AirHint found the following cheapest return flights from London (LCY) to Ottawa (YOW) in November 2025 (see full year).
Return flights
| 27 Nov - 04 Dec | KLM | ||
| 26 Nov - 07 Dec | SWISS | ||
| 24 Nov - 25 Nov | Air Dolomiti | ||
| 28 Nov - 05 Dec | Aer Lingus |
Also check the deals for one-way flights from London to Ottawa in November.
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