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Cheap flights from Boston to Toronto from $108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Toronto departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Toronto (BOS-YTO)

Cheap round-trip flights

Air Canada Logo
6:55 pm - 8:47 pmBOS-YYZ
1h 52mnonstop
Air Canada Logo
8:55 pm - 10:39 pmYYZ-BOS
1h 44mnonstop
$225Air Canada
Find Deal
Sat, Sep 13 - Mon, Sep 15
Air Canada Logo
5:30 am - 11:42 amBOS-YTZ
6h 12m2 stops
Air Canada Logo
10:40 am - 7:12 pmYTZ-BOS
8h 32m2 stops
$225Air Canada
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Sat, Nov 15 - Wed, Nov 19
Air Canada Logo
6:00 am - 10:39 amBOS-YYZ
4h 39m1 stop
Air Canada Logo
8:15 am - 9:55 amYYZ-BOS
1h 40mnonstop
$226Air Canada
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Thu, Sep 11 - Sun, Sep 14
Porter Airlines Logo
8:45 am - 10:34 amBOS-YTZ
1h 49mnonstop
Porter Airlines Logo
8:20 pm - 10:01 pmYTZ-BOS
1h 41mnonstop
$227Porter Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
Porter Airlines Logo
3:30 pm - 7:03 pmBOS-YTZ
3h 33m1 stop
Porter Airlines Logo
8:20 pm - 10:01 pmYTZ-BOS
1h 41mnonstop
$228Porter Airlines
Find Deal
Wed, Sep 24 - Fri, Sep 26
Logo
8:24 pm - 2:05 pmBOS-YYZ
17h 41m1 stop
Logo
7:40 am - 6:28 pmYYZ-BOS
10h 48m2 stops
$256
Find Deal
Mon, Oct 6 - Wed, Oct 8
Logo
6:45 pm - 8:34 pmBOS-YTZ
1h 49mnonstop
Logo
7:20 pm - 9:30 amYTZ-BOS
14h 10m2 stops
$256
Find Deal
Sat, Sep 13 - Mon, Sep 15
WestJet Logo
6:30 pm - 6:52 amBOS-YYZ
12h 22m1 stop
WestJet Logo
6:30 am - 5:40 pmYYZ-BOS
11h 10m1 stop
$267WestJet
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Fri, Oct 17 - Sun, Oct 19
United Airlines Logo
9:30 am - 2:19 pmBOS-YYZ
4h 49m1 stop
United Airlines Logo
6:00 pm - 11:22 pmYYZ-BOS
5h 22m1 stop
$268United Airlines
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Wed, Sep 17 - Wed, Sep 17
United Airlines Logo
3:20 pm - 8:44 pmBOS-YYZ
5h 24m1 stop
United Airlines Logo
7:30 am - 3:13 pmYYZ-BOS
7h 43m1 stop
$282United Airlines
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Sat, Sep 13 - Mon, Sep 15

Air Canada flights from Boston to Toronto

Our best Air Canada deals on Boston to Toronto flight tickets
Air Canada
Sep 13
BOS6:55 pmBoston Logan Intl
1h 52m
YYZ8:47 pmToronto Pearson Intl
Sep 15
YYZ8:55 pmToronto Pearson Intl
1h 44m
BOS10:39 pmBoston Logan Intl
$225
Find similar
Air Canada
Sep 11
BOS6:00 amBoston Logan Intl
4h 39m
1 stop
YYZ10:39 amToronto Pearson Intl
Sep 14
YYZ8:15 amToronto Pearson Intl
1h 40m
BOS9:55 amBoston Logan Intl
$226
Find similar
Air Canada
Oct 3
BOS6:00 amBoston Logan Intl
6h 39m
1 stop
YYZ12:39 pmToronto Pearson Intl
Oct 10
YYZ9:45 amToronto Pearson Intl
1h 44m
BOS11:29 amBoston Logan Intl
$227
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American Airlines flights from Boston to Toronto

Our best American Airlines deals on Boston to Toronto flight tickets
American Airlines
Sep 3
BOS8:00 amBoston Logan Intl
4h 04m
1 stop
YYZ12:04 pmToronto Pearson Intl
Sep 7
YYZ7:20 amToronto Pearson Intl
6h 22m
1 stop
BOS1:42 pmBoston Logan Intl
$339
Find similar
American Airlines
Sep 1
BOS6:00 amBoston Logan Intl
6h 01m
1 stop
YYZ12:01 pmToronto Pearson Intl
Sep 8
YYZ10:55 amToronto Pearson Intl
7h 54m
1 stop
BOS6:49 pmBoston Logan Intl
$408
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
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

