Cheapest one-way flights from Ottawa to London in July from $327

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

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

One-Way flights

09 Jul WestJet
13 Jul WestJet
26 Jul Porter Airlines (Canada) Ltd
29 Jul WestJet
24 Jul Porter Airlines (Canada) Ltd
27 Jul Porter Airlines (Canada) Ltd
28 Jul WestJet
25 Jul Porter Airlines (Canada) Ltd
14 Jul Porter Airlines (Canada) Ltd
30 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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