Cheapest return flights from Lille to Porto in May from $91

Best time to book flights for Lille (LIL) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Lille (LIL) to Porto (OPO) in May 2025 (see full year).

Return flights

19 May - 06 Jun Ryanair direct
30 May - 20 Jun Ryanair direct
30 May - 06 Jun Ryanair direct
30 May - 16 Jun Ryanair direct
30 May - 13 Jun Ryanair direct
26 May - 06 Jun Ryanair direct
19 May - 23 May Ryanair direct
12 May - 23 May Ryanair direct
26 May - 16 Jun Ryanair direct
16 May - 06 Jun Ryanair direct
23 May - 06 Jun Ryanair direct
26 May - 13 Jun Ryanair direct
19 May - 30 May Ryanair direct
12 May - 30 May Ryanair direct
12 May - 16 May Ryanair direct
12 May - 19 May Ryanair direct
19 May - 26 May Ryanair direct
12 May - 26 May Ryanair direct
16 May - 23 May Ryanair direct
26 May - 30 May Ryanair direct

Also check the deals for one-way flights from Lille to Porto in May.

Skyscanner

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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