Open interactive map →Cheap flights from Boston to Toronto
Cheap flights from Boston to Toronto, Canada currently start at €83. Multiple carriers serve this route at competitive fares. Both direct and connecting flights operate between Boston and Toronto. Browse the month-by-month price calendar below to find when fares are lowest, then click through to book.
Prices to Toronto are typically lowest in the shoulder months shown in the calendar above. Searching for mid-week flights and avoiding school holiday windows can meaningfully cut costs on this route. If you're open on destination, use the interactive map from Boston to compare Toronto against nearby alternatives - you may find a cheaper fare to a similar destination. See all flights from Boston to Canada→
Cheapest month to fly
- August 2026€831 stopCheapest
Based on tracked fares, August is the cheapest month to fly this route at around €83.
Prices last updated: July 2026
Alternative routes
Other ways to reach Toronto
Frequently asked questions
How much does a flight from Boston to Toronto cost?
The cheapest fare currently available from Boston to Toronto is €83. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Boston to Toronto?
SkyHopp tracks both direct and connecting flights from Boston to Toronto. Connecting flights are often priced lower but add travel time due to the layover. Whether a non-stop option exists on specific dates depends on airline schedules - use the "Direct only" filter on the interactive map to see non-stop options, or check the booking site for a full breakdown by stop count.
When is the cheapest time to fly from Boston to Toronto?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Boston. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.
Which airlines fly from Boston to Toronto?
Multiple carriers operate flights between Boston and Toronto, with availability and pricing varying by date and season. Airline options and schedules change throughout the year, especially around peak travel periods when additional capacity is often added. Click through to our partner booking site to see the full list of airlines, departure times, and fare classes available for your chosen dates.