United Flight 2143 Deals & Information (2026/2027)

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United Flight 2143 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $272 and $149 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 3 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$272 Roundtrip, just found
$272
Roundtrip
just found
Select United flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Thu, Jun 4, priced at $272 just found
Wed, Jun 3 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$277 Roundtrip, just found
$277
Roundtrip
just found
Select United flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Thu, Jun 4, priced at $277 just found
Wed, Jun 3 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$318 Roundtrip, just found
$318
Roundtrip
just found
Select United flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Thu, Jun 4, priced at $318 just found

Frequently asked questions

What route does flight number UA2143 take?
UA2143 operates from Newark Airport to SJU directly. This journey usually takes 3 hours and 48 minutes.
What terminal does UA2143 fly out of?
Flight number UA2143 runs between Liberty Intl. Airport (EWR) and Isla Verde Intl. Airport, and passengers booked on this flight typically depart from Terminal C.
What kind of plane is on flight number UA2143?
The Boeing 777 is the aircraft that's mostly used for flight number UA2143. Usually, this flight departs from Liberty Intl. Airport (EWR) and touches down at Luis Munoz Marin Intl. Airport (SJU).
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 UA2143 flight with Travelocity, please visit our Customer Service Portal.