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

Return flights

10 May - 20 May	LEVEL
05 May - 15 May	LEVEL
05 May - 12 May	LEVEL
12 May - 19 May	Air Europa
01 May - 05 May	Scandinavian Airlines
04 May - 11 May	Norse Atlantic Airways (UK)
06 May - 13 May	Norse Atlantic Airways (UK)
07 May - 14 May	Air Europa
10 May - 17 May	Air Europa
07 May - 10 May	Iberia
25 May - 01 Jun	Air Canada
28 May - 04 Jun	Air Canada
27 May - 05 Jun	Iberia
26 May - 09 Jun	United
08 May - 12 Jun	Aer Lingus
15 May - 04 Jun	LEVEL
21 May - 01 Jun	Iberia
25 May - 01 Jun	TAP	direct
28 May - 04 Jun	TAP	direct
27 May - 05 Jun	Virgin Atlantic	direct

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 368€

Return flights