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

Return flights

26 May - 02 Jun	Air Canada
28 May - 04 Jun	Air Canada
05 May - 19 May	Air Canada
04 May - 11 May	Air Canada
21 May - 13 Jun	Air Canada
19 May - 26 May	Air Canada
27 May - 03 Jun	Air Canada
30 May - 06 Jun	Air Canada
04 May - 18 May	Air Canada
05 May - 20 May	Lufthansa
25 May - 20 Jun	Air Canada
22 May - 13 Jun	Air Canada
25 May - 02 Jun	Air Canada
29 May - 05 Jun	Air Canada
19 May - 13 Jun	Air Canada
05 May - 30 May	Air Canada
28 May - 31 May	Air Canada
20 May - 25 May	Air Canada
03 May - 23 May	Lufthansa
01 May - 23 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 434€

Return flights