Newark (EWR) to San Juan (SJU) flight deal from $176 USD in economy class

UAUnited Airlines

Round Trip•Economy

EWR

Newark Liberty Airport

Newark, United States

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$358 USD

-51%$176 USD

Verified Nov 29, 2025 at 5:46 AM

April 2026

Today

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30$210 31$210 1$304 2$341 3$419 4$485 5$323 6$330 7$247 8$246 9$465 10$592 11$559 12$444 13$389 14$242 15$304 16$450 17$366 18$288 19$216 20$256 21$216 22$221 23$266 24$242 25$216 26$216 27$216 28$216 29$221 30$266 1 2 3

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Wednesday, April 15th, 2026

10 round-trip options

Returning

Mon, Apr 20, 2026•5 Day Trip

$484 USD

Google Flights

Returning

Tue, Apr 21, 2026•6 Day Trip

$395 USD

Google Flights

Returning

Wed, Apr 22, 2026•7 Day Trip

$304 USD

Google Flights

Returning

Thu, Apr 23, 2026•8 Day Trip

$304 USD

Google Flights

Returning

Fri, Apr 24, 2026•9 Day Trip

$330 USD

Google Flights

Returning

Sat, Apr 25, 2026•10 Day Trip

$445 USD

Google Flights

Returning

Sun, Apr 26, 2026•11 Day Trip

$607 USD

Google Flights

Returning

Mon, Apr 27, 2026•12 Day Trip

$421 USD

Google Flights

Returning

Tue, Apr 28, 2026•13 Day Trip

$354 USD

Google Flights

Returning

Wed, Apr 29, 2026•14 Day Trip

$304 USD

Google Flights