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

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

Book cheap flights from Chicago to London

(Round-trip)
Depart: Fri, 9 May, 2014 Return: Sun, 11 May, 2014 Trip spans 3 days
United
ORD
05:05
LHR
21:30
16h 25m
1 stop
LHR
02:50
ORD
15:00
12h 10m
1 stop
Depart: Sat, 10 May, 2014 Return: Sat, 17 May, 2014 Trip spans 8 days
Finnair
ORD
04:55
LHR
12:45
7h 50m
direct
LHR
13:15
ORD
22:15
9h 00m
direct
Depart: Mon, 8 Sep, 2014 Return: Thu, 25 Sep, 2014 Trip spans 18 days
Aer Lingus
ORD
11:50
LGW
00:15
12h 25m
1 stop
LGW
03:10
ORD
15:50
12h 40m
1 stop
Depart: Fri, 9 May, 2014 Return: Sun, 11 May, 2014 Trip spans 3 days
British Airways
ORD
04:55
LHR
12:45
7h 50m
direct
LHR
03:45
ORD
12:10
8h 25m
direct
Depart: Tue, 13 May, 2014 Return: Sat, 17 May, 2014 Trip spans 5 days
Brussels Airlines
ORD
14:00
LHR
11:35
21h 35m
1 stop
LHR
06:05
ORD
15:00
32h 55m
1 stop
Depart: Wed, 6 Aug, 2014 Return: Thu, 28 Aug, 2014 Trip spans 23 days
Aer Lingus
ORD
11:50
LHR
01:10
13h 20m
1 stop
LHR
04:50
ORD
15:50
11h 00m
1 stop
Depart: Sun, 4 May, 2014 Return: Wed, 14 May, 2014 Trip spans 11 days
Air Canada
ORD
09:20
LHR
21:30
12h 10m
1 stop
LHR
04:30
ORD
17:47
13h 17m
1 stop
Depart: Mon, 8 Sep, 2014 Return: Thu, 25 Sep, 2014 Trip spans 18 days
Lufthansa
ORD
11:55
LHR
19:55
8h 00m
direct
LHR
03:50
ORD
12:40
8h 50m
direct
Depart: Fri, 16 May, 2014 Return: Mon, 19 May, 2014 Trip spans 4 days
Iberia
ORD
04:55
LHR
12:45
7h 50m
direct
LHR
13:15
ORD
22:15
9h 00m
direct
Depart: Fri, 16 May, 2014 Return: Sun, 25 May, 2014 Trip spans 10 days
US Airways
ORD
04:55
LHR
12:45
7h 50m
direct
LHR
13:15
ORD
22:15
9h 00m
direct
Depart: Mon, 29 Sep, 2014 Return: Wed, 15 Oct, 2014 Trip spans 17 days
Air France
MDW
14:30
LHR
01:05
10h 35m
1 stop
LHR
05:35
MDW
18:10
12h 35m
1 stop
Change your search
Direct flights CHI - LON on British Airways
Flight No. Departure ORD Arrival LHR Sun Mon Tue Wed Thu Fri Sat Valid between
1541 08:50 22:45 19 Apr - 7 May
1541 08:55 22:45 8 May - 10 Jun
1543 16:55 06:50 19 Apr - 7 May
1543 17:00 06:50 8 May - 10 Jun
294 18:10 07:50 7 May - 25 May
294 18:10 07:50 29 May - 5 Jun
294 18:10 07:50 1 May - 5 May
294 18:10 07:50 30 Apr - 6 May
294 18:10 07:50 26 May - 7 Jun
294 18:10 07:50 23 May - 30 May
294 18:10 07:50 19 May - 22 May
294 18:10 07:50 9 May - 16 May
294 18:10 07:50 8 May - 12 May
1545 18:50 09:00 19 Apr - 7 May
1545 19:10 09:00 8 May - 10 Jun
296 20:20 10:00 19 Apr - 6 May
296 20:20 10:00 7 May - 24 Oct
1547 21:30 11:25 19 Apr - 7 May
1547 21:35 11:25 8 May - 10 Jun
Airports
Origin

Chicago
only £546
only £727
Destination

London
only £546
only £546
only £556
only £608
only £572