Cheapest return flights from Ottawa to London in April from $642

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

Return flights

23 Apr - 30 Apr Air Transat
20 Apr - 15 May Air Transat
26 Apr - 29 Apr Air Transat
01 Apr - 09 Apr Air Transat
27 Apr - 30 Apr Air France
10 Apr - 25 Apr Air France
24 Apr - 08 May Porter Airlines (Canada) Ltd
01 Apr - 04 Apr Air Transat
08 Apr - 23 Apr Porter Airlines (Canada) Ltd
11 Apr - 25 Apr Porter Airlines (Canada) Ltd

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

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