Cheap flights from Washington, D.C. Dulles Intl Airport to Calgary from C$ 101

The cheapest month to fly to Calgary from Washington, D.C. Dulles Intl Airport is in October. Flight prices, which tend to average around C$ 479, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Calgary from Washington, D.C. Dulles Intl Airport during May instead. Flights to Calgary in May, while not as cheap as those in October, still average around C$ 481.

The cheapest day to depart on your flight to Calgary is on a Tuesday when prices can be found for as low as C$ 92. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 973.

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Calgary flights are usually those with departure times in the afternoon. Our users have found flights to Calgary in the afternoon for as low as C$ 355. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 974 on average. Flights to Calgary from Washington, D.C. Dulles Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Washington, D.C. Dulles Intl to Calgary for the best Washington, D.C. Dulles Intl - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 582 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Washington, D.C. Dulles Intl Airport for as low as C$ 404 on momondo.

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 55% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Calgary flight.

As of March 2026, prices for Washington, D.C. Dulles Intl Airport to Calgary flights are approximately 20% cheaper when compared to flights at the same time last year.