Cheapest return flights from Chicago to London in August from 557€

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

Return flights

20 Aug - 27 Aug Aer Lingus
05 Aug - 13 Aug Iberia
12 Aug - 20 Aug Aer Lingus
24 Aug - 08 Sep Iberia
04 Aug - 12 Aug Aer Lingus
04 Aug - 20 Aug Spirit Airlines
20 Aug - 23 Aug Spirit Airlines
07 Aug - 11 Aug TAP
06 Aug - 10 Aug Finnair
08 Aug - 23 Aug LOT
19 Aug - 09 Sep SWISS
10 Aug - 15 Aug Iberia
28 Aug - 06 Sep SWISS

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

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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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