American Airlines Flight 1521 Deals & Information (2025/2026)

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American Airlines Flight 1521 Route Deals From $46

The cheapest prices found with in the last 7 days for return flights were $91 and $46 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 20 - Thu, Jan 22
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$91 Roundtrip, found 3 hours ago
$91
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jan 20 from Miami Intl. to Austin-Bergstrom Intl., returning Thu, Jan 22, priced at $91 found 3 hours ago
Sat, Jan 24 - Mon, Jan 26
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$93 Roundtrip, found 6 days ago
$93
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Jan 24 from Miami Intl. to Austin-Bergstrom Intl., returning Mon, Jan 26, priced at $93 found 6 days ago
Fri, Jan 16 - Tue, Jan 20
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$103 Roundtrip, found 3 days ago
$103
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from Miami Intl. to Austin-Bergstrom Intl., returning Tue, Jan 20, priced at $103 found 3 days ago
Tue, Jan 20 - Thu, Jan 22
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$129 Roundtrip, found 3 hours ago
$129
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jan 20 from Miami Intl. to Austin-Bergstrom Intl., returning Thu, Jan 22, priced at $129 found 3 hours ago
Tue, Jan 20 - Thu, Jan 22
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$131 Roundtrip, found 3 hours ago
$131
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jan 20 from Miami Intl. to Austin-Bergstrom Intl., returning Thu, Jan 22, priced at $131 found 3 hours ago
Fri, Jan 9 - Sun, Jan 11
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$143 Roundtrip, found 6 days ago
$143
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Jan 9 from Miami Intl. to Austin-Bergstrom Intl., returning Sun, Jan 11, priced at $143 found 6 days ago
Mon, Jan 12 - Wed, Jan 14
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$147 Roundtrip, found 6 days ago
$147
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jan 12 from Miami Intl. to Austin-Bergstrom Intl., returning Wed, Jan 14, priced at $147 found 6 days ago
Fri, Jan 16 - Tue, Jan 20
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$152 Roundtrip, found 3 days ago
$152
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from Miami Intl. to Austin-Bergstrom Intl., returning Tue, Jan 20, priced at $152 found 3 days ago
Thu, Jan 15 - Sun, Jan 18
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$162 Roundtrip, found 6 days ago
$162
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jan 15 from Miami Intl. to Austin-Bergstrom Intl., returning Sun, Jan 18, priced at $162 found 6 days ago
Tue, Jan 20 - Thu, Jan 22
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$164 Roundtrip, found 3 hours ago
$164
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jan 20 from Miami Intl. to Austin-Bergstrom Intl., returning Thu, Jan 22, priced at $164 found 3 hours ago
Tue, Jan 20 - Thu, Jan 22
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$171 Roundtrip, found 3 hours ago
$171
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jan 20 from Miami Intl. to Austin-Bergstrom Intl., returning Thu, Jan 22, priced at $171 found 3 hours ago
Mon, Feb 9 - Fri, Feb 13
MIA
Miami Intl.
AUS
Austin-Bergstrom Intl.
$194 Roundtrip, found 2 hours ago
$194
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Feb 9 from Miami Intl. to Austin-Bergstrom Intl., returning Fri, Feb 13, priced at $194 found 2 hours ago