United Flight 240 Deals & Information (2026/2027)

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United Flight 240 Route Deals From $231

The cheapest prices found with in the last 7 days for return flights were $423 and $231 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 15 - Mon, Aug 24
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$423 Roundtrip, found 11 hours ago
$423
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Jun 15 from Cibao Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 24, priced at $423 found 11 hours ago
Wed, Jun 24 - Tue, Aug 18
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$435 Roundtrip, found 11 hours ago
$435
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Jun 24 from Cibao Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 18, priced at $435 found 11 hours ago
Mon, Jun 15 - Mon, Aug 24
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$437 Roundtrip, found 11 hours ago
$437
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Jun 15 from Cibao Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 24, priced at $437 found 11 hours ago
Mon, Jun 15 - Mon, Aug 24
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$445 Roundtrip, found 11 hours ago
$445
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Jun 15 from Cibao Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 24, priced at $445 found 11 hours ago
Mon, Jun 15 - Mon, Aug 24
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$458 Roundtrip, found 11 hours ago
$458
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Jun 15 from Cibao Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 24, priced at $458 found 11 hours ago
Tue, Jun 16 - Thu, Aug 20
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$463 Roundtrip, found 1 day ago
$463
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Thu, Aug 20, priced at $463 found 1 day ago
Tue, Jun 16 - Thu, Aug 20
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$478 Roundtrip, found 1 day ago
$478
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from Cibao Intl. to Newark Liberty Intl. Airport, returning Thu, Aug 20, priced at $478 found 1 day 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.