United Flight 4509 Deals & Information (2026/2027)

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United Flight 4509 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $192 and $189 for one-way flights to Piedmont Triad Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Feb 22 - Sat, Feb 28
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$192 Roundtrip, found 6 days ago
$192
Roundtrip
found 6 days ago
Select United flight, departing Sun, Feb 22 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sat, Feb 28, priced at $192 found 6 days ago
Sat, Feb 21 - Mon, Feb 23
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$194 Roundtrip, found 13 hours ago
$194
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Feb 21 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Feb 23, priced at $194 found 13 hours ago
Sun, May 10 - Sat, May 30
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$199 Roundtrip, found 5 days ago
$199
Roundtrip
found 5 days ago
Select United flight, departing Sun, May 10 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sat, May 30, priced at $199 found 5 days ago
Sat, Feb 14 - Tue, Feb 17
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$202 Roundtrip, found 2 days ago
$202
Roundtrip
found 2 days ago
Select United flight, departing Sat, Feb 14 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Tue, Feb 17, priced at $202 found 2 days ago
Sat, Feb 21 - Mon, Feb 23
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$204 Roundtrip, found 13 hours ago
$204
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Feb 21 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Feb 23, priced at $204 found 13 hours ago
Thu, Mar 5 - Fri, Mar 13
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 5 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Fri, Mar 13, priced at $207 found 5 days ago
Sat, Feb 14 - Tue, Feb 17
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select United flight, departing Sat, Feb 14 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Tue, Feb 17, priced at $212 found 2 days ago
Thu, Mar 5 - Fri, Mar 13
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 5 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Fri, Mar 13, priced at $217 found 5 days ago
Sat, Feb 7 - Sun, Feb 8
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$219 Roundtrip, found 4 days ago
$219
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 7 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sun, Feb 8, priced at $219 found 4 days ago
Sun, May 10 - Sat, May 30
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$230 Roundtrip, found 5 days ago
$230
Roundtrip
found 5 days ago
Select United flight, departing Sun, May 10 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sat, May 30, priced at $230 found 5 days ago

Frequently asked questions

What route does flight number UA4509 take?
UA4509 is used on multiple routes, but the most common is between O'Hare Airport and Knoxville, TN Airport (TYS-McGhee Tyson). If you manage to score a direct flight, you'll step off the plane in around 1 hour and 41 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.
What terminal does UA4509 fly out of?
If you're booked on a flight from ORD, you'll likely board from Terminal 1. The most frequented route for UA4509 is O'Hare Airport to TYS, which is a direct flight.
What kind of plane is on flight number UA4509?
If you've booked a ticket on flight UA4509 from Chicago, IL Airport (ORD-O'Hare Intl.) to TYS, chances are you'll be traveling on a Canadair (Bombardier) Regional Jet 550. This flight number serves more than one route, but this is the most popular.
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 UA4509 flight with Travelocity, please visit our Customer Service Portal.