United Flight 3503 Deals & Information (2025/2026)

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United Flight 3503 Route Deals From $148

The cheapest prices found with in the last 7 days for return flights were $282 and $148 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$282 Roundtrip, found 18 hours ago
$282
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $282 found 18 hours ago
Wed, Oct 22 - Fri, Oct 24
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$302 Roundtrip, found 2 days ago
$302
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 22 from Hilton Head Island to Newark Liberty Intl. Airport, returning Fri, Oct 24, priced at $302 found 2 days ago
Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$317 Roundtrip, found 18 hours ago
$317
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $317 found 18 hours ago
Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$353 Roundtrip, found 18 hours ago
$353
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $353 found 18 hours ago
Wed, Oct 22 - Fri, Oct 24
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 22 from Hilton Head Island to Newark Liberty Intl. Airport, returning Fri, Oct 24, priced at $373 found 2 days ago
Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$405 Roundtrip, found 18 hours ago
$405
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $405 found 18 hours ago
Wed, Oct 22 - Fri, Oct 24
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$445 Roundtrip, found 2 days ago
$445
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 22 from Hilton Head Island to Newark Liberty Intl. Airport, returning Fri, Oct 24, priced at $445 found 2 days ago

Frequently asked questions

What route does flight number UA3503 take?
UA3503 is used on multiple routes, but the most common is between Dulles Intl. Airport and Hancock Intl. Airport (SYR). If on a non-stop flight, you'll touch down in around 1 hour and 13 minutes. Multi-stop flights can also use the same number, as can flights on other routes.
What kind of plane is on flight number UA3503?
UA3503 is a flight number that serves multiple routes. If you're traveling on the most popular one, Washington Dulles Intl. Airport (IAD) to Syracuse, NY Airport (SYR-Hancock Intl.), there's a strong chance you'll be cruising aboard the Embraer 175.
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 UA3503 flight with Travelocity, please visit our Customer Service Portal.