Flights from United States to Ireland from $ 344*

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)
    12/31/25 - 01/14/26
    from
    $ 595
    Viewed: 12 hours ago
    Roundtrip
    Economy

    Houston (IAH)to

    Dublin (DUB)
    12/30/25 - 01/13/26
    from
    $ 776
    Viewed: 12 hours ago
    Roundtrip
    Economy

    San Francisco (SFO)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 636
    Viewed: 9 hours ago
    Roundtrip
    Economy

    Los Angeles (LAX)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 637
    Viewed: 11 hours ago
    Roundtrip
    Economy

  • Chicago (ORD)to

    Shannon (SNN)
    12/31/25 - 01/14/26
    from
    $ 769
    Viewed: 11 hours ago
    Roundtrip
    Economy

    Portland, OR (PDX)to

    Dublin (DUB)
    12/06/25 - 12/13/25
    from
    $ 478
    Viewed: 10 hours ago
    Roundtrip
    Economy

    Cleveland (CLE)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 507
    Viewed: 13 hours ago
    Roundtrip
    Economy

    Boston (BOS)to

    Dublin (DUB)
    12/07/25 - 12/14/25
    from
    $ 348
    Viewed: 13 hours ago
    Roundtrip
    Economy

  • Austin (AUS)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 478
    Viewed: 14 hours ago
    Roundtrip
    Economy

    Orlando (MCO)to

    Dublin (DUB)
    12/30/25 - 01/13/26
    from
    $ 692
    Viewed: 11 hours ago
    Roundtrip
    Economy

    San Diego (SAN)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 478
    Viewed: 9 hours ago
    Roundtrip
    Economy

    Phoenix (PHX)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 677
    Viewed: 10 hours ago
    Roundtrip
    Economy

  • Saint Louis (STL)to

    Dublin (DUB)
    12/06/25 - 12/13/25
    from
    $ 468
    Viewed: 9 hours ago
    Roundtrip
    Economy

    Tampa (TPA)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 478
    Viewed: 9 hours ago
    Roundtrip
    Economy

    Columbus (CMH)to

    Dublin (DUB)
    12/07/25 - 12/14/25
    from
    $ 468
    Viewed: 13 hours ago
    Roundtrip
    Economy

    Raleigh (RDU)to

    Dublin (DUB)
    12/31/25 - 01/14/26
    from
    $ 468
    Viewed: 10 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)
12/26/25 - 12/29/25

Roundtrip

Business

from
$ 3,023
Viewed: 13 hours ago

Chicago (ORD)to

Dublin (DUB)
12/26/25 - 01/01/26

Roundtrip

Business

from
$ 3,238
Viewed: 17 hours ago

Washington, D.C. (IAD)to

Dublin (DUB)
12/22/25 - 12/29/25

Roundtrip

Business

from
$ 3,227
Viewed: 7 hours ago

Denver (DEN)to

Dublin (DUB)
03/28/26 - 04/06/26

Roundtrip

Business

from
$ 4,601
Viewed: 11 hours ago

Newark/New York (EWR)to

Shannon (SNN)
12/30/25 - 01/09/26

Roundtrip

Business

from
$ 3,074
Viewed: 6 hours ago

Houston (IAH)to

Dublin (DUB)
01/19/26 - 01/27/26

Roundtrip

Business

from
$ 3,195
Viewed: 5 hours ago

San Francisco (SFO)to

Dublin (DUB)
01/01/26 - 02/08/26

Roundtrip

Business

from
$ 4,822
Viewed: 9 hours ago

Los Angeles (LAX)to

Dublin (DUB)
12/29/25 - 01/09/26

Roundtrip

Business

from
$ 3,257
Viewed: 5 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