Find Cheap Flights from United Kingdom to Chicago O'Hare International

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.
Compare vs. KAYAK all | none
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from United Kingdom to Chicago O'Hare International

(Round-trip)
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
WOW air
WOW air
LGW
ORD
11h 00m
1 stop
ORD
LGW
10h 45m
1 stop
Depart: Fri Nov 17 2017 Return: Fri Nov 24 2017 Trip spans 8 days
Icelandair
Icelandair
GLA
ORD
10h 20m
1 stop
ORD
GLA
9h 15m
1 stop
Depart: Wed Nov 15 2017 Return: Sun Nov 19 2017 Trip spans 5 days
Aer Lingus
Aer Lingus
EDI
ORD
11h 50m
1 stop
ORD
EDI
9h 55m
1 stop
Depart: Sun Oct 29 2017 Return: Thu Nov 9 2017 Trip spans 12 days
Finnair
Finnair
MAN
ORD
8h 55m
nonstop
ORD
MAN
7h 30m
nonstop
Depart: Wed Dec 27 2017 Return: Wed Jan 3 2018 Trip spans 8 days
British Airways
British Airways
MAN
ORD
14h 23m
1 stop
ORD
MAN
14h 20m
1 stop
Depart: Mon Dec 18 2017 Return: Mon Jan 1 2018 Trip spans 15 days
Air France
Air France
SOU
ORD
14h 45m
1 stop
ORD
SOU
10h 45m
1 stop
Depart: Thu Nov 2 2017 Return: Tue Nov 14 2017 Trip spans 13 days
SWISS
SWISS
LCY
ORD
27h 40m
1 stop
ORD
LCY
15h 25m
1 stop
Depart: Thu Dec 14 2017 Return: Fri Dec 29 2017 Trip spans 16 days
KLM
KLM
LBA
ORD
18h 01m
2 stops
ORD
LBA
27h 40m
2 stops
Depart: Thu Nov 23 2017 Return: Mon Nov 27 2017 Trip spans 5 days
Lufthansa
Lufthansa
BHX
ORD
14h 30m
1 stop
ORD
BHX
13h 30m
1 stop
Depart: Tue Dec 26 2017 Return: Sun Dec 31 2017 Trip spans 6 days
Austrian Airlines
Austrian Airlines
LHR
ORD
9h 15m
nonstop
ORD
LHR
7h 45m
nonstop
Depart: Tue Dec 12 2017 Return: Tue Dec 26 2017 Trip spans 15 days
Iberia
Iberia
MAN
ORD
9h 00m
nonstop
ORD
MAN
7h 30m
nonstop
Depart: Thu Sep 28 2017 Return: Sat Sep 30 2017 Trip spans 3 days
WOW air
WOW air
LGW
ORD
11h 00m
1 stop
ORD
LGW
10h 45m
1 stop
Depart: Sun Aug 27 2017 Return: Tue Sep 5 2017 Trip spans 10 days
United
United
LHR
ORD
8h 55m
nonstop
ORD
LHR
12h 50m
1 stop
Depart: Mon Oct 23 2017 Return: Tue Oct 31 2017 Trip spans 9 days
WOW air
WOW air
LGW
ORD
11h 05m
1 stop
ORD
LGW
10h 25m
1 stop
Depart: Mon Oct 23 2017 Return: Tue Oct 31 2017 Trip spans 9 days
WOW air
WOW air
LGW
ORD
11h 05m
1 stop
ORD
LGW
10h 25m
1 stop
Depart: Sat Jan 27 2018 Return: Sat Feb 3 2018 Trip spans 8 days
Icelandair
Icelandair
MAN
ORD
10h 50m
1 stop
ORD
MAN
10h 05m
1 stop
Depart: Fri Nov 3 2017 Return: Tue Nov 7 2017 Trip spans 5 days
Aer Lingus
Aer Lingus
BHX
ORD
11h 05m
1 stop
ORD
BHX
9h 50m
1 stop
Depart: Fri Feb 9 2018 Return: Sun Feb 18 2018 Trip spans 10 days
Icelandair
Icelandair
MAN
ORD
10h 50m
1 stop
ORD
MAN
10h 05m
1 stop
Depart: Mon Aug 28 2017 Return: Sat Sep 9 2017 Trip spans 13 days
WOW air
WOW air
EDI
ORD
10h 40m
1 stop
ORD
EDI
10h 40m
1 stop
Depart: Wed Dec 13 2017 Return: Wed Dec 20 2017 Trip spans 8 days
British Airways
British Airways
MAN
ORD
9h 00m
nonstop
ORD
MAN
7h 30m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We compile tonnes 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 can'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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Southampton
$573
Leeds
$607
London
only $646
only $607
only $357
Manchester
$489
Glasgow
$470
Edinburgh
$415
Birmingham
$532
Destination

Chicago
$357
Airlines Airline reviews

69 travelers who booked a flight from London to Chicago rated their chosen airlines with an average of 6.7.

Overall
6.8
Boarding
7.6
Crew
8.0
Comfort
6.5
Food
6.5
Entertainment
5.1