Cheapest one-way flights from Ottawa to London in July from $335

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

One-Way flights

15 Jul Porter Airlines (Canada) Ltd
16 Jul Porter Airlines (Canada) Ltd
21 Jul Porter Airlines (Canada) Ltd
13 Jul Porter Airlines (Canada) Ltd
29 Jul Porter Airlines (Canada) Ltd
26 Jul Porter Airlines (Canada) Ltd
31 Jul Porter Airlines (Canada) Ltd
24 Jul Porter Airlines (Canada) Ltd
21 Jul Air Canada direct
27 Jul Porter Airlines (Canada) Ltd

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

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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