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Find flight deals from United Kingdom to Chicago

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Chicago

(Round-trip)
Depart: Sat, 17 May, 2014 Return: Sun, 18 May, 2014 Trip spans 2 days
KLM Royal Dutch
LHR
09:05
ORD
21:56
12h 51m
1 stop
ORD
07:54
LHR
21:20
13h 26m
1 stop
Depart: Wed, 26 Nov, 2014 Return: Sun, 30 Nov, 2014 Trip spans 5 days
Aer Lingus
LGW
04:15
ORD
16:30
12h 15m
1 stop
ORD
14:15
LGW
01:35
11h 20m
1 stop
Depart: Mon, 27 Oct, 2014 Return: Mon, 10 Nov, 2014 Trip spans 15 days
Lufthansa
MAN
02:10
ORD
14:55
12h 45m
1 stop
ORD
16:20
MAN
05:40
13h 20m
1 stop
Depart: Wed, 26 Nov, 2014 Return: Sun, 30 Nov, 2014 Trip spans 5 days
Aer Lingus
LHR
05:00
ORD
16:30
11h 30m
1 stop
ORD
14:15
LHR
00:35
10h 20m
1 stop
Depart: Sat, 31 May, 2014 Return: Sun, 1 Jun, 2014 Trip spans 2 days
American Airlines
LHR
06:30
ORD
21:10
14h 40m
direct
ORD
15:10
LHR
23:00
7h 50m
direct
Depart: Wed, 22 Oct, 2014 Return: Wed, 5 Nov, 2014 Trip spans 15 days
Finnair
LHR
07:50
ORD
16:15
8h 25m
direct
ORD
15:35
LHR
23:10
7h 35m
direct
Depart: Mon, 1 Dec, 2014 Return: Wed, 10 Dec, 2014 Trip spans 10 days
British Airways
LHR
07:05
ORD
15:40
8h 35m
direct
ORD
15:35
LHR
23:10
7h 35m
direct
Depart: Thu, 1 May, 2014 Return: Thu, 8 May, 2014 Trip spans 8 days
Virgin Atlantic
LHR
07:00
ORD
15:35
8h 35m
1 stop
ORD
07:50
LHR
21:20
13h 30m
1 stop
Depart: Sat, 25 Oct, 2014 Return: Tue, 28 Oct, 2014 Trip spans 4 days
Lufthansa
LHR
04:05
ORD
17:00
12h 55m
direct
ORD
18:00
LHR
02:05
8h 05m
direct
Depart: Sun, 11 May, 2014 Return: Thu, 22 May, 2014 Trip spans 12 days
Aer Lingus
MAN
04:00
ORD
20:05
16h 05m
1 stop
ORD
14:15
MAN
11:00
20h 45m
1 stop
Depart: Wed, 22 Oct, 2014 Return: Wed, 19 Nov, 2014 Trip spans 29 days
British Airways
MAN
06:40
ORD
15:25
8h 45m
direct
ORD
13:00
MAN
20:45
7h 45m
direct
Depart: Mon, 1 Dec, 2014 Return: Wed, 10 Dec, 2014 Trip spans 10 days
Aer Lingus
LHR
03:50
ORD
16:30
12h 40m
1 stop
ORD
14:15
LHR
00:35
10h 20m
1 stop
Depart: Mon, 1 Dec, 2014 Return: Wed, 10 Dec, 2014 Trip spans 10 days
Aer Lingus
LGW
04:15
ORD
16:30
12h 15m
1 stop
ORD
14:15
LGW
01:35
11h 20m
1 stop
Depart: Mon, 5 May, 2014 Return: Mon, 19 May, 2014 Trip spans 15 days
Virgin Atlantic
LHR
06:30
ORD
20:02
13h 32m
direct
ORD
14:45
LHR
22:45
8h 00m
direct
Depart: Thu, 8 May, 2014 Return: Tue, 13 May, 2014 Trip spans 6 days
Virgin Atlantic
LHR
10:00
ORD
10:43
24h 43m
direct
ORD
14:45
LHR
22:45
8h 00m
direct
Depart: Mon, 19 May, 2014 Return: Wed, 28 May, 2014 Trip spans 10 days
Virgin Atlantic
LHR
06:30
ORD
20:02
13h 32m
direct
ORD
14:45
LHR
22:45
8h 00m
direct
Change your search
Airports
Origin

London
only £466
only £459
Manchester
£450
Destination

Chicago
£450