Cheapest one-way flights from Washington to Toronto in October from $78
AirHint found the following cheapest one-way flights from Washington (IAD) to Toronto (YTZ)
in October 2025 (see full year ).
One-Way flights
19 Oct
Porter Airlines (Canada) Ltd
$ 78
direct
07 Oct
Porter Airlines (Canada) Ltd
$ 80
direct
06 Oct
Porter Airlines (Canada) Ltd
$ 80
direct
12 Oct
Porter Airlines (Canada) Ltd
$ 81
direct
10 Oct
Porter Airlines (Canada) Ltd
$ 87
direct
29 Oct
Porter Airlines (Canada) Ltd
$ 87
direct
30 Oct
Porter Airlines (Canada) Ltd
$ 88
direct
23 Oct
Porter Airlines (Canada) Ltd
$ 88
direct
03 Oct
Porter Airlines (Canada) Ltd
$ 88
direct
24 Oct
Porter Airlines (Canada) Ltd
$ 89
direct
Also check the deals for return flights from Washington to Toronto in October .
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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