Cheapest return flights from Ottawa to London in March from $699

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

Return flights

06 Mar - 13 Mar KLM
25 Mar - 20 Apr KLM
11 Mar - 17 Mar KLM
25 Mar - 30 Mar Air Canada direct
01 Mar - 18 Mar Air Canada
02 Mar - 09 Mar Air Canada
22 Mar - 30 Mar Air Canada
20 Mar - 30 Mar Air France
10 Mar - 17 Mar Air Canada
08 Mar - 18 Mar Air Canada
25 Mar - 08 Apr Lufthansa direct
25 Mar - 06 Apr Air Canada
30 Mar - 13 Apr Air Canada direct
25 Mar - 20 Apr Lufthansa direct
20 Mar - 30 Mar Lufthansa direct
29 Mar - 12 Apr Air France
26 Mar - 04 Apr Air France
30 Mar - 08 Apr Air Canada direct
11 Mar - 06 Apr KLM
11 Mar - 06 Apr Air Canada direct

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

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