American Airlines Flight AA4540 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 4540 Route Deals From $111

The cheapest prices found with in the last 7 days for return flights were $279 and $111 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Mar 1 - Thu, Mar 12
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Mar 1 from Ronald Reagan Washington National to Key West Intl., returning Thu, Mar 12, priced at $279 found 1 day ago
Wed, Oct 15 - Tue, Oct 21
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$284 Roundtrip, found 3 hours ago
$284
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Ronald Reagan Washington National to Key West Intl., returning Tue, Oct 21, priced at $284 found 3 hours ago
Tue, Jan 20 - Fri, Jan 23
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 20 from Ronald Reagan Washington National to Key West Intl., returning Fri, Jan 23, priced at $298 found 1 day ago
Mon, Oct 27 - Fri, Oct 31
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$306 Roundtrip, found 6 days ago
$306
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Oct 27 from Ronald Reagan Washington National to Key West Intl., returning Fri, Oct 31, priced at $306 found 6 days ago
Sat, Jan 17 - Thu, Jan 22
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$310 Roundtrip, found 1 day ago
$310
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jan 17 from Ronald Reagan Washington National to Key West Intl., returning Thu, Jan 22, priced at $310 found 1 day ago
Wed, Oct 15 - Tue, Oct 21
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$316 Roundtrip, found 3 hours ago
$316
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Ronald Reagan Washington National to Key West Intl., returning Tue, Oct 21, priced at $316 found 3 hours ago
Mon, Oct 27 - Fri, Oct 31
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$316 Roundtrip, found 6 days ago
$316
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Oct 27 from Ronald Reagan Washington National to Key West Intl., returning Fri, Oct 31, priced at $316 found 6 days ago
Thu, Nov 13 - Wed, Nov 19
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Ronald Reagan Washington National to Key West Intl., returning Wed, Nov 19, priced at $318 found 3 days ago
Thu, Dec 18 - Mon, Dec 22
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$319 Roundtrip, found 13 hours ago
$319
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Dec 18 from Ronald Reagan Washington National to Key West Intl., returning Mon, Dec 22, priced at $319 found 13 hours ago
Wed, Oct 15 - Tue, Oct 21
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$321 Roundtrip, found 3 hours ago
$321
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Ronald Reagan Washington National to Key West Intl., returning Tue, Oct 21, priced at $321 found 3 hours ago

Frequently asked questions

What route does flight number AA4540 take?
AA4540 flies straight from CLE to PHL in 1 hour and 33 minutes. It can sometimes take other routes though, some of which may be multi-stop journeys. Keep this in mind when locking in your airfare to avoid any confusion.
What kind of plane is on flight number AA4540?
AA4540 is a flight number that's used on many different routes. If you're traveling on the busiest route, Cleveland Hopkins Intl. Airport to Philadelphia Intl. Airport (PHL), you'll likely be boarding an 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 AA4540 flight with Travelocity, please visit our Customer Service Portal.