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Find Flight Deals 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: Tue Oct 27 2015 Return: Tue Nov 3 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
6:50p
LGW
12:25a
29h 35m
1 stop
LGW
12:20p
ORD
6:50p
30h 30m
1 stop
Depart: Thu Aug 27 2015 Return: Sat Aug 29 2015 Trip spans 3 days
SAS
SAS
ORD
6:05p
LHR
11:15a
17h 10m
1 stop
LHR
9:50a
ORD
2:20p
28h 30m
1 stop
Depart: Thu Jun 11 2015 Return: Sun Jun 14 2015 Trip spans 4 days
Finnair
Finnair
ORD
12:55p
LHR
5:10a
40h 15m
2 stops
LHR
9:35a
ORD
8:40p
35h 05m
1 stop
Depart: Mon Apr 27 2015 Return: Fri May 8 2015 Trip spans 12 days
Major Airline
Major Airline
ORD
11:50a
LCY
12:00a
12h 10m
1 stop
LCY
2:50a
ORD
3:50p
13h 00m
1 stop
Depart: Thu Jun 4 2015 Return: Sun Jun 7 2015 Trip spans 4 days
Major Airline
Major Airline
ORD
6:05p
LHR
6:25a
36h 20m
2 stops
LHR
9:50a
ORD
2:20p
28h 30m
1 stop
Depart: Sun Jun 14 2015 Return: Fri Jun 26 2015 Trip spans 13 days
US Airways
US Airways
ORD
4:50a
LHR
12:45p
7h 55m
nonstop
LHR
2:50a
ORD
1:55p
11h 05m
1 stop
Depart: Tue Aug 25 2015 Return: Tue Sep 8 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
LHR
12:30p
18h 15m
1 stop
LHR
6:30p
ORD
7:25p
24h 55m
1 stop
Depart: Tue May 5 2015 Return: Thu May 7 2015 Trip spans 3 days
Aeroflot
Aeroflot
ORD
2:00a
LHR
11:25a
33h 25m
2 stops
LHR
9:25a
ORD
8:06p
58h 41m
2 stops
Depart: Mon May 11 2015 Return: Mon Jun 1 2015 Trip spans 22 days
Aer Lingus
Aer Lingus
ORD
4:00p
LHR
5:00a
13h 00m
1 stop
LHR
5:50a
ORD
8:05p
14h 15m
1 stop
Depart: Sat Aug 29 2015 Return: Fri Sep 4 2015 Trip spans 7 days
American Airlines
American Airlines
ORD
6:20a
LHR
11:15p
16h 55m
1 stop
LHR
3:45p
ORD
8:39a
16h 54m
1 stop
Depart: Sun May 10 2015 Return: Thu May 21 2015 Trip spans 12 days
Aer Lingus
Aer Lingus
ORD
4:00p
LGW
4:25a
12h 25m
1 stop
LGW
6:40a
ORD
8:05p
13h 25m
1 stop
Depart: Sat Jun 27 2015 Return: Mon Jun 29 2015 Trip spans 3 days
$1067
Select
British Airways
British Airways
ORD
4:35p
LHR
12:20a
7h 45m
nonstop
LHR
2:55a
ORD
1:55p
11h 00m
1 stop
Depart: Fri Jul 10 2015 Return: Sat Jul 11 2015 Trip spans 2 days
$1152
Select
Iberia
Iberia
ORD
12:40p
LHR
5:00a
16h 20m
1 stop
LHR
4:20p
ORD
1:50p
21h 30m
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 May 8 - Sep 2
4389 5:55 pm 7:55 am Apr 30 - May 7
Airports
Origin

Chicago
$818
Destination

London
only $871
only $911
only $818