AirHint found the following cheapest return flights from Philadelphia (PHL) to Dublin (DUB) in February 2026 (see full year).

Return flights

10 Feb - 17 Feb	Finnair	direct
28 Feb - 08 Mar	Air Canada
13 Feb - 17 Feb	Finnair	direct
25 Feb - 04 Mar	Aer Lingus	direct
28 Feb - 08 Mar	Finnair	direct
12 Feb - 15 Feb	Finnair	direct
05 Feb - 12 Feb	Aer Lingus	direct
15 Feb - 22 Feb	Aer Lingus	direct
09 Feb - 14 Feb	Aer Lingus	direct
11 Feb - 14 Feb	Finnair
11 Feb - 14 Feb	Iberia	direct

Also check the deals for one-way flights from Philadelphia to Dublin in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Philadelphia to Dublin in February from $437

Return flights