Cheapest return flights from Chicago to London in August from 589€

Best time to book flights for Chicago (ORD) to London (LGW) flights at AirHint

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

Return flights

21 Aug - 29 Aug Icelandair
21 Aug - 30 Aug Icelandair
21 Aug - 31 Aug Icelandair
16 Aug - 02 Sep Icelandair
18 Aug - 02 Sep Icelandair
12 Aug - 26 Aug Icelandair
18 Aug - 09 Sep Icelandair
27 Aug - 10 Sep Icelandair
13 Aug - 23 Aug Icelandair
17 Aug - 02 Sep Icelandair
12 Aug - 27 Aug Icelandair
21 Aug - 24 Aug Icelandair
22 Aug - 15 Sep Icelandair
12 Aug - 19 Aug Icelandair
22 Aug - 02 Sep Icelandair
04 Aug - 13 Aug TAP
24 Aug - 15 Sep Turkish Airlines
06 Aug - 13 Aug Icelandair
29 Aug - 10 Sep TAP
29 Aug - 07 Sep Icelandair

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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