YYZ - BOS

£102 Find Cheap Flights from Toronto to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Toronto to Boston departing on 7/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Toronto to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Toronto to Boston, as well as popular online travel agencies
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Cheap Flight Deals from Toronto to Boston (YYZ-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Toronto to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Toronto to Boston

KAYAK's recommended return flight deals from the most popular airlines that fly from Toronto to Boston.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Air Canada Logo
08:15 - 09:55YYZ-BOS
1h 40mdirect
Air Canada Logo
05:50 - 11:09BOS-YYZ
5h 19m2 stops
£162Air Canada
Find Deal
Sun, 15 Jun - Wed, 18 Jun
United Airlines Logo
20:55 - 22:38YYZ-BOS
1h 43mdirect
United Airlines Logo
19:00 - 20:54BOS-YYZ
1h 54mdirect
£181United Airlines
Find Deal
Wed, 28 May - Sat, 31 May
Air Canada Logo
09:45 - 11:28YYZ-BOS
1h 43mdirect
Air Canada Logo
12:15 - 14:10BOS-YYZ
1h 55mdirect
£182Air Canada
Find Deal
Sun, 15 Jun - Wed, 18 Jun
 Logo
10:45 - 16:19YYZ-BOS
5h 34m1 stop
 Logo
05:50 - 11:40BOS-YYZ
5h 50m1 stop
Sun, 15 Jun - Sun, 22 Jun
Porter Airlines Logo
07:00 - 18:08YYZ-BOS
11h 08m2 stops
Porter Airlines Logo
15:50 - 05:51BOS-YYZ
14h 01m2 stops
£192Porter Airlines
Find Deal
Fri, 6 Jun - Fri, 13 Jun
American Airlines Logo
18:20 - 23:44YYZ-BOS
5h 24m1 stop
American Airlines Logo
11:00 - 14:33BOS-YYZ
3h 33m1 stop
£199American Airlines
Find Deal
Tue, 6 May - Wed, 7 May
Porter Airlines Logo
07:00 - 18:08YYZ-BOS
11h 08m2 stops
Porter Airlines Logo
15:50 - 05:51BOS-YYZ
14h 01m2 stops
£201Porter Airlines
Find Deal
Tue, 3 Jun - Tue, 10 Jun
 Logo
17:40 - 22:24YYZ-BOS
4h 44m1 stop
 Logo
05:50 - 10:39BOS-YYZ
4h 49m1 stop
Fri, 6 Jun - Mon, 9 Jun
Delta Logo
12:10 - 19:05YYZ-BOS
6h 55m1 stop
Delta Logo
12:00 - 20:44BOS-YYZ
8h 44m1 stop
£204Delta
Find Deal
Wed, 4 Jun - Wed, 11 Jun
Delta Logo
10:20 - 15:28YYZ-BOS
5h 08m1 stop
Delta Logo
12:00 - 16:12BOS-YYZ
4h 12m1 stop
£211Delta
Find Deal
Tue, 15 Jul - Thu, 17 Jul

Expert advice for your flight from Toronto to Boston

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
YYZ

For US-bound flights, preclear customs at YYZ, saving time upon arrival in the US. Arrive early due to potentially slow preclearance.

Read more about YYZby Stefanie Waldek
BOS

Use the Silver Line for free transport from BOS to central Boston. It takes about 20-30 minutes to South Station.

Read more about BOSby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on YYZ

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more

KAYAK's insights & trends for Toronto to Boston flights

Get data-powered insights and trends into flights from Toronto to Boston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Toronto to Boston?

The average price of all round-trip flights from Toronto Pearson Intl Airport to Boston clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Toronto to Boston, look for departures on Thursdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Boston, Tuesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Toronto Pearson Intl Airport to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Toronto Pearson Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Toronto Pearson Intl Airport to Boston is September, where tickets cost £216 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is £304 and £272 respectively.

