Flights from Canada to the United States from $ 223*

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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)
    05/15/26 - 05/16/26
    from
    $ 286
    Viewed: 1 day ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Chicago (ORD)
    04/29/26 - 05/01/26
    from
    $ 642
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Newark/New York (EWR)
    04/23/26 - 04/26/26
    from
    $ 533
    Viewed: 1 day ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Houston (IAH)
    05/10/26 - 08/01/26
    from
    $ 543
    Viewed: 1 day ago
    Roundtrip
    Economy

  • Vancouver (YVR)to

    Denver (DEN)
    05/12/26 - 05/21/26
    from
    $ 699
    Viewed: 1 day ago
    Roundtrip
    Economy

    Calgary (YYC)to

    Houston (IAH)
    05/04/26 - 05/06/26
    from
    $ 399
    Viewed: 41 minutes ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Houston (IAH)
    05/04/26 - 05/06/26
    from
    $ 713
    Viewed: 1 day ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Los Angeles (LAX)
    05/08/26 - 05/12/26
    from
    $ 556
    Viewed: 1 day ago
    Roundtrip
    Economy

  • Calgary (YYC)to

    Denver (DEN)
    04/28/26 - 05/01/26
    from
    $ 490
    Viewed: 1 day ago
    Roundtrip
    Economy

    Calgary (YYC)to

    San Francisco (SFO)
    04/24/26 - 05/05/26
    from
    $ 451
    Viewed: 20 hours ago
    Roundtrip
    Economy

    Montreal (YUL)to

    San Francisco (SFO)
    04/27/26 - 04/30/26
    from
    $ 766
    Viewed: 1 day ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    Washington, D.C. (IAD)
    04/28/26 - 05/04/26
    from
    $ 672
    Viewed: 23 hours ago
    Roundtrip
    Economy

  • Calgary (YYC)to

    Chicago (ORD)
    04/22/26 - 04/25/26
    from
    $ 302
    Viewed: 6 hours ago
    Roundtrip
    Economy

    Vancouver (YVR)to

    San Diego (SAN)
    05/08/26 - 05/10/26
    from
    $ 512
    Viewed: 16 hours ago
    Roundtrip
    Economy

    Montreal (YUL)to

    Chicago (ORD)
    05/14/26 - 05/17/26
    from
    $ 321
    Viewed: 1 day ago
    Roundtrip
    Economy

    Toronto (YYZ)to

    Washington, D.C. (IAD)
    05/07/26 - 05/11/26
    from
    $ 296
    Viewed: 5 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)
06/03/26 - 06/09/26

Roundtrip

Business

from
$ 396
Viewed: 22 hours ago

Vancouver (YVR)to

Los Angeles (LAX)
05/01/26 - 05/04/26

Roundtrip

Business

from
$ 634
Viewed: 1 hour ago

Toronto (YYZ)to

San Francisco (SFO)
05/21/26 - 05/24/26

Roundtrip

Business

from
$ 898
Viewed: 1 day ago

Toronto (YYZ)to

Chicago (ORD)
05/08/26 - 05/09/26

Roundtrip

Business

from
$ 471
Viewed: 1 day ago

Toronto (YYZ)to

Newark/New York (EWR)
05/15/26 - 05/16/26

Roundtrip

Business

from
$ 447
Viewed: 1 day ago

Vancouver (YVR)to

Chicago (ORD)
06/16/26 - 06/19/26

Roundtrip

Business

from
$ 1,262
Viewed: 1 day ago

Toronto (YYZ)to

Houston (IAH)
05/20/26 - 05/24/26

Roundtrip

Business

from
$ 845
Viewed: 17 hours ago

Vancouver (YVR)to

Newark/New York (EWR)
06/09/26 - 06/17/26

Roundtrip

Business

from
$ 1,678
Viewed: 3 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