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

Return flights

10 May - 24 May	Air Canada
11 May - 19 May	Air Canada
02 May - 23 May	Air Canada
26 May - 20 Jun	Air Canada
25 May - 20 Jun	Air Canada
20 May - 01 Jun	Air Canada
21 May - 13 Jun	Air Canada
31 May - 20 Jun	Air Canada
11 May - 06 Jun	Air Canada
12 May - 06 Jun	Air Canada
01 May - 15 May	Air Canada
18 May - 13 Jun	Air Canada
22 May - 13 Jun	Air Canada
20 May - 13 Jun	Air Canada
15 May - 22 May	Air Canada
17 May - 24 May	Air Canada
14 May - 28 May	Lufthansa
23 May - 30 May	Lufthansa
22 May - 31 May	Air Canada
11 May - 25 May	Lufthansa

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

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 May from $460

Return flights