AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LHR) in July 2026 (see full year).
One-Way flights
| 20 Jul | Lufthansa | ||
| 16 Jul | jetBlue | ||
| 26 Jul | Air Canada | ||
| 26 Jul | Lufthansa | direct | |
| 15 Jul | jetBlue | ||
| 08 Jul | TAP | ||
| 19 Jul | United | direct | |
| 24 Jul | TAP | ||
| 20 Jul | United | direct | |
| 25 Jul | Air Canada |
Also check the deals for return flights from Chicago to London in July.
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