Flights from Ottawa to the United States from $ 286*

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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

    Orange County (SNA)
    03/19/26 - 03/23/26
    from
    $ 640
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Chicago (ORD)
    06/02/26 - 06/05/26
    from
    $ 604
    Viewed: 4 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Denver (DEN)
    01/15/26 - 01/19/26
    from
    $ 731
    Viewed: 6 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Palm Springs (PSP)
    01/31/26 - 02/28/26
    from
    $ 295
    Viewed: 23 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    Austin (AUS)
    12/26/25 - 12/30/25
    from
    $ 633
    Viewed: 6 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Tucson (TUS)
    01/28/26 - 02/02/26
    from
    $ 506
    Viewed: 41 minutes ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Orlando (MCO)
    02/28/26 - 03/05/26
    from
    $ 286
    Viewed: 6 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    New Orleans (MSY)
    01/23/26 - 01/26/26
    from
    $ 354
    Viewed: 21 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

Los Angeles (LAX)
03/14/26 - 03/21/26

Roundtrip

Business

from
$ 2,057
Viewed: 3 hours ago

Ottawa (YOW)to

Las Vegas (LAS)
04/04/26 - 04/09/26

Roundtrip

Business

from
$ 1,943
Viewed: 4 hours ago

Ottawa (YOW)to

Fort Lauderdale (FLL)
03/14/26 - 03/22/26

Roundtrip

Business

from
$ 1,727
Viewed: 6 hours ago

Ottawa (YOW)to

San Diego (SAN)
02/01/26 - 02/05/26

Roundtrip

Business

from
$ 1,734
Viewed: 1 day ago

Ottawa (YOW)to

Orange County (SNA)
03/19/26 - 03/23/26

Roundtrip

Business

from
$ 2,258
Viewed: 2 hours ago

Ottawa (YOW)to

Chicago (ORD)
06/02/26 - 06/05/26

Roundtrip

Business

from
$ 1,083
Viewed: 4 hours ago

Ottawa (YOW)to

Denver (DEN)
01/15/26 - 01/19/26

Roundtrip

Business

from
$ 1,327
Viewed: 6 hours ago

Ottawa (YOW)to

Palm Springs (PSP)
01/31/26 - 02/28/26

Roundtrip

Business

from
$ 2,088
Viewed: 23 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.