United Flight 2143 Deals & Information (2026/2027)

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United Flight 2143 Route Deals From $129

The cheapest prices found with in the last 7 days for return flights were $277 and $129 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 26 - 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 Wed, Aug 26 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $277 found 1 hour ago
Sat, Jun 6 - Thu, Jun 11
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, Jun 6 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Thu, Jun 11, priced at $292 found 1 hour ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$295 Roundtrip, found 3 hours ago
$295
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $295 found 3 hours ago
Wed, Aug 26 - 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 Wed, Aug 26 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.
$310 Roundtrip, found 3 hours ago
$310
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $310 found 3 hours ago
Mon, Jun 1 - Wed, Jun 3
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$312 Roundtrip, found 2 hours ago
$312
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Jun 3, priced at $312 found 2 hours ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$315 Roundtrip, found 3 hours ago
$315
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $315 found 3 hours ago
Tue, Aug 18 - Thu, Aug 27
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 18 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Thu, Aug 27, priced at $318 found 1 day ago
Sat, Jun 6 - Tue, Jun 9
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$322 Roundtrip, just found
$322
Roundtrip
just found
Select United flight, departing Sat, Jun 6 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Tue, Jun 9, priced at $322 just found
Thu, Aug 20 - Fri, Aug 28
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$323 Roundtrip, found 2 hours ago
$323
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Fri, Aug 28, priced at $323 found 2 hours ago
Wed, Aug 26 - 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 Wed, Aug 26 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $327 found 1 hour ago
Thu, Aug 20 - Fri, Aug 28
EWR
Newark Liberty Intl. Airport
SJU
Luis Munoz Marin Intl.
$328 Roundtrip, found 2 hours ago
$328
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Fri, Aug 28, priced at $328 found 2 hours ago
Tue, Nov 3 - Tue, Nov 10
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 Tue, Nov 3 from Newark Liberty Intl. Airport to Luis Munoz Marin Intl., returning Tue, Nov 10, priced at $332 found 1 hour ago

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.