$132 Cheap Delta flights Washington (IAD) to Calgary (YYC)

Finding cheap one-way Delta Air Lines flights from IAD to YYC from $132 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $316 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for one-way or return flights to Calgary in January or November. You could find cheaper fares with Delta Air Lines during these off-season months.

Start your search for Delta Air Lines flights from IAD to YYC about one month before you want to leave. The cheapest time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use the “Nonstop” filter when searching for direct Delta Air Lines flights from IAD to YYC. You’ll also be able to compare other carriers servicing the same direct trip.

Find Delta Air Lines’s earliest flights from IAD to YYC by selecting our “Early Morning” and “Morning” filters. Not only will you get to where you’re going sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on a Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Calgary, and you’ll likely arrive at Calgary Intl. Airport (YYC). This is the airline’s main hub in this destination.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many travelers flying from IAD to YYC. Also, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee typically applies if you change or cancel your booking more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when searching for flights. For more details on canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”