$231 Cheap United flights Washington (IAD) to Toronto (YYZ)

Landing cheap one-way United Airlines flights from IAD to YYZ from $231 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $239 for your next exciting 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 round-trip flights to Toronto in January or February. You could find an affordable fare with United Airlines during these off-season months.

To discover cheap flights from IAD to YYZ with United Airlines, start your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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.

United Airlines offers direct flights from Washington Dulles Intl. Airport (IAD) to Pearson Intl. Airport (YYZ), with 21 weekly departures. Just apply the “Nonstop” and “Airline” filters while searching on Expedia to show all direct United Airlines flights to YYZ.

It takes approximately 1h 41m to fly nonstop from Washington Dulles Intl. Airport (IAD) to Pearson Intl. Airport (YYZ) with United Airlines.

If you’re looking for flexibility, Thursday offers the most choice for United Airlines flights from Washington Dulles Intl. Airport (IAD) to Pearson Intl. Airport (YYZ). You can select from 3 different departures.

Taking off from IAD at 8:15AM UTC-5, the earliest United Airlines flight to YYZ arrives at 9:58AM UTC-5. Flying earlier in the day means you’re less likely to encounter delays or cancellations.* After something later? The last United Airlines flight from IAD to YYZ departs at 5:17PM UTC-5 and touches down at 6:57PM UTC-5.*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.

When taking off from Washington Dulles Intl. Airport (IAD) to Toronto with United Airlines, you’re most likely to touch down at Pearson Intl. Airport (YYZ). This is the airline’s main hub in this destination. Other nearby airports like Buffalo Niagara Intl. Airport (BUF) and Billy Bishop Toronto City Airport (YTZ) may offer more affordable fares, so it’s a smart idea to check out all options on Expedia.

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to leave from IAD to YYZ with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It’s yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Chances are you’ll be flying on an Embraer 175 for your United Airlines flight from Washington Dulles Intl. Airport (IAD) to Pearson Intl. Airport (YYZ). However, you could be switched to a different aircraft if operational demands require it.

Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without additional costs, apply the “Changes included” and “No cancel fee” filters when planning your next getaway.