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 9/13

6:55 pm-8:47 pm

Nonstop1h 52m

Toronto Pearson Intl

Mon 9/15

8:55 pm-10:39 pm

Nonstop1h 44m

$225

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 11/15

5:30 am-11:42 am

2 stops6h 12m

Toronto Island

Wed 11/19

10:40 am-7:12 pm

2 stops8h 32m

$225

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 9/11

6:00 am-10:39 am

1 stop4h 39m

Toronto Pearson Intl

Sun 9/14

8:15 am-9:55 am

Nonstop1h 40m

$226

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/2

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

Sun 10/5

8:20 pm-10:01 pm

Nonstop1h 41m

$227

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 9/24

3:30 pm-7:03 pm

1 stop3h 33m

Toronto Island

Fri 9/26

8:20 pm-10:01 pm

Nonstop1h 41m

$228

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 10/6

8:24 pm-2:05 pm

1 stop17h 41m

Toronto Pearson Intl

Wed 10/8

7:40 am-6:28 pm

2 stops10h 48m

$256

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 9/13

6:45 pm-8:34 pm

Nonstop1h 49m

Toronto Island

Mon 9/15

7:20 pm-9:30 am

2 stops14h 10m

$256

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 10/17

6:30 pm-6:52 am

1 stop12h 22m

Toronto Pearson Intl

Sun 10/19

6:30 am-5:40 pm

1 stop11h 10m

$267

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 9/17

9:30 am-2:19 pm

1 stop4h 49m

Toronto Pearson Intl

Wed 9/17

6:00 pm-11:22 pm

1 stop5h 22m

$268

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 9/13

3:20 pm-8:44 pm

1 stop5h 24m

Toronto Pearson Intl

Mon 9/15

7:30 am-3:13 pm

1 stop7h 43m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Toronto from

How to get the cheapest flight ticket from Boston to Toronto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Toronto?

What is the cheapest month to fly to Toronto?

The month of March is, on average, the cheapest month to fly to Toronto from Boston, with most prices found around $285. If you are unable to visit Toronto during the month of March, then departing from Boston during the month July is also very affordable. Most momondo users find prices during this month for around $286.

What is the cheapest day to depart on your flight to Toronto?

On average, the least expensive day to fly to Toronto from Boston is on a Thursday. momondo users have found tickets for Thursday departures for as low as $379. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Sunday, with ticket prices averaging around $555.

What is the cheapest time of day to depart on your flight to Toronto?

At noon is the cheapest time of day to fly from Boston to Toronto when you can find flight prices for as low as $369. Flying to Toronto at noon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the afternoon, with an average ticket price of $474. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Toronto flight route?

Fly from Boston Logan Intl to Toronto Pearson Intl for the best Boston Logan Intl - Toronto flight prices

How far in advance should I book a flight to Toronto?

You are more likely to see cheaper flights to Toronto from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Boston for as low as $260 on momondo.

What cabin class options are available on Boston Logan Intl to Toronto flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Toronto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Toronto flights?

No. A direct flight is the cheapest option for a flight between Boston to Toronto.

How have Boston to Toronto flight prices changed over time?

As of August 2025, prices for Boston to Toronto flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Toronto

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Toronto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Toronto (BOS to YTO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Toronto

Best Price Found

$122

Fastest flight time

1h 48m

Direct flights

Every day

Airports in Toronto

2 airports
The best one-way flight to Toronto from Boston in the past 72 hours is $122. The best round-trip flight deal from Boston to Toronto found on momondo in the last 72 hours is $266.
The fastest flight from Boston to Toronto takes 1h 48m
Direct flights go from Boston to Toronto every day.
There are 2 airports near Toronto: Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
Search flight deals

  • How far is Boston Logan Intl to Toronto by plane?

    The distance between Boston Logan Intl and Toronto is about 429.4 mi. In terms of flight time, this usually takes a little over 1h 48m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Toronto?

    Prices for flights from Boston Logan Intl Airport to Toronto are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Toronto?

  • How old do you have to be to fly from Boston Logan Intl Airport to Toronto?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Toronto.

  • What documentation or ID do you need to fly to Toronto?

    The travel and health documents required for your trip to Toronto can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Toronto. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Toronto?

  • What is the most popular airline from Boston to Toronto?

Best airlines flying from Boston to Toronto

Compare and see reviews for airlines that fly from Boston to Toronto with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $126Free CancellationRating
8.0
339 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $165Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $170Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Air TransatPriceFrom $254Free CancellationRating
7.7
430 reviews
Search Air Transat flights

  • Porter Airlines Flights From Boston to Toronto

    Across 22 Porter Airlines flights from Boston to Toronto this week, the average price was $293, with the best Porter Airlines deals starting from $126 round-trip. 339 users have rated Porter Airlines on momondo, with an average score of 8.0/10.

  • Air Transat Flights From Boston to Toronto

    The best Air Transat deal for Boston to Toronto flight tickets found on momondo in the last 72 hours was $254, round-trip. It should be noted that an average Air Transat flight deal for this route in this time was higher, at $360 round-trip. Air Transat operates 22 flights out of Boston into Toronto in an average week, so prices vary by time and availability. 430 Air Transat reviews by users on momondo have scored the airline at 7.7/10.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Toronto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Toronto for you.

Can I find flights from Boston to Toronto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Toronto flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Toronto?

momondo helps you find the best flight between Boston and Toronto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Toronto right now. Can momondo alert me if prices change?

Price alerts on flights to Toronto from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 52.0 mi from Toronto
Toronto Region of Waterloo Intl Airport
Toronto Island Airport
Toronto Pearson Intl Airport