Flights from Ottawa to the United States from $ 357*

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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 Francisco (SFO)
    05/10/26 - 05/15/26
    from
    $ 1,097
    Viewed: 3 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Houston (IAH)
    06/01/26 - 06/04/26
    from
    $ 819
    Viewed: 5 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Phoenix (PHX)
    05/13/26 - 05/15/26
    from
    $ 1,069
    Viewed: 8 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Tampa (TPA)
    09/04/26 - 09/11/26
    from
    $ 589
    Viewed: 12 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    Washington, D.C. (IAD)
    05/21/26 - 05/22/26
    from
    $ 473
    Viewed: 4 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Orlando (MCO)
    06/07/26 - 06/11/26
    from
    $ 400
    Viewed: 19 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    San Diego (SAN)
    06/11/26 - 06/25/26
    from
    $ 650
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Minneapolis (MSP)
    09/09/26 - 09/20/26
    from
    $ 474
    Viewed: 7 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    Nashville (BNA)
    07/21/26 - 07/23/26
    from
    $ 426
    Viewed: 5 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Charlotte (CLT)
    06/20/26 - 07/31/26
    from
    $ 600
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    New Orleans (MSY)
    06/10/26 - 06/15/26
    from
    $ 582
    Viewed: 11 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Honolulu (HNL)
    05/12/26 - 05/16/26
    from
    $ 1,436
    Viewed: 4 hours ago
    Roundtrip
    Economy

  • Ottawa (YOW)to

    Newark/New York (LGA)
    06/17/26 - 06/19/26
    from
    $ 452
    Viewed: 51 minutes ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Sacramento (SMF)
    05/13/26 - 05/17/26
    from
    $ 864
    Viewed: 4 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Boston (BOS)
    09/05/26 - 09/19/26
    from
    $ 498
    Viewed: 5 hours ago
    Roundtrip
    Economy

    Ottawa (YOW)to

    Raleigh (RDU)
    05/14/26 - 05/27/26
    from
    $ 843
    Viewed: 3 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

Chicago (ORD)
06/19/26 - 06/21/26

Roundtrip

Business

from
$ 936
Viewed: 5 hours ago

Ottawa (YOW)to

Newark/New York (EWR)
07/13/26 - 07/19/26

Roundtrip

Business

from
$ 465
Viewed: 4 hours ago

Ottawa (YOW)to

Las Vegas (LAS)
05/26/26 - 05/29/26

Roundtrip

Business

from
$ 1,819
Viewed: 1 hour ago

Ottawa (YOW)to

Los Angeles (LAX)
06/08/26 - 06/11/26

Roundtrip

Business

from
$ 2,145
Viewed: 9 hours ago

Ottawa (YOW)to

San Francisco (SFO)
05/10/26 - 05/15/26

Roundtrip

Business

from
$ 1,738
Viewed: 3 hours ago

Ottawa (YOW)to

Houston (IAH)
06/01/26 - 06/04/26

Roundtrip

Business

from
$ 1,566
Viewed: 5 hours ago

Ottawa (YOW)to

Phoenix (PHX)
05/13/26 - 05/15/26

Roundtrip

Business

from
$ 2,291
Viewed: 8 hours ago

Ottawa (YOW)to

Tampa (TPA)
09/04/26 - 09/11/26

Roundtrip

Business

from
$ 1,318
Viewed: 12 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.