United Flight AA4557 Deals & Information (2025/2026)

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United Flight 4557 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $199 and $224 for one-way flights to Greenville-Spartanburg Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 29 - Tue, Aug 5
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$199 Roundtrip, found 22 hours ago
$199
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 5, priced at $199 found 22 hours ago
Fri, Aug 8 - Tue, Aug 12
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$206 Roundtrip, found 8 hours ago
$206
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 12, priced at $206 found 8 hours ago
Tue, Jul 29 - Tue, Aug 5
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$209 Roundtrip, found 22 hours ago
$209
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 5, priced at $209 found 22 hours ago
Thu, Aug 21 - Mon, Aug 25
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$209 Roundtrip, found 3 days ago
$209
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 21 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Aug 25, priced at $209 found 3 days ago
Fri, Jul 25 - Mon, Jul 28
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$213 Roundtrip, found 4 hours ago
$213
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Jul 25 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Jul 28, priced at $213 found 4 hours ago
Fri, Aug 8 - Tue, Aug 12
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$216 Roundtrip, found 8 hours ago
$216
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 12, priced at $216 found 8 hours ago
Sat, Jul 12 - Sat, Jul 19
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$216 Roundtrip, found 6 days ago
$216
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 12 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sat, Jul 19, priced at $216 found 6 days ago
Thu, Aug 21 - Mon, Aug 25
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 21 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Aug 25, priced at $219 found 3 days ago
Fri, Jul 25 - Mon, Jul 28
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$223 Roundtrip, found 4 hours ago
$223
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Jul 25 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Jul 28, priced at $223 found 4 hours ago
Thu, Aug 21 - Mon, Aug 25
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$229 Roundtrip, found 3 days ago
$229
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 21 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Aug 25, priced at $229 found 3 days ago
Wed, Jul 16 - Sat, Jul 19
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$232 Roundtrip, found 14 hours ago
$232
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jul 16 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sat, Jul 19, priced at $232 found 14 hours ago
Tue, Jul 29 - Tue, Aug 5
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$234 Roundtrip, found 22 hours ago
$234
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 5, priced at $234 found 22 hours ago
Tue, Jul 29 - Tue, Aug 5
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$239 Roundtrip, found 22 hours ago
$239
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 5, priced at $239 found 22 hours ago
Sat, Aug 9 - Sun, Aug 24
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$239 Roundtrip, found 6 days ago
$239
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 9 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sun, Aug 24, priced at $239 found 6 days ago
Wed, Jul 16 - Sat, Jul 19
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$241 Roundtrip, found 14 hours ago
$241
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jul 16 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sat, Jul 19, priced at $241 found 14 hours ago
Fri, Jul 4 - Sun, Jul 6
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$242 Roundtrip, found 4 days ago
$242
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jul 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sun, Jul 6, priced at $242 found 4 days ago
Thu, Jul 10 - Sun, Jul 13
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$243 Roundtrip, found 2 hours ago
$243
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Jul 10 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sun, Jul 13, priced at $243 found 2 hours ago
Tue, Jul 29 - Tue, Aug 5
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$244 Roundtrip, found 22 hours ago
$244
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 5, priced at $244 found 22 hours ago
Fri, Aug 8 - Tue, Aug 12
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$246 Roundtrip, found 8 hours ago
$246
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Aug 12, priced at $246 found 8 hours ago

Frequently asked questions

What route does flight number UA4557 take?
UA4557 takes 52 minutes to fly non-stop from ORD to Truax Field. We all know there's magic in the destination, but the journey is always half the fun!
What terminal does UA4557 fly out of?
You'll likely be hopping on the plane at Terminal 1 if you're traveling on flight number UA4557 direct from Chicago, IL Airport (ORD-O'Hare Intl.) to MSN.
What kind of plane is on flight number UA4557?
There's every chance you'll find yourself jumping on board a Canadair (Bombardier) Regional Jet 550 if you're booked on flight number UA4557. This flight typically sets off from O'Hare Airport and arrives at Madison, WI Airport (MSN-Dane County Regional).
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 UA4557 flight with Travelocity, please visit our Customer Service Portal.