Cheapest return flights from Washington to Toronto in April from $320

AirHint found the following cheapest return flights from Washington (IAD) to Toronto (YTZ) in April 2026 (see full year).

Return flights

05 Apr - 14 Apr Porter Airlines (Canada) Ltd direct
05 Apr - 09 Apr Porter Airlines (Canada) Ltd direct
04 Apr - 14 Apr Porter Airlines (Canada) Ltd direct
04 Apr - 09 Apr Porter Airlines (Canada) Ltd direct
06 Apr - 14 Apr Porter Airlines (Canada) Ltd direct
06 Apr - 09 Apr Porter Airlines (Canada) Ltd direct
24 Apr - 28 Apr Porter Airlines (Canada) Ltd direct
16 Apr - 28 Apr Porter Airlines (Canada) Ltd direct
11 Apr - 14 Apr Porter Airlines (Canada) Ltd direct
11 Apr - 28 Apr Porter Airlines (Canada) Ltd direct

Also check the deals for one-way flights from Washington to Toronto in April.

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