AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LHR) in August 2026 (see full year).
One-Way flights
| 19 Aug | jetBlue | ||
| 25 Aug | jetBlue | ||
| 24 Aug | Icelandair | ||
| 23 Aug | Icelandair | ||
| 03 Aug | Icelandair | ||
| 10 Aug | Icelandair | ||
| 09 Aug | Finnair | ||
| 21 Aug | Icelandair | ||
| 09 Aug | Lufthansa | direct | |
| 19 Aug | Lufthansa | direct |
Also check the deals for return flights from Chicago to London in August.
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