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

Return flights

02 Mar - 09 Mar	Air Canada
02 Mar - 09 Mar	United	direct
04 Mar - 09 Mar	United	direct
12 Mar - 20 Mar	TAP	direct
13 Mar - 16 Mar	TAP	direct
05 Mar - 10 Mar	TAP	direct
07 Mar - 14 Mar	TAP	direct
10 Mar - 22 Mar	Scandinavian Airlines
12 Mar - 15 Mar	Scandinavian Airlines
19 Mar - 22 Mar	Scandinavian Airlines
31 Mar - 25 Apr	TAP	direct
25 Mar - 01 Apr	SWISS
28 Mar - 18 Apr	SWISS
25 Mar - 11 Apr	SWISS
28 Mar - 06 Apr	SWISS
27 Mar - 18 Apr	TAP
27 Mar - 18 Apr	TAP	direct
25 Mar - 01 Apr	TAP	direct
28 Mar - 18 Apr	TAP	direct
28 Mar - 05 Apr	SWISS

Also check the deals for one-way flights from Newark 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 Newark to Lisbon in March from $402

Return flights