Cheapest return flights from Chicago to London in August from 413€

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

Return flights

20 Aug - 29 Aug Spirit Airlines
19 Aug - 27 Aug Spirit Airlines
15 Aug - 14 Sep Icelandair
16 Aug - 27 Aug Icelandair
23 Aug - 31 Aug Icelandair
12 Aug - 21 Aug Delta
19 Aug - 04 Sep Delta
12 Aug - 05 Sep Delta
12 Aug - 18 Aug Icelandair
10 Aug - 18 Aug Icelandair
15 Aug - 23 Aug Icelandair
20 Aug - 25 Aug Spirit Airlines
16 Aug - 18 Aug Icelandair
12 Aug - 12 Sep Spirit Airlines
20 Aug - 10 Sep Spirit Airlines
11 Aug - 12 Sep Icelandair
14 Aug - 09 Sep Spirit Airlines
12 Aug - 07 Sep Spirit Airlines
24 Aug - 01 Sep Icelandair
13 Aug - 12 Sep Spirit Airlines

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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