Flights from Ireland to the United States from $ 636*

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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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  • Dublin (DUB)to

    Denver (DEN)
    03/31/26 - 04/08/26
    from
    $ 912
    Viewed: 3 hours ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Los Angeles (LAX)
    03/16/26 - 03/29/26
    from
    $ 853
    Viewed: 7 hours ago
    Roundtrip
    Economy

    Shannon (SNN)to

    Chicago (ORD)
    03/29/26 - 04/03/26
    from
    $ 1,054
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Dublin (DUB)to

    Fort Myers (RSW)
    03/27/26 - 04/02/26
    from
    $ 968
    Viewed: 8 hours ago
    Roundtrip
    Economy

  • Dublin (DUB)to

    Honolulu (HNL)
    03/30/26 - 04/09/26
    from
    $ 1,848
    Viewed: 1 day ago
    Roundtrip
    Economy

    Shannon (SNN)to

    San Francisco (SFO)
    03/07/26 - 03/14/26
    from
    $ 2,249
    Viewed: 2 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)
08/01/26 - 08/12/26

Roundtrip

Business

from
$ 3,165
Viewed: 2 hours ago

Dublin (DUB)to

Washington, D.C. (IAD)
03/16/26 - 03/20/26

Roundtrip

Business

from
$ 3,831
Viewed: 12 hours ago

Dublin (DUB)to

Chicago (ORD)
07/14/26 - 08/11/26

Roundtrip

Business

from
$ 3,172
Viewed: 18 hours ago

Shannon (SNN)to

Newark/New York (EWR)
09/24/26 - 10/08/26

Roundtrip

Business

from
$ 3,518
Viewed: 22 hours ago

Dublin (DUB)to

Orlando (MCO)
10/26/26 - 11/14/26

Roundtrip

Business

from
$ 4,009
Viewed: 10 hours ago

Dublin (DUB)to

San Francisco (SFO)
03/08/26 - 03/27/26

Roundtrip

Business

from
$ 4,454
Viewed: 19 hours ago

Dublin (DUB)to

Houston (IAH)
06/15/26 - 07/19/26

Roundtrip

Business

from
$ 3,629
Viewed: 5 hours ago

Dublin (DUB)to

Denver (DEN)
03/31/26 - 04/08/26

Roundtrip

Business

from
$ 3,569
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