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

Return flights

23 Feb - 03 Mar	Finnair	direct
23 Feb - 04 Mar	Finnair	direct
18 Feb - 26 Feb	Finnair	direct
23 Feb - 02 Mar	Delta
13 Feb - 21 Feb	Iberia
27 Feb - 16 Mar	Finnair	direct
21 Feb - 28 Feb	Air Canada
23 Feb - 28 Feb	Air France
19 Feb - 24 Feb	Delta
20 Feb - 23 Feb	Delta
15 Feb - 23 Feb	Delta
16 Feb - 23 Feb	Delta
26 Feb - 09 Mar	Lufthansa
22 Feb - 28 Feb	Lufthansa
14 Feb - 22 Feb	Delta
22 Feb - 02 Mar	United
23 Feb - 02 Mar	Finnair	direct
26 Feb - 09 Mar	Finnair	direct
23 Feb - 06 Mar	United
27 Feb - 01 Mar	Aer Lingus	direct

Also check the deals for one-way flights from Dublin to Philadelphia 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 Dublin to Philadelphia in February from 355€

Return flights