Cheapest return flights from Chicago to London in July from $643

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

Return flights

20 Jul - 20 Aug Iberia direct
14 Jul - 28 Jul American Airlines
06 Jul - 24 Jul American Airlines
08 Jul - 21 Jul American Airlines
21 Jul - 04 Aug SWISS
14 Jul - 28 Jul Iberia direct
08 Jul - 21 Jul Iberia direct
21 Jul - 04 Aug Iberia direct
29 Jul - 08 Aug American Airlines
06 Jul - 24 Jul British Airways direct
09 Jul - 21 Jul American Airlines
10 Jul - 21 Jul American Airlines
09 Jul - 31 Jul American Airlines
26 Jul - 08 Aug American Airlines
15 Jul - 02 Aug Air Canada
18 Jul - 03 Aug Air Canada
16 Jul - 05 Aug Lufthansa
18 Jul - 02 Aug Air Canada
29 Jul - 08 Aug British Airways direct
09 Jul - 31 Jul Iberia direct

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

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