Find Deals on Flights from Chicago O'Hare International to London (ORD - 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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Book cheap flights from Chicago O'Hare International to London

(Round-trip)
Depart: Fri Oct 7 2016 Return: Sun Oct 9 2016 Trip spans 3 days
Depart: Sat Jan 14 2017 Return: Mon Jan 16 2017 Trip spans 3 days
Depart: Fri Jan 20 2017 Return: Fri Jan 27 2017 Trip spans 8 days
Depart: Wed Feb 8 2017 Return: Tue Feb 21 2017 Trip spans 14 days
Depart: Sat Jan 14 2017 Return: Mon Jan 16 2017 Trip spans 3 days
Depart: Tue Sep 27 2016 Return: Tue Oct 25 2016 Trip spans 29 days
Depart: Thu Dec 22 2016 Return: Tue Jan 3 2017 Trip spans 13 days
Depart: Tue Nov 22 2016 Return: Sun Nov 27 2016 Trip spans 6 days
Depart: Sat Oct 29 2016 Return: Mon Oct 31 2016 Trip spans 3 days
Depart: Sun Feb 5 2017 Return: Mon Feb 27 2017 Trip spans 23 days
Depart: Fri Nov 4 2016 Return: Sun Nov 6 2016 Trip spans 3 days
Depart: Fri Dec 16 2016 Return: Tue Jan 10 2017 Trip spans 26 days
Depart: Tue Sep 27 2016 Return: Mon Oct 24 2016 Trip spans 28 days
Depart: Tue Dec 13 2016 Return: Wed Dec 28 2016 Trip spans 16 days
Depart: Sat Jan 14 2017 Return: Sun Jan 15 2017 Trip spans 2 days
Depart: Thu Dec 22 2016 Return: Tue Jan 3 2017 Trip spans 13 days
Depart: Sat Nov 26 2016 Return: Mon Nov 28 2016 Trip spans 3 days
Depart: Thu Sep 29 2016 Return: Fri Oct 7 2016 Trip spans 9 days
Depart: Fri Feb 10 2017 Return: Sun Feb 12 2017 Trip spans 3 days
Depart: Fri Feb 10 2017 Return: Sun Feb 12 2017 Trip spans 3 days
Direct flights ORD to LON on Delta
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4389 5:55 pm 7:55 am Aug 27 - Sep 13
4389 5:55 pm 7:55 am Oct 2 - Oct 9
4389 5:55 pm 7:55 am Oct 3 - Oct 3
4389 5:55 pm 7:55 am Sep 15 - Sep 30
* 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
$498
Destination

London
only $498
only $553
only $544