Cheapest return YOW–LGW flights, May

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

Return flights

22 May - 29 May Air Transat direct
31 May - 13 Jun Air Transat
22 May - 05 Jun Air Transat direct
31 May - 09 Jun Air Transat direct
22 May - 02 Jun Air Transat direct
22 May - 09 Jun Air Transat direct
24 May - 14 Jun Air Transat direct
22 May - 31 May Air Transat
28 May - 02 Jun Air Transat
22 May - 06 Jun Air Transat
25 May - 01 Jun Porter Airlines (Canada) Ltd
19 May - 02 Jun Porter Airlines (Canada) Ltd
21 May - 30 May Air Transat
19 May - 26 May Air Transat
22 May - 27 May Air Transat
08 May - 25 May Air Transat
23 May - 28 May Porter Airlines (Canada) Ltd
14 May - 31 May Porter Airlines (Canada) Ltd
14 May - 21 May Porter Airlines (Canada) Ltd
15 May - 29 May Air Transat

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

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