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Find flight deals from Chicago to London (ORD - LON)

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

Book cheap flights from Chicago to London

(Round-trip)
Depart: Tue, 9 Sep, 2014 Return: Sat, 20 Sep, 2014 Trip spans 12 days
US Airways
US Airways
ORD
13:10
LHR
20:50
7h 40m
direct
LHR
03:45
ORD
12:35
8h 50m
direct
Depart: Wed, 3 Sep, 2014 Return: Fri, 5 Sep, 2014 Trip spans 3 days
British Airways
British Airways
ORD
17:40
LHR
01:25
7h 45m
direct
LHR
06:15
ORD
14:55
8h 40m
direct
Depart: Wed, 6 Aug, 2014 Return: Sun, 10 Aug, 2014 Trip spans 5 days
Delta
Delta
ORD
11:00
LHR
22:45
11h 45m
direct
LHR
07:00
ORD
15:35
8h 35m
direct
Depart: Wed, 20 Aug, 2014 Return: Tue, 26 Aug, 2014 Trip spans 7 days
Brussels Airlines
Brussels Airlines
ORD
14:00
LHR
07:05
17h 05m
1 stop
LHR
06:05
ORD
14:50
32h 45m
1 stop
Depart: Tue, 23 Sep, 2014 Return: Sat, 4 Oct, 2014 Trip spans 12 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
20:20
47h 05m
1 stop
LHR
16:15
ORD
15:50
47h 35m
1 stop
Depart: Tue, 2 Sep, 2014 Return: Fri, 5 Sep, 2014 Trip spans 4 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
08:10
34h 55m
1 stop
LHR
16:15
ORD
22:20
30h 05m
1 stop
Depart: Sat, 13 Sep, 2014 Return: Thu, 18 Sep, 2014 Trip spans 6 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
20:20
47h 05m
1 stop
LHR
08:30
ORD
15:50
31h 20m
1 stop
Change your search
Direct flights ORD - LON on British Airways
Flight No. Departure ORD Arrival LHR Sun Mon Tue Wed Thu Fri Sat Valid between
1541 09:05 22:45 29 Jul - 25 Oct
1543 17:10 06:50 19 Aug - 24 Oct
1543 17:15 06:50 29 Jul - 18 Aug
294 18:10 07:50 29 Jul - 31 Aug
294 18:10 07:50 31 Jul - 28 Aug
294 18:10 07:50 1 Sep - 4 Sep
294 18:10 07:50 2 Sep - 14 Oct
1545 19:00 09:00 19 Aug - 24 Oct
1545 19:15 09:00 18 Aug - 18 Aug
1545 19:15 09:00 29 Jul - 17 Aug
296 20:15 09:55 29 Jul - 24 Oct
1547 21:40 11:25 29 Jul - 12 Sep
Airports
Origin

Chicago
£723
Destination

London
only £670
only £723
only £657