Cheapest return flights from Ottawa to London in August from $769

AirHint found the following cheapest return flights from Ottawa (YOW) to London (LHR) in August 2026 (see full year).

Return flights

28 Aug - 12 Sep Air Canada
08 Aug - 19 Aug Air Canada direct
10 Aug - 21 Aug Air Canada
03 Aug - 17 Aug Lufthansa direct
13 Aug - 20 Aug Air Canada direct
17 Aug - 23 Aug Air Canada
16 Aug - 23 Aug Air Canada
03 Aug - 03 Aug Air Canada

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

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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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