Cheapest return flights from Chicago to London in July from $856

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

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

Return flights

20 Jul - 08 Aug TAP
28 Jul - 13 Aug Scandinavian Airlines
14 Jul - 18 Jul TAP
28 Jul - 11 Aug TAP
21 Jul - 31 Jul TAP
06 Jul - 27 Jul TAP
28 Jul - 06 Aug TAP
29 Jul - 07 Aug Turkish Airlines
04 Jul - 18 Jul TAP
06 Jul - 10 Jul TAP
06 Jul - 11 Jul TAP
19 Jul - 23 Jul TAP
15 Jul - 23 Jul SWISS
22 Jul - 30 Jul SWISS
29 Jul - 05 Aug SWISS
22 Jul - 05 Aug SWISS
03 Jul - 16 Jul TAP
24 Jul - 02 Aug TAP
29 Jul - 10 Aug SWISS
29 Jul - 05 Aug Iberia direct

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

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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