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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 8 Jan 2015 Return: Tue 13 Jan 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
MAN
06:00
ORD
19:55
13h 55m
1 stop
ORD
14:15
MAN
21:05
30h 50m
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: Tue 3 Feb 2015 Return: Tue 10 Feb 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
01:30
ORD
14:05
12h 35m
1 stop
ORD
11:10
LHR
07:40
20h 30m
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: Mon 19 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 8 days
SWISS
SWISS
LCY
13:20
ORD
16:55
27h 35m
1 stop
ORD
14:15
LCY
05:40
15h 25m
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: Thu 15 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 5 days
Delta
Delta
LHR
09:35
ORD
22:40
13h 05m
1 stop
ORD
13:38
LHR
00:00
10h 22m
1 stop
Depart: Thu 19 Mar 2015 Return: Mon 6 Apr 2015 Trip spans 19 days
Air France
Air France
MAN
02:10
ORD
14:58
12h 48m
1 stop
ORD
13:20
MAN
01:00
11h 40m
1 stop
Depart: Wed 18 Mar 2015 Return: Wed 1 Apr 2015 Trip spans 15 days
KLM Royal Dutch
KLM Royal Dutch
MAN
05:20
ORD
21:06
15h 46m
2 stops
ORD
12:20
MAN
22:20
10h 00m
1 stop
Depart: Fri 13 Mar 2015 Return: Sun 15 Mar 2015 Trip spans 3 days
Lufthansa
Lufthansa
STN
03:50
ORD
17:10
13h 20m
1 stop
ORD
14:50
STN
10:00
19h 10m
1 stop
Depart: Mon 29 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 10 days
US Airways
US Airways
LHR
04:55
ORD
13:50
8h 55m
nonstop
ORD
05:15
LHR
19:50
14h 35m
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: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
SAS
SAS
LHR
16:05
ORD
13:30
21h 25m
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: Tue 31 Mar 2015 Return: Sun 12 Apr 2015 Trip spans 13 days
SAS
SAS
MAN
06:20
ORD
19:40
13h 20m
1 stop
ORD
12:25
MAN
09:50
21h 25m
1 stop
Depart: Sun 22 Feb 2015 Return: Tue 3 Mar 2015 Trip spans 10 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: Mon 5 Jan 2015 Return: Wed 14 Jan 2015 Trip spans 10 days
SWISS
SWISS
LGW
10:45
ORD
16:55
54h 10m
2 stops
ORD
14:15
LGW
04:05
37h 50m
2 stops
Depart: Wed 22 Apr 2015 Return: Mon 27 Apr 2015 Trip spans 6 days
SWISS
SWISS
MAN
04:40
ORD
17:45
13h 05m
1 stop
ORD
15:15
MAN
08:10
16h 55m
1 stop
Depart: Sat 27 Dec 2014 Return: Mon 29 Dec 2014 Trip spans 3 days
Delta
Delta
MAN
01:45
ORD
18:22
16h 37m
2 stops
ORD
07:40
MAN
21:30
13h 50m
1 stop
Depart: Thu 1 Jan 2015 Return: Wed 7 Jan 2015 Trip spans 7 days
KLM Royal Dutch
KLM Royal Dutch
LHR
05:10
ORD
17:00
11h 50m
1 stop
ORD
11:35
LHR
00:00
12h 25m
1 stop
Change your search
Airports
Origin

Leeds
£454
London
only £448
only £455
only £511
only £466
Manchester
£446
Edinburgh
£490
Birmingham
£458
Destination

Chicago
£446