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

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American Airlines Flight 3999 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $421 and for one-way flights to Garden City Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 12 - Tue, Aug 19
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$421 Roundtrip, found 2 days ago
$421
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 12 from Dallas-Fort Worth Intl. to Garden City Regional, returning Tue, Aug 19, priced at $421 found 2 days ago
Tue, Aug 12 - Sat, Aug 16
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$435 Roundtrip, found 2 days ago
$435
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 12 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sat, Aug 16, priced at $435 found 2 days ago
Tue, Aug 12 - Thu, Aug 21
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$442 Roundtrip, found 2 days ago
$442
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 12 from Dallas-Fort Worth Intl. to Garden City Regional, returning Thu, Aug 21, priced at $442 found 2 days ago
Fri, Aug 15 - Tue, Aug 19
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$446 Roundtrip, found 2 days ago
$446
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 15 from Dallas-Fort Worth Intl. to Garden City Regional, returning Tue, Aug 19, priced at $446 found 2 days ago
Tue, Aug 12 - Sun, Aug 17
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 12 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 17, priced at $459 found 2 days ago
Fri, Aug 15 - Thu, Aug 21
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$466 Roundtrip, found 2 days ago
$466
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 15 from Dallas-Fort Worth Intl. to Garden City Regional, returning Thu, Aug 21, priced at $466 found 2 days ago
Fri, Aug 15 - Sun, Aug 17
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$483 Roundtrip, found 2 days ago
$483
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 15 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 17, priced at $483 found 2 days ago
Fri, Aug 15 - Sun, Aug 17
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$606 Roundtrip, found 2 days ago
$606
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 15 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 17, priced at $606 found 2 days ago
Fri, Aug 15 - Sun, Aug 17
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$634 Roundtrip, found 2 days ago
$634
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 15 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 17, priced at $634 found 2 days ago
Fri, Aug 15 - Sun, Aug 17
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$679 Roundtrip, found 2 days ago
$679
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 15 from Dallas-Fort Worth Intl. to Garden City Regional, returning Sun, Aug 17, priced at $679 found 2 days ago
Tue, Aug 12 - Wed, Aug 13
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$798 Roundtrip, found 2 days ago
$798
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 12 from Dallas-Fort Worth Intl. to Garden City Regional, returning Wed, Aug 13, priced at $798 found 2 days ago
Mon, Aug 18 - Tue, Aug 19
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$869 Roundtrip, found 2 days ago
$869
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from Dallas-Fort Worth Intl. to Garden City Regional, returning Tue, Aug 19, priced at $869 found 2 days ago
Mon, Aug 18 - Thu, Aug 21
DFW
Dallas-Fort Worth Intl.
GCK
Garden City Regional
$941 Roundtrip, found 2 days ago
$941
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from Dallas-Fort Worth Intl. to Garden City Regional, returning Thu, Aug 21, priced at $941 found 2 days ago