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

Return flights

03 Dec - 07 Dec	Air France
04 Dec - 09 Dec	British Airways
05 Dec - 10 Dec	Aer Lingus
04 Dec - 07 Dec	Air France
05 Dec - 13 Dec	Aer Lingus
03 Dec - 12 Dec	Aer Lingus
04 Dec - 10 Dec	Aer Lingus
07 Dec - 14 Dec	Aer Lingus
16 Dec - 06 Jan	Iberia
01 Dec - 05 Dec	Air Europa
06 Dec - 06 Jan	British Airways
12 Dec - 17 Dec	Aer Lingus
25 Dec - 08 Jan	SWISS
23 Dec - 03 Jan	Iberia
23 Dec - 04 Jan	Iberia
28 Dec - 03 Jan	SWISS
24 Dec - 03 Jan	Lufthansa
17 Dec - 14 Jan	TAP	direct
25 Dec - 04 Jan	SWISS
25 Dec - 03 Jan	SWISS

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

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 Lisbon to New York in December from $497

Return flights