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

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 to London Heathrow

(Round-trip)
Depart: Sun Oct 29 2017 Return: Wed Nov 1 2017 Trip spans 4 days
SAS
SAS
ORD
LHR
33h 00m
1 stop
LHR
ORD
13h 10m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Iberia
Iberia
ORD
LHR
7h 35m
nonstop
LHR
ORD
8h 50m
nonstop
Depart: Thu Sep 21 2017 Return: Sun Oct 8 2017 Trip spans 18 days
Finnair
Finnair
ORD
LHR
7h 35m
nonstop
LHR
ORD
29h 10m
1 stop
Depart: Fri Nov 10 2017 Return: Sat Nov 18 2017 Trip spans 9 days
Icelandair
Icelandair
ORD
LHR
19h 00m
1 stop
LHR
ORD
10h 55m
1 stop
Depart: Mon Aug 21 2017 Return: Mon Sep 4 2017 Trip spans 15 days
British Airways
British Airways
ORD
LHR
7h 45m
nonstop
LHR
ORD
24h 05m
1 stop
Depart: Mon Sep 11 2017 Return: Fri Sep 29 2017 Trip spans 19 days
Virgin Atlantic
Virgin Atlantic
MDW
LHR
11h 55m
1 stop
LHR
MDW
12h 50m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
Delta
Delta
MDW
LHR
15h 17m
1 stop
LHR
MDW
15h 51m
1 stop
Depart: Mon Aug 21 2017 Return: Wed Aug 30 2017 Trip spans 10 days
KLM
KLM
MDW
LHR
11h 55m
1 stop
LHR
MDW
14h 01m
1 stop
Depart: Tue Oct 3 2017 Return: Mon Oct 9 2017 Trip spans 7 days
Turkish Airlines
Turkish Airlines
ORD
LHR
17h 05m
1 stop
LHR
ORD
31h 15m
1 stop
Depart: Tue Dec 12 2017 Return: Tue Dec 19 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
ORD
LHR
7h 55m
nonstop
LHR
ORD
9h 10m
nonstop
Depart: Fri Sep 1 2017 Return: Sun Sep 10 2017 Trip spans 10 days
American Airlines
American Airlines
ORD
LHR
12h 10m
1 stop
LHR
ORD
14h 25m
1 stop
Depart: Sun Dec 3 2017 Return: Fri Dec 8 2017 Trip spans 6 days
Icelandair
Icelandair
ORD
LHR
10h 40m
1 stop
LHR
ORD
10h 55m
1 stop
Depart: Fri Sep 29 2017 Return: Sun Oct 8 2017 Trip spans 10 days
Finnair
Finnair
ORD
LHR
7h 35m
nonstop
LHR
ORD
29h 10m
1 stop
Depart: Sun Aug 13 2017 Return: Thu Aug 31 2017 Trip spans 19 days
Iberia
Iberia
ORD
LHR
7h 40m
nonstop
LHR
ORD
8h 35m
nonstop
Depart: Thu Oct 5 2017 Return: Thu Oct 12 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
MDW
LHR
16h 50m
1 stop
LHR
MDW
12h 34m
1 stop
Depart: Sat Oct 7 2017 Return: Sun Oct 15 2017 Trip spans 9 days
Delta
Delta
MDW
LHR
11h 50m
1 stop
LHR
MDW
13h 42m
1 stop
Depart: Wed Oct 4 2017 Return: Thu Oct 19 2017 Trip spans 16 days
KLM
KLM
MDW
LHR
10h 25m
1 stop
LHR
MDW
13h 42m
1 stop
Depart: Sat Dec 9 2017 Return: Tue Dec 12 2017 Trip spans 4 days
Icelandair
Icelandair
ORD
LHR
10h 40m
1 stop
LHR
ORD
26h 45m
1 stop
Depart: Wed Sep 13 2017 Return: Fri Sep 29 2017 Trip spans 17 days
Finnair
Finnair
ORD
LHR
7h 50m
nonstop
LHR
ORD
14h 35m
1 stop
Depart: Wed Aug 16 2017 Return: Sat Aug 26 2017 Trip spans 11 days
Iberia
Iberia
ORD
LHR
11h 50m
1 stop
LHR
ORD
8h 35m
nonstop
Direct flights CHI to LHR on American Airlines
Flight # Depart ORD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
90 9:05 am 10:45 pm Jul 22 - Aug 19
90 9:05 am 10:45 pm Jul 30 - Aug 20
90 9:05 am 10:45 pm Jul 27 - Aug 3
90 9:05 am 10:45 pm Aug 4 - Aug 4
90 9:05 am 10:45 pm Aug 7 - Aug 21
90 9:10 am 10:45 pm Aug 22 - Aug 22
90 9:10 am 10:45 pm Aug 23 - Sep 1
90 9:10 am 10:45 pm Aug 27 - Aug 27
86 5:10 pm 6:50 am Jul 27 - Aug 21
86 5:10 pm 6:50 am Jul 29 - Aug 19
86 5:15 pm 6:50 am Aug 22 - Oct 4
6194 5:30 pm 7:20 am Jul 22 - Oct 27
46 7:25 pm 9:05 am Jul 22 - Aug 19
46 7:25 pm 9:05 am Jul 27 - Aug 21
46 7:25 pm 9:05 am Aug 1 - Aug 16
46 7:30 pm 9:05 am Aug 24 - Oct 6
46 7:30 pm 9:05 am Aug 22 - Oct 25
6196 8:40 pm 10:25 am Jul 22 - Sep 9
6196 8:50 pm 10:35 am Jul 28 - Oct 27
98 10:25 pm 12:05 pm Aug 20 - Aug 21
98 10:25 pm 12:05 pm Jul 27 - Aug 18
98 10:25 pm 12:05 pm Jul 29 - Aug 19
98 10:25 pm 12:05 pm Aug 1 - Aug 16
98 10:30 pm 12:05 pm Aug 22 - Oct 25
98 10:30 pm 12:05 pm Aug 24 - Oct 9
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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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.

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Airports
Origin

Chicago
only $508
only $635
Destination

London
$508
Airlines Airline reviews

251 travelers who booked a flight from Chicago to London rated their chosen airlines with an average of 7.4.

Overall
7.3
Boarding
7.5
Crew
7.9
Comfort
7.0
Food
7.0
Entertainment
7.4