American Airlines Flight 4645 Deals & Information (2025/2026)

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American Airlines Flight 4645 Route Deals From $196

The cheapest prices found with in the last 7 days for return flights were $417 and $196 for one-way flights to Burlington Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 21 - Sun, May 11
PHL
Philadelphia Intl.
BTV
Burlington Intl.
$417 Roundtrip, found 7 hours ago
$417
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Apr 21 from Philadelphia Intl. to Burlington Intl., returning Sun, May 11, priced at $417 found 7 hours ago
Wed, Jul 2 - Sat, Jul 5
PHL
Philadelphia Intl.
BTV
Burlington Intl.
$421 Roundtrip, found 19 hours ago
$421
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Wed, Jul 2 from Philadelphia Intl. to Burlington Intl., returning Sat, Jul 5, priced at $421 found 19 hours ago

Frequently asked questions

What route does flight number AA4645 take?
You’ll be landing at Key West Intl. Airport from New York, NY Airport (LGA-LaGuardia) if you’ve booked a ticket on flight number AA4645. You’ll be airborne for 3 hours and 20 minutes during this trip. It’s also good to note that it conveniently travels non-stop.
What terminal does AA4645 fly out of?
Flight number AA4645 runs between LGA and EYW, and those booked on this flight normally board the aircraft from Terminal B.
What kind of plane is on flight number AA4645?
The route for AA4645 is usually LGA to Key West Intl. Airport, and the Embraer 175 is the type of plane you’ll probably be taking off on.
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 AA4645 flight with Travelocity, please visit our Customer Service Portal.