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Cheap flights from Boston to Toronto from £70

BOS — YTO
15 Oct — 22 Oct1
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

Wed 21/1020:25 -
Nonstop1h 47m
Tue 27/1012:15 -
1 stop4h 27m
Deal found 11/9£153
Tue 27/1013:15 -
1 stop5h 50m
Tue 3/1117:20 -
Nonstop1h 50m
Deal found 12/9£156
Mon 26/1009:35 -
Nonstop2h 03m
Tue 27/1016:35 -
1 stop4h 53m
Deal found 11/9£156
Tue 20/1019:30 -
Nonstop1h 55m
Mon 26/1007:20 -
Nonstop1h 50m
Deal found 11/9£158
Thu 22/1019:30 -
Nonstop1h 55m
Mon 26/1007:20 -
Nonstop1h 50m
Deal found 11/9£159
Tue 27/1005:30 -
1 stop4h 40m
Tue 3/1109:45 -
1 stop5h 08m
Deal found 12/9£159
Mon 12/1006:00 -
Nonstop1h 56m
Mon 19/1020:55 -
Nonstop1h 45m
Deal found 13/9£160
Fri 30/1008:00 -
Nonstop1h 54m
Fri 6/1114:20 -
Nonstop1h 32m
Deal found 15/9£160
Sat 26/910:50 -
Nonstop1h 52m
Sun 27/907:25 -
Nonstop1h 40m
Deal found 12/9£161
Sat 24/1019:45 -
Nonstop1h 56m
Mon 26/1010:35 -
1 stop6h 07m
Deal found 11/9£161
Mon 12/1005:50 -
1 stop6h 43m
Mon 19/1007:25 -
Nonstop1h 40m
Deal found 13/9£162
Fri 23/1015:55 -
1 stop5h 49m
Mon 26/1007:20 -
Nonstop1h 50m
Deal found 14/9£163

Find flight deals from Boston to Toronto

Round-trip from

£153

One-way from

£70

Popular in

November

Cheapest in

July

Average price

£228

Good round-trip deal

£279 or less

Good one-way deal

£71 or less
Porter Airlines
  • Porter Airlines
  • 23/10-27/10
  • 1 total stop
  • 6h 14m total
  • Boston to Toronto
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Air Canada
  • Air Canada
  • 1/10-31/12
  • 1 total stop
  • 4h 43m total
  • Boston to Toronto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Boston Logan Intl to Toronto (YTO).
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Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).
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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 - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Wed 7/10

05:50-12:33

1 stop6h 43m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£70

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Sat 17/10

05:50-12:33

1 stop6h 43m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£72

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Sat 3/10

05:50-10:55

2 stops5h 05m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£72
Fastest return journey

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Sat 17/10

09:55-11:42

Nonstop1h 47m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Wed 28/10

09:50-12:00

Nonstop2h 10m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Fri 30/10

19:50-21:44

Nonstop1h 54m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Wed 28/10

16:35-18:29

Nonstop1h 54m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Sat 17/10

05:50-13:15

2 stops7h 25m

Toronto Island

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Tue 27/10

15:01-21:15

1 stop6h 14m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Sat 17/10

07:01-13:42

1 stop6h 41m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£82

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 43 resultsSorted by cheapest first
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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 £213). Flying from Boston to Toronto in November is currently the most expensive (average of £289). 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 57% versus a flight in the evening.

Weekly flight availability from Boston to Toronto

The most flights from BOS to YTO are scheduled on a Monday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

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 £175 and £313 in October.
The cheapest return price found within the last 5 days was £153 on Porter Airlines (21 Oct–27 Oct).

How often are flights from Boston to Toronto delayed?

About 23% 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 27 outbound flights to Toronto per day.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines fly from Boston to Toronto in about 1h 47m. The time it takes to get you to your destination is usually consistent. Boston and Toronto are separated by a distance of 432 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Boston to Toronto round-trip from £143. 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 Brussels Airlines (71%), ITA Airways (67%) or American Airlines (63%) when booking your flight. These represent the most reliable airlines when flying from Boston to Toronto.

  • What are the cheapest flights from Boston to Toronto?

    The cheapest flight price from Boston to Toronto is £78. On average you can expect to pay £206. The most popular route, (Boston Logan Intl - Toronto Island), can usually be booked for £160.

  • 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 £213). Flying from Boston to Toronto in November is currently the most expensive (average of £289). 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£143Average£273FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapest£174Average£395FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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