United Flight 4545 Deals & Information (2026/2027)

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United Flight 4545 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $195 and $100 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 12 - Wed, May 13
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, May 13, priced at $195 found 1 day ago
Tue, May 12 - Wed, May 13
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, May 13, priced at $199 found 1 day ago
Wed, Mar 25 - Sat, Mar 28
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$208 Roundtrip, found 1 day ago
$208
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 25 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sat, Mar 28, priced at $208 found 1 day ago
Wed, Mar 25 - Sat, Mar 28
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 25 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sat, Mar 28, priced at $212 found 1 day ago
Thu, Feb 12 - Sun, Feb 15
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Thu, Feb 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sun, Feb 15, priced at $222 found 6 days ago
Tue, May 12 - Wed, May 13
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, May 13, priced at $230 found 1 day ago
Fri, Apr 3 - Sun, Apr 5
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$266 Roundtrip, found 3 hours ago
$266
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Apr 3 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sun, Apr 5, priced at $266 found 3 hours ago

Frequently asked questions

What route does flight number UA4545 take?
UA4545 takes several routes. The most frequently flown is Charleston, SC Airport (CHS-Charleston Intl.) to Cincinnati - Northern Kentucky Intl. Airport (CVG), which flies direct. This flight typically takes 1 hour and 47 minutes. That said, you might find other flights with this number that have one or more stops.
What kind of plane is on flight number UA4545?
Chances are you'll be boarding a Canadair (Bombardier) Regional Jet 550 if you're traveling from Charleston, SC Airport (CHS-Charleston Intl.) to Cincinnati - Northern Kentucky Intl. Airport (CVG), one of several routes used for flight number UA4545.
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 UA4545 flight with Travelocity, please visit our Customer Service Portal.