Cheapest return flights from Chicago to London in August from 623€

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

Return flights

27 Aug - 31 Aug Scandinavian Airlines
15 Aug - 26 Aug Scandinavian Airlines
10 Aug - 21 Aug Icelandair
26 Aug - 30 Aug Icelandair
16 Aug - 25 Aug Icelandair
03 Aug - 26 Aug Aer Lingus
11 Aug - 25 Aug Aer Lingus
11 Aug - 19 Aug Aer Lingus
20 Aug - 01 Sep Scandinavian Airlines
03 Aug - 12 Aug Aer Lingus
05 Aug - 12 Aug Aer Lingus
08 Aug - 05 Sep Turkish Airlines
26 Aug - 13 Sep Aer Lingus
28 Aug - 06 Sep Scandinavian Airlines
20 Aug - 01 Sep British Airways direct
07 Aug - 06 Sep Aer Lingus
06 Aug - 07 Sep Delta
08 Aug - 05 Sep Finnair direct
07 Aug - 06 Sep Finnair direct
28 Aug - 06 Sep British Airways direct

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

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