Cheapest return flights from Chicago to London in July from 698€

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

30 Jul - 20 Aug Finnair direct
21 Jul - 30 Jul TAP
08 Jul - 15 Jul jetBlue
25 Jul - 10 Aug TAP
14 Jul - 28 Jul TAP
06 Jul - 20 Jul TAP
11 Jul - 18 Jul TAP
16 Jul - 23 Jul SWISS
18 Jul - 28 Jul TAP
04 Jul - 08 Jul Lufthansa
22 Jul - 30 Jul SWISS
08 Jul - 15 Jul Iberia direct
03 Jul - 10 Aug TAP
15 Jul - 11 Aug SWISS
30 Jul - 09 Aug SWISS
09 Jul - 11 Aug SWISS
15 Jul - 06 Aug SWISS
15 Jul - 05 Aug United
30 Jul - 06 Aug United
15 Jul - 11 Aug Finnair 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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