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: Mon Oct 31 2016 Return: Tue Nov 1 2016 Trip spans 2 days
Depart: Mon Nov 21 2016 Return: Wed Nov 30 2016 Trip spans 10 days
Depart: Tue Oct 4 2016 Return: Tue Oct 11 2016 Trip spans 8 days
Depart: Fri Oct 14 2016 Return: Sun Oct 16 2016 Trip spans 3 days
Depart: Wed Nov 16 2016 Return: Mon Nov 21 2016 Trip spans 6 days
Depart: Tue Sep 6 2016 Return: Wed Sep 14 2016 Trip spans 9 days
Depart: Tue Nov 8 2016 Return: Mon Nov 21 2016 Trip spans 14 days
Depart: Tue Nov 1 2016 Return: Tue Nov 22 2016 Trip spans 22 days
Depart: Sun Oct 30 2016 Return: Thu Nov 10 2016 Trip spans 12 days
Depart: Thu Jun 9 2016 Return: Sat Jun 11 2016 Trip spans 3 days
Depart: Wed Jun 22 2016 Return: Tue Jul 5 2016 Trip spans 14 days
Depart: Tue Jul 19 2016 Return: Tue Sep 6 2016 Trip spans 50 days
Depart: Tue Jun 14 2016 Return: Wed Jun 15 2016 Trip spans 2 days
Depart: Sun Sep 4 2016 Return: Sat Sep 10 2016 Trip spans 7 days
Depart: Sun Jun 19 2016 Return: Mon Jun 27 2016 Trip spans 9 days
Depart: Wed Jul 13 2016 Return: Tue Aug 9 2016 Trip spans 28 days
Depart: Sat Aug 20 2016 Return: Mon Aug 22 2016 Trip spans 3 days
Depart: Fri Nov 4 2016 Return: Sun Nov 6 2016 Trip spans 3 days
Depart: Tue Nov 15 2016 Return: Mon Dec 5 2016 Trip spans 21 days
Depart: Fri Jul 15 2016 Return: Sun Jul 17 2016 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 May 26 - Oct 17
* 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
$742
Destination

London
only $742
only $834
only $751