American Airlines Flight AA4509 Deals & Information (2025/2026)

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American Airlines Flight 4509 Route Deals From $182

The cheapest prices found with in the last 7 days for return flights were $324 and $182 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 10 - Fri, Nov 14
PHL
Philadelphia Intl.
EYW
Key West Intl.
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 10 from Philadelphia Intl. to Key West Intl., returning Fri, Nov 14, priced at $324 found 3 days ago
Thu, Oct 30 - Fri, Oct 31
PHL
Philadelphia Intl.
EYW
Key West Intl.
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 30 from Philadelphia Intl. to Key West Intl., returning Fri, Oct 31, priced at $329 found 2 days ago
Sun, Nov 2 - Fri, Nov 7
PHL
Philadelphia Intl.
EYW
Key West Intl.
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Nov 2 from Philadelphia Intl. to Key West Intl., returning Fri, Nov 7, priced at $339 found 4 days ago
Mon, Nov 3 - Thu, Nov 6
PHL
Philadelphia Intl.
EYW
Key West Intl.
$340 Roundtrip, found 2 days ago
$340
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 3 from Philadelphia Intl. to Key West Intl., returning Thu, Nov 6, priced at $340 found 2 days ago
Mon, Nov 10 - Fri, Nov 14
PHL
Philadelphia Intl.
EYW
Key West Intl.
$340 Roundtrip, found 3 days ago
$340
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 10 from Philadelphia Intl. to Key West Intl., returning Fri, Nov 14, priced at $340 found 3 days ago
Sun, Oct 26 - Sat, Nov 1
PHL
Philadelphia Intl.
EYW
Key West Intl.
$342 Roundtrip, found 1 day ago
$342
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Oct 26 from Philadelphia Intl. to Key West Intl., returning Sat, Nov 1, priced at $342 found 1 day ago
Sun, Nov 2 - Thu, Nov 6
PHL
Philadelphia Intl.
EYW
Key West Intl.
$345 Roundtrip, found 5 days ago
$345
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 2 from Philadelphia Intl. to Key West Intl., returning Thu, Nov 6, priced at $345 found 5 days ago
Sun, Nov 2 - Fri, Nov 7
PHL
Philadelphia Intl.
EYW
Key West Intl.
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Nov 2 from Philadelphia Intl. to Key West Intl., returning Fri, Nov 7, priced at $351 found 4 days ago
Sun, Oct 26 - Sat, Nov 1
PHL
Philadelphia Intl.
EYW
Key West Intl.
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Oct 26 from Philadelphia Intl. to Key West Intl., returning Sat, Nov 1, priced at $354 found 1 day ago
Fri, Nov 14 - Wed, Nov 19
PHL
Philadelphia Intl.
EYW
Key West Intl.
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 14 from Philadelphia Intl. to Key West Intl., returning Wed, Nov 19, priced at $359 found 1 day ago

Frequently asked questions

What route does flight number AA4509 take?
AA4509 serves multiple routes, but the most common is between ROC and Charlotte Airport. If on a direct flight, you'll arrive in approximately 2 hours and 6 minutes. Multi-stop flights can also operate under this number, as can services on other routes.
What kind of plane is on flight number AA4509?
AA4509 is a flight number that is used on lots of different routes. If you've booked a ticket on the busiest route, Rochester, NY Airport (ROC-Greater Rochester Intl.) to CLT, you'll probably be climbing on board the Embraer 175.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA4509 flight with Travelocity, please visit our Customer Service Portal.