Cheapest return flights from Ottawa to London in March from $555

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

Return flights

06 Mar - 13 Mar Air Transat
01 Mar - 15 Mar Air Transat
01 Mar - 18 Mar Air Transat
04 Mar - 11 Mar Air Transat
29 Mar - 05 Apr WestJet
27 Mar - 03 Apr Porter Airlines (Canada) Ltd
19 Mar - 22 Mar Porter Airlines (Canada) Ltd
22 Mar - 25 Mar Porter Airlines (Canada) Ltd
30 Mar - 05 Apr Porter Airlines (Canada) Ltd
25 Mar - 01 Apr Porter Airlines (Canada) Ltd
18 Mar - 22 Mar Porter Airlines (Canada) Ltd
17 Mar - 27 Mar Porter Airlines (Canada) Ltd
30 Mar - 06 Apr Porter Airlines (Canada) Ltd
11 Mar - 20 Mar Porter Airlines (Canada) Ltd
25 Mar - 29 Mar Porter Airlines (Canada) Ltd
14 Mar - 05 Apr Porter Airlines (Canada) Ltd
15 Mar - 06 Apr Air Transat

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

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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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