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

Return flights

18 Jul - 26 Jul	Icelandair
28 Jul - 26 Aug	Iberia
28 Jul - 25 Aug	American Airlines
30 Jul - 25 Aug	American Airlines
31 Jul - 13 Aug	Iberia
31 Jul - 11 Aug	British Airways
31 Jul - 07 Aug	Iberia
19 Jul - 23 Jul	TAP
11 Jul - 16 Jul	TAP
08 Jul - 15 Jul	TAP
07 Jul - 16 Jul	TAP
01 Jul - 08 Jul	TAP
06 Jul - 20 Jul	Scandinavian Airlines
09 Jul - 14 Jul	TAP
06 Jul - 15 Jul	TAP
26 Jul - 05 Aug	SWISS
15 Jul - 22 Jul	Iberia
28 Jul - 26 Aug	Brussels Airlines	direct
27 Jul - 02 Aug	Iberia
31 Jul - 28 Aug	TAP	direct

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

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 July from $566

Return flights