Flights from Ottawa to the United States from $ 294*

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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

    Las Vegas (LAS)
    05/01/26 - 05/04/26
    from
    $ 346
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Washington, D.C. (IAD)
    04/03/26 - 04/06/26
    from
    $ 736
    Viewed: 37 minutes ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Los Angeles (LAX)
    07/25/26 - 08/24/26
    from
    $ 437
    Viewed: 1 day ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Houston (IAH)
    05/14/26 - 05/20/26
    from
    $ 625
    Viewed: 1 day ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    Kansas City (MCI)
    04/01/26 - 04/05/26
    from
    $ 785
    Viewed: 1 day ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Tampa (TPA)
    05/26/26 - 05/30/26
    from
    $ 383
    Viewed: 1 day ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Seattle (SEA)
    05/14/26 - 05/18/26
    from
    $ 481
    Viewed: 15 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Miami (MIA)
    06/03/26 - 06/08/26
    from
    $ 371
    Viewed: 5 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    San Jose (SJC)
    04/26/26 - 05/01/26
    from
    $ 693
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Fort Lauderdale (FLL)
    05/29/26 - 06/05/26
    from
    $ 294
    Viewed: 1 day ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    San Francisco (SFO)
    04/26/26 - 05/01/26
    from
    $ 658
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Dallas (DFW)
    04/20/26 - 05/12/26
    from
    $ 528
    Viewed: 22 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    New Orleans (MSY)
    05/23/26 - 05/25/26
    from
    $ 655
    Viewed: 13 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Orange County (SNA)
    04/26/26 - 05/01/26
    from
    $ 731
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    San Antonio (SAT)
    04/26/26 - 04/30/26
    from
    $ 580
    Viewed: 17 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Maui (OGG)
    07/12/26 - 07/26/26
    from
    $ 1,360
    Viewed: 16 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

Orlando (MCO)
04/07/26 - 04/11/26

Roundtrip

Business

from
$ 1,744
Viewed: 3 hours ago

Ottawa (YOW)to

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

Roundtrip

Business

from
$ 862
Viewed: 1 day ago

Ottawa (YOW)to

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

Roundtrip

Business

from
$ 825
Viewed: 3 hours ago

Ottawa (YOW)to

Las Vegas (LAS)
05/03/26 - 05/06/26

Roundtrip

Business

from
$ 1,964
Viewed: 1 day ago

Ottawa (YOW)to

Austin (AUS)
04/01/26 - 04/03/26

Roundtrip

Business

from
$ 1,663
Viewed: 1 day ago

Ottawa (YOW)to

Washington, D.C. (IAD)
04/03/26 - 04/06/26

Roundtrip

Business

from
$ 1,883
Viewed: 37 minutes ago

Ottawa (YOW)to

Seattle (SEA)
05/29/26 - 05/31/26

Roundtrip

Business

from
$ 1,415
Viewed: 6 hours ago

Ottawa (YOW)to

Los Angeles (LAX)
07/25/26 - 08/24/26

Roundtrip

Business

from
$ 1,975
Viewed: 1 day 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.