Find Cheap Flights from London Heathrow to Chicago O'Hare International (LHR - ORD)

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 Origins:
Browse Destinations:

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

Book cheap flights from London Heathrow to Chicago O'Hare International

(Round-trip)
Depart: Sat Feb 10 2018 Return: Mon Feb 12 2018 Trip spans 3 days
KLM
KLM
LHR
ORD
25h 16m
1 stop
ORD
LHR
12h 19m
1 stop
Depart: Wed Feb 14 2018 Return: Wed Feb 21 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
ORD
13h 45m
1 stop
ORD
LHR
7h 40m
nonstop
Depart: Mon Jan 15 2018 Return: Mon Jan 22 2018 Trip spans 8 days
Icelandair
Icelandair
LHR
ORD
10h 55m
1 stop
ORD
LHR
19h 00m
1 stop
Depart: Fri Nov 17 2017 Return: Wed Nov 29 2017 Trip spans 13 days
Aer Lingus
Aer Lingus
LHR
ORD
11h 20m
1 stop
ORD
LHR
10h 05m
1 stop
Depart: Fri Mar 23 2018 Return: Sat Mar 24 2018 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
LHR
ORD
15h 41m
1 stop
ORD
LHR
31h 15m
1 stop
Depart: Thu Mar 8 2018 Return: Thu Mar 22 2018 Trip spans 14 days
British Airways
British Airways
LHR
ORD
13h 45m
1 stop
ORD
LHR
7h 30m
nonstop
Depart: Thu Nov 23 2017 Return: Thu Nov 30 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
LHR
ORD
13h 45m
1 stop
ORD
LHR
7h 45m
nonstop
Depart: Tue Nov 14 2017 Return: Tue Nov 28 2017 Trip spans 15 days
Brussels Airlines
Brussels Airlines
LHR
ORD
12h 25m
1 stop
ORD
LHR
7h 50m
nonstop
Depart: Tue Nov 14 2017 Return: Thu Nov 30 2017 Trip spans 17 days
Lufthansa
Lufthansa
LHR
ORD
12h 50m
1 stop
ORD
LHR
7h 50m
nonstop
Depart: Thu Mar 15 2018 Return: Tue Mar 20 2018 Trip spans 6 days
Aer Lingus
Aer Lingus
LHR
ORD
11h 20m
1 stop
ORD
LHR
10h 05m
1 stop
Depart: Tue Dec 5 2017 Return: Mon Dec 11 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
LHR
ORD
12h 25m
1 stop
ORD
LHR
7h 45m
nonstop
Depart: Tue Mar 13 2018 Return: Tue Mar 27 2018 Trip spans 15 days
KLM
KLM
LHR
ORD
16h 59m
2 stops
ORD
LHR
18h 50m
1 stop
Depart: Mon Nov 20 2017 Return: Tue Dec 5 2017 Trip spans 16 days
British Airways
British Airways
LHR
ORD
13h 45m
1 stop
ORD
LHR
7h 35m
nonstop
Depart: Thu Nov 23 2017 Return: Mon Nov 27 2017 Trip spans 5 days
Icelandair
Icelandair
LHR
ORD
10h 55m
1 stop
ORD
LHR
10h 40m
1 stop
Depart: Sat Oct 7 2017 Return: Mon Oct 9 2017 Trip spans 3 days
Virgin Atlantic
Virgin Atlantic
LHR
ORD
24h 36m
1 stop
ORD
LHR
9h 52m
1 stop
Depart: Wed Nov 1 2017 Return: Thu Nov 23 2017 Trip spans 23 days
Aer Lingus
Aer Lingus
LHR
ORD
11h 20m
1 stop
ORD
LHR
10h 05m
1 stop
Depart: Thu Jan 25 2018 Return: Tue Jan 30 2018 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LHR
ORD
25h 40m
1 stop
ORD
LHR
11h 25m
1 stop
Depart: Wed Nov 29 2017 Return: Mon Dec 4 2017 Trip spans 6 days
British Airways
British Airways
LHR
ORD
13h 45m
1 stop
ORD
LHR
7h 40m
nonstop
Depart: Fri Dec 1 2017 Return: Fri Dec 8 2017 Trip spans 8 days
Icelandair
Icelandair
LHR
ORD
10h 55m
1 stop
ORD
LHR
10h 40m
1 stop
Depart: Tue Nov 21 2017 Return: Tue Nov 28 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
LHR
ORD
13h 45m
1 stop
ORD
LHR
7h 45m
nonstop
Direct flights LHR to ORD on American Airlines
Flight # Depart LHR Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
99 7:45 am 10:25 am Sep 2 - Oct 28
47 8:40 am 11:15 am Sep 5 - Oct 28
87 8:40 am 12:30 pm Oct 29 - Oct 29
87 8:40 am 12:30 pm Oct 30 - Nov 4
47 10:50 am 2:45 pm Oct 29 - Nov 4
6195 10:50 am 1:25 pm Sep 2 - Oct 28
6195 11:55 am 3:45 pm Oct 29 - Oct 29
6195 12:05 pm 3:55 pm Oct 30 - Nov 4
87 12:25 pm 3:10 pm Sep 2 - Oct 1
87 12:50 pm 3:35 pm Oct 2 - Oct 28
6197 3:45 pm 7:35 pm Oct 29 - Nov 4
6197 4:05 pm 6:40 pm Sep 13 - Oct 28
91 4:05 pm 8:05 pm Oct 29 - Nov 3
91 5:15 pm 8:05 pm Sep 4 - Oct 4
91 5:15 pm 8:05 pm Oct 5 - Oct 27
91 5:15 pm 8:05 pm Sep 2 - Oct 28
* 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
$487
Destination

Chicago
$487
Airlines Airline reviews

203 travelers who booked a flight from London to Chicago rated their chosen airlines with an average of 7.3.

Overall
7.3
Boarding
7.3
Crew
7.7
Comfort
7.0
Food
6.9
Entertainment
7.2