United Flight 4451 Deals & Information (2025/2026)

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United Flight 4451 Route Deals From $194

The cheapest prices found with in the last 7 days for return flights were $192 and $194 for one-way flights to Piedmont Triad Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 1 - Mon, Nov 3
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$192 Roundtrip, found 4 days ago
$192
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 1 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Nov 3, priced at $192 found 4 days ago
Fri, Mar 6 - Sun, Mar 15
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$194 Roundtrip, found 2 days ago
$194
Roundtrip
found 2 days ago
Select United flight, departing Fri, Mar 6 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sun, Mar 15, priced at $194 found 2 days ago
Sat, Nov 1 - Mon, Nov 3
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 1 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Nov 3, priced at $198 found 4 days ago
Fri, Dec 12 - Mon, Dec 15
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 12 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Dec 15, priced at $199 found 2 days ago
Sat, Nov 1 - Mon, Nov 3
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 1 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Nov 3, priced at $202 found 4 days ago
Fri, Oct 17 - Mon, Oct 20
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 17 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Oct 20, priced at $207 found 1 day ago
Fri, Oct 17 - Sun, Oct 19
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$210 Roundtrip, found 3 days ago
$210
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 17 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sun, Oct 19, priced at $210 found 3 days ago
Fri, Oct 17 - Sat, Oct 18
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$212 Roundtrip, found 4 hours ago
$212
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Oct 17 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sat, Oct 18, priced at $212 found 4 hours ago
Sat, Nov 1 - Sun, Nov 2
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Sun, Nov 2, priced at $217 found 1 day ago
Fri, Dec 12 - Mon, Dec 15
EWR
Newark Liberty Intl. Airport
GSO
Piedmont Triad Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 12 from Newark Liberty Intl. Airport to Piedmont Triad Intl., returning Mon, Dec 15, priced at $219 found 2 days ago

Frequently asked questions

What route does flight number UA4451 take?
UA4451 operates from O'Hare Intl. Airport (ORD) to Lambert-St. Louis Intl. Airport (STL) directly. This service typically takes 1 hour and 21 minutes.
What terminal does UA4451 fly out of?
You'll likely be jetting out of Terminal 1 if you're traveling on flight number UA4451 direct from O'Hare Intl. Airport (ORD) to Lambert-St. Louis Intl. Airport (STL).
What kind of plane is on flight number UA4451?
You'll probably be on a Canadair (Bombardier) Regional Jet 550 if you're on flight number UA4451. Generally, this flight heads off from Chicago, IL Airport (ORD-O'Hare Intl.) and arrives at STL.
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 UA4451 flight with Travelocity, please visit our Customer Service Portal.