Cheapest return flights from Chicago to London in August from 498€

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

Return flights

11 Aug - 26 Aug Iberia
12 Aug - 28 Aug Aer Lingus
12 Aug - 28 Aug British Airways direct
11 Aug - 26 Aug British Airways direct
21 Aug - 24 Aug Aer Lingus
21 Aug - 24 Aug British Airways direct
08 Aug - 15 Aug Aer Lingus
28 Aug - 06 Sep Lufthansa
28 Aug - 06 Sep British Airways direct
08 Aug - 15 Aug British Airways direct

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

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