Flights from Canada to the United States from $ 168*
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1 Passenger, Economy
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today
today
Best prices for United flights from Canada to United States
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$
*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
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$
Vancouver (YVR)to
San Francisco (SFO)
01/26/26 - 03/04/26
Roundtrip
Business
from
$Â 387
Viewed: 1 day ago
Vancouver (YVR)to
Los Angeles (LAX)
03/21/26 - 03/28/26
Roundtrip
Business
from
$Â 760
Viewed: 1 hour ago
Toronto (YYZ)to
Newark/New York (EWR)
01/05/26 - 01/08/26
Roundtrip
Business
from
$Â 652
Viewed: 10 minutes ago
Toronto (YYZ)to
San Francisco (SFO)
01/11/26 - 01/15/26
Roundtrip
Business
from
$Â 1,393
Viewed: 1 day ago
Calgary (YYC)to
San Francisco (SFO)
03/13/26 - 03/23/26
Roundtrip
Business
from
$Â 632
Viewed: 1 day ago
Toronto (YYZ)to
Chicago (ORD)
01/01/26 - 01/04/26
Roundtrip
Business
from
$Â 671
Viewed: 1 day ago
Toronto (YYZ)to
Los Angeles (LAX)
01/13/26 - 01/17/26
Roundtrip
Business
from
$Â 1,230
Viewed: 1 day ago
Vancouver (YVR)to
Newark/New York (EWR)
01/01/26 - 01/05/26
Roundtrip
Business
from
$Â 2,132
Viewed: 18 minutes 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.