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

Return flights

18 Mar - 22 Mar	Scandinavian Airlines
04 Mar - 10 Mar	TAP
05 Mar - 12 Mar	TAP
03 Mar - 10 Mar	TAP	direct
14 Mar - 28 Mar	TAP	direct
04 Mar - 10 Mar	TAP	direct
05 Mar - 12 Mar	TAP	direct
25 Mar - 29 Mar	TAP	direct
18 Mar - 23 Mar	SWISS
27 Mar - 03 Apr	SWISS
17 Mar - 31 Mar	Lufthansa
30 Mar - 06 Apr	SWISS
27 Mar - 06 Apr	SWISS
27 Mar - 06 Apr	TAP	direct
28 Mar - 04 Apr	TAP	direct
27 Mar - 03 Apr	TAP	direct
29 Mar - 04 Apr	SWISS
30 Mar - 06 Apr	Brussels Airlines	direct
30 Mar - 04 Apr	Delta
30 Mar - 04 Apr	TAP	direct

Also check the deals for one-way flights from Lisbon to Newark 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 Lisbon to Newark in March from 340€

Return flights