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

Return flights

19 May - 26 May	Lufthansa
14 May - 19 May	Air France
18 May - 25 May	Air France
01 May - 08 May	British Airways
01 May - 08 May	TAP	direct
02 May - 09 May	SWISS
14 May - 19 May	TAP	direct
18 May - 25 May	TAP	direct
19 May - 26 May	TAP	direct

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

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 May from $529

Return flights