Calgary (YYC) to Washington (IAD) flight deal in economy from $249

Air CanadaACAir Canada
Round Trip•Economy
CanadaYYC

Calgary International Airport

Calgary, Canada
United StatesIAD

Washington Dulles International Airport

Washington, United States
$434 USD
-43%$249 USD
Verified about 3 hours ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Wednesday, November 18th, 2026

2 round-trip options

Returning
Fri, Nov 27, 2026•9 Day Trip
$399 USD
Google Flights
Returning
Sat, Nov 28, 2026•10 Day Trip
$399 USD
Google Flights