United Flight 240 Deals & Information (2026/2027)

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United Flight 240 Route Deals From $278

The cheapest prices found with in the last 7 days for return flights were $451 and $278 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 3 - Sun, Oct 4
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$451 Roundtrip, found 10 hours ago
$451
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 3 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 4, priced at $451 found 10 hours ago
Sat, Oct 3 - Sun, Oct 4
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$472 Roundtrip, found 10 hours ago
$472
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 3 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 4, priced at $472 found 10 hours ago
Wed, Sep 16 - Tue, Sep 29
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$479 Roundtrip, just found
$479
Roundtrip
just found
Select United flight, departing Wed, Sep 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 29, priced at $479 just found
Thu, Oct 1 - Thu, Oct 8
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$485 Roundtrip, found 4 days ago
$485
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 1 from Cibao Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 8, priced at $485 found 4 days ago
Wed, Sep 16 - Tue, Sep 29
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$500 Roundtrip, just found
$500
Roundtrip
just found
Select United flight, departing Wed, Sep 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 29, priced at $500 just found
Wed, Sep 16 - Tue, Sep 29
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$507 Roundtrip, just found
$507
Roundtrip
just found
Select United flight, departing Wed, Sep 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 29, priced at $507 just found
Thu, Oct 1 - Thu, Oct 8
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$509 Roundtrip, found 4 days ago
$509
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 1 from Cibao Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 8, priced at $509 found 4 days ago
Sat, Oct 3 - Sun, Oct 4
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$512 Roundtrip, found 10 hours ago
$512
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 3 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 4, priced at $512 found 10 hours ago
Fri, Sep 18 - Sat, Sep 19
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$521 Roundtrip, found 1 day ago
$521
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 18 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Sep 19, priced at $521 found 1 day ago
Wed, Sep 16 - Tue, Sep 29
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$528 Roundtrip, just found
$528
Roundtrip
just found
Select United flight, departing Wed, Sep 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 29, priced at $528 just found

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.