Cheapest return flights from Newark to San Juan in March from $133

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

Return flights

02 Mar - 05 Mar jetBlue direct
01 Mar - 03 Mar jetBlue direct
01 Mar - 05 Mar jetBlue direct
02 Mar - 09 Mar Frontier Airlines
03 Mar - 10 Mar Frontier Airlines
03 Mar - 10 Mar jetBlue direct
08 Mar - 15 Mar jetBlue direct
03 Mar - 17 Mar jetBlue direct
04 Mar - 07 Mar Frontier Airlines direct
04 Mar - 09 Mar Frontier Airlines
24 Mar - 09 Apr jetBlue direct
23 Mar - 09 Apr Spirit Airlines direct
23 Mar - 07 Apr Spirit Airlines direct
23 Mar - 01 Apr Spirit Airlines direct
16 Mar - 01 Apr Spirit Airlines direct
22 Mar - 09 Apr Spirit Airlines direct
22 Mar - 07 Apr Spirit Airlines direct
22 Mar - 01 Apr Spirit Airlines direct
31 Mar - 01 Apr Spirit Airlines direct
31 Mar - 09 Apr Spirit Airlines direct

Also check the deals for one-way 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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