Cheapest return flights from Ottawa to London in April from 548€

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

Return flights

13 Apr - 20 Apr Porter Airlines (Canada) Ltd
13 Apr - 27 Apr Porter Airlines (Canada) Ltd
13 Apr - 22 Apr Porter Airlines (Canada) Ltd
14 Apr - 23 Apr Air Transat
14 Apr - 25 Apr Air Transat
24 Apr - 15 May Air Transat
30 Apr - 06 May Air Transat
25 Apr - 16 May Air Transat
28 Apr - 04 May Porter Airlines (Canada) Ltd
16 Apr - 07 May Air Transat
22 Apr - 30 Apr Air Transat
11 Apr - 26 Apr Porter Airlines (Canada) Ltd
20 Apr - 29 Apr WestJet
05 Apr - 11 Apr Air Transat
20 Apr - 02 May Air France
18 Apr - 02 May Air Transat
15 Apr - 30 Apr Porter Airlines (Canada) Ltd
17 Apr - 01 May Porter Airlines (Canada) Ltd
22 Apr - 02 May Air Transat

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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