Flights from Canada to the United States from $ 183*
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
Best prices for United flights from Canada to United States
flight_takeoff
flight_land
$
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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. Schedules are subject to change without notice.
Best business class fares from Canada to the United States
flight_takeoff
flight_land
$
Vancouver (YVR)to
San Francisco (SFO)
02/21/26 - 02/24/26
Roundtrip
Business
from
$Â 487
Viewed: 8 hours ago
Toronto (YYZ)to
Newark/New York (EWR)
01/08/26 - 01/12/26
Roundtrip
Business
from
$Â 637
Viewed: 8 hours ago
Vancouver (YVR)to
Los Angeles (LAX)
01/09/26 - 01/18/26
Roundtrip
Business
from
$Â 647
Viewed: 9 hours ago
Toronto (YYZ)to
San Francisco (SFO)
01/08/26 - 02/15/26
Roundtrip
Business
from
$Â 1,142
Viewed: 15 hours ago
Toronto (YYZ)to
Los Angeles (LAX)
12/28/25 - 01/04/26
Roundtrip
Business
from
$Â 2,581
Viewed: 9 hours ago
Calgary (YYC)to
San Francisco (SFO)
03/13/26 - 03/23/26
Roundtrip
Business
from
$Â 646
Viewed: 12 hours ago
Toronto (YYZ)to
Houston (IAH)
12/28/25 - 01/04/26
Roundtrip
Business
from
$Â 1,529
Viewed: 7 hours ago
Toronto (YYZ)to
Chicago (ORD)
01/02/26 - 01/11/26
Roundtrip
Business
from
$Â 668
Viewed: 17 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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. Schedules are subject to change without notice.