American Airlines Flight 3659 Deals & Information (2025/2026)

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American Airlines Flight 3659 Route Deals From $127

The cheapest prices found with in the last 7 days for return flights were $210 and $127 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 24 - Thu, Jan 1
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 15 hours ago
$210
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami Intl. to Lambert-St. Louis Intl., returning Thu, Jan 1, priced at $210 found 15 hours ago
Wed, Dec 24 - Thu, Jan 1
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$243 Roundtrip, found 15 hours ago
$243
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami Intl. to Lambert-St. Louis Intl., returning Thu, Jan 1, priced at $243 found 15 hours ago
Wed, Dec 24 - Thu, Jan 1
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$266 Roundtrip, found 15 hours ago
$266
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami Intl. to Lambert-St. Louis Intl., returning Thu, Jan 1, priced at $266 found 15 hours ago
Wed, Dec 24 - Thu, Jan 1
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$268 Roundtrip, found 15 hours ago
$268
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami Intl. to Lambert-St. Louis Intl., returning Thu, Jan 1, priced at $268 found 15 hours ago
Wed, Dec 24 - Thu, Jan 1
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$276 Roundtrip, found 15 hours ago
$276
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami Intl. to Lambert-St. Louis Intl., returning Thu, Jan 1, priced at $276 found 15 hours ago
Wed, Dec 24 - Thu, Jan 1
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$289 Roundtrip, found 15 hours ago
$289
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Miami Intl. to Lambert-St. Louis Intl., returning Thu, Jan 1, priced at $289 found 15 hours ago