Cheap flights from Dublin to Costa Mesa

View AU$882 flight on Fri, 29 Aug. 2025Opens in a new window

Popular airlines from Dublin to Costa Mesa

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Cheap Flights from Dublin (DUB) to Costa Mesa (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Fri, 7 Nov. - Sat, 15 Nov.
DUB
Dublin
ONT
Ontario
AU$1,090 Return, found 1 day ago
AU$1,090
Return
found 1 day ago
Select Iberia flight, departing Fri, 7 Nov. from Dublin to Ontario, returning Sat, 15 Nov., priced at AU$1,090 found 1 day ago
Iberia
Fri, 10 Oct. - Sun, 26 Oct.
DUB
Dublin
ONT
Ontario
AU$1,180 Return, found 4 days ago
AU$1,180
Return
found 4 days ago
Select Iberia flight, departing Fri, 10 Oct. from Dublin to Ontario, returning Sun, 26 Oct., priced at AU$1,180 found 4 days ago
American Airlines
Fri, 7 Nov. - Sat, 15 Nov.
DUB
Dublin
ONT
Ontario
AU$1,219 Return, found 1 day ago
AU$1,219
Return
found 1 day ago
Select American Airlines flight, departing Fri, 7 Nov. from Dublin to Ontario, returning Sat, 15 Nov., priced at AU$1,219 found 1 day ago
United
Thu, 31 Jul. - Thu, 7 Aug.
DUB
Dublin
SNA
Orange County
AU$1,340 Return, found 4 days ago
AU$1,340
Return
found 4 days ago
Select United flight, departing Thu, 31 Jul. from Dublin to Orange County, returning Thu, 7 Aug., priced at AU$1,340 found 4 days ago
Brussels Airlines
Thu, 31 Jul. - Thu, 7 Aug.
DUB
Dublin
SNA
Orange County
AU$1,498 Return, found 4 days ago
AU$1,498
Return
found 4 days ago
Select Brussels Airlines flight, departing Thu, 31 Jul. from Dublin to Orange County, returning Thu, 7 Aug., priced at AU$1,498 found 4 days ago
Delta
Thu, 31 Jul. - Thu, 7 Aug.
DUB
Dublin
ONT
Ontario
AU$1,519 Return, found 4 days ago
AU$1,519
Return
found 4 days ago
Select Delta flight, departing Thu, 31 Jul. from Dublin to Ontario, returning Thu, 7 Aug., priced at AU$1,519 found 4 days ago
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