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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 23 Oct 2015 Return: Sat 31 Oct 2015 Trip spans 9 days
£507
Select
Turkish Airlines
Turkish Airlines
ORD
18:15
LGW
00:25
30h 10m
1 stop
LGW
13:20
ORD
18:50
30h 30m
1 stop
Depart: Sat 23 May 2015 Return: Sun 24 May 2015 Trip spans 2 days
£594
Select
SAS
SAS
ORD
18:05
LHR
06:00
11h 55m
1 stop
LHR
17:05
ORD
14:20
21h 15m
1 stop
Depart: Sat 9 May 2015 Return: Tue 16 Jun 2015 Trip spans 39 days
£642
Select
American Airlines
American Airlines
ORD
11:20
LHR
00:05
12h 45m
1 stop
LHR
07:15
ORD
21:35
14h 20m
1 stop
Depart: Fri 8 May 2015 Return: Tue 2 Jun 2015 Trip spans 26 days
£642
Select
Aer Lingus
Aer Lingus
ORD
16:00
LHR
03:30
11h 30m
1 stop
LHR
02:40
ORD
15:50
13h 10m
1 stop
Depart: Fri 12 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 5 days
£678
Select
Aer Lingus
Aer Lingus
ORD
16:00
LGW
04:25
12h 25m
1 stop
LGW
06:40
ORD
15:50
33h 10m
1 stop
Depart: Sun 24 May 2015 Return: Tue 26 May 2015 Trip spans 3 days
£724
Select
United
United
ORD
12:00
LHR
00:10
12h 10m
1 stop
LHR
03:20
ORD
17:00
13h 40m
1 stop
Depart: Thu 20 Aug 2015 Return: Fri 28 Aug 2015 Trip spans 9 days
£738
Select
Aeromexico
Aeromexico
ORD
03:00
LHR
06:05
27h 05m
1 stop
LHR
18:35
ORD
03:30
32h 55m
2 stops
Depart: Sun 19 Apr 2015 Return: Tue 5 May 2015 Trip spans 17 days
£772
Select
Austrian Airlines
Austrian Airlines
ORD
12:00
LHR
22:25
34h 25m
1 stop
LHR
11:20
ORD
15:35
28h 15m
1 stop
Depart: Wed 22 Jul 2015 Return: Tue 11 Aug 2015 Trip spans 21 days
£846
Select
Air Canada
Air Canada
ORD
07:25
LHR
20:25
13h 00m
1 stop
LHR
04:30
ORD
19:20
14h 50m
1 stop
Depart: Tue 30 Jun 2015 Return: Sun 5 Jul 2015 Trip spans 6 days
£869
Select
British Airways
British Airways
ORD
12:40
LCY
08:10
19h 30m
1 stop
LCY
14:40
ORD
16:15
25h 35m
1 stop
Direct flights CHI - LON on British Airways
Flight No. Departure ORD Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
1541 08:45 22:45 31 Mar - 3 Jun
1543 16:40 06:35 31 Mar - 3 Jun
1663 16:55 06:55 1 Apr - 8 Apr
1663 18:00 08:05 14 Apr - 2 Jun
1663 18:10 08:05 31 Mar - 13 Apr
294 18:10 08:05 15 Apr - 12 May
294 18:10 08:05 16 Apr - 11 May
294 18:10 08:05 31 Mar - 14 Apr
1663 18:40 09:00 15 Apr - 3 Jun
296 20:35 10:20 31 Mar - 23 Oct
Airports
Origin

Chicago
£507
Destination

London
only £594
only £869
only £507