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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: Wed, 22 Oct, 2014 Trip spans 5 days
Turkish Airlines
Turkish Airlines
ORD
18:15
LGW
01:35
31h 20m
1 stop
LGW
08:35
ORD
19:25
34h 50m
1 stop
Depart: Fri, 24 Oct, 2014 Return: Sun, 26 Oct, 2014 Trip spans 3 days
Aer Lingus
Aer Lingus
ORD
11:50
LGW
22:40
10h 50m
1 stop
LGW
02:50
ORD
16:30
13h 40m
1 stop
Depart: Thu, 11 Sep, 2014 Return: Sun, 21 Sep, 2014 Trip spans 11 days
Aer Lingus
Aer Lingus
ORD
14:05
LHR
00:15
10h 10m
1 stop
LHR
04:50
ORD
15:50
11h 00m
1 stop
Depart: Sat, 11 Oct, 2014 Return: Mon, 20 Oct, 2014 Trip spans 10 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
10:30
37h 15m
1 stop
LHR
08:30
ORD
15:50
31h 20m
1 stop
Depart: Thu, 23 Oct, 2014 Return: Sun, 26 Oct, 2014 Trip spans 4 days
Cathay Pacific
Cathay Pacific
ORD
21:15
LHR
10:30
37h 15m
1 stop
LHR
07:25
ORD
14:20
30h 55m
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 26 Aug - 25 Oct
1543 17:10 06:50 26 Aug - 24 Oct
294 18:10 07:50 5 Sep - 14 Oct
294 18:10 07:50 10 Sep - 16 Oct
1545 19:00 09:00 26 Aug - 24 Oct
296 20:15 09:55 26 Aug - 24 Oct
1547 21:40 11:25 26 Aug - 12 Sep
1547 22:40 12:25 13 Sep - 24 Oct
Airports
Origin

Chicago
£644
Destination

London
only £518
only £538
only £523
only £644