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

Return flights

05 May - 12 May	Air Europa
09 May - 16 May	Air Europa
05 May - 10 May	Air Europa
14 May - 21 May	Air Europa
16 May - 23 May	Air Europa
14 May - 17 May	Air Europa
04 May - 11 May	Air Canada
07 May - 10 May	Air Europa
16 May - 30 May	Air Europa
02 May - 09 May	TAP	direct
14 May - 06 Jun	Air Europa
31 May - 07 Jun	Air Europa
24 May - 02 Jun	Air Europa
26 May - 01 Jun	Air Europa
27 May - 05 Jun	Iberia
26 May - 09 Jun	Iberia
21 May - 01 Jun	Iberia
08 May - 12 Jun	Aer Lingus
26 May - 09 Jun	United	direct
25 May - 03 Jun	United

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 314€

Return flights