthansa
EDI
09:00
ORD
21:25
12h 25m
1 stop
ORD
14:00
EDI
21:50
7h 50m
nonstop
Change your search
Airports
Origin

London
only £465
only £455
only £555
only £430
Manchester
£455
Glasgow
£478
Edinburgh
£569
Birmingham
£466
Destination

Chicago
£430