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Cheap flights from Canada to Boston from C$ 138

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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOS
15 Jan — 22 Jan1
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 December 2025.

Wed 31/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 8/19:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 15/12C$ 319
Sun 28/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 2/13:30 p.m.BOS - YTZ
1 stop6h 33mPorter Airlines
Deal found 14/12C$ 344
Tue 30/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 2/17:05 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 15/12C$ 347
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 1/16:55 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 14/12C$ 348
Tue 30/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 4/17:05 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 14/12C$ 363
Tue 30/128:00 a.m.YTZ - BOS
Nonstop1h 35mAir Transat
Tue 30/127:00 p.m.BOS - YTZ
Nonstop1h 59mAir Transat
Deal found 15/12C$ 391
Wed 31/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Thu 8/16:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 13/12C$ 396
Wed 31/127:40 p.m.YYZ - BOS
1 stop14h 57mUnited Airlines
Thu 8/16:00 a.m.BOS - YYZ
1 stop15h 21mUnited Airlines
Deal found 15/12C$ 405
Thu 25/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Wed 14/16:55 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 15/12C$ 411
Wed 24/122:05 p.m.YTZ - BOS
1 stop4h 06mPorter Airlines
Sun 28/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 14/12C$ 413
Thu 25/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Wed 14/110:45 a.m.BOS - YYZ
Nonstop2h 03mAir Canada
Deal found 15/12C$ 436
Tue 30/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Fri 2/16:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 15/12C$ 450

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 December 2025.

Round-trip from

C$ 294

One-way from

C$ 138

Popular in

December

Cheapest in

March

Average price

C$ 409

Good round-trip deal

C$ 299 or less

Good one-way deal

C$ 158 or less
Porter Airlines
  • Porter Airlines
  • 13/2-16/2
  • 2 total stops
  • 10h 38m total
  • Canada to Boston
Search Deals
19/1
  • 19/1
  • 2 total stops
  • 25h 53m total
  • Canada to Boston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 2025.
Use the filters below to find and compare flights from Canada to Boston that are best for you.

Fly from

Canada

Fly to

Boston

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 13/2

2:05 p.m.-6:10 p.m.

1 stop4h 05m

Boston Logan Intl

Mon 16/2

3:30 p.m.-10:03 p.m.

1 stop6h 33m

C$ 296

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 28/1

10:30 a.m.-12:05 p.m.

Nonstop1h 35m

Boston Logan Intl

Wed 4/2

6:55 p.m.-8:52 p.m.

Nonstop1h 57m

C$ 299

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 8/1

7:35 a.m.-6:10 p.m.

2 stops10h 35m

Boston Logan Intl

Wed 14/1

6:55 p.m.-8:50 p.m.

Nonstop1h 55m

C$ 300

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 8/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

Boston Logan Intl

Sun 11/1

3:30 p.m.-10:03 p.m.

1 stop6h 33m

C$ 301

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 15/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

Boston Logan Intl

Sun 18/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

C$ 301

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 26/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

Boston Logan Intl

Sun 1/2

9:00 a.m.-10:57 a.m.

Nonstop1h 57m

C$ 303

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 30/1

7:10 a.m.-11:19 p.m.

1 stop16h 09m

Boston Logan Intl

Fri 6/2

5:34 a.m.-2:40 p.m.

1 stop9h 06m

C$ 321

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 19/2

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

Boston Logan Intl

Sun 22/2

3:30 p.m.-10:03 p.m.

1 stop6h 33m

C$ 321

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 30/1

7:35 a.m.-6:10 p.m.

2 stops10h 35m

Boston Logan Intl

Fri 6/2

6:55 p.m.-8:52 p.m.

Nonstop1h 57m

C$ 322

CalgaryBoston

YYC - BOS

YYCBOS

Calgary

Mon 12/1

12:30 a.m.-1:13 a.m.

1 stop22h 43m

Boston Logan Intl

Tue 20/1

6:00 a.m.-7:09 p.m.

1 stop15h 09m

C$ 329

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from Canada to Boston (average of C$ 147). Flying from Canada to Boston in January is currently the most expensive (average of C$ 266). 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 December 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Canada to Boston by exploring options for tickets at noon.

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 16 December 2024.

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

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 December 2025.

The most flights from CA0 to BOS are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 121 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?

Wednesday 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 Canada to Boston flights?

Over the past year, Porter Airlines has had the lowest number of delays on this route, with just 21% of flights being delayed.

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 December 2025.
Read through reviews of airlines operating flights from Canada to Boston, such as Porter Airlines,Air Transat, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
483 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,094 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,202 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,529 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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, WestJet, 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$ 139 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 153 and Air Canada from C$ 156 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 (70%), Air Canada (68%), Brussels Airlines( 67%).

  • What are the cheapest flights from Canada to Boston?

    Looking at all options, your cheapest flight can be booked for C$ 181. While the most popular route (Toronto Pearson Intl - Boston Logan Intl) can be booked for C$ 227 on average, our data indicates C$ 982 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, June is the cheapest month in which you can book a flight from Canada to Boston (average of C$ 147). Flying from Canada to Boston in January is currently the most expensive (average of C$ 266). 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
Medford
Chelsea
Waltham
Warwick
Milford
Braintree
Plymouth
Hampton
Old Orchard Beach
Revere
Merrimack
Kennebunk
Watertown
Lawrence
Seekonk
Nashua

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Canada to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 151AverageC$ 460FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 172AverageC$ 437FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 178AverageC$ 497FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 188AverageC$ 579FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 206AverageC$ 449FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 250AverageC$ 452FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 263AverageC$ 493FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 321AverageC$ 445FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Alaska AirlinesCheapestC$ 392AverageC$ 641FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines 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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