AirHint found the following cheapest return flights from Lille (LIL) to Porto (OPO) in April 2026 (see full year).

Return flights

20 Apr - 24 Apr	easyJet
13 Apr - 22 Apr	easyJet
20 Apr - 01 May	Ryanair	direct
19 Apr - 24 Apr	easyJet
17 Apr - 22 Apr	easyJet
20 Apr - 27 Apr	Ryanair	direct
10 Apr - 17 Apr	Ryanair	direct
17 Apr - 20 Apr	easyJet
17 Apr - 21 Apr	easyJet
06 Apr - 17 Apr	Ryanair	direct
17 Apr - 24 Apr	easyJet
10 Apr - 01 May	Ryanair	direct
20 Apr - 08 May	Ryanair	direct
20 Apr - 11 May	Ryanair	direct
17 Apr - 01 May	Ryanair	direct
13 Apr - 01 May	Ryanair	direct
17 Apr - 08 May	Ryanair	direct
25 Apr - 02 May	easyJet
29 Apr - 03 May	easyJet

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

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 Lille to Porto in April from 138€

Return flights