Cheap flights from Boston to Calgary from $206 BOS → YYC
Logan International Airport (BOS) → Calgary International Airport (YYC)
The cheapest return found recently is $434 with Porter Airlines Canada, 4 Jan 2027 – 17 Jan 2027, found 3 days ago. The cheapest one-way found recently is $206 with jetBlue, 1 Mar 2027, found yesterday.
- Cheapest one-way found recently
- $206, found yesterday
- Cheapest return found recently
- $434, 4 Jan 2027 to 17 Jan 2027
- Cheapest month to fly
- January 2027, return fares from $434 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$434
4 Jan 2027 – 17 Jan 2027 · Porter Airlines Canada
Logan International Airport (BOS) → Calgary International Airport (YYC)
Leaves 5:30 p.m. · Return leaves 8:55 a.m. · 16 h 7 min of travel, both ways together
out 1 stop, back 1 stop
found 3 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$434 4 Jan 2027 – 17 Jan 2027found 3 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 38 days, 6 Oct to 12 Nov, the cheapest return we saw each day was $264 to $441.
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 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 13-night return fares leaving within 3 days of 4 Jan 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Jan 2027 – 17 Jan 2027 | $434 | Porter Airlines Canada | Logan International Airport (BOS) → Calgary International Airport (YYC) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 1 Aug 2027 – 4 Aug 2027 | $477 | Porter Airlines Canada | Logan International Airport (BOS) → Calgary International Airport (YYC) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $434.
Airlines on the cheapest dates: Porter Airlines Canada.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $214 to $221.
Cheapest one-way found recently
$206
1 Mar 2027 · jetBlue
Logan International Airport (BOS) → Calgary International Airport (YYC)
Leaves 4:35 p.m. · 50 h 20 min trip
3 stops
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$206 1 Mar 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 14 days, 25 Oct to 12 Nov, the cheapest one-way we saw each day was $169 to $340.
14 days is a short history, so treat this range as an early guide.
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 4 departure dates from 1 Mar 2027 to 1 Sept 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 Mar 2027 to compare.
Every date we hold
5 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Mar 2027 | $206 | jetBlue | Logan International Airport (BOS) → Calgary International Airport (YYC) | 3 stops | found yesterday | Open this trip |
| 1 Jul 2027 | $217 | Porter Airlines Canada | Logan International Airport (BOS) → Calgary International Airport (YYC) | 1 stop | found yesterday | Open this trip |
| 1 Aug 2027 | $217 | Porter Airlines Canada | Logan International Airport (BOS) → Calgary International Airport (YYC) | 1 stop | found 2 days ago | Open this trip |
| 1 Sept 2027 | $231 | Porter Airlines Canada | Logan International Airport (BOS) → Calgary International Airport (YYC) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $206.
Airlines on the cheapest dates: Porter Airlines Canada, jetBlue.
Premium cabin fares from Boston to Calgary
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 4 Jan 2027 – 17 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 1 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Boston to Calgary?
Return
Fares 60 to 89 days before departure were typically 16% lower than 14 to 29 days before departure.
From the cheapest return each day between 6 Oct and 12 Nov (38 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 |
|---|---|---|---|---|
| 14–29 days | $469 | $468 | +19% | 16 |
| 30–59 days | $435 | $434 | +10% | 7 |
| 60–89 days | $395 | $264 | Cheapest seen | 36 |
| 180+ days | $477 | $477 | +21% | 8 |
One-way
Not enough history yet: in 14 days of one-way prices, 25 Oct to 12 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 4 Jan 2027 – 17 Jan 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 Calgary?
The cheapest return found recently is $434 with Porter Airlines Canada, 4 Jan 2027 to 17 Jan 2027, found 3 days ago.
How much is a one-way flight from Boston to Calgary?
The cheapest one-way found recently is $206 with jetBlue, 1 Mar 2027, found yesterday. The cheapest one-way fare on each of 4 departure dates is usually $214 to $221.
What is the cheapest month to fly from Boston to Calgary?
January 2027 is the cheapest month for a return, from $434, 4 Jan 2027 to 17 Jan 2027, found 3 days ago. March 2027 is the cheapest month for a one-way, from $206, 1 Mar 2027, found yesterday.
How far ahead should I book a flight from Boston to Calgary?
In 38 days of prices between 6 Oct and 12 Nov, return fares 60 to 89 days before departure were typically 16% lower than 14 to 29 days before departure.
How long is the flight from Boston to Calgary?
The cheapest one-way found recently, with jetBlue on 1 Mar 2027, takes 50 h 20 min with 3 stops.
Which airlines have the cheapest flights from Boston to Calgary?
Between 1 Mar 2027 and 1 Sept 2027, Porter Airlines Canada has the cheapest one-way on 3 of the 4 departure dates we hold, and jetBlue 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