United Flight 240 Deals & Information (2026/2027)

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United Flight 240 Route Deals From $272

The cheapest prices found with in the last 7 days for return flights were $442 and $272 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 20 - Sun, Jan 17
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$442 Roundtrip, found 3 hours ago
$442
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Dec 20 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sun, Jan 17, priced at $442 found 3 hours ago
Thu, Dec 17 - Sat, Jan 9
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$457 Roundtrip, found 5 days ago
$457
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 17 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Jan 9, priced at $457 found 5 days ago
Sun, Dec 20 - Sun, Jan 17
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$458 Roundtrip, found 3 hours ago
$458
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Dec 20 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sun, Jan 17, priced at $458 found 3 hours ago
Wed, Dec 16 - Sat, Jan 2
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$459 Roundtrip, found 5 days ago
$459
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Jan 2, priced at $459 found 5 days ago
Sun, Dec 20 - Wed, Jan 13
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$460 Roundtrip, found 9 hours ago
$460
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Dec 20 from Cibao Intl. to Newark Liberty Intl. Airport, returning Wed, Jan 13, priced at $460 found 9 hours ago
Sun, Dec 20 - Wed, Jan 13
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$462 Roundtrip, found 9 hours ago
$462
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Dec 20 from Cibao Intl. to Newark Liberty Intl. Airport, returning Wed, Jan 13, priced at $462 found 9 hours ago
Sun, Dec 20 - Tue, Jan 12
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$463 Roundtrip, found 9 hours ago
$463
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Dec 20 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Jan 12, priced at $463 found 9 hours ago
Sun, Dec 20 - Sun, Jan 17
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$464 Roundtrip, found 3 hours ago
$464
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Dec 20 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sun, Jan 17, priced at $464 found 3 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.