American Airlines Flight 4145 Deals & Information (2025/2026)

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American Airlines Flight 4145 Route Deals From $141

The cheapest prices found with in the last 7 days for return flights were $195 and $141 for one-way flights to Greenville-Spartanburg Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 4 - Wed, Oct 15
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$195 Roundtrip, found 17 hours ago
$195
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sat, Oct 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Wed, Oct 15, priced at $195 found 17 hours ago
Mon, Aug 18 - Mon, Aug 25
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Aug 18 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Mon, Aug 25, priced at $198 found 6 days ago
Sat, Aug 16 - Sat, Aug 23
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sat, Aug 23, priced at $204 found 1 day ago
Sat, Aug 16 - Sun, Aug 24
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$211 Roundtrip, found 2 hours ago
$211
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sun, Aug 24, priced at $211 found 2 hours ago
Sat, Oct 4 - Wed, Oct 15
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$223 Roundtrip, found 17 hours ago
$223
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sat, Oct 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Wed, Oct 15, priced at $223 found 17 hours ago
Thu, Aug 14 - Wed, Aug 20
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$228 Roundtrip, found 4 days ago
$228
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Aug 14 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Wed, Aug 20, priced at $228 found 4 days ago
Fri, Oct 31 - Sun, Nov 2
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$230 Roundtrip, found 18 hours ago
$230
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Fri, Oct 31 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sun, Nov 2, priced at $230 found 18 hours ago
Sat, Aug 16 - Sat, Aug 23
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sat, Aug 23, priced at $234 found 1 day ago
Sat, Oct 4 - Wed, Oct 15
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$236 Roundtrip, found 17 hours ago
$236
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sat, Oct 4 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Wed, Oct 15, priced at $236 found 17 hours ago
Sat, Sep 27 - Sun, Sep 28
ORD
O'Hare Intl.
GSP
Greenville-Spartanburg Intl.
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Sep 27 from O'Hare Intl. to Greenville-Spartanburg Intl., returning Sun, Sep 28, priced at $238 found 1 day ago