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

Return flights

14 Jul - 18 Jul	Volotea
21 Jul - 25 Jul	Volotea
09 Jul - 11 Jul	easyJet
21 Jul - 25 Jul	Ryanair	direct
07 Jul - 25 Jul	Volotea
25 Jul - 28 Jul	Volotea
18 Jul - 25 Jul	Volotea
21 Jul - 28 Jul	Volotea
17 Jul - 24 Jul	Volotea
02 Jul - 18 Jul	Volotea
21 Jul - 04 Aug	Ryanair	direct
28 Jul - 04 Aug	Ryanair	direct
21 Jul - 01 Aug	Volotea
28 Jul - 01 Aug	Ryanair
25 Jul - 01 Aug	Volotea
31 Jul - 04 Aug	Ryanair
25 Jul - 04 Aug	Ryanair	direct
28 Jul - 01 Aug	Ryanair	direct
21 Jul - 01 Aug	Ryanair	direct
27 Jul - 10 Aug	Volotea

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

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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Cheapest return flights from Lille to Porto in July from 202€

Return flights