Flights from Ireland to the United States from $ 729*

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Changed bag rules and optional services         Cruise Packages

Best prices for United flights from Ireland to United States

$
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  • Shannon (SNN)to

    Chicago (ORD)
    05/30/26 - 06/02/26
    from
    $ 851
    Viewed: 6 hours ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Boston (BOS)
    05/23/26 - 05/24/26
    from
    $ 778
    Viewed: 1 day ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Raleigh (RDU)
    06/10/26 - 11/11/26
    from
    $ 1,219
    Viewed: 20 hours ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Tampa (TPA)
    05/30/26 - 06/13/26
    from
    $ 927
    Viewed: 1 day ago
    Roundtrip
    Economy

  • Shannon (SNN)to

    Fort Lauderdale (FLL)
    06/05/26 - 06/12/26
    from
    $ 938
    Viewed: 21 hours ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Detroit (DTW)
    06/09/26 - 06/11/26
    from
    $ 1,716
    Viewed: 8 hours ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Saint Louis (STL)
    06/04/26 - 06/10/26
    from
    $ 1,246
    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.

Best business class fares from Ireland to the United States

$

Dublin (DUB)to

Newark/New York (EWR)
12/21/26 - 01/04/27

Roundtrip

Business

from
$ 3,799
Viewed: 1 day ago

Shannon (SNN)to

Newark/New York (EWR)
08/12/26 - 08/21/26

Roundtrip

Business

from
$ 3,805
Viewed: 21 hours ago

Dublin (DUB)to

Orlando (MCO)
03/22/27 - 04/01/27

Roundtrip

Business

from
$ 3,813
Viewed: 2 hours ago

Dublin (DUB)to

Chicago (ORD)
07/31/26 - 08/13/26

Roundtrip

Business

from
$ 3,808
Viewed: 22 hours ago

Dublin (DUB)to

Washington, D.C. (IAD)
06/20/26 - 06/27/26

Roundtrip

Business

from
$ 3,916
Viewed: 1 day ago

Shannon (SNN)to

Chicago (ORD)
07/31/26 - 08/07/26

Roundtrip

Business

from
$ 3,819
Viewed: 1 day ago

Dublin (DUB)to

Boston (BOS)
05/23/26 - 05/24/26

Roundtrip

Business

from
$ 4,320
Viewed: 1 day ago

Dublin (DUB)to

Denver (DEN)
10/04/26 - 10/08/26

Roundtrip

Business

from
$ 4,756
Viewed: 3 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 Ireland to the United States