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Find flight deals from United Kingdom to Chicago O'Hare

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

Book cheap flights to Chicago O'Hare

(Round-trip)
Depart: Wed, 19 Nov, 2014 Return: Wed, 3 Dec, 2014 Trip spans 15 days
Aer Lingus
LHR
05:00
ORD
16:30
11h 30m
1 stop
ORD
14:15
LHR
00:35
10h 20m
1 stop
Depart: Wed, 19 Nov, 2014 Return: Wed, 3 Dec, 2014 Trip spans 15 days
Aer Lingus
LGW
04:15
ORD
16:30
12h 15m
1 stop
ORD
14:15
LGW
01:35
11h 20m
1 stop
Depart: Wed, 7 May, 2014 Return: Sun, 25 May, 2014 Trip spans 19 days
Aer Lingus
BHX
07:25
ORD
20:05
12h 40m
1 stop
ORD
14:15
BHX
22:35
32h 20m
1 stop
Depart: Sat, 22 Nov, 2014 Return: Sat, 29 Nov, 2014 Trip spans 8 days
United
MAN
07:00
ORD
21:15
14h 15m
1 stop
ORD
08:10
MAN
19:15
11h 05m
1 stop
Depart: Mon, 17 Nov, 2014 Return: Sun, 30 Nov, 2014 Trip spans 14 days
Lufthansa
ABZ
00:30
ORD
13:55
13h 25m
1 stop
ORD
11:10
ABZ
03:50
16h 40m
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
04:55
LHR
12:45
7h 50m
direct
Depart: Wed, 22 Oct, 2014 Return: Wed, 29 Oct, 2014 Trip spans 8 days
Finnair
LHR
07:50
ORD
16:15
8h 25m
direct
ORD
17:35
LHR
01:10
7h 35m
direct
Depart: Thu, 8 May, 2014 Return: Mon, 12 May, 2014 Trip spans 5 days
Virgin Atlantic
LHR
07:00
ORD
15:35
8h 35m
direct
ORD
14:45
LHR
22:45
8h 00m
direct
Depart: Mon, 5 May, 2014 Return: Wed, 14 May, 2014 Trip spans 10 days
Aer Lingus
MAN
04:00
ORD
15:50
11h 50m
1 stop
ORD
16:00
MAN
05:05
13h 05m
1 stop
Depart: Fri, 24 Oct, 2014 Return: Sun, 2 Nov, 2014 Trip spans 10 days
Iberia
LHR
06:15
ORD
14:55
8h 40m
1 stop
ORD
15:15
LHR
20:50
29h 35m
1 stop
Depart: Mon, 27 Oct, 2014 Return: Tue, 11 Nov, 2014 Trip spans 16 days
Finnair
LHR
05:15
ORD
13:50
8h 35m
direct
ORD
16:35
LHR
00:35
8h 00m
direct
Depart: Wed, 19 Nov, 2014 Return: Wed, 3 Dec, 2014 Trip spans 15 days
Finnair
LHR
11:05
ORD
19:30
8h 25m
direct
ORD
15:35
LHR
23:10
7h 35m
direct
Depart: Thu, 8 May, 2014 Return: Thu, 22 May, 2014 Trip spans 15 days
Aer Lingus
BHX
11:15
ORD
20:05
32h 50m
1 stop
ORD
14:15
BHX
10:45
20h 30m
1 stop
Depart: Thu, 1 May, 2014 Return: Thu, 8 May, 2014 Trip spans 8 days
Virgin Atlantic
LHR
07:00
ORD
15:35
8h 35m
direct
ORD
14:45
LHR
22:45
8h 00m
direct
Depart: Wed, 30 Apr, 2014 Return: Mon, 9 Jun, 2014 Trip spans 41 days
Virgin Atlantic
LHR
06:30
ORD
20:02
13h 32m
direct
ORD
14:45
LHR
22:45
8h 00m
direct
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: Wed, 7 May, 2014 Return: Mon, 12 May, 2014 Trip spans 6 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

Aberdeen
£497
Birmingham
£469
Edinburgh
£503
London
only £468
only £467
Manchester
£471
Destination

Chicago
£467