Cheapest return flights from Newark to San Juan in March from 198€

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

Return flights

31 Mar - 10 Apr Frontier Airlines
31 Mar - 07 Apr Frontier Airlines
31 Mar - 03 Apr Frontier Airlines
31 Mar - 02 Apr Frontier Airlines
31 Mar - 04 Apr Frontier Airlines
31 Mar - 06 Apr Frontier Airlines
31 Mar - 05 Apr Frontier Airlines
30 Mar - 08 Apr Frontier Airlines
30 Mar - 03 Apr Frontier Airlines
29 Mar - 03 Apr Frontier Airlines
24 Mar - 27 Mar Spirit Airlines
25 Mar - 31 Mar Frontier Airlines
30 Mar - 31 Mar Frontier Airlines
23 Mar - 27 Mar Spirit Airlines
26 Mar - 31 Mar Frontier Airlines
29 Mar - 31 Mar Frontier Airlines direct
22 Mar - 27 Mar Spirit Airlines
22 Mar - 25 Mar Frontier Airlines
24 Mar - 28 Mar Spirit Airlines
23 Mar - 25 Mar Frontier Airlines

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

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