Cheap flights from Washington, D.C. to Calgary from C$ 118

The cheapest month to fly to Calgary from Washington, D.C. is in October. Flight prices, which tend to average around C$ 318, 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. during September instead. Flights to Calgary in September, while not as cheap as those in October, still average around C$ 398.

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. because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 976.

Our data shows that the cheapest Washington, D.C. 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$ 413. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 978 on average. Flights to Calgary from Washington, D.C. 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. - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 585 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. for as low as C$ 405 on momondo.

There are 2 cabin classes available to choose from on Washington, D.C. 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. to Calgary flight.

As of February 2026, prices for Washington, D.C. to Calgary flights are approximately 5% more expensive when compared to flights at the same time last year.

Air Canada, United Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Calgary

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Calgary from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 3 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average round-trip price of C$ 316.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 26m.

Denver (DEN) has the shortest average layover time for this route: 1h 23m.