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

Return flights

09 Jul - 16 Jul	TAP
28 Jul - 31 Jul	Ryanair
29 Jul - 30 Jul	KLM
29 Jul - 05 Aug	Ryanair
28 Jul - 29 Jul	Ryanair
28 Jul - 01 Aug	Ryanair
09 Jul - 24 Jul	Ryanair
11 Jul - 15 Jul	Ryanair
23 Jul - 26 Jul	Lufthansa
08 Jul - 14 Jul	Ryanair
09 Jul - 12 Jul	Ryanair
24 Jul - 31 Jul	Lufthansa
30 Jul - 04 Aug	Ryanair
30 Jul - 06 Aug	Ryanair
12 Jul - 01 Aug	Ryanair
30 Jul - 08 Aug	Ryanair
31 Jul - 06 Aug	Ryanair
31 Jul - 04 Aug	Ryanair
31 Jul - 07 Aug	Ryanair
30 Jul - 03 Aug	Ryanair

Also check the deals for one-way flights from Luxemburg 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.

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Cheapest return flights from Luxemburg to Porto in July from 177€

Return flights