Cheapest return EWR–LIS flights, May

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

Return flights

25 May - 02 Jun Iberia
26 May - 09 Jun Icelandair
26 May - 04 Jun Delta
23 May - 01 Jun Delta
27 May - 01 Jun Delta
28 May - 01 Jun Delta
27 May - 05 Jun Delta
25 May - 09 Jun Delta
28 May - 16 Jun Delta
23 May - 12 Jun Delta
24 May - 31 May Air France
25 May - 31 May Air France
21 May - 25 May Air Canada
29 May - 31 May Air France
16 May - 24 May Air Transat
16 May - 21 May Icelandair
16 May - 27 May TAP
24 May - 30 May Porter Airlines (Canada) Ltd
11 May - 20 May Iberia
18 May - 27 May TAP

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

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