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

Return flights

10 Jul - 17 Jul	Ryanair
15 Jul - 23 Jul	easyJet
11 Jul - 17 Jul	Ryanair
25 Jul - 03 Aug	Ryanair
11 Jul - 18 Jul	Ryanair
23 Jul - 27 Jul	Ryanair
28 Jul - 01 Aug	Vueling Airlines
21 Jul - 28 Jul	Ryanair
25 Jul - 27 Jul	Ryanair
17 Jul - 23 Jul	KLM

Also check the deals for one-way flights from Porto to Tallinn 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 Porto to Tallinn in July from 289€

Return flights