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

Return flights

25 Mar - 02 Apr	Icelandair
07 Mar - 12 Mar	Icelandair
04 Mar - 11 Mar	TAP	direct
04 Mar - 13 Mar	TAP	direct
11 Mar - 18 Mar	TAP	direct
05 Mar - 12 Mar	Air Canada
19 Mar - 28 Mar	Air Canada
23 Mar - 03 Apr	Air Canada
05 Mar - 12 Mar	TAP	direct
22 Mar - 03 Apr	TAP	direct
13 Mar - 16 Mar	TAP
27 Mar - 03 Apr	TAP	direct
07 Mar - 14 Mar	TAP	direct
13 Mar - 16 Mar	TAP	direct
27 Mar - 04 Apr	TAP	direct
25 Mar - 02 Apr	TAP	direct

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 $353

Return flights