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

Return flights

04 Aug - 20 Aug	Allegiant Air
08 Aug - 20 Aug	Spirit Airlines
20 Aug - 27 Aug	United
13 Aug - 19 Aug	Frontier Airlines
08 Aug - 26 Aug	Air Canada
14 Aug - 21 Aug	United
17 Aug - 24 Aug	United
29 Aug - 07 Sep	WestJet
05 Aug - 12 Aug	United
26 Aug - 02 Sep	United
11 Aug - 18 Aug	United
01 Aug - 13 Aug	United
29 Aug - 05 Sep	United

Also check the deals for one-way flights from Tampa 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 Tampa to Lisbon in August from $687

Return flights