Flights from United States to Ireland from $ 344*
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1 Passenger, Economy
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today
today
Best prices for United flights from United States to Ireland
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*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
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Newark/New York (EWR)to
Dublin (DUB)
02/21/26 - 02/23/26
Roundtrip
Business
from
$Â 2,892
Viewed: 18 hours ago
Chicago (ORD)to
Dublin (DUB)
01/17/26 - 01/22/26
Roundtrip
Business
from
$Â 3,192
Viewed: 23 hours ago
Denver (DEN)to
Dublin (DUB)
07/22/26 - 07/29/26
Roundtrip
Business
from
$Â 4,654
Viewed: 6 hours ago
Washington, D.C. (IAD)to
Dublin (DUB)
04/29/26 - 05/12/26
Roundtrip
Business
from
$Â 4,007
Viewed: 22 hours ago
Newark/New York (EWR)to
Shannon (SNN)
03/24/26 - 04/07/26
Roundtrip
Business
from
$Â 3,101
Viewed: 17 hours ago
Houston (IAH)to
Dublin (DUB)
03/09/26 - 03/12/26
Roundtrip
Business
from
$Â 2,707
Viewed: 1 hour ago
Los Angeles (LAX)to
Dublin (DUB)
09/01/26 - 09/22/26
Roundtrip
Business
from
$Â 4,625
Viewed: 1 minute ago
San Francisco (SFO)to
Dublin (DUB)
08/04/26 - 08/12/26
Roundtrip
Business
from
$Â 4,505
Viewed: 1 day 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.