AirHint found the following cheapest one-way flights from Ontario (ONT) to London (LHR) in July 2026 (see full year).
One-Way flights
| 06 Jul | Virgin Atlantic | ||
| 20 Jul | Virgin Atlantic | ||
| 19 Jul | Virgin Atlantic | ||
| 26 Jul | KLM | ||
| 27 Jul | Lufthansa | ||
| 23 Jul | Alaska Airlines | ||
| 17 Jul | KLM | ||
| 14 Jul | Alaska Airlines | ||
| 13 Jul | Alaska Airlines | ||
| 12 Jul | Virgin Atlantic |
Also check the deals for return flights from Ontario to London in July.
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