AirHint found the following cheapest return flights from Lille (LIL) to Porto (OPO) in April 2026 (see full year).
Return flights
| 26 Apr - 02 May | easyJet | ||
| 13 Apr - 20 Apr | Ryanair | ||
| 13 Apr - 20 Apr | Ryanair | direct | |
| 03 Apr - 06 Apr | Ryanair | direct | |
| 03 Apr - 20 Apr | Ryanair | direct |
Also check the deals for one-way flights from Lille to Porto in April.
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