United Flight 3503 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3503 Route Deals From $264

The cheapest prices found with in the last 7 days for return flights were $299 and $264 for one-way flights to Burlington Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 27 - Sat, Jan 30
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$299 Roundtrip, found 17 hours ago
$299
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jan 27 from Washington Dulles Intl. to Burlington Intl., returning Sat, Jan 30, priced at $299 found 17 hours ago
Fri, Oct 16 - Mon, Oct 19
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$303 Roundtrip, found 18 hours ago
$303
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 16 from Washington Dulles Intl. to Burlington Intl., returning Mon, Oct 19, priced at $303 found 18 hours ago
Wed, Jan 27 - Sat, Jan 30
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$309 Roundtrip, found 17 hours ago
$309
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jan 27 from Washington Dulles Intl. to Burlington Intl., returning Sat, Jan 30, priced at $309 found 17 hours ago
Fri, Oct 16 - Mon, Oct 19
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$313 Roundtrip, found 18 hours ago
$313
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 16 from Washington Dulles Intl. to Burlington Intl., returning Mon, Oct 19, priced at $313 found 18 hours ago
Thu, Mar 18 - Sun, Mar 21
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$320 Roundtrip, found 22 hours ago
$320
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Mar 18 from Washington Dulles Intl. to Burlington Intl., returning Sun, Mar 21, priced at $320 found 22 hours ago
Fri, Apr 16 - Mon, Apr 19
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$321 Roundtrip, found 21 hours ago
$321
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Apr 16 from Washington Dulles Intl. to Burlington Intl., returning Mon, Apr 19, priced at $321 found 21 hours ago
Thu, Mar 18 - Mon, Mar 22
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$330 Roundtrip, found 22 hours ago
$330
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Mar 18 from Washington Dulles Intl. to Burlington Intl., returning Mon, Mar 22, priced at $330 found 22 hours ago
Fri, Apr 16 - Mon, Apr 19
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$331 Roundtrip, found 21 hours ago
$331
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Apr 16 from Washington Dulles Intl. to Burlington Intl., returning Mon, Apr 19, priced at $331 found 21 hours ago
Wed, Oct 14 - Sat, Oct 17
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 14 from Washington Dulles Intl. to Burlington Intl., returning Sat, Oct 17, priced at $334 found 1 day ago
Fri, Nov 13 - Sat, Nov 14
IAD
Washington Dulles Intl.
BTV
Burlington Intl.
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select United flight, departing Fri, Nov 13 from Washington Dulles Intl. to Burlington Intl., returning Sat, Nov 14, priced at $337 found 1 day 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.