Flights from United States to Ireland from $ 573*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Best prices for United flights from United States to Ireland

$
keyboard_arrow_down

  • Newark/New York (EWR)to

    Shannon (SNN)
    05/08/26 - 05/12/26
    from
    $ 632
    Viewed: 12 hours ago
    Roundtrip
    Economy

    Denver (DEN)to

    Dublin (DUB)
    05/08/26 - 05/12/26
    from
    $ 892
    Viewed: 12 hours ago
    Roundtrip
    Economy

    Houston (IAH)to

    Dublin (DUB)
    05/08/26 - 05/12/26
    from
    $ 977
    Viewed: 11 hours ago
    Roundtrip
    Economy

    Chicago (ORD)to

    Shannon (SNN)
    05/13/26 - 05/27/26
    from
    $ 864
    Viewed: 10 hours ago
    Roundtrip
    Economy

  • Los Angeles (LAX)to

    Dublin (DUB)
    05/27/26 - 06/11/26
    from
    $ 1,020
    Viewed: 6 hours ago
    Roundtrip
    Economy

    Boston (BOS)to

    Dublin (DUB)
    05/29/26 - 06/02/26
    from
    $ 631
    Viewed: 13 hours ago
    Roundtrip
    Economy

    San Francisco (SFO)to

    Shannon (SNN)
    05/10/26 - 05/24/26
    from
    $ 906
    Viewed: 10 hours ago
    Roundtrip
    Economy

    Orlando (MCO)to

    Dublin (DUB)
    05/13/26 - 05/27/26
    from
    $ 1,034
    Viewed: 11 hours ago
    Roundtrip
    Economy

  • Portland, OR (PDX)to

    Dublin (DUB)
    05/12/26 - 05/26/26
    from
    $ 900
    Viewed: 11 hours ago
    Roundtrip
    Economy

    Denver (DEN)to

    Shannon (SNN)
    05/08/26 - 05/12/26
    from
    $ 728
    Viewed: 12 hours ago
    Roundtrip
    Economy

    Sacramento (SMF)to

    Dublin (DUB)
    05/13/26 - 05/27/26
    from
    $ 935
    Viewed: 9 hours ago
    Roundtrip
    Economy

    Raleigh (RDU)to

    Dublin (DUB)
    05/27/26 - 06/03/26
    from
    $ 855
    Viewed: 10 hours ago
    Roundtrip
    Economy

  • Cleveland (CLE)to

    Dublin (DUB)
    05/13/26 - 05/27/26
    from
    $ 816
    Viewed: 12 hours ago
    Roundtrip
    Economy

    Tampa (TPA)to

    Dublin (DUB)
    05/08/26 - 05/12/26
    from
    $ 892
    Viewed: 9 hours ago
    Roundtrip
    Economy

    Cincinnati (CVG)to

    Dublin (DUB)
    05/08/26 - 05/12/26
    from
    $ 796
    Viewed: 12 hours ago
    Roundtrip
    Economy

    Austin (AUS)to

    Dublin (DUB)
    05/08/26 - 05/12/26
    from
    $ 962
    Viewed: 13 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 United States to Ireland

$

Newark/New York (EWR)to

Dublin (DUB)
08/25/26 - 09/01/26

Roundtrip

Business

from
$ 3,540
Viewed: 3 hours ago

Chicago (ORD)to

Dublin (DUB)
08/12/26 - 08/25/26

Roundtrip

Business

from
$ 4,481
Viewed: 5 hours ago

Washington, D.C. (IAD)to

Dublin (DUB)
07/29/26 - 08/04/26

Roundtrip

Business

from
$ 4,836
Viewed: 8 hours ago

Newark/New York (EWR)to

Shannon (SNN)
07/27/26 - 08/03/26

Roundtrip

Business

from
$ 3,560
Viewed: 8 hours ago

San Francisco (SFO)to

Dublin (DUB)
08/05/26 - 08/23/26

Roundtrip

Business

from
$ 5,782
Viewed: 1 day ago

Denver (DEN)to

Dublin (DUB)
11/18/26 - 11/26/26

Roundtrip

Business

from
$ 5,674
Viewed: 6 hours ago

Houston (IAH)to

Dublin (DUB)
08/14/26 - 08/22/26

Roundtrip

Business

from
$ 6,310
Viewed: 18 hours ago

Chicago (ORD)to

Shannon (SNN)
08/05/26 - 08/27/26

Roundtrip

Business

from
$ 4,507
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.

Explore more United flights from United States to Ireland