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Cheap flights from Canada to Boston from C$ 171

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
15 Aug — 22 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Boston
Explore the most affordable flight options available from Canada to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2026.

Sun 30/87:15 a.m.
YTZ
-
BOS
Nonstop1h 37m
Air Canada
Sun 6/99:35 a.m.
BOS
-
YTZ
Nonstop1h 59m
Air Canada
Deal found 15/7C$ 260
Thu 3/91:35 p.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Sun 6/97:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Deal found 14/7C$ 261
Tue 8/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Wed 7/107:00 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Deal found 13/7C$ 263
Thu 30/75:10 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Sat 1/83:55 p.m.
BOS
-
YYZ
1 stop6h 09m
Porter Airlines
Deal found 13/7C$ 263
Wed 12/83:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Tue 18/88:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Deal found 14/7C$ 264
Thu 30/75:10 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Wed 5/83:55 p.m.
BOS
-
YYZ
1 stop6h 09m
Porter Airlines
Deal found 13/7C$ 264
Thu 13/81:35 p.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Thu 20/88:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Deal found 15/7C$ 266
Wed 5/87:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Tue 11/83:55 p.m.
BOS
-
YYZ
1 stop6h 09m
Porter Airlines
Deal found 13/7C$ 266
Wed 5/83:40 p.m.
YYZ
-
BOS
1 stop5h 15m
Porter Airlines
Sat 8/83:55 p.m.
BOS
-
YYZ
1 stop6h 09m
Porter Airlines
Deal found 13/7C$ 267
Thu 3/93:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Tue 8/93:55 p.m.
BOS
-
YTZ
1 stop4h 20m
Porter Airlines
Deal found 15/7C$ 268
Sat 22/83:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Sun 6/97:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Deal found 14/7C$ 271
Sun 2/87:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Tue 4/83:55 p.m.
BOS
-
YYZ
1 stop6h 09m
Porter Airlines
Deal found 13/7C$ 271

Find flight deals from Canada to Boston

Keep the following information in mind while searching for Canada to Boston flight deals. Data was last updated 16 July 2026.

Round-trip from

C$ 260

One-way from

C$ 171

Popular in

April

Cheapest in

July

Average price

C$ 336

Good round-trip deal

C$ 270 or less

Good one-way deal

C$ 195 or less
Porter Airlines
  • Porter Airlines
  • 30/8-6/9
  • Nonstop
  • 3h 27m total
  • Canada to Boston
Search Deals
WestJet
  • WestJet
  • 6/9
  • 1 total stop
  • 8h 30m total
  • Canada to Boston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Canada to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Canada to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to Boston 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, Cheapflights users made 629,999 searches. Data last updated 16 July 2026.
Use the filters below to find and compare flights from Canada to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 8/9

11:55 a.m.-4:00 p.m.

1 stop4h 05m

Boston Logan Intl

Tue 15/9

3:55 p.m.-8:18 p.m.

1 stop4h 23m

C$ 291

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sun 23/8

9:44 a.m.-11:59 p.m.

1 stop14h 15m

Boston Logan Intl

Mon 24/8

5:45 a.m.-12:35 p.m.

1 stop6h 50m

C$ 296
Quickest round-trip

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 17/8

1:35 p.m.-3:15 p.m.

Nonstop1h 40m

Boston Logan Intl

Sat 22/8

11:10 a.m.-12:57 p.m.

Nonstop1h 47m

C$ 299

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 11/8

3:05 p.m.-4:46 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 17/8

11:10 a.m.-12:57 p.m.

Nonstop1h 47m

C$ 299

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 7/9

8:50 a.m.-10:30 a.m.

Nonstop1h 40m

Boston Logan Intl

Fri 11/9

11:10 a.m.-12:57 p.m.

Nonstop1h 47m

C$ 299

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 17/8

7:25 a.m.-9:05 a.m.

Nonstop1h 40m

Boston Logan Intl

Sat 22/8

10:05 a.m.-12:00 p.m.

Nonstop1h 55m

C$ 312

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 25/9

4:55 p.m.-6:35 p.m.

Nonstop1h 40m

Boston Logan Intl

Tue 29/9

10:05 a.m.-12:00 p.m.

