Book United Calgary to Boston flight deals from $441

Select journey type

Enter to select travel class and passengers

Downtown Boston viewed from the harbor

Plan ahead for flights from Calgary to Boston

from
to
Type
Dates
Price*
Calgary (YYC)
to Boston (BOS)
Roundtrip
Depart Thu 20 Dec 2018
Return Wed 26 Dec 2018
from$ 441*Viewed: 1 day ago
Calgary (YYC)
to Boston (BOS)
Roundtrip
Depart Wed 3 Oct 2018
Return Mon 8 Oct 2018
from$ 517*Viewed: 21 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.