Cheapest return flights from Washington to Toronto in May from 160€

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

Return flights

25 May - 01 Jun Porter Airlines (Canada) Ltd direct
25 May - 30 May Porter Airlines (Canada) Ltd direct
16 May - 17 May Porter Airlines (Canada) Ltd direct
28 May - 01 Jun Porter Airlines (Canada) Ltd direct
16 May - 18 May Porter Airlines (Canada) Ltd direct
27 May - 31 May Porter Airlines (Canada) Ltd direct
25 May - 31 May Porter Airlines (Canada) Ltd direct
28 May - 31 May Porter Airlines (Canada) Ltd direct
26 May - 02 Jun Porter Airlines (Canada) Ltd direct
01 May - 23 May Porter Airlines (Canada) Ltd direct
15 May - 17 May Porter Airlines (Canada) Ltd direct
24 May - 31 May Porter Airlines (Canada) Ltd direct
25 May - 26 May Porter Airlines (Canada) Ltd direct
29 May - 01 Jun Porter Airlines (Canada) Ltd direct
29 May - 06 Jun Porter Airlines (Canada) Ltd direct
29 May - 15 Jun Porter Airlines (Canada) Ltd direct
29 May - 16 Jun Porter Airlines (Canada) Ltd direct
29 May - 18 Jun Porter Airlines (Canada) Ltd direct
24 May - 02 Jun Porter Airlines (Canada) Ltd direct
25 May - 06 Jun Porter Airlines (Canada) Ltd direct

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

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