United Flight 240 Deals & Information (2026/2027)

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United Flight 240 Route Deals From $241

The cheapest prices found with in the last 7 days for return flights were $434 and $241 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 10 - Tue, Sep 15
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$434 Roundtrip, found 1 hour ago
$434
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 15, priced at $434 found 1 hour ago
Fri, Sep 11 - Sat, Sep 12
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 11 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Sep 12, priced at $475 found 4 days ago
Fri, Jul 10 - Tue, Sep 15
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$499 Roundtrip, found 1 hour ago
$499
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 15, priced at $499 found 1 hour ago
Sun, Jun 28 - Tue, Jul 28
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$501 Roundtrip, found 21 hours ago
$501
Roundtrip
found 21 hours ago
Select United flight, departing Sun, Jun 28 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 28, priced at $501 found 21 hours ago
Fri, Jul 10 - Tue, Sep 15
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$519 Roundtrip, found 1 hour ago
$519
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 15, priced at $519 found 1 hour 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.