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 3 days ago
$195
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, May 13, priced at $195 found 3 days ago
Tue, May 12 - Wed, May 13
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$199 Roundtrip, found 3 days ago
$199
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, May 13, priced at $199 found 3 days ago
Wed, Mar 25 - Sat, Mar 28
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$208 Roundtrip, found 4 days ago
$208
Roundtrip
found 4 days ago
Select United flight, departing Wed, Mar 25 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sat, Mar 28, priced at $208 found 4 days ago
Wed, Mar 25 - Sat, Mar 28
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select United flight, departing Wed, Mar 25 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sat, Mar 28, priced at $212 found 4 days ago
Sat, Apr 18 - Wed, Apr 22
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$219 Roundtrip, found 20 hours ago
$219
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Apr 18 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, Apr 22, priced at $219 found 20 hours ago
Sat, Apr 18 - Tue, Apr 21
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$225 Roundtrip, found 20 hours ago
$225
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Apr 18 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Tue, Apr 21, priced at $225 found 20 hours ago
Tue, May 12 - Wed, May 13
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 12 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Wed, May 13, priced at $230 found 3 days ago
Fri, Feb 13 - Sun, Feb 15
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 13 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sun, Feb 15, priced at $235 found 1 day ago
Sat, Apr 18 - Tue, Apr 21
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$238 Roundtrip, found 20 hours ago
$238
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Apr 18 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Tue, Apr 21, priced at $238 found 20 hours ago
Sat, Feb 7 - Sat, Feb 14
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$244 Roundtrip, found 20 hours ago
$244
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Feb 7 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Sat, Feb 14, priced at $244 found 20 hours ago
Fri, Apr 3 - Mon, Apr 6
GSP
Greenville-Spartanburg Intl.
ORD
O'Hare Intl.
$258 Roundtrip, found 18 hours ago
$258
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Apr 3 from Greenville-Spartanburg Intl. to O'Hare Intl., returning Mon, Apr 6, priced at $258 found 18 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.