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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
4 Aug — 11 Aug1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in March or September, booked 78 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from Boston to Toronto
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.
Explore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.
Sat 6/910:40BOS - YYZ
Nonstop1h 55mAir Canada
Thu 18/916:25YYZ - BOS
Nonstop1h 45mAir Canada
Deal found 29/7£175
Sat 6/912:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Sun 21/912:00YTZ - BOS
1 stop5h 58mPorter Airlines
Deal found 29/7£181
Sat 6/916:55BOS - YYZ
1 stop6h 16mDelta
Sat 20/906:03YYZ - BOS
1 stop4h 50mDelta
Deal found 29/7£201
Mon 8/919:30BOS - YYZ
1 stop3h 33mAmerican Airlines
Thu 18/910:55YYZ - BOS
1 stop7h 54mAmerican Airlines
Deal found 29/7£205
Sun 24/805:50BOS - YTZ
1 stop5h 56mAir Canada
Tue 26/820:25YTZ - BOS
1 stop13h 05mAir Canada
Deal found 29/7£217
Tue 26/809:43BOS - YYZ
1 stop6h 03mUnited Airlines
Tue 26/818:00YYZ - BOS
1 stop5h 08mUnited Airlines
Deal found 28/7£222
Tue 26/815:30BOS - YYZ
2 stops14h 21mPorter Airlines
Wed 27/809:10YYZ - BOS
2 stops9h 18mPorter Airlines
Deal found 29/7£233
Sat 13/908:25BOS - YYZ
1 stop5h 22mMultiple Airlines
Sun 14/900:30YYZ - BOS
1 stop9h 00mMultiple Airlines
Deal found 29/7£243
Best flights from Boston to Toronto
Discover carefully curated flight deals from Boston to Toronto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.
Sat 6/910:40BOS - YYZ
Nonstop1h 55mAir Canada
Thu 18/916:25YYZ - BOS
Nonstop1h 45mAir Canada
Deal found 29/7£175
Sat 6/912:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Sun 21/912:00YTZ - BOS
1 stop5h 58mPorter Airlines
Deal found 29/7£181
Sat 6/916:55BOS - YYZ
1 stop6h 16mDelta
Sat 20/906:03YYZ - BOS
1 stop4h 50mDelta
Deal found 29/7£201
Mon 8/919:30BOS - YYZ
1 stop3h 33mAmerican Airlines
Thu 18/910:55YYZ - BOS
1 stop7h 54mAmerican Airlines
Deal found 29/7£205
Tue 26/809:43BOS - YYZ
1 stop6h 03mUnited Airlines
Tue 26/818:00YYZ - BOS
1 stop5h 08mUnited Airlines
Deal found 28/7£222
Sat 13/908:25BOS - YYZ
1 stop5h 22mMultiple Airlines
Sun 14/900:30YYZ - BOS
1 stop9h 00mMultiple Airlines
Deal found 29/7£243
Sun 24/805:50BOS - YTZ
1 stop5h 56mAir Canada
Tue 26/820:25YTZ - BOS
1 stop13h 05mAir Canada
Deal found 29/7£217
Tue 26/815:30BOS - YYZ
2 stops14h 21mPorter Airlines
Wed 27/809:10YYZ - BOS
2 stops9h 18mPorter Airlines
Deal found 29/7£233
Direct flights from Boston to Toronto
Explore direct flight options from Boston to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 July 2025.
Sat 6/910:40BOS - YYZ
Nonstop1h 55mAir Canada
Thu 18/916:25YYZ - BOS
Nonstop1h 45mAir Canada
Deal found 29/7£175
Fri 12/908:45BOS - YTZ
Nonstop1h 49mPorter Airlines
Wed 17/920:20YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 29/7£196
Sat 15/1116:35BOS - YYZ
Nonstop2h 07mUnited Airlines
Wed 19/1108:10YYZ - BOS
Nonstop1h 42mUnited Airlines
Deal found 27/7£287
Wed 13/810:10BOS - YTZ
Nonstop1h 49mAir Transat
Sun 17/819:50YTZ - BOS
Nonstop1h 41mAir Transat
Deal found 28/7£312
Tue 12/818:55BOS - YYZ
Nonstop1h 55mMultiple Airlines
Wed 13/809:45YYZ - BOS
Nonstop1h 43mMultiple Airlines
Deal found 29/7£321
Last-minute flights from Boston to Toronto
Discover last-minute flight deals from Boston to Toronto. Data last updated 30 July 2025 and is based on user searches.
