Cheapest return flights from Newburgh to Lisbon in August from $646

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

Return flights

21 Aug - 25 Aug Fly Play
21 Aug - 29 Aug Fly Play
14 Aug - 25 Aug Fly Play
14 Aug - 22 Aug Fly Play

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

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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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