Cheapest one-way flights from Ottawa to London in October from 230€

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

One-Way flights

29 Oct Porter Airlines (Canada) Ltd
27 Oct WestJet
30 Oct Porter Airlines (Canada) Ltd
04 Oct Air Transat
05 Oct Air Transat
03 Oct WestJet
19 Oct Air Transat
06 Oct WestJet
02 Oct WestJet
01 Oct WestJet

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

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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