AirHint found the following cheapest return flights from Rotterdam (RTM) to Lisbon (LIS) in July 2025 (see full year).

Return flights

09 Jul - 16 Jul	TUI fly Belgium
27 Jul - 30 Jul	transavia	direct
14 Jul - 16 Jul	transavia
09 Jul - 12 Jul	transavia
10 Jul - 13 Jul	transavia
10 Jul - 12 Jul	transavia
09 Jul - 16 Jul	transavia	direct
17 Jul - 23 Jul	TUI fly Belgium
07 Jul - 10 Jul	transavia
09 Jul - 14 Jul	transavia
30 Jul - 07 Aug	transavia
30 Jul - 07 Aug	transavia	direct
27 Jul - 04 Aug	transavia
30 Jul - 04 Aug	transavia	direct
27 Jul - 04 Aug	transavia	direct
28 Jul - 06 Aug	transavia	direct
30 Jul - 18 Aug	transavia
29 Jul - 07 Aug	transavia
31 Jul - 04 Aug	transavia
31 Jul - 08 Aug	transavia

Also check the deals for one-way flights from Rotterdam to Lisbon 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 Rotterdam to Lisbon in July from 281€

Return flights