$153 Cheap Delta flights Toronto (YYZ) to Boston (BOS)

You’ll find affordable round-trip Delta Air Lines flights from $250 from YYZ to BOS by organizing your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $153 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 Boston are usually more affordable in the off-peak months of January and February. Whether you need a return or one-way ticket, you could find a better deal then.

To grab affordable flights from YYZ to BOS with Delta Air Lines, begin searching about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday offers 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.

Click on the “Nonstop” filter when searching for direct Delta Air Lines flights from YYZ to BOS. You can also compare other carriers servicing the same nonstop route.

Filter your results by “Morning” and “Early Morning” to see the earliest flights from YYZ to BOS. Taking off early means flight cancellations are less likely.**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.

Delta Air Lines flights from Pearson Intl. Airport (YYZ) to Boston touch down at Logan Intl. Airport (BOS). This is the main entry point here.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many passengers heading from YYZ to BOS. Plus, 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.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that. For more information about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to adjust your plans without extra charges, check the “No cancel fee” or “Changes included” filter when planning your next break.