United Flight 23 Deals & Information (2025/2026)

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United Flight 23 Route Deals From $329

The cheapest prices found with in the last 7 days for return flights were $349 and $329 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 2 - Sat, Dec 13
EWR
Newark Liberty Intl. Airport
DUB
Dublin
$349 Roundtrip, found 4 hours ago
$349
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 2 from Newark Liberty Intl. Airport to Dublin, returning Sat, Dec 13, priced at $349 found 4 hours ago
Tue, Dec 2 - Sat, Dec 13
EWR
Newark Liberty Intl. Airport
DUB
Dublin
$353 Roundtrip, found 4 hours ago
$353
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 2 from Newark Liberty Intl. Airport to Dublin, returning Sat, Dec 13, priced at $353 found 4 hours ago
Tue, Dec 2 - Sat, Dec 13
EWR
Newark Liberty Intl. Airport
DUB
Dublin
$355 Roundtrip, found 4 hours ago
$355
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 2 from Newark Liberty Intl. Airport to Dublin, returning Sat, Dec 13, priced at $355 found 4 hours ago
Tue, Dec 2 - Sat, Dec 13
EWR
Newark Liberty Intl. Airport
DUB
Dublin
$359 Roundtrip, found 4 hours ago
$359
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 2 from Newark Liberty Intl. Airport to Dublin, returning Sat, Dec 13, priced at $359 found 4 hours ago
Wed, Nov 5 - Wed, Nov 19
EWR
Newark Liberty Intl. Airport
DUB
Dublin
$371 Roundtrip, found 7 hours ago
$371
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Nov 5 from Newark Liberty Intl. Airport to Dublin, returning Wed, Nov 19, priced at $371 found 7 hours ago
Wed, Oct 22 - Sat, Nov 1
EWR
Newark Liberty Intl. Airport
DUB
Dublin
$378 Roundtrip, found 1 day ago
$378
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from Newark Liberty Intl. Airport to Dublin, returning Sat, Nov 1, priced at $378 found 1 day ago

Frequently asked questions

What route does flight number UA23 take?
Flight number UA23 takes about 6 hours and 25 minutes to fly directly from Liberty Intl. Airport (EWR) to DUB. We all know there's magic in the destination, but half the fun is in the journey!
What terminal does UA23 fly out of?
Flight number UA23 runs between EWR and Dublin Airport (DUB), and passengers booked on this flight normally board the plane from Terminal C.
What kind of plane is on flight number UA23?
The route for UA23 is generally Newark, NJ Airport (EWR-Liberty Intl.) to DUB, and the Boeing 787-10 is the type of plane you'll probably be jetting off with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA23 flight with Travelocity, please visit our Customer Service Portal.