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

Depart
Return
1 adult
Adults
18+
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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Flexible dates? Here are the best fares found in the past 48 hours...

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

(Round-trip)
Depart: Fri 21 Oct 2016 Return: Sun 23 Oct 2016 Trip spans 3 days
Depart: Thu 9 Feb 2017 Return: Sat 11 Feb 2017 Trip spans 3 days
Depart: Sat 24 Sep 2016 Return: Wed 28 Sep 2016 Trip spans 5 days
Depart: Sat 14 Jan 2017 Return: Mon 23 Jan 2017 Trip spans 10 days
Depart: Thu 12 Jan 2017 Return: Tue 17 Jan 2017 Trip spans 6 days
Depart: Sat 22 Oct 2016 Return: Mon 24 Oct 2016 Trip spans 3 days
Depart: Sat 29 Oct 2016 Return: Mon 31 Oct 2016 Trip spans 3 days
Depart: Thu 6 Oct 2016 Return: Sun 16 Oct 2016 Trip spans 11 days
Depart: Sat 14 Jan 2017 Return: Mon 16 Jan 2017 Trip spans 3 days
Depart: Fri 4 Nov 2016 Return: Sun 6 Nov 2016 Trip spans 3 days
Depart: Sat 15 Oct 2016 Return: Sat 22 Oct 2016 Trip spans 8 days
Depart: Fri 18 Nov 2016 Return: Sun 20 Nov 2016 Trip spans 3 days
Depart: Fri 18 Nov 2016 Return: Sun 27 Nov 2016 Trip spans 10 days
Depart: Tue 6 Sep 2016 Return: Tue 27 Sep 2016 Trip spans 22 days
Depart: Wed 30 Nov 2016 Return: Sat 3 Dec 2016 Trip spans 4 days
Depart: Thu 8 Sep 2016 Return: Thu 20 Oct 2016 Trip spans 43 days
Depart: Thu 1 Dec 2016 Return: Sun 4 Dec 2016 Trip spans 4 days
Depart: Tue 20 Sep 2016 Return: Tue 4 Oct 2016 Trip spans 15 days
Depart: Sat 27 Aug 2016 Return: Mon 5 Sep 2016 Trip spans 10 days
Depart: Wed 1 Feb 2017 Return: Fri 10 Feb 2017 Trip spans 10 days
Direct flights ORD - LHR on British Airways
Flight # Depart ORD Arrive LHR Mon Tue Wed Thu Fri Sat Sun Valid between
1541 09:00 22:45 23 Aug - 3 Sep
1541 09:00 22:45 5 Sep - 29 Oct
1543 16:30 06:35 23 Aug - 5 Oct
294 17:55 07:45 21 Aug - 28 Oct
294 18:00 07:50 20 Aug - 22 Oct
1518 19:25 09:05 23 Aug - 5 Oct
296 20:35 10:20 20 Aug - 28 Oct
1601 22:25 12:05 20 Aug - 2 Sep
1601 22:25 12:05 4 Sep - 28 Oct
* We attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

Chicago
£380
Destination

London
£380
Airlines Airline reviews

10 travellers who booked a flight to London from Chicago rated their chosen airline with an average of 6.5

Overall
6.6
Boarding
8.0
Crew
7.8
Comfort
6.4
Food
5.6
Entertainment
4.8