Cheapest return flights from Ottawa to London in April from $580

Best time to book flights for Ottawa (YOW) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Ottawa (YOW) to London (LHR) in April 2025 (see full year).

Return flights

01 Apr - 14 Apr Air France
04 Apr - 13 Apr Air France
04 Apr - 19 Apr Air Canada
07 Apr - 20 Apr Air Canada
05 Apr - 14 Apr Air Canada direct
02 Apr - 11 Apr Air Canada
01 Apr - 18 Apr Air Canada
22 Apr - 07 May Air France
22 Apr - 27 May Air France
01 Apr - 01 May Air France
17 Apr - 24 Apr Air Canada direct
10 Apr - 23 Apr Air Canada
10 Apr - 23 Apr Air Canada direct
23 Apr - 22 May Air Canada direct

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

Skyscanner

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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