American Airlines Flight 4538 Deals & Information (2025/2026)

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American Airlines Flight 4538 Route Deals From $66

The cheapest prices found with in the last 7 days for return flights were $129 and $66 for one-way flights to Ronald Reagan Washington National for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 27 - Tue, Jul 29
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$129 Roundtrip, found 6 hours ago
$129
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun, Jul 27 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Jul 29, priced at $129 found 6 hours ago
Sun, Jul 27 - Tue, Jul 29
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$131 Roundtrip, found 6 hours ago
$131
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun, Jul 27 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Jul 29, priced at $131 found 6 hours ago
Sun, Jul 27 - Tue, Jul 29
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$162 Roundtrip, found 6 hours ago
$162
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun, Jul 27 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Jul 29, priced at $162 found 6 hours ago
Sun, Jul 27 - Tue, Jul 29
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$193 Roundtrip, found 6 hours ago
$193
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun, Jul 27 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Tue, Jul 29, priced at $193 found 6 hours ago
Fri, Jul 4 - Sun, Jul 6
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$194 Roundtrip, found 3 days ago
$194
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 4 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Sun, Jul 6, priced at $194 found 3 days ago
Sat, Jun 7 - Sun, Jun 8
JFK
John F. Kennedy Intl.
DCA
Ronald Reagan Washington National
$196 Roundtrip, found 2 hours ago
$196
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Jun 7 from John F. Kennedy Intl. to Ronald Reagan Washington National, returning Sun, Jun 8, priced at $196 found 2 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.