How much does it cost to fly round-trip from Boston to Toronto?

Airfare is below average for this route at the moment. Boston to Toronto flights typically cost between $234 and $399 in October. The cheapest round-trip price found within the last 3 days was $210 on Air Canada (Oct 30-Nov 2).

How long is the flight from Boston to Toronto?

Porter Airlines, Air Canada, and United Airlines can get you from Boston to Toronto in just under 1h 55m. Your travel time can differ by up to 5h 43m. The distance between Boston and Toronto is about 432 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boston to Toronto round-trip?

Porter Airlines, at $127, was found to be the cheapest airline from Boston to Toronto.Alternate airlines to your destination round-trip include Air Canada and Air Transat. Porter Airlines is priced at 60% lower than the current average price of a flight leaving 3 months from now.

How far ahead should I book a flight from Boston to Toronto?

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Toronto?

Currently, January is the cheapest month in which you can book a flight from Boston to Toronto (average of $243). Flying from Boston to Toronto in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Boston to Toronto?

Travelers seeking maximum savings on their Boston to Toronto flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Toronto

The most flights from BOS to YTO are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).

In terms of precipitation, rainfall in Toronto ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What are the cheapest flights from Boston to Toronto?

While on average a flight from Boston to Toronto is generally $673, our data shows the cheapest flight currently is $80. When looking at the most popular route, (Boston Logan Intl - Toronto Pearson Intl), you can expect to pay $224 for that flight.

What are the most reliable airlines from Boston to Toronto?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Toronto on time: Brussels Airlines (86%), ITA Airways (81%), Jazz (73%).

What are the most popular airlines that fly from Boston to Toronto?

Consider American Airlines, Air Canada or Porter Airlines when booking your flight. These represent the most popular airlines when flying from Boston to Toronto.

What is the cheapest time of day to fly from BOS to YTO?

A simple way to save on the total cost of your ticket is to fly from Boston to Toronto at noon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the afternoon.

Most accurate provider : When it comes to deals on Boston-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Toronto flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boston-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Boston to Toronto?

Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Toronto. On average, Logan Intl has 18 outbound flights to Toronto per day from 5 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

Can I find deals for flights from Boston to Toronto that include hotel bookings?

Yes. In addition to deals on Boston to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Toronto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Toronto.

Can I find deals for business class flights from Boston to Toronto?

Yes. Cheapflights offers flight deals from Boston to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$96+ Cheap Flights from Boston to Toronto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$210 (Booking.com)
One-way from	$96 (Kiwi.com)
Popular in	November
Cheapest in	March
Average price	$306
Good round-trip deal	$235 or less
Good one-way deal	$114 or less

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars

Porter offers free snacks and drinks with no middle seats, enhancing short-haul comfort.

PorterReserve includes expedited security and early boarding, ideal for business travelers.

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$127	Average$293	FlexibilityNo cancel fee	On-time52%
Air Canada	Cheapest$209	Average$364	FlexibilityNo cancel fee	On-time67%
Air Transat	Cheapest$229	Average$355	FlexibilityNo cancel fee	On-time50%
United Airlines	Cheapest$246	Average$385	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$286	Average$346	FlexibilityNo cancel fee	On-time71%

$96+ Cheap flights from Boston (BOS) to Toronto (YTO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Toronto with Cheapflights

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Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in March or July, booked 51 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Boston to Toronto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Boston to Toronto

Cheapest flights from Boston to TorontoExplore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.

Explore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Toronto that are best for you.

Compare providers for flights from Boston to Toronto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Toronto in October.

The best insider tips for Boston to Toronto flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Toronto trip

Airlines

Porter Airlines

Air Canada

Airports

BOS

YYZ

YTZ

Our travel experts

Best time to book a flight from Boston to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Boston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boston to Toronto

How far ahead should I book a flight from Boston to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Toronto. Price data was last updated on September 26, 2025.

What is the cheapest month to book a flight from Boston to Toronto?

What is the cheapest time of day to fly from BOS to YTO?

Find hourly flight availability from Boston to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 1, 2025.

What is the cheapest day to fly from Boston to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Boston to Toronto. Price data was last updated on December 16, 2024.

Weekly flight availability from Boston to Toronto

Explore weekly flight availability from Boston to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 1, 2025.

How much does it cost to fly round-trip from Boston to Toronto?

Reviews of airlines servicing Toronto

Peruse reviews from past customers who have flown with Delta, Porter Airlines, and Air Transat from Boston to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Boston to Toronto?

How long is the flight from Boston to Toronto?

What are the cheapest airlines flying from Boston to Toronto round-trip?

What are the most reliable airlines from Boston to Toronto?

What are the cheapest flights from Boston to Toronto?

Can I find deals for flights from Boston to Toronto that include hotel bookings?

How can I find direct flights from Boston to Toronto?

Can I find deals for business class flights from Boston to Toronto?

What is the cheapest month to book a flight from Boston to Toronto?

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Alternative routes for Boston to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Boston to Toronto

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Cheapest flights from Boston to Toronto
Explore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.