American Airlines Flight 4145 Deals & Information (2026/2027)

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American Airlines Flight 4145 Route Deals From $160

The cheapest prices found with in the last 7 days for return flights were $319 and $160 for one-way flights to Greenville-Spartanburg Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 4 - Mon, Nov 9
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$319 Roundtrip, found 2 hours ago
$319
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Nov 9, priced at $319 found 2 hours ago
Wed, Dec 23 - Mon, Dec 28
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 23 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Dec 28, priced at $322 found 1 day ago
Wed, Nov 4 - Mon, Nov 9
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$324 Roundtrip, found 2 hours ago
$324
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Nov 9, priced at $324 found 2 hours ago
Mon, Nov 23 - Tue, Nov 24
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$327 Roundtrip, found 2 days ago
$327
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 23 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Nov 24, priced at $327 found 2 days ago
Wed, Dec 23 - Mon, Dec 28
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 23 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Dec 28, priced at $332 found 1 day ago
Wed, Nov 4 - Mon, Nov 9
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$334 Roundtrip, found 2 hours ago
$334
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Nov 9, priced at $334 found 2 hours ago
Thu, Dec 17 - Mon, Dec 21
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Dec 17 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Dec 21, priced at $349 found 1 day ago
Wed, Dec 23 - Mon, Dec 28
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$361 Roundtrip, found 1 day ago
$361
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 23 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Dec 28, priced at $361 found 1 day ago
Mon, Nov 23 - Tue, Nov 24
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 23 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Tue, Nov 24, priced at $366 found 2 days ago
Thu, Dec 24 - Sat, Jan 2
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Dec 24 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sat, Jan 2, priced at $369 found 3 days ago