$64 Cheap Flights from Washington (IAD) to Calgary (YYC)

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Calgary (IAD-YYC)

Prices were available within the past 7 days and start at $64 for one-way flights and $163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
United
WestJet
WestJet
United
WestJet
Air Canada
Air Canada
American Airlines
Delta
Flights from Washington (IAD) to Calgary (YYC)
Origin airport
Washington Dulles Intl.
Destination airport
Calgary Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, Porter Airlines, United, WestJet
Roundtrip price
$162
Distance
1946 mi

Washington to Calgary Flights

The cheapest times to fly from Washington to Calgary

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Calgary are during the month of June. You can find some of the cheapest flights from Washington to Calgary with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Calgary

Sunday is one of the best days to book for cheap flights from Washington to Calgary: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Washington to Calgary

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Calgary in 2025. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Calgary flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Calgary airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC) cost?
You can book cheap return flights starting from $189 from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a WestJet flight leaving IAD on May 14 2025 and touching down at YYC. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from IAD to YYC?
The cheapest flights from IAD to YYC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to YYC?
With prices as low as $64 for a one-way journey from IAD to YYC, WestJet is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on June 30 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC)?
You’ll have to catch a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from IAD to YYC?
Usually you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IAD to YYC?
Consider booking with United Airlines if you’d like to go straight from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC) without any holdups. This airline has the best track record for punctuality, with an on-time score of 96%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC)?
To touch down at Calgary Intl. Airport (YYC) on time, opt for a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC) last-minute?
Last-minute bookings from IAD to YYC are usually more expensive. To lock in the lowest rates, start searching for flights ahead of time. That said, if you’re flexible with your travel dates, it’s possible to land a cheap fare right before your trip.
Is it cheaper to book an IAD to YYC flight and hotel package?
Securing an IAD to YYC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Calgary Intl. Airport (YYC)?
Typically, it’s possible to cancel or reschedule your IAD to YYC flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.