AirHint found the following cheapest return flights from Chicago (ORD) to London (LGW) in July 2026 (see full year).
Return flights
| 29 Jul - 05 Aug | Icelandair | ||
| 18 Jul - 08 Aug | TAP | ||
| 02 Jul - 25 Jul | TAP | ||
| 01 Jul - 25 Jul | TAP | ||
| 11 Jul - 18 Jul | Icelandair |
Also check the deals for one-way flights from Chicago to London in July.
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