United Flight 1556 Deals & Information (2026/2027)

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United Flight 1556 Route Deals From $196

The cheapest prices found with in the last 7 days for return flights were $277 and $196 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$277 Roundtrip, found 1 hour ago
$277
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $277 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$288 Roundtrip, found 1 hour ago
$288
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $288 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$292 Roundtrip, found 1 hour ago
$292
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $292 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$308 Roundtrip, found 1 hour ago
$308
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $308 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$312 Roundtrip, found 1 hour ago
$312
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $312 found 1 hour ago
Tue, Aug 18 - Thu, Aug 27
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$322 Roundtrip, found 1 hour ago
$322
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 18 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Thu, Aug 27, priced at $322 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$327 Roundtrip, found 1 hour ago
$327
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $327 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$328 Roundtrip, found 1 hour ago
$328
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $328 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$332 Roundtrip, found 1 hour ago
$332
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $332 found 1 hour ago
Tue, Aug 4 - Wed, Aug 12
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$352 Roundtrip, found 1 hour ago
$352
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 4 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Aug 12, priced at $352 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.