Cheapest return flights from Ottawa to London in April from 497€

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

Return flights

18 Apr - 22 Apr Air Transat
13 Apr - 26 Apr Porter Airlines (Canada) Ltd
29 Apr - 06 May WestJet
13 Apr - 20 Apr WestJet
13 Apr - 25 Apr Porter Airlines (Canada) Ltd
13 Apr - 29 Apr Porter Airlines (Canada) Ltd
06 Apr - 13 Apr WestJet
20 Apr - 24 Apr WestJet
22 Apr - 02 May Air Transat
04 Apr - 13 Apr Porter Airlines (Canada) Ltd
13 Apr - 27 Apr Porter Airlines (Canada) Ltd
08 Apr - 15 Apr Porter Airlines (Canada) Ltd

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

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