AirHint found the following cheapest return flights from Lisbon (LIS) to New York (JFK) in August 2026 (see full year).

Return flights

29 Aug - 04 Sep	Aer Lingus
28 Aug - 03 Sep	Aer Lingus
28 Aug - 16 Sep	British Airways
25 Aug - 30 Aug	Aer Lingus
27 Aug - 10 Sep	Air Europa
13 Aug - 29 Aug	Iberia
17 Aug - 28 Aug	Aer Lingus
18 Aug - 28 Aug	Aer Lingus
15 Aug - 30 Aug	Aer Lingus
23 Aug - 30 Aug	Aer Lingus
20 Aug - 30 Aug	British Airways
01 Aug - 05 Aug	Aer Lingus
01 Aug - 12 Aug	Aer Lingus
01 Aug - 07 Aug	Aer Lingus
31 Aug - 05 Sep	Air Europa
30 Aug - 03 Sep	Aer Lingus
31 Aug - 05 Sep	TAP	direct
28 Aug - 03 Sep	TAP	direct
29 Aug - 04 Sep	TAP	direct

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

Book a cheap hotel in New York

Cheap car rent in New York

Cheapest return flights from Lisbon to New York in August from $510

Return flights