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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: Wed 4 Mar 2015 Return: Sun 8 Mar 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
BHX
03:40
ORD
16:55
13h 15m
1 stop
ORD
13:50
BHX
02:55
13h 05m
1 stop
Depart: Fri 13 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 11 days
Lufthansa
Lufthansa
MAN
02:15
ORD
15:05
12h 50m
1 stop
ORD
13:15
MAN
02:20
13h 05m
1 stop
Depart: Mon 24 Nov 2014 Return: Wed 3 Dec 2014 Trip spans 10 days
Multiple Airlines
Multiple Airlines
LHR
03:50
ORD
16:55
13h 05m
1 stop
ORD
11:00
LHR
18:55
7h 55m
nonstop
Depart: Fri 9 Jan 2015 Return: Tue 13 Jan 2015 Trip spans 5 days
United
United
MAN
04:00
ORD
19:41
15h 41m
1 stop
ORD
08:00
MAN
20:30
12h 30m
1 stop
Depart: Sun 11 Jan 2015 Return: Wed 11 Mar 2015 Trip spans 59 days
Lufthansa
Lufthansa
LHR
05:05
ORD
14:15
9h 10m
nonstop
ORD
13:00
LHR
20:55
7h 55m
nonstop
Depart: Sat 14 Feb 2015 Return: Sat 21 Feb 2015 Trip spans 8 days
Lufthansa
Lufthansa
STN
02:50
ORD
16:10
13h 20m
1 stop
ORD
12:50
STN
08:00
19h 10m
1 stop
Depart: Sun 19 Apr 2015 Return: Sun 26 Apr 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
NCL
16:25
ORD
17:14
24h 49m
2 stops
ORD
09:30
NCL
01:05
15h 35m
2 stops
Depart: Tue 16 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 16 days
United
United
LHR
03:50
ORD
19:01
15h 11m
2 stops
ORD
04:17
LHR
19:55
15h 38m
1 stop
Depart: Sun 15 Mar 2015 Return: Wed 15 Apr 2015 Trip spans 32 days
Austrian Airlines
Austrian Airlines
LHR
05:05
ORD
15:55
34h 50m
1 stop
ORD
12:05
LHR
11:30
23h 25m
1 stop
Depart: Thu 26 Mar 2015 Return: Thu 9 Apr 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
STN
04:00
ORD
17:10
13h 10m
1 stop
ORD
13:35
STN
09:30
19h 55m
1 stop
Depart: Thu 4 Dec 2014 Return: Sun 7 Dec 2014 Trip spans 4 days
Aer Lingus
Aer Lingus
LHR
02:50
ORD
16:30
13h 40m
1 stop
ORD
14:15
LHR
04:30
14h 15m
1 stop
Depart: Thu 5 Feb 2015 Return: Sun 8 Feb 2015 Trip spans 4 days
Aer Lingus
Aer Lingus
LGW
04:10
ORD
16:30
12h 20m
1 stop
ORD
14:15
LGW
05:05
14h 50m
1 stop
Depart: Sun 30 Nov 2014 Return: Sun 7 Dec 2014 Trip spans 8 days
SAS
SAS
MAN
13:35
ORD
13:30
23h 55m
1 stop
ORD
17:05
MAN
07:40
14h 35m
1 stop
Depart: Fri 15 May 2015 Return: Fri 22 May 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
MAN
04:40
ORD
17:45
13h 05m
1 stop
ORD
13:35
MAN
00:50
11h 15m
1 stop
Depart: Wed 13 May 2015 Return: Mon 25 May 2015 Trip spans 13 days
Brussels Airlines
Brussels Airlines
MAN
02:35
ORD
15:00
12h 25m
1 stop
ORD
14:05
MAN
10:55
20h 50m
1 stop
Depart: Thu 27 Nov 2014 Return: Tue 2 Dec 2014 Trip spans 6 days
SAS
SAS
BHX
04:55
ORD
19:10
14h 15m
1 stop
ORD
17:05
BHX
07:35
14h 30m
1 stop
Depart: Tue 6 Jan 2015 Return: Wed 4 Mar 2015 Trip spans 58 days
SAS
SAS
LHR
13:00
ORD
13:30
24h 30m
1 stop
ORD
11:25
LHR
01:50
14h 25m
1 stop
Depart: Sat 31 Jan 2015 Return: Wed 11 Feb 2015 Trip spans 12 days
United
United
EDI
04:05
ORD
13:43
33h 38m
2 stops
ORD
05:17
EDI
20:35
15h 18m
2 stops
Depart: Tue 23 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 8 days
British Airways
British Airways
GLA
08:50
ORD
21:30
12h 40m
1 stop
ORD
13:15
GLA
01:45
12h 30m
1 stop
Depart: Mon 16 Feb 2015 Return: Mon 23 Feb 2015 Trip spans 8 days
KLM Royal Dutch
KLM Royal Dutch
NWI
04:45
ORD
15:25
10h 40m
1 stop
ORD
06:00
NWI
22:10
16h 10m
2 stops
Change your search
Airports
Origin

Norwich
£579
Birmingham
£398
Glasgow
£537
Newcastle upon Tyne
£435
London
only £408
only £427
only £464
Edinburgh
£484
Manchester
£399
Destination

Chicago
£398