Cheapest return flights from Ottawa to London in March from $575

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

Return flights

19 Mar - 25 Mar Air France
01 Mar - 11 Mar KLM
25 Mar - 18 Apr KLM
22 Mar - 30 Mar Lufthansa
01 Mar - 11 Mar Air Canada direct
25 Mar - 18 Apr Lufthansa direct
20 Mar - 28 Mar Lufthansa
15 Mar - 22 Mar Lufthansa
13 Mar - 20 Mar Air France

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

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