United Flight UA3503 Deals & Information (2025/2026)

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United Flight 3503 Route Deals From $122

The cheapest prices found with in the last 7 days for return flights were $276 and $122 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
$276 Roundtrip, found 7 hours ago
$276
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $276 found 7 hours ago
Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$312 Roundtrip, found 7 hours ago
$312
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $312 found 7 hours ago
Fri, Sep 12 - Mon, Oct 6
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 12 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 6, priced at $316 found 5 days ago
Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$348 Roundtrip, found 7 hours ago
$348
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $348 found 7 hours ago
Fri, Sep 12 - Mon, Oct 6
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$388 Roundtrip, found 5 days ago
$388
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 12 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 6, priced at $388 found 5 days ago
Fri, Oct 24 - Mon, Oct 27
HHH
Hilton Head Island
EWR
Newark Liberty Intl. Airport
$400 Roundtrip, found 7 hours ago
$400
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 24 from Hilton Head Island to Newark Liberty Intl. Airport, returning Mon, Oct 27, priced at $400 found 7 hours 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.