Cheap Delta flights Québec (YQB) to Washington (IAD)

You can discover cheap round-trip Delta Air Lines flights from YQB to IAD by organizing your results from “Price (lowest to highest)” on Expedia. Or search for bargains for a one-way trip.**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.

Delta Air Lines flights to Washington are often cheaper in the off-peak months of January and February. Whether you’re in search of a one-way or round-trip ticket, you could score a better deal then.

Snagging the best Delta Air Lines deals from YQB to IAD is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What’s more, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is usually the most expensive day to book.* It’s a good idea to start checking out flights about one month before your travel dates.*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.

Enter your dates, press search and check the “Nonstop” filter on Expedia to browse any direct flights from YQB to IAD with Delta Air Lines or another airline.

Search Delta Air Lines’s earliest flights from YQB to IAD by selecting the “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**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.

Washington Dulles Intl. Airport (IAD) is the main Washington hub for Delta Air Lines flights from Jean Lesage Intl. Airport (YQB).

Delta Air Lines makes flying from YQB to IAD more comfortable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning points with Delta SkyMiles. Don’t forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee is typically charged if you cancel or reschedule your flight more than 24 hours after it’s been confirmed. To secure flexible plane tickets, select our “Changes included” and “No cancel fee” boxes when you search for flights. For additional information on modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”