Flights from Ottawa to the United States from $ 290*

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Changed bag rules and optional services         Cruise Packages

Find United's best fares from Ottawa to the United States

$
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  • Ottawa (YOW)to

    San Diego (SAN)
    01/27/26 - 02/01/26
    from
    $ 513
    Viewed: 1 day ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Houston (IAH)
    02/25/26 - 02/27/26
    from
    $ 656
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Sacramento (SMF)
    03/14/26 - 03/21/26
    from
    $ 915
    Viewed: 1 day ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Jacksonville (JAX)
    02/16/26 - 02/28/26
    from
    $ 671
    Viewed: 21 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    Detroit (DTW)
    01/03/26 - 01/08/26
    from
    $ 935
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Tampa (TPA)
    04/04/26 - 04/11/26
    from
    $ 290
    Viewed: 12 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.

Business class flights from Ottawa to the United States

$

Ottawa (YOW)to

Fort Lauderdale (FLL)
02/28/26 - 03/08/26

Roundtrip

Business

from
$ 1,464
Viewed: 18 hours ago

Ottawa (YOW)to

San Antonio (SAT)
01/25/26 - 01/30/26

Roundtrip

Business

from
$ 1,267
Viewed: 22 hours ago

Ottawa (YOW)to

Nashville (BNA)
02/13/26 - 02/15/26

Roundtrip

Business

from
$ 887
Viewed: 16 hours ago

Ottawa (YOW)to

Honolulu (HNL)
02/08/26 - 02/16/26

Roundtrip

Business

from
$ 2,589
Viewed: 20 hours ago

Ottawa (YOW)to

San Diego (SAN)
01/27/26 - 02/01/26

Roundtrip

Business

from
$ 2,002
Viewed: 1 day ago

Ottawa (YOW)to

Houston (IAH)
02/25/26 - 02/27/26

Roundtrip

Business

from
$ 1,310
Viewed: 1 hour ago

Ottawa (YOW)to

Sacramento (SMF)
03/14/26 - 03/21/26

Roundtrip

Business

from
$ 1,780
Viewed: 1 day ago

Ottawa (YOW)to

Jacksonville (JAX)
02/16/26 - 02/28/26

Roundtrip

Business

from
$ 958
Viewed: 21 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.