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

Return flights

31 Jul - 04 Aug	KLM
31 Jul - 06 Aug	KLM
31 Jul - 05 Aug	KLM
28 Jul - 06 Aug	KLM
29 Jul - 31 Jul	Ryanair
31 Jul - 31 Jul	KLM
29 Jul - 05 Aug	Ryanair
29 Jul - 07 Aug	Luxair
28 Jul - 07 Aug	KLM
29 Jul - 04 Aug	Ryanair
31 Jul - 03 Aug	KLM
28 Jul - 31 Jul	Ryanair
31 Jul - 02 Aug	KLM
30 Jul - 31 Jul	KLM
27 Jul - 31 Jul	Luxair
27 Jul - 30 Jul	Luxair
29 Jul - 30 Jul	Ryanair
30 Jul - 31 Jul	Ryanair	direct
29 Jul - 29 Jul	KLM
27 Jul - 28 Jul	Luxair

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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Cheapest return flights from Luxemburg to Porto in July from 190€

Return flights