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

Return flights

29 Jul - 05 Aug	United
28 Jul - 11 Aug	Air Canada
30 Jul - 06 Aug	Air Canada
31 Jul - 07 Aug	Air Canada
29 Jul - 07 Aug	Air Canada
27 Jul - 08 Aug	United
21 Jul - 31 Jul	Air Canada
28 Jul - 22 Aug	Lufthansa
11 Jul - 18 Jul	Air Canada
30 Jul - 08 Aug	Lufthansa
21 Jul - 06 Aug	Air Canada
26 Jul - 21 Aug	Delta
15 Jul - 21 Jul	Lufthansa
17 Jul - 24 Jul	Air France
20 Jul - 27 Jul	KLM
20 Jul - 28 Jul	Delta
23 Jul - 31 Jul	Delta
15 Jul - 20 Jul	Lufthansa
08 Jul - 23 Jul	ITA Airways
10 Jul - 14 Jul	Lufthansa

Also check the deals for one-way flights from New York to Lisbon 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 New York to Lisbon in July from 498€

Return flights