United Flight 1556 Deals & Information (2026/2027)

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United Flight 1556 Route Deals From $164

The cheapest prices found with in the last 7 days for return flights were $307 and $164 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 22 - Tue, Apr 28
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$307 Roundtrip, found 1 hour ago
$307
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Tue, Apr 28, priced at $307 found 1 hour ago

Frequently asked questions

What route does flight number UA1556 take?
UA1556 operates from Newark, NJ Airport (EWR-Liberty Intl.) to Isla Verde Intl. Airport directly. This service usually takes 3 hours and 54 minutes.
What terminal does UA1556 fly out of?
Passengers with a booking on flight number UA1556 from EWR to San Juan Airport (SJU-Luis Munoz Marin Intl.) generally fly out of Terminal C.
What kind of plane is on flight number UA1556?
Get ready to step aboard a Boeing 737-900 if you're taking off on flight UA1556. Nearly all flights from EWR to SJU are operated using this type of aircraft.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA1556 flight with Travelocity, please visit our Customer Service Portal.