Cheapest one-way flights from Newark to San Juan in March from 110€

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

One-Way flights

31 Mar Frontier Airlines
24 Mar Spirit Airlines
23 Mar Spirit Airlines
30 Mar Frontier Airlines
23 Mar Spirit Airlines direct
24 Mar Spirit Airlines direct
29 Mar Frontier Airlines direct
30 Mar Spirit Airlines direct
28 Mar Frontier Airlines
27 Mar Frontier Airlines

Also check the deals for return flights from Newark to San Juan in March.

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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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