C$ 108 Find Cheap Flights from Boston to Calgary – Compare and Save

Among airlines operating Boston to Calgary flights:

• WestJet: offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only WestJet operates flights between Boston and Calgary.

Flights from Boston to Calgary usually depart from Boston Logan Intl (BOS) and arrive at Calgary (YYC).

Here are some options for this route, based on selected ticket types and cabin classes:

• WestJet: a carry-on bag and a checked bag in Economy Class
• Delta: a carry-on bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy Class is available on flights from Boston to Calgary.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 333 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to C$ 557 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 42–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by WestJet and Delta. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Boston to Calgary most commonly connect through:

• Toronto Pearson Intl (YYZ) – 43% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) – 24% of one-stop connections
• Chicago O'Hare Intl (ORD) – 11% of one-stop connections
• Ottawa (YOW) – 10% of one-stop connections

Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 21% on the Boston to Calgary route. Tuesday is the cheapest departure day at C$ 532 round-trip on average, while Friday is the most expensive at C$ 668, a difference of C$ 136. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Calgary are Stampede Park, Scotiabank Saddledome, and Calgary Zoo. These are among the most viewed places in Calgary on KAYAK.

These are the earliest and latest flight times available from Boston to Calgary:

• Earliest: departs at 6:30 pm and lands at 11:55 pm
• Latest: departs at 6:30 pm and lands at 11:55 pm.

The flight takes about 5h 25m.

Last-minute fares on this route – booked within 2 weeks of departure – run 64% above the route average of C$ 606. Book 13 weeks before departure for the lowest fares.

A direct flight from Boston to Calgary takes 5h 25m, covering 5,412 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Boston to Calgary are currently lower than usual. Average one-way flight prices are about C$ 131, which is 64% below the typical average for this route.

Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 7h 20m, compared with 7h 20m via Detroit Metropolitan Wayne County (DTW) and 7h 36m via Washington, D.C. Dulles Intl (IAD).

Calgary is 2 hours behind Boston (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Calgary Airport (YYC) hosts 5 major car rental companies, with daily rates starting from around C$ 6 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Avis
• Thrifty
• Budget
• Hertz

Round-trip flights from Boston to Calgary range from C$ 456 to C$ 794, with an average of C$ 606 over the past 12 months. Anything below C$ 456 counts as a good deal.