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Find Deals on Flights from Chicago to London (CHI - LON)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago to London

(Round-trip)
Depart: Fri Sep 4 2015 Return: Sun Sep 6 2015 Trip spans 3 days
United
United
ORD
1:31p
LHR
12:25a
10h 54m
1 stop
LHR
4:05a
ORD
5:00p
12h 55m
1 stop
Depart: Sat Nov 14 2015 Return: Sat Nov 21 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
LGW
10:25p
29h 35m
1 stop
LGW
12:20p
ORD
6:50p
30h 30m
1 stop
Depart: Fri Nov 20 2015 Return: Sun Nov 22 2015 Trip spans 3 days
SAS
SAS
ORD
2:45p
LHR
5:00a
14h 15m
2 stops
LHR
5:35a
ORD
6:25p
12h 50m
1 stop
Depart: Fri Oct 30 2015 Return: Sun Nov 1 2015 Trip spans 3 days
US Airways
US Airways
ORD
4:45a
LHR
9:50p
17h 05m
1 stop
LHR
1:30a
ORD
3:30p
14h 00m
1 stop
Depart: Sat Jan 2 2016 Return: Sun Jan 3 2016 Trip spans 2 days
Lufthansa
Lufthansa
ORD
1:05p
LHR
6:05a
17h 00m
1 stop
LHR
2:30p
ORD
2:10p
23h 40m
1 stop
Depart: Fri Dec 25 2015 Return: Sun Dec 27 2015 Trip spans 3 days
Iberia
Iberia
ORD
11:55a
LHR
5:20a
17h 25m
1 stop
LHR
6:55a
ORD
3:25p
8h 30m
nonstop
Depart: Tue Jan 19 2016 Return: Sun Jan 24 2016 Trip spans 6 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
LHR
11:25p
30h 35m
1 stop
LHR
2:55a
ORD
6:50p
39h 55m
1 stop
Depart: Fri Dec 11 2015 Return: Mon Jan 11 2016 Trip spans 32 days
LOT Polish Air
LOT Polish Air
ORD
4:25p
LHR
5:55a
13h 30m
1 stop
LHR
12:50p
ORD
8:40p
31h 50m
1 stop
Depart: Fri Jan 1 2016 Return: Sun Jan 3 2016 Trip spans 3 days
Delta
Delta
ORD
12:05p
LHR
2:45a
14h 40m
1 stop
LHR
3:45a
ORD
4:43p
12h 58m
1 stop
Depart: Sun Nov 29 2015 Return: Thu Dec 24 2015 Trip spans 26 days
SWISS
SWISS
ORD
2:15p
LHR
2:00a
11h 45m
1 stop
LHR
3:50a
ORD
5:00p
13h 10m
1 stop
Depart: Thu Dec 3 2015 Return: Thu Dec 31 2015 Trip spans 29 days
Air Canada
Air Canada
ORD
11:05a
LHR
10:35p
11h 30m
2 stops
LHR
8:00a
ORD
7:43p
11h 43m
1 stop
Depart: Thu Jan 7 2016 Return: Fri Jan 15 2016 Trip spans 9 days
Finnair
Finnair
ORD
5:00p
LHR
12:35a
7h 35m
nonstop
LHR
7:35a
ORD
4:05p
8h 30m
nonstop
Depart: Sun Aug 16 2015 Return: Tue Sep 1 2015 Trip spans 17 days
$1081
Select
Aer Lingus
Aer Lingus
ORD
4:00p
LGW
2:10a
10h 10m
1 stop
LGW
12:50p
ORD
3:50p
27h 00m
1 stop
Depart: Fri Jul 10 2015 Return: Sat Sep 5 2015 Trip spans 58 days
$1136
Select
Aer Lingus
Aer Lingus
ORD
4:00p
LHR
9:15a
17h 15m
1 stop
LHR
4:50a
ORD
3:50p
11h 00m
1 stop
Direct flights CHI to LON on Delta
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4389 5:55 pm 7:55 am Jun 27 - Sep 2
Airports
Origin

Chicago
$763
Destination

London
only $763
only $785