American Airlines Flight 4538 Deals & Information (2026/2027)

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American Airlines Flight 4538 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $220 and $109 for one-way flights to Pittsburgh Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 17 - Sat, Sep 19
LGA
LaGuardia
PIT
Pittsburgh Intl.
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 17 from LaGuardia to Pittsburgh Intl., returning Sat, Sep 19, priced at $220 found 2 days ago
Thu, Feb 4 - Sun, Feb 7
LGA
LaGuardia
PIT
Pittsburgh Intl.
$231 Roundtrip, found 3 days ago
$231
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 4 from LaGuardia to Pittsburgh Intl., returning Sun, Feb 7, priced at $231 found 3 days ago
Thu, Sep 17 - Sat, Sep 19
LGA
LaGuardia
PIT
Pittsburgh Intl.
$236 Roundtrip, found 2 days ago
$236
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 17 from LaGuardia to Pittsburgh Intl., returning Sat, Sep 19, priced at $236 found 2 days ago
Fri, Sep 4 - Fri, Sep 11
LGA
LaGuardia
PIT
Pittsburgh Intl.
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 4 from LaGuardia to Pittsburgh Intl., returning Fri, Sep 11, priced at $237 found 6 days ago
Thu, Feb 4 - Sun, Feb 7
LGA
LaGuardia
PIT
Pittsburgh Intl.
$241 Roundtrip, found 3 days ago
$241
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 4 from LaGuardia to Pittsburgh Intl., returning Sun, Feb 7, priced at $241 found 3 days ago
Mon, Nov 9 - Tue, Nov 10
LGA
LaGuardia
PIT
Pittsburgh Intl.
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 9 from LaGuardia to Pittsburgh Intl., returning Tue, Nov 10, priced at $242 found 2 days ago
Mon, Nov 9 - Tue, Nov 10
LGA
LaGuardia
PIT
Pittsburgh Intl.
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 9 from LaGuardia to Pittsburgh Intl., returning Tue, Nov 10, priced at $244 found 2 days ago
Thu, Sep 17 - Fri, Sep 18
LGA
LaGuardia
PIT
Pittsburgh Intl.
$245 Roundtrip, found 4 days ago
$245
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 17 from LaGuardia to Pittsburgh Intl., returning Fri, Sep 18, priced at $245 found 4 days ago
Fri, Nov 6 - Sun, Nov 8
LGA
LaGuardia
PIT
Pittsburgh Intl.
$247 Roundtrip, found 2 hours ago
$247
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Nov 6 from LaGuardia to Pittsburgh Intl., returning Sun, Nov 8, priced at $247 found 2 hours ago
Fri, Sep 4 - Fri, Sep 11
LGA
LaGuardia
PIT
Pittsburgh Intl.
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 4 from LaGuardia to Pittsburgh Intl., returning Fri, Sep 11, priced at $252 found 6 days 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.