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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 1 Apr 2015 Return: Thu 9 Apr 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
STN
16:05
ORD
17:00
24h 55m
1 stop
ORD
13:35
STN
09:30
19h 55m
1 stop
Depart: Thu 2 Apr 2015 Return: Thu 16 Apr 2015 Trip spans 15 days
Lufthansa
Lufthansa
STN
03:55
ORD
17:00
13h 05m
1 stop
ORD
13:35
STN
09:30
19h 55m
1 stop
Depart: Tue 19 May 2015 Return: Tue 26 May 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
04:40
ORD
17:45
13h 05m
1 stop
ORD
12:05
LHR
11:30
23h 25m
1 stop
Depart: Tue 31 Mar 2015 Return: Mon 13 Apr 2015 Trip spans 14 days
SWISS
SWISS
LHR
04:40
ORD
17:45
13h 05m
1 stop
ORD
15:15
LHR
09:25
18h 10m
1 stop
Depart: Fri 1 May 2015 Return: Wed 6 May 2015 Trip spans 6 days
Air Canada
Air Canada
LHR
08:05
ORD
19:21
11h 16m
1 stop
ORD
09:40
LHR
20:25
10h 45m
1 stop
Depart: Sat 18 Apr 2015 Return: Wed 22 Apr 2015 Trip spans 5 days
Lufthansa
Lufthansa
LHR
02:30
ORD
14:55
12h 25m
1 stop
ORD
17:00
LHR
01:20
8h 20m
nonstop
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 24 Mar 2015 Return: Wed 8 Apr 2015 Trip spans 16 days
United
United
LHR
03:30
ORD
17:15
13h 45m
1 stop
ORD
13:10
LHR
00:25
11h 15m
1 stop
Depart: Thu 22 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 6 days
Iberia
Iberia
GLA
06:35
ORD
19:45
13h 10m
1 stop
ORD
16:25
GLA
07:00
14h 35m
1 stop
Depart: Fri 23 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 6 days
United
United
GLA
04:00
ORD
21:56
17h 56m
2 stops
ORD
05:17
GLA
20:30
15h 13m
2 stops
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: Wed 21 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 6 days
American Airlines
American Airlines
GLA
02:00
ORD
18:35
16h 35m
2 stops
ORD
05:15
GLA
22:10
16h 55m
2 stops
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: Wed 25 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 5 days
US Airways
US Airways
EDI
06:55
ORD
19:45
12h 50m
1 stop
ORD
03:40
EDI
22:10
18h 30m
1 stop
Depart: Sun 8 Mar 2015 Return: Sun 15 Mar 2015 Trip spans 8 days
US Airways
US Airways
LHR
14:50
ORD
16:30
25h 40m
1 stop
ORD
17:00
LHR
21:50
28h 50m
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
Change your search
Airports
Origin

Leeds
£454
London
only £408
only £455
only £511
only £394
Manchester
£447
Glasgow
£447
Edinburgh
£466
Birmingham
£458
Destination

Chicago
£394