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

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 London Heathrow to Chicago

(Round-trip)
Depart: Wed Dec 28 2016 Return: Sun Jan 8 2017 Trip spans 12 days
Depart: Wed Dec 28 2016 Return: Mon Jan 9 2017 Trip spans 13 days
Depart: Wed Feb 1 2017 Return: Wed Feb 8 2017 Trip spans 8 days
Depart: Mon Feb 6 2017 Return: Thu Feb 23 2017 Trip spans 18 days
Depart: Mon Oct 31 2016 Return: Tue Nov 8 2016 Trip spans 9 days
Depart: Thu Sep 29 2016 Return: Sat Nov 12 2016 Trip spans 45 days
Depart: Wed Jan 18 2017 Return: Wed Jan 25 2017 Trip spans 8 days
Depart: Tue Nov 1 2016 Return: Thu Nov 17 2016 Trip spans 17 days
Depart: Sun Nov 13 2016 Return: Mon Nov 28 2016 Trip spans 16 days
Depart: Tue Feb 21 2017 Return: Tue Feb 28 2017 Trip spans 8 days
Depart: Tue Nov 1 2016 Return: Thu Nov 17 2016 Trip spans 17 days
Depart: Mon Oct 3 2016 Return: Thu Nov 3 2016 Trip spans 32 days
Depart: Mon Dec 26 2016 Return: Tue Jan 3 2017 Trip spans 9 days
Depart: Mon Dec 26 2016 Return: Tue Jan 3 2017 Trip spans 9 days
Depart: Tue Nov 22 2016 Return: Wed Nov 30 2016 Trip spans 9 days
Depart: Mon Sep 19 2016 Return: Tue Sep 27 2016 Trip spans 9 days
Depart: Mon Jan 9 2017 Return: Mon Jan 30 2017 Trip spans 22 days
Depart: Mon Jan 9 2017 Return: Mon Jan 30 2017 Trip spans 22 days
Depart: Wed Jan 18 2017 Return: Wed Jan 25 2017 Trip spans 8 days
Depart: Thu Dec 29 2016 Return: Mon Jan 9 2017 Trip spans 12 days
Direct flights LHR to CHI on Delta
Flight # Depart LHR Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
4388 9:20 am 12:10 pm Aug 25 - Sep 13
4388 9:20 am 12:10 pm Sep 15 - Sep 30
4388 9:20 am 12:10 pm Oct 2 - Oct 9
* 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

London
$450
Destination

Chicago
only $450
only $461