Cheap flights from Toronto to Boston from C$231 YHM, YTZ, YYZ → BOS
Hamilton Airport (YHM), Toronto City Centre Airport (YTZ), Pearson International Airport (YYZ) → Logan International Airport (BOS)
The cheapest return found recently is C$1,404 (US$985) with Porter Airlines Canada, 25 Nov – 28 Nov, found yesterday. The cheapest one-way found recently is C$231 (US$162) with Air Canada, 1 Apr 2027, found today.
- Cheapest one-way found recently
- C$231 (US$162), found today
- Cheapest return found recently
- C$1,404 (US$985), 25 Nov to 28 Nov
- Cheapest month to fly
- December 2026, one-way fares from C$220 (US$154) found in the last 7 days
- Airlines with nonstop flights
- Porter Airlines
- Shortest nonstop flight found
- 1 h 50 min
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
C$1,404 (US$985)
25 Nov – 28 Nov · Porter Airlines Canada
Hamilton Airport (YHM) → Logan International Airport (BOS)
Leaves 6:05 a.m. · Return leaves 1:15 p.m. · 67 h 28 min of travel, both ways together
out 3 stops, back 3 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
C$1,404 (US$985) 25 Nov – 28 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was C$269 (US$189) to C$1,856 (US$1,302).
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 3-night return fares leaving within 3 days of 25 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Nov – 28 Nov | C$1,404 (US$985) | Porter Airlines Canada | Hamilton Airport (YHM) → Logan International Airport (BOS) | out 3 stops, back 3 stops | found yesterday | See prices for these dates |
Airlines on the cheapest dates: Porter Airlines Canada.
One-way
The cheapest one-way fare on each of 3 departure dates is usually C$225 (US$158) to C$302 (US$212).
Cheapest one-way found recently
C$231 (US$162)
1 Apr 2027 · Air Canada
Toronto City Centre Airport (YTZ) → Logan International Airport (BOS)
Leaves 9:45 a.m. · 5 h 7 min trip
1 stop
found today
Cheapest nonstop one-way
C$232 (US$163)
1 Apr 2027 · Porter Airlines Canada
Pearson International Airport (YYZ) → Logan International Airport (BOS)
Leaves 7:20 a.m. · 1 h 50 min trip
nonstop
found today
Found recently, and the cheapest we hold
C$231 (US$162) 1 Apr 2027found todayOpen this trip
C$220 (US$154) 25 Decfound 2 days agoOpen this trip
What have prices looked like?
Over 47 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was C$170 (US$119) to C$654 (US$459).
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 25 Dec to 1 Oct 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 1 Apr 2027 to compare.
Every date we hold
7 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Dec | C$220 (US$154) | Porter Airlines Canada | Pearson International Airport (YYZ) → Logan International Airport (BOS) | nonstop | found 2 days ago | Open this trip |
| 1 Apr 2027 | C$231 (US$162) | Air Canada | Toronto City Centre Airport (YTZ) → Logan International Airport (BOS) | 1 stop | found today | Open this trip |
| 1 Oct 2027 | C$373 (US$262) | Air Canada | Toronto City Centre Airport (YTZ) → Logan International Airport (BOS) | 1 stop | found today | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from C$220 (US$154).
Airlines on the cheapest dates: Air Canada, Porter Airlines Canada.
Premium cabin fares from Toronto to Boston
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 25 Nov – 28 Nov in another cabin: Premium economy · Business · First
Today's prices for 1 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Toronto to Boston?
Return
Fares 30 to 59 days before departure were typically 25% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | C$480 (US$337) | C$314 (US$220) | +34% | 26 |
| 7–13 days | C$396 (US$278) | C$271 (US$190) | +11% | 21 |
| 14–29 days | C$378 (US$265) | C$271 (US$190) | +6% | 34 |
| 30–59 days | C$358 (US$251) | C$269 (US$189) | Cheapest seen | 29 |
One-way
The cheapest fares were 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | C$172 (US$121) | C$172 (US$121) | Cheapest seen | 7 |
| 14–29 days | C$185 (US$130) | C$185 (US$130) | +7% | 9 |
| 30–59 days | C$207 (US$145) | C$170 (US$119) | +20% | 15 |
| 60–89 days | C$248 (US$174) | C$172 (US$121) | +44% | 31 |
| 180+ days | C$346 (US$243) | C$237 (US$166) | +101% | 10 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Buffalo → Boston
95 km from Toronto
C$167 (US$117)
C$64 (US$45) less than flying from Toronto
20 Nov · BUF → BOS · nonstop
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 25 Nov – 28 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Toronto to Boston?
The cheapest return found recently is C$1,404 (US$985) with Porter Airlines Canada, 25 Nov to 28 Nov, found yesterday.
How much is a one-way flight from Toronto to Boston?
The cheapest one-way found recently is C$231 (US$162) with Air Canada, 1 Apr 2027, found today. The cheapest one-way we hold, of any age, is C$220 (US$154) with Porter Airlines Canada, 25 Dec, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually C$225 (US$158) to C$302 (US$212).
What is the cheapest month to fly from Toronto to Boston?
December 2026 is the cheapest month for a one-way, from C$220 (US$154), 25 Dec, found 2 days ago.
How far ahead should I book a flight from Toronto to Boston?
In 50 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 25% lower than 0 to 6 days before departure. In 47 days of prices between 24 Sept and 12 Nov, one-way fares were cheapest 0 to 6 days before departure.
Is there a direct flight from Toronto to Boston?
Yes, the cheapest nonstop one-way found recently is C$232 (US$163) with Porter Airlines Canada, 1 Apr 2027, found today.
How long is the flight from Toronto to Boston?
The cheapest nonstop one-way found recently, with Porter Airlines Canada on 1 Apr 2027, takes 1 h 50 min from Pearson International Airport (YYZ) to Logan International Airport (BOS). The cheapest one-way found recently, with Air Canada on 1 Apr 2027, takes 5 h 7 min with 1 stop.
Which airlines have the cheapest flights from Toronto to Boston?
Between 25 Dec and 1 Oct 2027, Air Canada has the cheapest one-way on 2 of the 3 departure dates we hold, and Porter Airlines Canada on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days: the price the seller showed on Aviasales; bags may cost extra. Canadian dollars at the Bank of Canada rate of 2026-11-12, US dollars in brackets. Fares change, so check today's price before you book. How our prices work