Cheapest return flights from Ottawa to London in March from $665

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

Return flights

08 Mar - 13 Mar Virgin Atlantic
09 Mar - 19 Mar KLM
08 Mar - 18 Mar Air France
18 Mar - 25 Mar KLM
20 Mar - 30 Mar Air France
24 Mar - 06 Apr Air France
20 Mar - 05 Apr Air France
31 Mar - 07 Apr Air France
08 Mar - 18 Mar Lufthansa direct
01 Mar - 08 Mar Lufthansa direct
18 Mar - 26 Mar Air Canada
20 Mar - 06 Apr Lufthansa direct
12 Mar - 16 Mar Lufthansa
15 Mar - 22 Mar Air France

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

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