Cheapest return flights from Ottawa to London in November from $773

Best time to book flights for Ottawa (YOW) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Ottawa (YOW) to London (LHR) in November 2025 (see full year).

Return flights

30 Nov - 12 Dec Air Canada

Also check the deals for one-way flights from Ottawa to London in November.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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