United Flight 4545 Deals & Information (2026/2027)

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United Flight 4545 Route Deals From $179

The cheapest prices found with in the last 7 days for return flights were $200 and $179 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Mar 4 - Tue, Mar 10
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$200 Roundtrip, found 5 days ago
$200
Roundtrip
found 5 days ago
Select United flight, departing Wed, Mar 4 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Tue, Mar 10, priced at $200 found 5 days ago
Wed, Mar 4 - Tue, Mar 10
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Select United flight, departing Wed, Mar 4 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Tue, Mar 10, priced at $210 found 5 days ago
Thu, Feb 12 - Sun, Feb 15
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$222 Roundtrip, found 3 days ago
$222
Roundtrip
found 3 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 3 days ago
Thu, Feb 5 - Sat, Feb 7
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 5 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sat, Feb 7, priced at $224 found 3 days ago
Sun, Sep 27 - Tue, Oct 6
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select United flight, departing Sun, Sep 27 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Tue, Oct 6, priced at $234 found 4 days ago
Thu, Jul 30 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 30 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Tue, Aug 4, priced at $239 found 1 day ago
Thu, Apr 2 - Sun, Apr 5
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$248 Roundtrip, found 14 hours ago
$248
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Apr 2 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sun, Apr 5, priced at $248 found 14 hours ago
Mon, Apr 6 - Thu, Apr 9
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$312 Roundtrip, found 2 hours ago
$312
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Apr 6 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Thu, Apr 9, priced at $312 found 2 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.