American Airlines Flight 4540 Deals & Information (2025/2026)

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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, just found
$279
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 27 from Ronald Reagan Washington National to Key West Intl., returning Tue, Dec 2, priced at $279 just found
Fri, Aug 8 - Tue, Aug 12
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$285 Roundtrip, found 1 hour ago
$285
Roundtrip
found 1 hour 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 1 hour 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, just found
$299
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 27 from Ronald Reagan Washington National to Key West Intl., returning Tue, Dec 2, priced at $299 just found
Tue, Aug 12 - Wed, Aug 13
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$304 Roundtrip, found 1 hour ago
$304
Roundtrip
found 1 hour 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 1 hour ago
Fri, Aug 8 - Tue, Aug 12
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$314 Roundtrip, found 1 hour ago
$314
Roundtrip
found 1 hour 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 1 hour ago
Thu, Nov 27 - Tue, Dec 2
DCA
Ronald Reagan Washington National
EYW
Key West Intl.
$314 Roundtrip, just found
$314
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 27 from Ronald Reagan Washington National to Key West Intl., returning Tue, Dec 2, priced at $314 just found

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.