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

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American Airlines Flight 4538 Route Deals From $134

The cheapest prices found with in the last 7 days for return flights were $267 and $134 for one-way flights to Pittsburgh Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 8 - Thu, Dec 10
LGA
LaGuardia
PIT
Pittsburgh Intl.
$267 Roundtrip, found 14 hours ago
$267
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Dec 8 from LaGuardia to Pittsburgh Intl., returning Thu, Dec 10, priced at $267 found 14 hours ago
Tue, Dec 8 - Thu, Dec 10
LGA
LaGuardia
PIT
Pittsburgh Intl.
$277 Roundtrip, found 14 hours ago
$277
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Dec 8 from LaGuardia to Pittsburgh Intl., returning Thu, Dec 10, priced at $277 found 14 hours ago
Fri, Nov 13 - Sat, Nov 14
LGA
LaGuardia
PIT
Pittsburgh Intl.
$282 Roundtrip, found 11 hours ago
$282
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Nov 13 from LaGuardia to Pittsburgh Intl., returning Sat, Nov 14, priced at $282 found 11 hours ago
Tue, Dec 8 - Thu, Dec 10
LGA
LaGuardia
PIT
Pittsburgh Intl.
$287 Roundtrip, found 14 hours ago
$287
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Dec 8 from LaGuardia to Pittsburgh Intl., returning Thu, Dec 10, priced at $287 found 14 hours ago
Fri, Nov 6 - Sun, Nov 8
LGA
LaGuardia
PIT
Pittsburgh Intl.
$287 Roundtrip, found 10 hours ago
$287
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Nov 6 from LaGuardia to Pittsburgh Intl., returning Sun, Nov 8, priced at $287 found 10 hours ago
Tue, Nov 17 - Sun, Nov 22
LGA
LaGuardia
PIT
Pittsburgh Intl.
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 17 from LaGuardia to Pittsburgh Intl., returning Sun, Nov 22, priced at $289 found 2 days ago
Fri, Nov 6 - Sun, Nov 8
LGA
LaGuardia
PIT
Pittsburgh Intl.
$292 Roundtrip, found 10 hours ago
$292
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Nov 6 from LaGuardia to Pittsburgh Intl., returning Sun, Nov 8, priced at $292 found 10 hours ago
Tue, Dec 8 - Thu, Dec 10
LGA
LaGuardia
PIT
Pittsburgh Intl.
$297 Roundtrip, found 14 hours ago
$297
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Dec 8 from LaGuardia to Pittsburgh Intl., returning Thu, Dec 10, priced at $297 found 14 hours ago
Thu, Nov 19 - Sun, Nov 22
LGA
LaGuardia
PIT
Pittsburgh Intl.
$299 Roundtrip, found 9 hours ago
$299
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Thu, Nov 19 from LaGuardia to Pittsburgh Intl., returning Sun, Nov 22, priced at $299 found 9 hours ago
Thu, Feb 4 - Sun, Feb 7
LGA
LaGuardia
PIT
Pittsburgh Intl.
$301 Roundtrip, found 16 hours ago
$301
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Feb 4 from LaGuardia to Pittsburgh Intl., returning Sun, Feb 7, priced at $301 found 16 hours ago
Thu, Nov 19 - Sun, Nov 22
LGA
LaGuardia
PIT
Pittsburgh Intl.
$307 Roundtrip, found 9 hours ago
$307
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Thu, Nov 19 from LaGuardia to Pittsburgh Intl., returning Sun, Nov 22, priced at $307 found 9 hours ago
Thu, Feb 4 - Sun, Feb 7
LGA
LaGuardia
PIT
Pittsburgh Intl.
$309 Roundtrip, found 16 hours ago
$309
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Feb 4 from LaGuardia to Pittsburgh Intl., returning Sun, Feb 7, priced at $309 found 16 hours ago
Fri, Oct 23 - Sun, Oct 25
LGA
LaGuardia
PIT
Pittsburgh Intl.
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 23 from LaGuardia to Pittsburgh Intl., returning Sun, Oct 25, priced at $314 found 2 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.