Cheapest return flights from Chicago to London in August from 402€

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in August 2025 (see full year).

Return flights

19 Aug - 29 Aug Lufthansa
19 Aug - 25 Aug Air Canada
13 Aug - 20 Aug Lufthansa
18 Aug - 27 Aug Finnair
04 Aug - 18 Aug Icelandair
23 Aug - 31 Aug Icelandair
22 Aug - 09 Sep Icelandair
11 Aug - 18 Aug Icelandair
12 Aug - 12 Sep SWISS
13 Aug - 12 Sep SWISS
12 Aug - 05 Sep SWISS
08 Aug - 26 Aug Austrian Airlines
12 Aug - 18 Aug Icelandair
04 Aug - 26 Aug SWISS
19 Aug - 04 Sep SWISS
20 Aug - 18 Sep Delta
20 Aug - 10 Sep Virgin Atlantic
26 Aug - 02 Sep British Airways direct
11 Aug - 12 Sep Delta
13 Aug - 09 Sep KLM

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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