Book United London to Chicago flight deals from $329

Select journey type

Enter to select travel class and passengers

Search flights from London to Chicago (LHR - ORD)

October

Skip to content

Sunday 21st

Return Sunday 28th
from$ 1,301*Viewed: 18 hours ago

Thursday 25th

Return Sunday 4th
from$ 1,275*Viewed: 20 hours ago

Saturday 27th

Return Tuesday 30th
from$ 1,242*Viewed: 5 hours ago

November

Skip to content

Tuesday 6th

Return Friday 9th
from$ 377*Viewed: 20 hours ago

Friday 9th

Return Saturday 24th
from$ 377*Viewed: 7 hours ago

Wednesday 14th

Return Thursday 29th
from$ 361*Viewed: 4 hours ago

December

Skip to content

Thursday 6th

Return Monday 17th
from$ 383*Viewed: 3 hours ago

Thursday 13th

Return Tuesday 1st
from$ 430*Viewed: 1 day ago

Monday 24th

Return Tuesday 1st
from$ 414*Viewed: 19 hours ago
**Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply..
Cruise ships and tour boats docked by a ferris wheel and urban buildings at Navy Pier in Chicago

Plan ahead for flights from London to Chicago

from
to
Type
Dates
Price*
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Mon 25 Mar 2019
Return Mon 1 Apr 2019
from$ 329*Viewed: 2 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Sun 24 Feb 2019
Return Sun 3 Mar 2019
from$ 346*Viewed: 13 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Wed 20 Mar 2019
Return Sun 24 Mar 2019
from$ 346*Viewed: 1 day ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Wed 14 Nov 2018
Return Thu 29 Nov 2018
from$ 361*Viewed: 4 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Thu 10 Jan 2019
Return Mon 14 Jan 2019
from$ 361*Viewed: 2 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Sun 4 Nov 2018
Return Sun 18 Nov 2018
from$ 377*Viewed: 1 day ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Tue 6 Nov 2018
Return Fri 9 Nov 2018
from$ 377*Viewed: 20 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Fri 9 Nov 2018
Return Sat 24 Nov 2018
from$ 377*Viewed: 7 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Tue 20 Nov 2018
Return Sat 24 Nov 2018
from$ 377*Viewed: 3 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Mon 6 May 2019
Return Sun 26 May 2019
from$ 377*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Chicago

42 °FMonday10/15/2018
48 °FTuesday10/16/2018
48 °FWednesday10/17/2018
48 °FThursday10/18/2018
54 °FFriday10/19/2018
61 °FSaturday10/20/2018
57 °FSunday10/21/2018
Powered by: OpenWeatherMap.org