$591 Cheap United flights Ontario (ONT) to Dublin (DUB)

View $591 flight on Mon, Sep 15, 2025Opens in a new window

$591 Cheap United flights Ontario (ONT) to Dublin (DUB)

Prices were available within the past 7 days and start at $591 for one-way flights and $683 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Sep 14 - Tue, Sep 23
ONT
Ontario
DUB
Dublin
$683 Roundtrip, found 1 day ago
$683
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 14 from Ontario to Dublin, returning Tue, Sep 23, priced at $683 found 1 day ago
United
Wed, Sep 17 - Tue, Sep 23
ONT
Ontario
DUB
Dublin
$761 Roundtrip, found 1 day ago
$761
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Ontario to Dublin, returning Tue, Sep 23, priced at $761 found 1 day ago
United
Sun, Sep 14 - Sun, Sep 28
ONT
Ontario
DUB
Dublin
$770 Roundtrip, found 1 day ago
$770
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 14 from Ontario to Dublin, returning Sun, Sep 28, priced at $770 found 1 day ago
United
Mon, Sep 15 - Fri, Sep 26
ONT
Ontario
DUB
Dublin
$793 Roundtrip, found 1 day ago
$793
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 15 from Ontario to Dublin, returning Fri, Sep 26, priced at $793 found 1 day ago
United
Mon, Sep 15 - Fri, Sep 26
ONT
Ontario
DUB
Dublin
$814 Roundtrip, found 1 day ago
$814
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 15 from Ontario to Dublin, returning Fri, Sep 26, priced at $814 found 1 day ago
United
Thu, Sep 18 - Tue, Sep 23
ONT
Ontario
DUB
Dublin
$821 Roundtrip, found 1 day ago
$821
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 18 from Ontario to Dublin, returning Tue, Sep 23, priced at $821 found 1 day ago
United
Mon, Sep 15 - Fri, Sep 26
ONT
Ontario
DUB
Dublin
$843 Roundtrip, found 1 day ago
$843
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 15 from Ontario to Dublin, returning Fri, Sep 26, priced at $843 found 1 day ago
United
Mon, Sep 15 - Fri, Sep 26
ONT
Ontario
DUB
Dublin
$845 Roundtrip, found 1 day ago
$845
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 15 from Ontario to Dublin, returning Fri, Sep 26, priced at $845 found 1 day ago
United
Wed, Sep 17 - Sun, Sep 28
ONT
Ontario
DUB
Dublin
$848 Roundtrip, found 1 day ago
$848
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Ontario to Dublin, returning Sun, Sep 28, priced at $848 found 1 day ago