Tue 5/810:00BOS - YYZ
2 stops20h 52mWestJet
Thu 7/806:15YYZ - BOS
1 stop14h 20mWestJet
Deal found 29/7£828
Wed 6/809:40BOS - YYZ
1 stop4h 07mUnited Airlines
Tue 12/810:45YYZ - BOS
1 stop4h 47mUnited Airlines
Deal found 29/7£366
Wed 6/815:30BOS - YYZ
2 stops14h 08mPorter Airlines
Fri 8/809:10YYZ - BOS
2 stops9h 18mPorter Airlines
Deal found 29/7£403
Thu 7/819:15BOS - YTZ
Nonstop1h 49mPorter Airlines
Tue 19/810:25YTZ - BOS
2 stops8h 03mPorter Airlines
Deal found 27/7£275
Thu 7/806:00BOS - YYZ
Nonstop1h 55mMultiple Airlines
Sat 9/800:30YYZ - BOS
1 stop9h 00mMultiple Airlines
Deal found 29/7£501
Fri 8/810:00BOS - YYZ
1 stop7h 33mDelta
Tue 12/806:15YYZ - BOS
1 stop7h 01mDelta
Deal found 29/7£304
Tue 12/818:55BOS - YYZ
Nonstop1h 55mMultiple Airlines
Wed 13/809:45YYZ - BOS
Nonstop1h 43mMultiple Airlines
Deal found 29/7£321
Fri 22/816:00BOS - YYZ
1 stop7h 43mDelta
Sun 24/806:15YYZ - BOS
1 stop4h 12mDelta
Deal found 28/7£254
Sun 24/806:00BOS - YYZ
Nonstop1h 55mAir Canada
Tue 26/820:55YYZ - BOS
Nonstop1h 43mAir Canada
Deal found 29/7£190
Sun 24/805:50BOS - YTZ
1 stop5h 56mAir Canada
Tue 26/820:25YTZ - BOS
1 stop13h 05mAir Canada
Deal found 29/7£217
Tue 26/809:43BOS - YYZ
1 stop6h 03mUnited Airlines
Tue 26/818:00YYZ - BOS
1 stop5h 08mUnited Airlines
Deal found 28/7£222
Tue 26/815:30BOS - YYZ
2 stops14h 21mPorter Airlines
Wed 27/809:10YYZ - BOS
2 stops9h 18mPorter Airlines
Deal found 29/7£233
One-way flights from Boston to Toronto
Search for one-way flight options from Boston to Toronto. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.
Mon 15/915:30BOS - YTZ
1 stop3h 33mPorter Airlines
Deal found 29/7£85
Mon 15/906:00BOS - YYZ
Nonstop1h 56mAir Canada
Deal found 29/7£85
Fri 15/805:50BOS - YTZ
1 stop5h 56mAir Canada
Deal found 28/7£91
Thu 11/910:30BOS - YYZ
1 stop5h 38mDelta
Deal found 28/7£91
Fri 17/1015:30BOS - YYZ
2 stops14h 19mPorter Airlines
Deal found 27/7£92
Tue 19/809:30BOS - YYZ
2 stops11h 14mUnited Airlines
Deal found 27/7£95
Mon 15/912:40BOS - YTZ
Nonstop1h 49mAir Transat
Deal found 29/7£98
Mon 15/906:20BOS - YYZ
3 stops31h 45mMultiple Airlines
Deal found 29/7£116
Mon 15/906:00BOS - YTZ
3 stops14h 50mMultiple Airlines
Deal found 29/7£143
Cheapflights Fare Finder
Customise 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, Cheapflights users made 858,174 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Boston to Toronto that are best for you.
