United Flight 240 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 240 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $413 and $209 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 16 - Sat, Jan 2
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$413 Roundtrip, found 8 hours ago
$413
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Dec 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Jan 2, priced at $413 found 8 hours ago
Fri, Dec 25 - Wed, Jan 13
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$465 Roundtrip, found 5 hours ago
$465
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Dec 25 from Cibao Intl. to Newark Liberty Intl. Airport, returning Wed, Jan 13, priced at $465 found 5 hours ago
Mon, Dec 21 - Sat, Jan 2
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$482 Roundtrip, found 5 hours ago
$482
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Dec 21 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Jan 2, priced at $482 found 5 hours ago

Frequently asked questions

What route does flight number UA240 take?
UA240 operates from Cibao Intl. Airport (STI) to Newark Airport and is a direct flight. This journey usually takes 3 hours and 54 minutes.
What kind of plane is on flight number UA240?
The Boeing 737-800 is the aircraft type that's mostly used for flight UA240. More often than not, this flight sets off from STI and comes in to land at Liberty Intl. Airport (EWR).
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 UA240 flight with Travelocity, please visit our Customer Service Portal.