Cheapest return flights from Ottawa to London in April from $738

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

Return flights

26 Apr - 16 May Air Canada
27 Apr - 23 May Air Canada
08 Apr - 16 Apr Air France
09 Apr - 02 May Air France
02 Apr - 06 Apr Air Canada direct
10 Apr - 18 Apr Air Canada
09 Apr - 02 May Lufthansa direct

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

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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