Find Cheap Flights from Chicago to United Kingdom

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 United Kingdom

(Round-trip)
Depart: Sun Oct 29 2017 Return: Tue Nov 14 2017 Trip spans 17 days
WOW air
WOW air
ORD
LGW
10h 40m
1 stop
LGW
ORD
11h 15m
1 stop
Depart: Thu Feb 8 2018 Return: Sat Feb 17 2018 Trip spans 10 days
Icelandair
Icelandair
ORD
GLA
9h 15m
1 stop
GLA
ORD
10h 20m
1 stop
Depart: Tue Nov 14 2017 Return: Sun Nov 19 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ORD
LTN
24h 10m
2 stops
LTN
ORD
15h 20m
2 stops
Depart: Wed Apr 11 2018 Return: Sat Apr 21 2018 Trip spans 11 days
Norwegian
Norwegian
ORD
LGW
7h 45m
nonstop
LGW
ORD
8h 35m
nonstop
Depart: Mon Oct 30 2017 Return: Tue Dec 5 2017 Trip spans 37 days
WOW air
WOW air
ORD
LGW
10h 40m
1 stop
LGW
ORD
11h 15m
1 stop
Depart: Wed Jan 3 2018 Return: Wed Jan 17 2018 Trip spans 15 days
Multiple Airlines
Multiple Airlines
ORD
LTN
24h 10m
2 stops
LTN
ORD
15h 20m
2 stops
Depart: Tue Oct 31 2017 Return: Tue Nov 21 2017 Trip spans 22 days
WOW air
WOW air
ORD
LGW
10h 40m
1 stop
LGW
ORD
11h 15m
1 stop
Depart: Sat Mar 3 2018 Return: Sun Mar 11 2018 Trip spans 9 days
Icelandair
Icelandair
ORD
LGW
10h 15m
1 stop
LGW
ORD
11h 10m
1 stop
Depart: Sat Apr 21 2018 Return: Thu May 3 2018 Trip spans 13 days
Norwegian
Norwegian
ORD
LGW
7h 45m
nonstop
LGW
ORD
8h 35m
nonstop
Depart: Thu Jan 4 2018 Return: Wed Jan 17 2018 Trip spans 14 days
Multiple Airlines
Multiple Airlines
ORD
LTN
18h 25m
2 stops
LTN
ORD
15h 20m
2 stops
Depart: Sun Nov 5 2017 Return: Wed Nov 8 2017 Trip spans 4 days
WOW air
WOW air
ORD
LGW
10h 25m
1 stop
LGW
ORD
10h 55m
1 stop
Depart: Fri Jan 12 2018 Return: Sun Jan 21 2018 Trip spans 10 days
Icelandair
Icelandair
ORD
LGW
10h 30m
1 stop
LGW
ORD
11h 10m
1 stop
Depart: Sun Apr 22 2018 Return: Thu May 3 2018 Trip spans 12 days
Norwegian
Norwegian
ORD
LGW
7h 45m
nonstop
LGW
ORD
8h 35m
nonstop
Depart: Fri Jan 5 2018 Return: Wed Jan 17 2018 Trip spans 13 days
Multiple Airlines
Multiple Airlines
ORD
STN
18h 00m
2 stops
STN
ORD
15h 20m
2 stops
Depart: Tue Nov 7 2017 Return: Mon Dec 4 2017 Trip spans 28 days
WOW air
WOW air
ORD
LGW
10h 25m
1 stop
LGW
ORD
10h 55m
1 stop
Depart: Sat Jan 13 2018 Return: Sun Jan 21 2018 Trip spans 9 days
Icelandair
Icelandair
ORD
LGW
10h 15m
1 stop
LGW
ORD
11h 10m
1 stop
Depart: Tue Apr 24 2018 Return: Thu May 3 2018 Trip spans 10 days
Norwegian
Norwegian
ORD
LGW
7h 45m
nonstop
LGW
ORD
8h 35m
nonstop
Depart: Fri Feb 2 2018 Return: Tue Feb 6 2018 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ORD
LTN
18h 25m
2 stops
LTN
ORD
15h 20m
2 stops
Depart: Wed Nov 8 2017 Return: Tue Nov 28 2017 Trip spans 21 days
WOW air
WOW air
ORD
LGW
10h 25m
1 stop
LGW
ORD
10h 55m
1 stop
Depart: Sat Jan 20 2018 Return: Sat Jan 27 2018 Trip spans 8 days
Icelandair
Icelandair
ORD
LGW
10h 15m
1 stop
LGW
ORD
11h 10m
1 stop
* 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

Chicago
$380
Destination

London
only $414
only $380
only $414
Glasgow
$408