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

Return flights

03 Mar - 10 Mar	Air France
05 Mar - 09 Mar	Air France
02 Mar - 09 Mar	Air France
12 Mar - 21 Mar	Delta
16 Mar - 22 Mar	Delta
06 Mar - 09 Mar	Delta
06 Mar - 10 Mar	Delta
17 Mar - 23 Mar	Delta
12 Mar - 17 Mar	Delta
16 Mar - 23 Mar	Delta
25 Mar - 05 Apr	Delta
30 Mar - 07 Apr	Delta
30 Mar - 13 Apr	KLM
31 Mar - 07 Apr	Delta
30 Mar - 12 Apr	Delta
30 Mar - 08 Apr	Delta
27 Mar - 04 Apr	Air France
25 Mar - 05 Apr	Finnair	direct
26 Mar - 05 Apr	Finnair	direct
27 Mar - 06 Apr	Finnair	direct

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

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 March from 397€

Return flights