American Airlines Flight 3999 Deals & Information (2025/2026)

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American Airlines Flight 3999 Route Deals From $399

The cheapest prices found with in the last 7 days for return flights were $365 and $399 for one-way flights to Garden City Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 29 - Sat, Aug 30
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sat, Aug 30, priced at $365 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$385 Roundtrip, found 2 days ago
$385
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 31, priced at $385 found 2 days ago
Tue, Aug 26 - Sat, Aug 30
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 26 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sat, Aug 30, priced at $405 found 2 days ago
Thu, Aug 28 - Sat, Aug 30
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$425 Roundtrip, found 2 days ago
$425
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 28 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sat, Aug 30, priced at $425 found 2 days ago
Thu, Aug 28 - Sun, Aug 31
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$445 Roundtrip, found 2 days ago
$445
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 28 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 31, priced at $445 found 2 days ago
Fri, Aug 29 - Sat, Aug 30
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$547 Roundtrip, found 2 days ago
$547
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sat, Aug 30, priced at $547 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 31, priced at $567 found 2 days ago
Fri, Aug 29 - Sat, Aug 30
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$575 Roundtrip, found 2 days ago
$575
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sat, Aug 30, priced at $575 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$595 Roundtrip, found 2 days ago
$595
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 31, priced at $595 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$685 Roundtrip, found 2 days ago
$685
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 31, priced at $685 found 2 days ago
Tue, Aug 26 - Wed, Aug 27
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$791 Roundtrip, found 2 days ago
$791
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 26 from Dallas-Fort Worth Intl. to Garden City Regional, returning Wed, Aug 27, priced at $791 found 2 days ago