Find Deals on Flights from Chicago to London (CHI - LON)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago to London

(Round-trip)
Depart: Wed Feb 17 2016 Return: Fri Feb 26 2016 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
LHR
17h 45m
1 stop
LHR
ORD
29h 55m
1 stop
Depart: Sun Jun 5 2016 Return: Fri Jun 17 2016 Trip spans 13 days
Icelandair
Icelandair
ORD
LHR
10h 15m
1 stop
LHR
ORD
11h 05m
1 stop
Depart: Sun Feb 28 2016 Return: Mon Mar 7 2016 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ORD
LGW
29h 55m
1 stop
LGW
ORD
31h 10m
1 stop
Depart: Fri May 13 2016 Return: Sun May 15 2016 Trip spans 3 days
American Airlines
American Airlines
ORD
LHR
14h 00m
1 stop
LHR
ORD
9h 00m
nonstop
Depart: Mon Feb 22 2016 Return: Wed Feb 24 2016 Trip spans 3 days
Major Airline
Major Airline
ORD
LHR
13h 00m
1 stop
LHR
ORD
13h 00m
1 stop
Depart: Wed May 25 2016 Return: Tue Jun 14 2016 Trip spans 21 days
SAS
SAS
ORD
LHR
13h 55m
1 stop
LHR
ORD
17h 55m
1 stop
Depart: Wed Feb 24 2016 Return: Wed Mar 2 2016 Trip spans 8 days
Major Airline
Major Airline
MDW
LHR
12h 20m
1 stop
LHR
MDW
12h 25m
1 stop
Depart: Thu Mar 17 2016 Return: Mon Mar 28 2016 Trip spans 12 days
Iberia
Iberia
ORD
LHR
7h 55m
nonstop
LHR
ORD
8h 50m
nonstop
Depart: Mon Jun 13 2016 Return: Mon Jun 27 2016 Trip spans 15 days
Air Canada
Air Canada
ORD
LHR
14h 25m
1 stop
LHR
ORD
9h 35m
1 stop
Depart: Wed Mar 30 2016 Return: Sun Apr 3 2016 Trip spans 5 days
$1018
Select
Aer Lingus
Aer Lingus
ORD
LCY
12h 10m
1 stop
LCY
ORD
24h 35m
1 stop
Depart: Mon Jul 18 2016 Return: Mon Aug 1 2016 Trip spans 15 days
$1035
Select
Finnair
Finnair
ORD
LHR
7h 45m
nonstop
LHR
ORD
8h 45m
nonstop
Depart: Wed Jul 20 2016 Return: Wed Aug 10 2016 Trip spans 22 days
$1063
Select
WestJet
WestJet
ORD
LGW
18h 55m
3 stops
LGW
ORD
27h 34m
2 stops
Depart: Wed Aug 24 2016 Return: Fri Aug 26 2016 Trip spans 3 days
$1103
Select
United
United
ORD
LHR
12h 30m
1 stop
LHR
ORD
13h 35m
1 stop
Depart: Sun Jun 26 2016 Return: Tue Jul 5 2016 Trip spans 10 days
$1115
Select
Iberia
Iberia
ORD
LGW
12h 50m
1 stop
LGW
ORD
23h 10m
1 stop
Depart: Wed Mar 16 2016 Return: Tue Mar 29 2016 Trip spans 14 days
$1173
Select
Virgin Atlantic
Virgin Atlantic
MDW
LHR
11h 30m
1 stop
LHR
MDW
13h 25m
1 stop
Depart: Tue Mar 8 2016 Return: Wed Mar 16 2016 Trip spans 8 days
$1367
Select
Alitalia
Alitalia
ORD
LCY
20h 18m
2 stops
LCY
ORD
34h 05m
2 stops
Depart: Tue May 3 2016 Return: Sat May 14 2016 Trip spans 12 days
$1391
Select
KLM
KLM
MDW
LCY
13h 30m
2 stops
LCY
MDW
18h 40m
2 stops
Depart: Wed Apr 6 2016 Return: Tue Apr 12 2016 Trip spans 7 days
$1606
Select
Delta
Delta
MDW
LGW
20h 00m
2 stops
LGW
MDW
17h 00m
2 stops
Depart: Mon Jun 6 2016 Return: Thu Jun 16 2016 Trip spans 11 days
$1733
Select
Air Canada
Air Canada
ORD
LGW
10h 55m
1 stop
LGW
ORD
11h 40m
1 stop
Depart: Wed Jul 27 2016 Return: Mon Aug 8 2016 Trip spans 13 days
$1783
Select
Delta
Delta
MDW
LHR
10h 30m
1 stop
LHR
MDW
11h 40m
1 stop
Direct flights CHI to LON on American Airlines
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
90 8:50 am 10:40 pm Feb 11 - Mar 2
90 8:50 am 10:40 pm Feb 21 - Feb 28
90 8:50 am 10:40 pm Mar 3 - Mar 11
90 8:50 am 10:40 pm Mar 5 - Mar 12
90 9:45 am 10:40 pm Mar 19 - Mar 26
90 9:45 am 10:40 pm Mar 13 - Mar 13
90 9:45 am 10:40 pm Mar 14 - Mar 25
6194 5:10 pm 6:45 am Feb 11 - Mar 12
6194 6:10 pm 6:45 am Mar 13 - Mar 25
86 6:45 pm 8:35 am Feb 11 - Mar 1
86 7:00 pm 8:35 am Mar 3 - Mar 12
86 8:00 pm 8:35 am Mar 13 - Mar 25
6196 8:45 pm 10:20 am Feb 11 - Mar 12
46 9:45 pm 11:35 am Feb 18 - Feb 25
6196 9:45 pm 10:20 am Mar 13 - Mar 25
46 10:00 pm 11:35 am Mar 2 - Mar 11
46 10:00 pm 11:35 am Feb 24 - Feb 24
46 10:00 pm 11:35 am Mar 6 - Mar 12
46 10:00 pm 11:35 am Feb 19 - Mar 1
46 11:00 pm 11:35 am Mar 13 - Mar 25
46 11:00 pm 11:35 am Mar 19 - Mar 19
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We make every attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we don't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find on occasion that certain prices are no longer available.

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Airports
Origin

Chicago
only $742
only $875
Destination

London
only $742
only $1018
only $783