United Flight 240 Deals & Information (2025/2026)

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United Flight 240 Route Deals From $218

The cheapest prices found with in the last 7 days for return flights were $409 and $218 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 13 - Tue, May 27
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$409 Roundtrip, found 7 hours ago
$409
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 13 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, May 27, priced at $409 found 7 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.