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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: 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 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 8 days
SWISS
SWISS
LCY
03:30
ORD
17:55
14h 25m
1 stop
ORD
16:15
LCY
07:40
15h 25m
1 stop
Depart: Sat 24 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 4 days
US Airways
US Airways
LHR
07:05
ORD
18:04
82h 59m
2 stops
ORD
12:55
LHR
20:45
7h 50m
nonstop
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: 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: Mon 16 Mar 2015 Return: Mon 6 Apr 2015 Trip spans 22 days
Multiple Airlines
Multiple Airlines
BHX
05:25
ORD
21:06
15h 41m
2 stops
ORD
13:25
BHX
05:55
16h 30m
1 stop
Depart: Tue 10 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 9 days
Lufthansa
Lufthansa
LCY
04:10
ORD
17:15
13h 05m
1 stop
ORD
13:15
LCY
00:30
11h 15m
1 stop
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: Wed 11 Feb 2015 Return: Wed 25 Feb 2015 Trip spans 15 days
KLM Royal Dutch
KLM Royal Dutch
EDI
03:25
ORD
15:25
12h 00m
1 stop
ORD
11:25
EDI
01:50
14h 25m
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: Fri 9 Jan 2015 Return: Sun 11 Jan 2015 Trip spans 3 days
Lufthansa
Lufthansa
STN
02:50
ORD
16:10
13h 20m
1 stop
ORD
12:50
STN
08:00
19h 10m
1 stop
Depart: Wed 4 Mar 2015 Return: Mon 9 Mar 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
MAN
00:55
ORD
15:20
14h 25m
1 stop
ORD
13:20
MAN
08:25
19h 05m
1 stop
Depart: Sun 1 Mar 2015 Return: Sat 7 Mar 2015 Trip spans 7 days
SAS
SAS
MAN
05:20
ORD
19:10
13h 50m
1 stop
ORD
11:25
MAN
07:55
19h 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
05:05
27h 15m
2 stops
Depart: Tue 17 Feb 2015 Return: Thu 26 Feb 2015 Trip spans 10 days
Air France
Air France
MAN
01:45
ORD
14:17
12h 32m
1 stop
ORD
11:52
MAN
23:20
11h 28m
1 stop
Depart: Thu 22 Jan 2015 Return: Fri 30 Jan 2015 Trip spans 9 days
Aer Lingus
Aer Lingus
LHR
03:50
ORD
16:30
12h 40m
1 stop
ORD
14:15
LHR
02:30
12h 15m
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: Tue 10 Feb 2015 Return: Mon 23 Feb 2015 Trip spans 14 days
Air France
Air France
EDI
01:35
ORD
14:17
12h 42m
1 stop
ORD
08:00
EDI
21:05
13h 05m
2 stops
Depart: Wed 25 Mar 2015 Return: Thu 2 Apr 2015 Trip spans 9 days
KLM Royal Dutch
KLM Royal Dutch
GLA
05:20
ORD
21:06
15h 46m
2 stops
ORD
12:20
GLA
00:20
12h 00m
1 stop
Depart: Thu 29 Jan 2015 Return: Thu 5 Feb 2015 Trip spans 8 days
Iberia
Iberia
LHR
02:25
ORD
15:30
13h 05m
1 stop
ORD
12:55
LHR
20:45
7h 50m
nonstop
Change your search
Airports
Origin

London
only £453
only £452
only £471
only £467
Manchester
£452
Glasgow
£476
Edinburgh
£463
Birmingham
£460
Destination

Chicago
£452