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

Return flights

28 Mar - 18 Apr	Air Canada
21 Mar - 16 Apr	Lufthansa
10 Mar - 18 Mar	Air Canada
25 Mar - 07 Apr	Delta
10 Mar - 04 Apr	United
07 Mar - 14 Mar	Air Canada
11 Mar - 18 Mar	Delta
20 Mar - 16 Apr	Air Canada
22 Mar - 11 Apr	KLM
28 Mar - 04 Apr	Air Canada
05 Mar - 15 Mar	Delta
03 Mar - 28 Mar	Air Canada
11 Mar - 20 Mar	Delta
01 Mar - 21 Mar	United
20 Mar - 22 Mar	Air Canada
11 Mar - 04 Apr	United
26 Mar - 08 Apr	Air Transat
20 Mar - 11 Apr	Lufthansa
18 Mar - 30 Mar	Lufthansa
01 Mar - 07 Mar	Lufthansa

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

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 March from $467

Return flights