American Airlines Flight 4540 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 $97

The cheapest prices found with in the last 7 days for return flights were $249 and $97 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 27 - Wed, Sep 3
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 27 from Ronald Reagan Washington National to Key West Intl., returning Wed, Sep 3, priced at $249 found 1 day ago
Mon, Jun 30 - Fri, Jul 4
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$278 Roundtrip, found 6 days ago
$278
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jun 30 from Ronald Reagan Washington National to Key West Intl., returning Fri, Jul 4, priced at $278 found 6 days ago
Thu, Nov 27 - Tue, Dec 2
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$279 Roundtrip, found 5 hours ago
$279
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Nov 27 from Ronald Reagan Washington National to Key West Intl., returning Tue, Dec 2, priced at $279 found 5 hours ago
Fri, Aug 8 - Tue, Aug 12
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$285 Roundtrip, found 5 hours ago
$285
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Aug 8 from Ronald Reagan Washington National to Key West Intl., returning Tue, Aug 12, priced at $285 found 5 hours ago
Wed, Aug 27 - Wed, Sep 3
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 27 from Ronald Reagan Washington National to Key West Intl., returning Wed, Sep 3, priced at $296 found 1 day ago
Wed, Aug 27 - Wed, Sep 3
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 Wed, Aug 27 from Ronald Reagan Washington National to Key West Intl., returning Wed, Sep 3, priced at $298 found 1 day ago
Thu, Nov 27 - Tue, Dec 2
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$299 Roundtrip, found 5 hours ago
$299
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Nov 27 from Ronald Reagan Washington National to Key West Intl., returning Tue, Dec 2, priced at $299 found 5 hours ago
Tue, Aug 12 - Wed, Aug 13
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$304 Roundtrip, found 5 hours ago
$304
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Aug 12 from Ronald Reagan Washington National to Key West Intl., returning Wed, Aug 13, priced at $304 found 5 hours ago
Fri, Aug 8 - Tue, Aug 12
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$314 Roundtrip, found 5 hours ago
$314
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Aug 8 from Ronald Reagan Washington National to Key West Intl., returning Tue, Aug 12, priced at $314 found 5 hours ago
Tue, Nov 25 - Tue, Dec 2
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$314 Roundtrip, found 2 hours ago
$314
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Ronald Reagan Washington National to Key West Intl., returning Tue, Dec 2, priced at $314 found 2 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.