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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
Multiple Airlines
Multiple Airlines
MAN
08:40
ORD
15:25
30h 45m
1 stop
ORD
11:25
MAN
00:40
13h 15m
1 stop
Depart: Thu 12 Feb 2015 Return: Tue 17 Feb 2015 Trip spans 6 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 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: Thu 5 Feb 2015 Return: Thu 12 Feb 2015 Trip spans 8 days
US Airways
US Airways
MAN
05:45
ORD
20:33
14h 48m
1 stop
ORD
16:25
MAN
07:15
14h 50m
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: Sat 21 Mar 2015 Return: Mon 6 Apr 2015 Trip spans 17 days
Multiple Airlines
Multiple Airlines
BHX
02:05
ORD
19:43
17h 38m
2 stops
ORD
15:15
BHX
08:05
16h 50m
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: 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: 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: 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: Sun 1 Feb 2015 Return: Sat 14 Feb 2015 Trip spans 14 days
SAS
SAS
MAN
13:35
ORD
13:30
23h 55m
1 stop
ORD
11:25
MAN
06:55
19h 30m
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: 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: Sat 14 Feb 2015 Return: Fri 20 Feb 2015 Trip spans 7 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: Fri 26 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 6 days
KLM Royal Dutch
KLM Royal Dutch
EDI
00:50
ORD
15:25
14h 35m
1 stop
ORD
06:55
EDI
23:15
16h 20m
2 stops
Depart: Wed 10 Jun 2015 Return: Wed 24 Jun 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
LGW
13:10
ORD
19:25
30h 15m
1 stop
ORD
18:15
LGW
23:05
28h 50m
1 stop
Depart: Tue 6 Jan 2015 Return: Sat 17 Jan 2015 Trip spans 12 days
American Airlines
American Airlines
GLA
04:30
ORD
18:30
14h 00m
1 stop
ORD
12:10
GLA
01:55
13h 45m
1 stop
Change your search
Airports
Origin

London
only £446
only £454
only £553
only £429
Manchester
£434
Glasgow
£594
Edinburgh
£492
Birmingham
£461
Destination

Chicago
£429