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 Mar 30 2016 Return: Mon Apr 11 2016 Trip spans 13 days
Turkish Airlines
Turkish Airlines
ORD
LGW
36h 35m
1 stop
LGW
ORD
35h 25m
1 stop
Depart: Fri May 27 2016 Return: Sun May 29 2016 Trip spans 3 days
SAS
SAS
ORD
LHR
15h 25m
1 stop
LHR
ORD
14h 15m
2 stops
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: Wed Aug 31 2016 Return: Sun Sep 11 2016 Trip spans 12 days
Major Airline
Major Airline
ORD
LGW
23h 25m
1 stop
LGW
ORD
13h 40m
1 stop
Depart: Tue Mar 15 2016 Return: Mon Mar 21 2016 Trip spans 7 days
Iberia
Iberia
ORD
LHR
7h 35m
nonstop
LHR
ORD
9h 10m
nonstop
Depart: Wed Jul 20 2016 Return: Fri Aug 26 2016 Trip spans 38 days
WestJet
WestJet
ORD
LGW
18h 55m
3 stops
LGW
ORD
15h 59m
3 stops
Depart: Mon Feb 29 2016 Return: Wed Mar 2 2016 Trip spans 3 days
United
United
ORD
LHR
12h 05m
1 stop
LHR
ORD
13h 45m
1 stop
Depart: Mon Feb 15 2016 Return: Tue Mar 1 2016 Trip spans 16 days
$1022
Select
Finnair
Finnair
ORD
LHR
7h 35m
nonstop
LHR
ORD
8h 55m
nonstop
Depart: Fri Aug 12 2016 Return: Tue Aug 30 2016 Trip spans 19 days
$1034
Select
Major Airline
Major Airline
MDW
LHR
11h 12m
1 stop
LHR
MDW
11h 40m
1 stop
Depart: Sun Jul 31 2016 Return: Sun Aug 14 2016 Trip spans 15 days
$1054
Select
Icelandair
Icelandair
ORD
LHR
10h 15m
1 stop
LHR
ORD
27h 05m
1 stop
Depart: Mon Aug 1 2016 Return: Wed Aug 10 2016 Trip spans 10 days
$1072
Select
Icelandair
Icelandair
ORD
LGW
10h 15m
1 stop
LGW
ORD
10h 50m
1 stop
Depart: Tue Mar 8 2016 Return: Mon Mar 28 2016 Trip spans 20 days
$1149
Select
Iberia
Iberia
ORD
LGW
11h 20m
1 stop
LGW
ORD
23h 10m
1 stop
Depart: Thu Mar 31 2016 Return: Fri Apr 8 2016 Trip spans 9 days
$1153
Select
Aer Lingus
Aer Lingus
ORD
LCY
12h 10m
1 stop
LCY
ORD
13h 05m
1 stop
Depart: Sat Feb 13 2016 Return: Sun Feb 21 2016 Trip spans 9 days
$1162
Select
British Airways
British Airways
ORD
LCY
31h 55m
2 stops
LCY
ORD
25h 45m
1 stop
Depart: Sun Feb 28 2016 Return: Mon Mar 14 2016 Trip spans 15 days
$1175
Select
Delta
Delta
MDW
LHR
14h 42m
1 stop
LHR
MDW
13h 15m
1 stop
Depart: Thu Mar 10 2016 Return: Mon Mar 21 2016 Trip spans 11 days
$1175
Select
Virgin Atlantic
Virgin Atlantic
MDW
LHR
11h 58m
1 stop
LHR
MDW
13h 15m
1 stop
Depart: Wed Feb 24 2016 Return: Tue Mar 8 2016 Trip spans 14 days
$1184
Select
Delta
Delta
MDW
LGW
21h 25m
2 stops
LGW
MDW
26h 34m
2 stops
Depart: Mon May 16 2016 Return: Fri Jun 3 2016 Trip spans 19 days
$1328
Select
KLM
KLM
MDW
LHR
13h 43m
1 stop
LHR
MDW
12h 05m
1 stop
Depart: Sun Mar 6 2016 Return: Wed Mar 16 2016 Trip spans 10 days
$1330
Select
Alitalia
Alitalia
ORD
LCY
22h 25m
2 stops
LCY
ORD
34h 05m
2 stops
Depart: Sat Apr 16 2016 Return: Sat Apr 23 2016 Trip spans 8 days
$1498
Select
KLM
KLM
MDW
LCY
18h 31m
2 stops
LCY
MDW
19h 21m
2 stops
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 14 - Feb 28
90 8:50 am 10:40 pm Mar 5 - Mar 12
90 8:50 am 10:40 pm Mar 3 - Mar 11
90 8:50 am 10:40 pm Feb 9 - Mar 2
90 9:45 am 10:40 pm Mar 14 - Mar 25
90 9:45 am 10:40 pm Mar 19 - Mar 26
90 9:45 am 10:40 pm Mar 13 - Mar 13
6194 5:10 pm 6:45 am Jan 30 - 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 Jan 30 - 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 Feb 21 - Mar 1
46 10:00 pm 11:35 am Mar 2 - Mar 12
46 10:00 pm 11:35 am Feb 24 - Feb 24
46 10:00 pm 11:35 am Feb 13 - Feb 20
46 11:00 pm 11:35 am Mar 13 - Mar 25
* 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.

We aggregate tons of data for you
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 $636
only $1034
Destination

London
only $726
only $1153
only $636