Cheapest return flights from New York to Lisbon in August from $719

Best time to book flights for New York (LGA) to Lisbon (LIS) flights at AirHint

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

Return flights

13 Aug - 27 Aug American Airlines
18 Aug - 28 Aug British Airways
18 Aug - 25 Aug Air Transat
31 Aug - 05 Sep Air Transat
24 Aug - 28 Aug Air Transat
27 Aug - 05 Sep Air Transat
18 Aug - 22 Aug Air Transat
07 Aug - 14 Aug Air Transat
11 Aug - 18 Aug Air Transat
28 Aug - 05 Sep Air Transat
23 Aug - 28 Aug Air Transat
31 Aug - 07 Sep Air Transat
24 Aug - 05 Sep Air Transat
20 Aug - 25 Aug Air Transat
27 Aug - 08 Sep Air Transat
28 Aug - 02 Sep Air Transat
17 Aug - 22 Aug Air Transat
28 Aug - 07 Sep Air Transat
27 Aug - 01 Sep Air Transat
23 Aug - 01 Sep Air Transat

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

Skyscanner

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon