Cheap flights from Washington, D.C. Dulles Intl Airport to Calgary from C$ 181

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$ 548, 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 September instead. Flights to Calgary in September, while not as cheap as those in October, still average around C$ 673.

The cheapest day to depart on your flight to Calgary is on a Thursday when prices can be found for as low as C$ 601. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday 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$ 672.

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Calgary flights are usually those with departure times in the evening. Our users have found flights to Calgary in the evening for as low as C$ 341. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 790 on average. Flights to Calgary from Washington, D.C. Dulles Intl Airport in the afternoon 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$ 737 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$ 509 on momondo.

There is only 1 cabin class available to choose from on Washington, D.C. Dulles Intl Airport to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Calgary.

As of September 2026, prices for Washington, D.C. Dulles Intl Airport to Calgary flights are approximately 13% more expensive when compared to flights at the same time last year.