Cheapest return flights from Newark to San Juan in June from 181€

AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU) in June 2026 (see full year).

Return flights

02 Jun - 04 Jun Frontier Airlines
04 Jun - 09 Jun Frontier Airlines
04 Jun - 07 Jun Frontier Airlines
03 Jun - 07 Jun Frontier Airlines
02 Jun - 07 Jun Frontier Airlines
02 Jun - 06 Jun Frontier Airlines
03 Jun - 09 Jun Frontier Airlines
02 Jun - 08 Jun Frontier Airlines
01 Jun - 05 Jun Frontier Airlines
05 Jun - 08 Jun Frontier Airlines
23 Jun - 03 Jul Spirit Airlines
11 Jun - 01 Jul Spirit Airlines
29 Jun - 03 Jul Spirit Airlines
29 Jun - 14 Jul Spirit Airlines
26 Jun - 03 Jul Spirit Airlines direct
24 Jun - 03 Jul Spirit Airlines direct
27 Jun - 03 Jul Spirit Airlines direct
28 Jun - 14 Jul Spirit Airlines direct
18 Jun - 03 Jul Spirit Airlines direct
23 Jun - 03 Jul Spirit Airlines direct

Also check the deals for one-way flights from Newark to San Juan in June.

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