Cheapest return flights from Ottawa to London in April from $669

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

AirHint found the following cheapest return flights from Ottawa (YOW) to London (LGW) in April 2025 (see full year).

Return flights

06 Apr - 16 Apr Porter Airlines (Canada) Ltd
07 Apr - 17 Apr Air Transat
02 Apr - 10 Apr Air Transat
28 Apr - 05 May Air Transat
27 Apr - 01 May Air Transat
01 Apr - 15 Apr Air Transat
16 Apr - 17 Apr Air Transat
16 Apr - 28 Apr Air Transat
03 Apr - 14 Apr Air Transat
17 Apr - 01 May Air Transat
02 Apr - 11 Apr Air Transat
10 Apr - 14 May Air Transat
09 Apr - 15 Apr Air Transat
02 Apr - 13 Apr Porter Airlines (Canada) Ltd
11 Apr - 15 May Porter Airlines (Canada) Ltd
24 Apr - 08 May Porter Airlines (Canada) Ltd

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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