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Flights from Washington-Dulles

New bookings only. Book by 11:59 pm Eastern Time April 23, 2019. Travel by June 26, 2019. Up to 21-day advance purchase required. Select destinations may be excluded from the advertised discount. This offer may not be available for the entire travel period. Discount is not applicable on itineraries that include a partner airline flight segment, on VIPorter redemption bookings, or Porter Escapes packages. Discount applies only to the regular base fare and does not apply to fees, taxes or surcharges. Full fare breakdown available for all itineraries on Fares include all applicable government-imposed taxes and mandatory fees, which may amount to as much as $150 one-way per passenger, depending on routing. Foreign taxes will fluctuate based on the prevailing exchange rate. Fees for optional services, such as itinerary changes, additional baggage, seat selection, or certain special service requests, may increase overall cost. Fares are non-refundable but itineraries for Standard, Flexible and Freedom fares may be changed for a fee of up to $150 per person per direction, plus any fare differential plus taxes. Flight changes are not permitted on Basic fare. Other significant conditions (including a minimum of $32.50 first-checked bag and $50 second-checked bag fee for Basic, Standard, Flexible and Freedom Fares and charges for overweight and/or excess baggage) may change without notice and are not guaranteed until ticketed. For Basic fare, a standard carry-on article is not permitted onboard and must be checked for a fee. Visit for more information. In case of any discrepancy between advertised fares and the fares shown on the website at the time of booking, the latter shall prevail. Advance purchase is required: Boston-Toronto: 21 day; Boston-Ottawa: 21 day; Boston-Montreal: 21 day; Boston-Thunder Bay: 21 day; Boston-Quebec City: 21 day; Boston-Sudbury: 21 day; Boston-Timmins: 21 day; Boston-Sault Ste Marie: 21 day; Boston-Windsor: 21 day; Boston-Mont Tremblant: 21 day. Chicago-Toronto: 21 day; Chicago-Ottawa: 21 day; Chicago-Montreal: 21 day; Chicago-Thunder Bay: 21 day; Chicago-Quebec City: 21 day; Chicago-Sudbury: 21 day; Chicago-Timmins: 21 day; Chicago-Sault Ste Marie: 21 day; Chicago-Windsor: 21 day; Chicago-Mont Tremblant: 21 day. Newark-Toronto: 21 day; Newark-Ottawa: 21 day; Newark-Montreal: 21 day; Newark-Thunder Bay: 21 day; Newark-Quebec City: 21 day; Newark-Sudbury: 21 day; Newark-Timmins: 21 day; Newark-Sault Ste Marie: 21 day; Newark-Windsor: 21 day; Newark-Mont Tremblant: 21 day. Dulles-Toronto: 21 day; Dulles-Ottawa: 21 day; Dulles-Montreal: 21 day; Dulles-Thunder Bay: 21 day; Dulles-Quebec City: 21 day; Dulles-Sudbury: 21 day; Dulles-Timmins: 21 day; Dulles-Sault Ste Marie: 21 day; Dulles-Windsor: 21 day; Dulles-Mont Tremblant: 21 day.

Porter Airlines reserves the right to modify or change these terms and conditions at any time without prior notice.