Cheap flights from Boston to Montreal from $219 BOS → YUL
Logan International Airport (BOS) → Montreal-Pierre Elliott Trudeau International Airport (YUL)
The cheapest return found recently is $219 with Air Canada, 26 Feb 2027 – 7 Mar 2027, found yesterday.
- Cheapest return found recently
- $219, 26 Feb 2027 to 7 Mar 2027
- Usual return price
- $224 to $277
- Cheapest month to fly
- February 2027, return fares from $219 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $224 to $277.
Cheapest return found recently
$219
26 Feb 2027 – 7 Mar 2027 · Air Canada
Logan International Airport (BOS) → Montreal-Pierre Elliott Trudeau International Airport (YUL)
Leaves 3:30 p.m. · Return leaves 8:00 p.m. · 2 h 50 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$219
26 Feb 2027 – 7 Mar 2027 · Air Canada
Logan International Airport (BOS) → Montreal-Pierre Elliott Trudeau International Airport (YUL)
Leaves 3:30 p.m. · Return leaves 8:00 p.m. · 2 h 50 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$219 26 Feb 2027 – 7 Mar 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 35 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $219 to $579.
At $219, the cheapest return found recently is at the low end of that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 1 Dec to 19 May 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 9-night return fares leaving within 3 days of 26 Feb 2027 to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 4 Dec | $229 | Air Canada | Logan International Airport (BOS) → Montreal-Pierre Elliott Trudeau International Airport (YUL) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 26 Feb 2027 – 7 Mar 2027 | $219 | Air Canada | Logan International Airport (BOS) → Montreal-Pierre Elliott Trudeau International Airport (YUL) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 19 May 2027 – 24 May 2027 | $324 | United Airlines | Logan International Airport (BOS) → Montreal-Pierre Elliott Trudeau International Airport (YUL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $219.
Airlines on the cheapest dates: Air Canada, United Airlines.
Premium cabin fares from Boston to Montreal
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 26 Feb 2027 – 7 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Boston to Montreal?
Return
Fares 14 to 29 days before departure were typically 52% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (35 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 | $583 | $390 | +110% | 14 |
| 7–13 days | $579 | $455 | +109% | 8 |
| 14–29 days | $278 | $229 | Cheapest seen | 18 |
| 30–59 days | $285 | $285 | +3% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Providence → Montreal
66 km from Boston
$578
$359 more than flying from Boston
1 Dec – 4 Dec · PVD → YHU · out 2 stops, back 2 stops
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 26 Feb 2027 – 7 Mar 2027. 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 Boston to Montreal?
The cheapest return found recently is $219 with Air Canada, 26 Feb 2027 to 7 Mar 2027, found yesterday. The cheapest return fare on each of 3 departure dates is usually $224 to $277.
What is the cheapest month to fly from Boston to Montreal?
February 2027 is the cheapest month for a return, from $219, 26 Feb 2027 to 7 Mar 2027, found yesterday.
How far ahead should I book a flight from Boston to Montreal?
In 35 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 52% lower than 0 to 6 days before departure.
Is there a direct flight from Boston to Montreal?
Yes, the cheapest nonstop return found recently is $219 with Air Canada, 26 Feb 2027 to 7 Mar 2027, found yesterday.
Which airlines have the cheapest flights from Boston to Montreal?
Between 1 Dec and 19 May 2027, Air Canada has the cheapest return on 2 of the 3 departure dates we hold, and United Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work