Cheapest return flights from Chicago to London in August from $583

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in August 2026 (see full year).

Return flights

26 Aug - 30 Aug Icelandair
11 Aug - 18 Aug Icelandair
16 Aug - 25 Aug Icelandair
19 Aug - 26 Aug Icelandair
19 Aug - 30 Aug Icelandair
11 Aug - 21 Aug Icelandair
25 Aug - 02 Sep Air Canada
26 Aug - 12 Sep Scandinavian Airlines
20 Aug - 07 Sep Scandinavian Airlines
25 Aug - 01 Sep Aer Lingus
28 Aug - 06 Sep Scandinavian Airlines
12 Aug - 20 Aug Aer Lingus
24 Aug - 31 Aug Air Canada
23 Aug - 30 Aug Icelandair
15 Aug - 25 Aug Icelandair
27 Aug - 06 Sep Scandinavian Airlines
25 Aug - 01 Sep United direct
28 Aug - 03 Sep Scandinavian Airlines
07 Aug - 04 Sep Aer Lingus
07 Aug - 04 Sep British Airways direct

Also check the deals for one-way flights from Chicago to London in August.

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