Cheapest return flights from Ontario to London in April from 798€

AirHint found the following cheapest return flights from Ontario (ONT) to London (LGW) in April 2026 (see full year).

Return flights

21 Apr - 29 Apr British Airways
21 Apr - 05 May British Airways
23 Apr - 29 Apr British Airways
14 Apr - 24 Apr British Airways
06 Apr - 02 May British Airways
22 Apr - 03 May British Airways
11 Apr - 02 May British Airways
23 Apr - 03 May British Airways
01 Apr - 25 Apr British Airways
03 Apr - 25 Apr Iberia
10 Apr - 13 Apr British Airways
19 Apr - 09 May British Airways
05 Apr - 25 Apr British Airways
03 Apr - 11 Apr British Airways
26 Apr - 05 May British Airways
05 Apr - 11 Apr British Airways
12 Apr - 02 May British Airways
07 Apr - 17 Apr British Airways

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

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