United Flight 3644 Deals & Information (2025/2026)

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United Flight 3644 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $142 and $75 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 23 - Mon, Aug 4
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$142 Roundtrip, found 11 hours ago
$142
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Jul 23 from Hancock Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 4, priced at $142 found 11 hours ago
Sat, Aug 2 - Mon, Aug 4
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$145 Roundtrip, found 9 hours ago
$145
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Aug 2 from Hancock Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 4, priced at $145 found 9 hours ago
Tue, Sep 16 - Wed, Sep 17
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$147 Roundtrip, found 4 days ago
$147
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 16 from Hancock Intl. to Newark Liberty Intl. Airport, returning Wed, Sep 17, priced at $147 found 4 days ago
Tue, Nov 18 - Mon, Nov 24
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 18 from Hancock Intl. to Newark Liberty Intl. Airport, returning Mon, Nov 24, priced at $152 found 2 days ago
Fri, Jul 4 - Mon, Jul 7
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$166 Roundtrip, found 9 hours ago
$166
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Jul 4 from Hancock Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 7, priced at $166 found 9 hours ago
Fri, Oct 17 - Sun, Oct 19
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$167 Roundtrip, found 2 days ago
$167
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 17 from Hancock Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 19, priced at $167 found 2 days ago
Thu, Jul 3 - Sun, Jul 6
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$170 Roundtrip, found 4 days ago
$170
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 3 from Hancock Intl. to Newark Liberty Intl. Airport, returning Sun, Jul 6, priced at $170 found 4 days ago
Wed, Jul 2 - Thu, Jul 3
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$176 Roundtrip, found 4 days ago
$176
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 2 from Hancock Intl. to Newark Liberty Intl. Airport, returning Thu, Jul 3, priced at $176 found 4 days ago
Sat, Aug 23 - Sat, Aug 30
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$188 Roundtrip, found 10 hours ago
$188
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Aug 23 from Hancock Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $188 found 10 hours ago
Fri, Jun 27 - Thu, Jul 3
SYR
Hancock Intl.
EWR
Newark Liberty Intl. Airport
$192 Roundtrip, found 4 days ago
$192
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jun 27 from Hancock Intl. to Newark Liberty Intl. Airport, returning Thu, Jul 3, priced at $192 found 4 days ago

Frequently asked questions

What route does flight number UA3644 take?
You'll be landing at Newark, NJ Airport (EWR-Liberty Intl.) from Charleston Intl. Airport (CHS) if you're traveling on flight number UA3644. You'll be in the sky for 2 hours on this trip. What's more, the flight conveniently travels non-stop.
How often is UA3644 on time?
About 88% of UA3644 flights arrive according to scheduled times --- so if you're traveling between Charleston Intl. Airport (CHS) and Newark Airport, you can relax knowing that you'll touch down at your destination ASAP. If your United Airlines service encounters a delay, the average wait is around 29 minutes. Because of the airline's high standard of service, this route has a star rating of 3.2.
What kind of plane is on flight number UA3644?
There's a good chance you'll find yourself cruising aboard the Embraer 170 if you're on flight number UA3644. This flight typically heads off from CHS and arrives 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 UA3644 flight with Travelocity, please visit our Customer Service Portal.