Cheapest one-way flights from Washington to Toronto in December from 81€

AirHint found the following cheapest one-way flights from Washington (IAD) to Toronto (YTZ) in December 2025 (see full year).

One-Way flights

02 Dec Porter Airlines (Canada) Ltd direct
11 Dec Porter Airlines (Canada) Ltd direct
06 Dec Porter Airlines (Canada) Ltd direct
09 Dec Porter Airlines (Canada) Ltd direct
10 Dec Porter Airlines (Canada) Ltd direct
08 Dec Porter Airlines (Canada) Ltd direct
12 Dec Porter Airlines (Canada) Ltd direct
01 Dec Porter Airlines (Canada) Ltd direct
04 Dec Porter Airlines (Canada) Ltd direct
07 Dec Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Washington to Toronto in December.

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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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