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

Return flights

02 Apr - 06 Apr	Finnair
14 Apr - 21 Apr	Finnair
21 Apr - 28 Apr	Finnair
01 Apr - 06 Apr	Finnair
19 Apr - 25 Apr	Finnair
16 Apr - 28 Apr	Finnair
16 Apr - 27 Apr	Finnair
18 Apr - 22 Apr	Finnair
17 Apr - 19 Apr	Finnair
08 Apr - 14 Apr	Finnair
30 Apr - 04 May	Finnair
20 Apr - 06 May	Finnair
24 Apr - 02 May	Finnair
30 Apr - 05 May	Finnair
30 Apr - 07 May	Finnair	direct
20 Apr - 06 May	Finnair	direct
25 Apr - 02 May	British Airways
24 Apr - 02 May	Finnair	direct
30 Apr - 05 May	Finnair	direct
30 Apr - 04 May	Finnair	direct

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

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 April from 324€

Return flights