Fly from
Boston
Fly to
Toronto
Route
Depart
Return
Price
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 6/9
10:40-12:35
Nonstop1h 55m
Toronto Pearson Intl
Thu 18/9
16:25-18:10
Nonstop1h 45m
£175
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Sat 6/9
12:15-14:04
Nonstop1h 49m
Toronto Island
Sun 21/9
12:00-17:58
1 stop5h 58m
£181
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 6/9
16:55-23:11
1 stop6h 16m
Toronto Pearson Intl
Sat 20/9
06:03-10:53
1 stop4h 50m
£201
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Mon 8/9
19:30-23:03
1 stop3h 33m
Toronto Pearson Intl
Thu 18/9
10:55-18:49
1 stop7h 54m
£205
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Sun 24/8
05:50-11:46
1 stop5h 56m
Toronto Island
Tue 26/8
20:25-09:30
1 stop13h 05m
£217
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Tue 26/8
09:43-15:46
1 stop6h 03m
Toronto Pearson Intl
Tue 26/8
18:00-23:08
1 stop5h 08m
£222
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Tue 26/8
15:30-05:51
2 stops14h 21m
Toronto Pearson Intl
Wed 27/8
09:10-18:28
2 stops9h 18m
£233
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 13/9
08:25-13:47
1 stop5h 22m
Toronto Pearson Intl
Sun 14/9
00:30-09:30
1 stop9h 00m
£243
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Mon 15/9
15:30-19:03
1 stop3h 33m
£85
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Mon 15/9
06:00-07:56
Nonstop1h 56m
£85
Flights are sorted by cheapest return flights first.
Deals found on 29/7
Showing 1-10 of 17 results
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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
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 Boston to Toronto
How far ahead should I book a flight from Boston to Toronto?
Use this chart to determine the optimal time to book a return flight from Boston to Toronto. Price data was last updated on 25 July 2025.
Booking 78 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.
What is the cheapest month to book a flight from Boston to Toronto?
Currently, January is the cheapest month in which you can book a flight from Boston to Toronto (average of £490). Flying from Boston to Toronto in July is currently the most expensive (average of £708). 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?
Find hourly flight availability from Boston to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.
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 at midday, which can drop the price by up to 72% versus a flight in the evening.
Weekly flight availability from Boston to Toronto
Explore weekly flight availability from Boston to Toronto. 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 30 July 2025.
The most flights from BOS to YTO are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
Reviews of airlines servicing Toronto
Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 30 July 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, andAir Transat from Boston to Toronto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Related info for your journey
Find useful and relevant information for your journey from Boston to Toronto. 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 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. 0 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 17 outbound flights to Toronto per day.
What are the cheapest airlines flying from Boston to Toronto round-trip?
Cheapflights users have booked flights from Boston to Toronto round-trip from £175. Other airlines that can offer you cheap pricing are Porter Airlines, from £181, and Delta, from £201. Users have found that Air Canada is 27% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Boston to Toronto one-way?
The cheapet airlines for a one-way flight from Boston to Toronto are Porter Airlines (£85), Air Canada (£85), and Delta (£91).
What are the most reliable airlines from Boston to Toronto?
Consider Brussels Airlines (75%), United Airlines (65%) or Air Canada (62%) 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 £133. On average you can expect to pay £303. The most popular route, (Boston Logan Intl - Toronto Pearson Intl), can usually be booked for £188.
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, January is the cheapest month in which you can book a flight from Boston to Toronto (average of £490). Flying from Boston to Toronto in July is currently the most expensive (average of £708). 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.
Explore flights to Toronto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 July 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to Toronto?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from Boston today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Boston to Toronto?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Toronto from Boston.
Can Cheapflights find flights from Boston to Toronto with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Toronto flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Boston to Toronto become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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