Cheapest return flights from Ottawa to London in April from 586€

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

Return flights

30 Apr - 07 May Air Canada
30 Apr - 06 May Lufthansa direct

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

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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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