United Flight 4509 Deals & Information (2025/2026)

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United Flight 4509 Route Deals From $173

The cheapest prices found with in the last 7 days for return flights were $193 and $173 for one-way flights to Piedmont Triad Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 16 - Tue, Jul 22
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$193 Roundtrip, found 7 hours ago
$193
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Tue, Jul 22, priced at $193 found 7 hours ago
Tue, Jul 15 - Wed, Aug 6
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 15 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Wed, Aug 6, priced at $193 found 6 days ago
Sat, Jul 5 - Wed, Jul 9
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$198 Roundtrip, found 5 days ago
$198
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jul 5 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Wed, Jul 9, priced at $198 found 5 days ago
Wed, Jul 16 - Tue, Jul 22
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$202 Roundtrip, found 7 hours ago
$202
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Tue, Jul 22, priced at $202 found 7 hours ago
Sat, Jul 5 - Tue, Jul 8
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$204 Roundtrip, found 3 days ago
$204
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jul 5 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Tue, Jul 8, priced at $204 found 3 days ago
Fri, Jul 11 - Sat, Jul 26
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$204 Roundtrip, found 10 hours ago
$204
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Jul 11 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sat, Jul 26, priced at $204 found 10 hours ago
Fri, Jul 11 - Sat, Jul 26
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$206 Roundtrip, found 10 hours ago
$206
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Jul 11 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sat, Jul 26, priced at $206 found 10 hours ago
Sat, Jul 5 - Wed, Jul 9
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jul 5 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Wed, Jul 9, priced at $208 found 5 days ago
Fri, Sep 12 - Sun, Sep 14
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Sep 12 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sun, Sep 14, priced at $209 found 3 hours ago
Wed, Jul 16 - Tue, Jul 22
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$210 Roundtrip, found 7 hours ago
$210
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Tue, Jul 22, priced at $210 found 7 hours 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.