American Airlines Flight 3724 Deals & Information (2025/2026)

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American Airlines Flight 3724 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $189 and $90 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 21 - Tue, Feb 25
MIA
Miami Intl.
EYW
Key West Intl.
$189 Roundtrip, found 4 days ago
$189
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Feb 21 from Miami Intl. to Key West Intl., returning Tue, Feb 25, priced at $189 found 4 days ago
Fri, Feb 21 - Tue, Feb 25
MIA
Miami Intl.
EYW
Key West Intl.
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Feb 21 from Miami Intl. to Key West Intl., returning Tue, Feb 25, priced at $214 found 4 days ago
Tue, Mar 4 - Wed, Mar 5
MIA
Miami Intl.
EYW
Key West Intl.
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Mar 4 from Miami Intl. to Key West Intl., returning Wed, Mar 5, priced at $239 found 1 day ago
Sat, Feb 15 - Sun, Feb 16
MIA
Miami Intl.
EYW
Key West Intl.
$249 Roundtrip, found 11 hours ago
$249
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Feb 15 from Miami Intl. to Key West Intl., returning Sun, Feb 16, priced at $249 found 11 hours ago
Fri, Feb 21 - Tue, Feb 25
MIA
Miami Intl.
EYW
Key West Intl.
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Feb 21 from Miami Intl. to Key West Intl., returning Tue, Feb 25, priced at $254 found 4 days ago
Tue, Feb 18 - Wed, Feb 19
MIA
Miami Intl.
EYW
Key West Intl.
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Feb 18 from Miami Intl. to Key West Intl., returning Wed, Feb 19, priced at $259 found 2 days ago
Sat, Feb 15 - Sun, Feb 16
MIA
Miami Intl.
EYW
Key West Intl.
$274 Roundtrip, found 11 hours ago
$274
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Feb 15 from Miami Intl. to Key West Intl., returning Sun, Feb 16, priced at $274 found 11 hours ago
Tue, Feb 11 - Sun, Feb 16
MIA
Miami Intl.
EYW
Key West Intl.
$284 Roundtrip, found 12 hours ago
$284
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Feb 11 from Miami Intl. to Key West Intl., returning Sun, Feb 16, priced at $284 found 12 hours ago
Sat, Feb 15 - Tue, Feb 18
MIA
Miami Intl.
EYW
Key West Intl.
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 15 from Miami Intl. to Key West Intl., returning Tue, Feb 18, priced at $299 found 1 day ago
Tue, Feb 11 - Tue, Feb 18
MIA
Miami Intl.
EYW
Key West Intl.
$309 Roundtrip, found 12 hours ago
$309
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Feb 11 from Miami Intl. to Key West Intl., returning Tue, Feb 18, priced at $309 found 12 hours ago