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

Return flights

10 May - 17 May	Air Europa
12 May - 19 May	Air Europa
19 May - 26 May	Air Europa
30 May - 06 Jun	Air Europa
07 May - 10 May	Air Europa
23 May - 30 May	Air Europa
14 May - 18 May	Air Europa
26 May - 29 May	Air Europa
02 May - 08 May	TAP	direct
11 May - 18 May	Aer Lingus
05 May - 15 May	Iberia
26 May - 01 Jun	Air Europa
31 May - 09 Jun	Air Europa
21 May - 01 Jun	Iberia
22 May - 01 Jun	Scandinavian Airlines
16 May - 28 Jun	Scandinavian Airlines
20 May - 01 Jun	Iberia
31 May - 09 Jun	TAP	direct
30 May - 06 Jun	TAP	direct
22 May - 01 Jun	TAP	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 309€

Return flights