Cheapest return flights from Philadelphia (PHL) to Dublin (DUB), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
12 Aug 27 Aug Frontier Airlines
28 Aug 04 Sep Allegiant Air
17 Aug 25 Aug Frontier Airlines
19 Aug 08 Sep Frontier Airlines
12 Aug 26 Aug Frontier Airlines
23 Aug 01 Sep jetBlue
25 Aug 08 Sep jetBlue
15 Aug 22 Aug Frontier Airlines
23 Aug 11 Sep jetBlue
19 Aug 26 Aug Frontier Airlines
15 Aug 30 Aug Frontier Airlines
14 Aug 26 Aug Frontier Airlines
17 Aug 24 Aug Frontier Airlines
23 Aug 31 Aug jetBlue
13 Aug 20 Aug Frontier Airlines
25 Aug 08 Sep Aer Lingus
Direct Flight
23 Aug 01 Sep Iberia
Direct Flight
19 Aug 08 Sep Finnair
Direct Flight
26 Aug 02 Sep Aer Lingus
Direct Flight
23 Aug 11 Sep Aer Lingus
Direct Flight
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deals for one-way flights from Philadelphia to Dublin in August.

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Updated Jul 23, 2026.

About these fares

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