Book United London to Chicago flight deals from $437

Search flights from London to Chicago (LHR - ORD)

July

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Friday 13th

Return Saturday 28th
from$ 938*Viewed: 3 hours ago

Sunday 15th

Return Monday 30th
from$ 938*Viewed: 3 hours ago

Thursday 19th

Return Friday 10th
from$ 780*Viewed: 1 day ago

August

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Monday 20th

Return Saturday 8th
from$ 463*Viewed: 20 hours ago

Sunday 26th

Return Sunday 2nd
from$ 490*Viewed: 20 hours ago

Wednesday 29th

Return Sunday 2nd
from$ 437*Viewed: 4 hours ago

September

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Thursday 6th

Return Saturday 22nd
from$ 463*Viewed: 13 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 Wed 29 Aug 2018
Return Sun 2 Sep 2018
from$ 437*Viewed: 4 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Mon 20 Aug 2018
Return Sat 8 Sep 2018
from$ 463*Viewed: 20 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Thu 6 Sep 2018
Return Sat 22 Sep 2018
from$ 463*Viewed: 13 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Sun 26 Aug 2018
Return Sun 2 Sep 2018
from$ 490*Viewed: 20 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Fri 3 Aug 2018
Return Mon 27 Aug 2018
from$ 694*Viewed: 7 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Thu 19 Jul 2018
Return Fri 10 Aug 2018
from$ 780*Viewed: 1 day ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Tue 25 Dec 2018
Return Tue 1 Jan 2019
from$ 850*Viewed: 18 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Fri 3 May 2019
Return Tue 21 May 2019
from$ 903*Viewed: 10 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Fri 13 Jul 2018
Return Sat 28 Jul 2018
from$ 938*Viewed: 3 hours ago
London (LHR)
to Chicago (ORD)
Roundtrip
Depart Sun 15 Jul 2018
Return Mon 30 Jul 2018
from$ 938*Viewed: 3 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.

Weather in Chicago

61 °FFriday06/22/2018
64 °FSaturday06/23/2018
66 °FSunday06/24/2018
77 °FMonday06/25/2018
80 °FTuesday06/26/2018
87 °FWednesday06/27/2018
87 °FThursday06/28/2018
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