Find flights
Deals
When to book
FAQs

Cheap flights from Boston to Toronto from £79

BOS — YTO
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in July or January, booked 62 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Cheap flight deals from Boston to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Toronto

Thu 10/1211:15 -
Nonstop2h 01m
Thu 17/1208:30 -
Nonstop1h 42m
Deal found 26/10£177
Thu 10/1205:30 -
1 stop6h 21m
Thu 17/1210:45 -
1 stop4h 08m
Deal found 26/10£178
Thu 10/1216:35 -
Nonstop1h 55m
Thu 17/1210:45 -
1 stop4h 08m
Deal found 26/10£186
Tue 24/1113:15 -
1 stop5h 42m
Thu 3/1207:20 -
Nonstop1h 50m
Deal found 25/10£212
Sat 21/1108:00 -
Nonstop1h 54m
Sun 22/1110:25 -
1 stop6h 18m
Deal found 29/10£212
Mon 23/1119:50 -
Nonstop1h 54m
Mon 7/1210:35 -
1 stop6h 11m
Deal found 25/10£214
Mon 23/1108:00 -
Nonstop1h 54m
Sat 5/1209:00 -
2 stops7h 46m
Deal found 25/10£218
Mon 14/1217:30 -
Nonstop2h 10m
Mon 21/1220:55 -
Nonstop1h 42m
Deal found 30/10£221
Mon 14/1208:00 -
Nonstop1h 55m
Mon 21/1215:20 -
1 stop6h 08m
Deal found 30/10£221
Thu 19/1109:10 -
1 stop8h 04m
Sun 22/1107:50 -
1 stop4h 35m
Deal found 27/10£227
Mon 23/1116:35 -
Nonstop1h 54m
Fri 4/1209:00 -
2 stops7h 46m
Deal found 25/10£227
Tue 24/1113:15 -
1 stop5h 13m
Sat 5/1209:00 -
2 stops7h 46m
Deal found 25/10£231

Find flight deals from Boston to Toronto

Round-trip from

£177

One-way from

£79

Popular in

November

Cheapest in

July

Average price

£263

Good one-way deal

£136 or less
Air Canada
  • Air Canada
  • 10/12-17/12
  • Nonstop
  • 3h 43m total
  • Boston to Toronto
Search Deals
Air Canada
  • Air Canada
  • 20/4-31/12
  • 1 total stop
  • 4h 37m total
  • Boston to Toronto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Tue 20/4

05:30-10:07

1 stop4h 37m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 27/11

07:00-13:24

1 stop6h 24m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£91

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 19/11

06:05-11:19

1 stop5h 14m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£91

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 12/11

15:01-21:15

1 stop6h 14m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£110

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Mon 16/11

15:01-21:15

1 stop6h 14m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£110

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Wed 18/11

10:00-17:54

1 stop7h 54m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 18/12

06:00-19:59

1 stop13h 59m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Sun 20/12

07:15-21:24

1 stop14h 09m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Tue 15/12

13:15-18:29

1 stop5h 14m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£124

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Mon 30/11

13:15-18:28

1 stop5h 13m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£125

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
5

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.
Estimated return price

Cheapflights Insights

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

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

Currently, July is the cheapest month in which you can book a flight from Boston to Toronto (average of £215). Flying from Boston to Toronto in November is currently the most expensive (average of £307). 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 time of day to fly from BOS to YTO?

When flying from Boston to Toronto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 49% versus a flight in the evening.

How much does it cost for a return flight from Boston to Toronto?

Airfare is below average for this route at the moment.
Boston to Toronto flights typically cost between £221 and £417 in December.
The cheapest return price found within the last 5 days was £177 on Air Canada (10 Dec–17 Dec).

How often are flights from Boston to Toronto delayed?

About 24% of weekly flights between Boston and Toronto have experienced delays in the past year, with the average delay time being 126 minutes.

What is the most punctual flight time for Boston to Toronto flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Toronto flights?

Over the past year, Porter Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.

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

Booking 61 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.

Related info for your journey

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

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Toronto. 2 airlines have flights from Logan Intl to Toronto on a regular basis. Booking flights from Boston Logan Intl to Toronto should not be difficult; the airport handles an average of 12 outbound flights to Toronto per day.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines and Delta fly from Boston to Toronto in about 1h 54m. The time it takes to get you to your destination can typically vary by up to 6h 10m. Boston and Toronto are separated by a distance of 432 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Cheapflights users have booked flights from Boston to Toronto round-trip from £144. Another airline that can offer you cheap pricing is Porter Airlines. Users have found that Air Canada is 41% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Boston to Toronto?

    Consider ITA Airways (72%), Brussels Airlines (71%) or United Airlines (57%) when booking your flight. These represent the most reliable airlines when flying from Boston to Toronto.

  • 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 holiday 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.

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

    Currently, July is the cheapest month in which you can book a flight from Boston to Toronto (average of £215). Flying from Boston to Toronto in November is currently the most expensive (average of £307). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Toronto

Boston to Pierre Elliott Trudeau Intl flights
Boston to Pearson Intl flights

Top 2 airlines flying from Boston to Toronto

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£144Average£276FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapest£176Average£400FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Boston to Toronto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from Boston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boston to Toronto?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Toronto from Boston.

Can Cheapflights find flights from Boston to Toronto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Toronto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boston to Toronto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.