Flights from Canada to the United States from $ 190*
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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)
01/21/26 - 01/28/26
Roundtrip
Business
from
$Â 337
Viewed: 1 day ago
Toronto (YYZ)to
San Francisco (SFO)
01/10/26 - 01/18/26
Roundtrip
Business
from
$Â 967
Viewed: 16 hours ago
Vancouver (YVR)to
Los Angeles (LAX)
02/13/26 - 02/17/26
Roundtrip
Business
from
$Â 660
Viewed: 14 hours ago
Toronto (YYZ)to
Newark/New York (EWR)
12/24/25 - 12/28/25
Roundtrip
Business
from
$Â 734
Viewed: 1 hour ago
Toronto (YYZ)to
Chicago (ORD)
01/14/26 - 01/18/26
Roundtrip
Business
from
$Â 620
Viewed: 12 hours ago
Toronto (YYZ)to
Houston (IAH)
01/08/26 - 01/12/26
Roundtrip
Business
from
$Â 919
Viewed: 1 day ago
Edmonton (YEG)to
Houston (IAH)
01/14/26 - 01/17/26
Roundtrip
Business
from
$Â 1,135
Viewed: 16 hours ago
Calgary (YYC)to
San Francisco (SFO)
03/13/26 - 03/23/26
Roundtrip
Business
from
$Â 617
Viewed: 9 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.