Cheapest return flights from Quebec to Washington in September from $431

Best time to book flights for Quebec (YQB) to Washington (IAD) flights at AirHint

AirHint found the following cheapest return flights from Quebec (YQB) to Washington (IAD) in September 2025 (see full year).

Return flights

02 Sep - 05 Sep Porter Airlines (Canada) Ltd
02 Sep - 19 Sep Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Quebec to Washington in September.

Skyscanner

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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