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

Return flights

07 Apr - 16 Apr	TAP	direct
01 Apr - 07 Apr	TAP	direct
08 Apr - 15 Apr	TAP	direct
06 Apr - 13 Apr	TAP	direct
01 Apr - 12 Apr	TAP
19 Apr - 09 May	SWISS
03 Apr - 10 Apr	SWISS
17 Apr - 22 Apr	SWISS
19 Apr - 26 Apr	TAP	direct
19 Apr - 09 May	TAP	direct
16 Apr - 23 Apr	TAP	direct
17 Apr - 22 Apr	TAP	direct

Also check the deals for one-way flights from Newark to Lisbon in April.

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 April from 374€

Return flights