AirHint found the following cheapest return flights from Luxemburg (LUX) to Lisbon (LIS) in August 2025 (see full year).

Return flights

30 Aug - 20 Sep	Ryanair	direct
28 Aug - 18 Sep	Ryanair	direct
30 Aug - 18 Sep	Ryanair	direct
26 Aug - 09 Sep	Ryanair
19 Aug - 03 Sep	Ryanair
23 Aug - 06 Sep	Ryanair
30 Aug - 11 Sep	Ryanair
25 Aug - 09 Sep	easyJet
31 Aug - 06 Sep	easyJet
27 Aug - 06 Sep	easyJet
19 Aug - 27 Aug	Ryanair
21 Aug - 28 Aug	Ryanair
21 Aug - 25 Aug	Ryanair
21 Aug - 24 Aug	Ryanair
19 Aug - 24 Aug	Ryanair
23 Aug - 27 Aug	Ryanair
19 Aug - 25 Aug	Ryanair
19 Aug - 21 Aug	Ryanair
28 Aug - 30 Aug	Ryanair
19 Aug - 30 Aug	Ryanair

Also check the deals for one-way flights from Luxemburg to Lisbon in August.

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 Lisbon in August from 75€

Return flights