American Airlines Flight AA4538 Deals & Information (2025/2026)

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American Airlines Flight 4538 Route Deals From $65

The cheapest prices found with in the last 7 days for return flights were $129 and $65 for one-way flights to Ronald Reagan Washington National for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 19 - Tue, Sep 23
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$129 Roundtrip, found 23 hours ago
$129
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Sep 19 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Sep 23, priced at $129 found 23 hours ago
Fri, Sep 19 - Tue, Sep 23
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$131 Roundtrip, found 23 hours ago
$131
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Sep 19 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Sep 23, priced at $131 found 23 hours ago
Fri, Sep 19 - Tue, Sep 23
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 19 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Sep 23, priced at $159 found 1 day ago
Fri, Sep 19 - Tue, Sep 23
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$162 Roundtrip, found 23 hours ago
$162
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Sep 19 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Sep 23, priced at $162 found 23 hours ago
Thu, Jul 17 - Mon, Jul 21
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$162 Roundtrip, found 15 hours ago
$162
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Jul 17 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Mon, Jul 21, priced at $162 found 15 hours ago
Thu, Jul 17 - Mon, Jul 21
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$193 Roundtrip, found 15 hours ago
$193
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Jul 17 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Mon, Jul 21, priced at $193 found 15 hours ago
Fri, Sep 19 - Tue, Sep 23
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$196 Roundtrip, found 23 hours ago
$196
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Sep 19 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Sep 23, priced at $196 found 23 hours ago

Frequently asked questions

What route does flight number AA4538 take?
AA4538 takes a number of routes. The most popular is Buffalo, NY Airport (BUF-Buffalo Niagara Intl.) to DCA, which is a direct flight. This flight generally takes 1 hour and 21 minutes. That said, there may possibly be other flights with the same number that have one or more stops.
What kind of plane is on flight number AA4538?
It’s likely you’ll be enjoying the services of an Embraer 175 if you’ve booked a fare on flight AA4538 from Buffalo Niagara Intl. Airport (BUF) to Washington, DC Airport (DCA-Ronald Reagan Washington National). It’s the most commonly used aircraft type on this popular route.
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 AA4538 flight with Travelocity, please visit our Customer Service Portal.