AirHint found the following cheapest return flights from Dublin (DUB) to Philadelphia (PHL) in March 2026 (see full year).
Return flights
| 26 Mar - 30 Mar | British Airways | ||
| 26 Mar - 03 Apr | Finnair | direct | |
| 15 Mar - 19 Mar | Aer Lingus | direct | |
| 12 Mar - 18 Mar | Aer Lingus | direct | |
| 01 Mar - 09 Mar | Aer Lingus | direct | |
| 26 Mar - 30 Mar | Finnair | direct |
Also check the deals for one-way flights from Dublin to Philadelphia in March.
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