How far in advance should I book a flight from Toronto Pearson Intl Airport to Boston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Toronto Pearson Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Toronto Pearson Intl Airport to Boston, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know - Cheap tickets from Toronto to Boston

Low season

January

High season

August

Cheapest flight

£102
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Toronto to Boston

When to book flights from Toronto to Boston

Are your dates flexible? Find out the best times to travel from Toronto to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Toronto to Boston: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Toronto to Boston 
GuyFlew with Air CanadaYYZ-BOSMar 2025
Make sure if you pay for comfort class that you don’t get put in economy.
Verified travelerFlew with Air CanadaYYZ-BOSNov 2024
Don't forget about customs at the Toronto airport--it will take 45+ minutes with the lines unless you have a special status program!

FAQs for booking Toronto to Boston flights

  • What is the cheapest flight from Toronto Pearson Intl Airport to Boston?

    In the last 3 days, the lowest price for a flight from Toronto Pearson Intl Airport to Boston was £136 for a one-way ticket and £216 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Toronto to Boston?

    Air Canada, United Airlines, Lufthansa, and JetBlue offer inflight Wi-Fi service on the Toronto to Boston flight route.

  • Which aircraft models fly most regularly from Toronto to Boston?

    The De Havilland (Bombardier) DHC-8-400 Dash 8Q is the aircraft model that flies most regularly on the Toronto to Boston flight route.

  • Which airline alliances offer flights from Toronto to Boston?

    Star Alliance is the only airline alliance operating flights between Toronto and Boston.

  • On which days can I fly direct from Toronto to Boston?

    There are direct flights from Toronto to Boston on a daily basis.

  • How does KAYAK find such low prices on flights from Toronto to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Toronto to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Toronto is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Toronto to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Boston with an airline and back to Toronto with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Toronto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Toronto Pearson Intl Airport to Boston

  • Looking for a cheap flight from Boston to Toronto? 25% of our users found flights on this route for £193 or less one-way.

Prefer to fly direct from Toronto to Boston?

Find which airlines fly direct from Toronto Pearson Intl Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Toronto Pearson Intl to Boston Logan Intl

Monday

Air Canada, Brussels Airlines, Emirates, +2 more

Air Canada, Brussels Airlines, +3 more

Tuesday

Air Canada, Emirates, TAP AIR PORTUGAL, +2 more

Air Canada, Emirates, +3 more

Wednesday

Air Canada, Brussels Airlines, Emirates, +2 more

Air Canada, Brussels Airlines, +3 more

Thursday

Air Canada, Emirates, TAP AIR PORTUGAL, +2 more

Air Canada, Emirates, +3 more

Friday

Air Canada, Brussels Airlines, Emirates, +2 more

Air Canada, Brussels Airlines, +3 more

Saturday

Air Canada, Emirates, TAP AIR PORTUGAL, +2 more

Air Canada, Emirates, +3 more

Sunday

Air Canada, Emirates, TAP AIR PORTUGAL, +1 more

Air Canada, Emirates, +2 more

See more direct flights

Direct returns

Boston Logan Intl to Toronto Pearson Intl

Monday

Air Canada, Emirates, TAP AIR PORTUGAL, +2 more

Air Canada, Emirates, +3 more

Tuesday

Air Canada, Brussels Airlines, Emirates, +2 more

Air Canada, Brussels Airlines, +3 more

Wednesday

Air Canada, Emirates, TAP AIR PORTUGAL, +2 more

Air Canada, Emirates, +3 more

Thursday

Air Canada, Brussels Airlines, Emirates, +2 more

Air Canada, Brussels Airlines, +3 more

Friday

Air Canada, Emirates, TAP AIR PORTUGAL, +2 more

Air Canada, Emirates, +3 more

Saturday

Air Canada, Emirates, TAP AIR PORTUGAL, +1 more

Air Canada, Emirates, +2 more

Sunday

Air Canada, Brussels Airlines, Emirates, +2 more

Air Canada, Brussels Airlines, +3 more

See more direct flights
See more direct flights

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

Information on your arrival and departure airports

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