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Find Deals on Flights from Chicago O'Hare International to London (ORD - LON)

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

Book cheap flights from Chicago O'Hare International to London

(Round-trip)
Depart: Sat Nov 7 2015 Return: Mon Nov 9 2015 Trip spans 3 days
United
United
ORD
8:45a
LHR
10:35p
13h 50m
1 stop
LHR
3:45a
ORD
4:05p
12h 20m
1 stop
Depart: Fri Nov 6 2015 Return: Mon Nov 9 2015 Trip spans 4 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
LGW
11:55p
31h 05m
1 stop
LGW
12:20p
ORD
6:50p
30h 30m
1 stop
Depart: Sat Dec 5 2015 Return: Mon Dec 7 2015 Trip spans 3 days
Iberia
Iberia
ORD
5:15p
LHR
12:35a
7h 20m
nonstop
LHR
2:25a
ORD
3:30p
13h 05m
1 stop
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
US Airways
US Airways
ORD
7:50a
LHR
9:40p
13h 50m
1 stop
LHR
2:20a
ORD
4:15p
13h 55m
1 stop
Depart: Sat Nov 28 2015 Return: Sat Dec 5 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
LHR
11:15a
18h 25m
1 stop
LHR
1:00p
ORD
6:50p
29h 50m
1 stop
Depart: Fri Dec 18 2015 Return: Sun Dec 20 2015 Trip spans 3 days
Lufthansa
Lufthansa
ORD
4:35p
LHR
4:40a
12h 05m
1 stop
LHR
5:05a
ORD
2:20p
9h 15m
nonstop
Depart: Fri Dec 25 2015 Return: Sun Dec 27 2015 Trip spans 3 days
British Airways
British Airways
ORD
11:55a
LHR
11:40p
11h 45m
1 stop
LHR
3:40a
ORD
12:45p
9h 05m
nonstop
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: Thu Aug 20 2015 Return: Sat Aug 22 2015 Trip spans 3 days
SAS
SAS
ORD
6:05p
LHR
9:30a
15h 25m
1 stop
LHR
2:00p
ORD
2:20p
24h 20m
1 stop
Depart: Thu Jan 7 2016 Return: Fri Jan 22 2016 Trip spans 16 days
Finnair
Finnair
ORD
3:50a
LHR
11:40a
7h 50m
nonstop
LHR
12:05p
ORD
9:15p
9h 10m
nonstop
Depart: Sun Jan 3 2016 Return: Sun Jan 10 2016 Trip spans 8 days
Aer Lingus
Aer Lingus
ORD
11:00a
LGW
9:15p
10h 15m
1 stop
LGW
5:40a
ORD
7:10p
13h 30m
1 stop
Depart: Wed Aug 26 2015 Return: Sat Aug 29 2015 Trip spans 4 days
Major Airline
Major Airline
ORD
6:00p
LHR
10:00p
28h 00m
1 stop
LHR
3:00a
ORD
2:00p
35h 00m
1 stop
Depart: Sun Jan 24 2016 Return: Tue Feb 2 2016 Trip spans 10 days
Iberia
Iberia
ORD
11:55a
LGW
11:10p
11h 15m
1 stop
LGW
3:15p
ORD
3:30p
24h 15m
1 stop
Depart: Tue Aug 4 2015 Return: Tue Sep 1 2015 Trip spans 29 days
$1134
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Aer Lingus
Aer Lingus
ORD
2:15p
LHR
8:55a
18h 40m
1 stop
LHR
4:50a
ORD
3:50p
11h 00m
1 stop
Direct flights ORD 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
$788
Destination

London
only $788
only $790