Nonstop1h 55m

C$ 319

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 10/9

11:00 a.m.-4:27 p.m.

1 stop5h 27m

Boston Logan Intl

Tue 15/9

12:41 p.m.-7:00 p.m.

1 stop6h 19m

C$ 320

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 29/7

12:45 p.m.-11:59 p.m.

1 stop11h 14m

Boston Logan Intl

Sun 2/8

5:45 a.m.-12:35 p.m.

1 stop6h 50m

C$ 325

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 25/9

4:55 p.m.-6:35 p.m.

Nonstop1h 40m

Boston Logan Intl

Mon 28/9

7:30 p.m.-9:25 p.m.

Nonstop1h 55m

C$ 346

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Canada to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Canada with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, October is the cheapest month in which you can book a flight from Canada to Boston (average of C$ 364). Flying from Canada to Boston in January is currently the most expensive (average of C$ 1,578). 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 CA to BOS?

Find hourly flight availability from Canada to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 July 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% on flights from Canada to Boston by exploring options for tickets in the morning.

Weekly flight availability from Canada to Boston

Explore weekly flight availability from Canada to Boston. 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 16 July 2026.

The most flights from CA0 to BOS are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

How often are flights from Canada to Boston delayed?

About 24% of weekly flights between Canada and Boston have experienced delays in the past year, with the average delay time being 117 minutes.

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

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

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

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

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

Over the past year, Porter Airlines has had the lowest number of delays on this route, with just 20% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Canada to Boston, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly round-trip from Canada to Boston. Price data was last updated on 23 March 2026.

Travelers seeking maximum savings on their Canada to Boston flight should consider departing on Tuesday mornings 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 16 July 2026.
Read through reviews of airlines operating flights from Canada to Boston, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
445 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
445 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
9,994 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,410 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,346 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
JetBlue
7.1
Good
3,010 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Canada to Boston. 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 into for flights to Boston from Canada?

    Located just 4.2 km from the city centre, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Boston from Canada.

  • How long is the flight from Canada to Boston?

    There are many flights that can get you from Canada to Boston in 4h 05m. Fly via Porter Airlines, United Airlines, or Air Canada to get the fastest option. Canada and Boston are separated by a distance of 695 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Canada to Boston one-way?

    One-way options have recently been found by users for as low as C$ 104 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 137 and WestJet from C$ 148 one-way.

  • What are the most popular routes from Canada to Boston?

    When deciding which route to take from Canada to Boston consider Toronto Pearson Intl - Boston Logan Intl, Toronto Island - Boston Logan Intl or Montreal Pierre Elliott Trudeau Intl - Boston Logan Intl as they are the most popular.

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

    Before booking your flight to Boston from Canada, check out the most reliable airlines to get you to your destination on time: Jazz (83%), Air Canada (73%), United Airlines( 70%).

  • What are the cheapest flights from Canada to Boston?

    Looking at all options, your cheapest flight can be booked for C$ 184. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for C$ 254 on average, our data indicates C$ 2,286 when flying from Canada to Boston.

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

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

  • How can I find direct flights from Canada to Boston?

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

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

    Yes. Cheapflights offers flight deals from Canada to Boston 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 Canada to Boston?

    Currently, October is the cheapest month in which you can book a flight from Canada to Boston (average of C$ 364). Flying from Canada to Boston in January is currently the most expensive (average of C$ 1,578). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Old Orchard Beach
Hampton
Merrimack
Saugus
Braintree
Milford
Revere
Waltham
Watertown
Warwick
Ogunquit
Lawrence
Pawtucket
Seekonk
Nashua
Kittery

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Canada to Boston

Discover the top 9 airlines that operate flights from Canada to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 158AverageC$ 533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 158AverageC$ 477FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 163AverageC$ 539FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 190AverageC$ 435FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 236AverageC$ 627FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 246AverageC$ 489FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 326AverageC$ 506FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Alaska AirlinesCheapestC$ 362AverageC$ 782FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
JetBlueCheapestC$ 444AverageC$ 672FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Canada to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Canada to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Canada to Boston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Canada to Boston on Cheapflights with our Price Alert feature and get notified when better prices are available.

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