Flights from Canada to the United States from $ 262*

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Changed bag rules and optional services         Cruise Packages

Best prices for United flights from Canada to United States

$
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  • Toronto (YYZ)to

    Newark/New York (EWR)
    06/19/26 - 06/29/26
    from
    $ 337
    Viewed: 10 hours ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Los Angeles (LAX)
    06/11/26 - 06/24/26
    from
    $ 380
    Viewed: 1 day ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Los Angeles (LAX)
    06/13/26 - 06/22/26
    from
    $ 468
    Viewed: 5 hours ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Houston (IAH)
    06/26/26 - 07/05/26
    from
    $ 532
    Viewed: 1 day ago
    Roundtrip
    Economy

  • Montreal (YUL)to

    San Francisco (SFO)
    06/02/26 - 07/26/26
    from
    $ 822
    Viewed: 5 hours ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Chicago (ORD)
    06/26/26 - 07/02/26
    from
    $ 262
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Montreal (YUL)to

    Newark/New York (EWR)
    06/11/26 - 06/14/26
    from
    $ 304
    Viewed: 16 hours ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Houston (IAH)
    06/27/26 - 07/05/26
    from
    $ 666
    Viewed: 10 hours ago
    Roundtrip
    Economy

  • Calgary (YYC)to

    San Francisco (SFO)
    06/01/26 - 06/02/26
    from
    $ 737
    Viewed: 13 hours ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Denver (DEN)
    06/23/26 - 06/30/26
    from
    $ 499
    Viewed: 7 hours ago
    Roundtrip
    Economy

    Calgary (YYC)to

    Houston (IAH)
    06/20/26 - 06/27/26
    from
    $ 458
    Viewed: 13 minutes ago
    Roundtrip
    Economy

    Montreal (YUL)to

    Chicago (ORD)
    06/02/26 - 07/02/26
    from
    $ 623
    Viewed: 3 hours ago
    Roundtrip
    Economy

  • Vancouver (YVR)to

    Denver (DEN)
    06/09/26 - 06/11/26
    from
    $ 865
    Viewed: 8 hours ago
    Roundtrip
    Economy

    Calgary (YYC)to

    Chicago (ORD)
    06/12/26 - 06/15/26
    from
    $ 277
    Viewed: 20 hours ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Las Vegas (LAS)
    06/15/26 - 06/22/26
    from
    $ 301
    Viewed: 5 hours ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Washington, D.C. (IAD)
    06/04/26 - 06/16/26
    from
    $ 796
    Viewed: 10 hours ago
    Roundtrip
    Economy

*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

$

Vancouver (YVR)to

San Francisco (SFO)
06/20/26 - 06/22/26

Roundtrip

Business

from
$ 461
Viewed: 1 day ago

Toronto (YYZ)to

San Francisco (SFO)
07/17/26 - 07/20/26

Roundtrip

Business

from
$ 916
Viewed: 1 day ago

Vancouver (YVR)to

Los Angeles (LAX)
07/14/26 - 07/31/26

Roundtrip

Business

from
$ 689
Viewed: 13 hours ago

Vancouver (YVR)to

Newark/New York (EWR)
06/29/26 - 07/04/26

Roundtrip

Business

from
$ 1,520
Viewed: 3 hours ago

Vancouver (YVR)to

Chicago (ORD)
06/07/26 - 06/10/26

Roundtrip

Business

from
$ 1,313
Viewed: 14 hours ago

Toronto (YYZ)to

Newark/New York (EWR)
06/12/26 - 06/14/26

Roundtrip

Business

from
$ 647
Viewed: 5 hours ago

Toronto (YYZ)to

Houston (IAH)
07/11/26 - 07/18/26

Roundtrip

Business

from
$ 834
Viewed: 9 hours ago

Toronto (YYZ)to

Los Angeles (LAX)
06/13/26 - 06/22/26

Roundtrip

Business

from
$ 1,424
Viewed: 5 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.

Explore more United flights from Canada to the United States