Cheapest one-way flights from Ottawa to London in October from 293€

AirHint found the following cheapest one-way flights from Ottawa (YOW) to London (LHR) in October 2025 (see full year).

One-Way flights

24 Oct Porter Airlines (Canada) Ltd
21 Oct WestJet
28 Oct Porter Airlines (Canada) Ltd
23 Oct WestJet
20 Oct WestJet
27 Oct Air Canada
29 Oct Porter Airlines (Canada) Ltd
22 Oct WestJet
19 Oct WestJet
31 Oct WestJet

Also check the deals for return flights from Ottawa to London in October.

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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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