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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: Sat, 18 Oct, 2014 Return: Tue, 21 Oct, 2014 Trip spans 4 days
Turkish Airlines
Turkish Airlines
ORD
18:15
LGW
23:05
28h 50m
1 stop
LGW
13:10
ORD
19:25
30h 15m
1 stop
Depart: Fri, 3 Oct, 2014 Return: Mon, 6 Oct, 2014 Trip spans 4 days
Turkish Airlines
Turkish Airlines
ORD
18:15
LHR
12:30
18h 15m
1 stop
LHR
12:30
ORD
19:25
30h 55m
1 stop
Depart: Fri, 17 Oct, 2014 Return: Sun, 26 Oct, 2014 Trip spans 10 days
Aer Lingus
Aer Lingus
ORD
11:50
LGW
22:40
10h 50m
1 stop
LGW
15:00
ORD
16:30
25h 30m
1 stop
Depart: Mon, 8 Sep, 2014 Return: Mon, 29 Sep, 2014 Trip spans 22 days
United
United
ORD
06:18
LHR
20:55
14h 37m
2 stops
LHR
03:30
ORD
18:22
14h 52m
2 stops
Depart: Wed, 10 Sep, 2014 Return: Wed, 17 Sep, 2014 Trip spans 8 days
LOT Polish Air
LOT Polish Air
ORD
16:50
LHR
06:50
14h 00m
1 stop
LHR
02:35
ORD
21:05
18h 30m
1 stop
Depart: Sun, 14 Sep, 2014 Return: Sat, 20 Sep, 2014 Trip spans 7 days
Brussels Airlines
Brussels Airlines
ORD
14:05
LHR
07:05
17h 00m
1 stop
LHR
06:05
ORD
14:55
32h 50m
1 stop
Depart: Sun, 21 Sep, 2014 Return: Sat, 27 Sep, 2014 Trip spans 7 days
Brussels Airlines
Brussels Airlines
ORD
14:05
LHR
11:35
21h 30m
1 stop
LHR
06:05
ORD
14:55
32h 50m
1 stop
Depart: Tue, 14 Oct, 2014 Return: Wed, 22 Oct, 2014 Trip spans 9 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
05:05
31h 50m
1 stop
LHR
14:20
ORD
22:20
32h 00m
1 stop
Depart: Tue, 9 Sep, 2014 Return: Wed, 17 Sep, 2014 Trip spans 9 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
10:30
37h 15m
1 stop
LHR
14:20
ORD
22:20
32h 00m
1 stop
Depart: Thu, 2 Oct, 2014 Return: Mon, 6 Oct, 2014 Trip spans 5 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
10:30
37h 15m
1 stop
LHR
13:00
ORD
22:20
33h 20m
1 stop
Depart: Thu, 16 Oct, 2014 Return: Sun, 26 Oct, 2014 Trip spans 11 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
08:10
34h 55m
1 stop
LHR
18:00
ORD
14:20
44h 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 28 Aug - 25 Oct
1543 17:10 06:50 28 Aug - 24 Oct
294 18:10 07:50 29 Aug - 14 Oct
294 18:10 07:50 10 Sep - 16 Oct
294 18:10 07:50 8 Sep - 8 Sep
1545 19:00 09:00 28 Aug - 24 Oct
296 20:15 09:55 28 Aug - 24 Oct
1547 21:40 11:25 28 Aug - 12 Sep
1547 22:40 12:25 13 Sep - 24 Oct
Airports
Origin

Chicago
£704
Destination

London
only £542
only £357
only £704