American Airlines Flight 4578 Deals & Information (2026/2027)

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American Airlines Flight 4578 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $255 and $209 for one-way flights to LaGuardia for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 17 - Tue, Jun 23
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$255 Roundtrip, found 14 hours ago
$255
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Jun 17 from Piedmont Triad Intl. to LaGuardia, returning Tue, Jun 23, priced at $255 found 14 hours ago
Thu, Jun 4 - Mon, Jun 8
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$269 Roundtrip, found 18 hours ago
$269
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Jun 4 from Piedmont Triad Intl. to LaGuardia, returning Mon, Jun 8, priced at $269 found 18 hours ago
Wed, Jun 17 - Tue, Jun 23
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$275 Roundtrip, found 14 hours ago
$275
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Jun 17 from Piedmont Triad Intl. to LaGuardia, returning Tue, Jun 23, priced at $275 found 14 hours ago
Thu, Jun 4 - Mon, Jun 8
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$279 Roundtrip, found 18 hours ago
$279
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Jun 4 from Piedmont Triad Intl. to LaGuardia, returning Mon, Jun 8, priced at $279 found 18 hours ago
Wed, Jul 1 - Sat, Jul 4
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jul 1 from Piedmont Triad Intl. to LaGuardia, returning Sat, Jul 4, priced at $281 found 5 days ago
Wed, Nov 4 - Sat, Nov 7
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$284 Roundtrip, found 4 days ago
$284
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 4 from Piedmont Triad Intl. to LaGuardia, returning Sat, Nov 7, priced at $284 found 4 days ago
Fri, Jun 5 - Mon, Jun 8
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$285 Roundtrip, found 18 hours ago
$285
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Fri, Jun 5 from Piedmont Triad Intl. to LaGuardia, returning Mon, Jun 8, priced at $285 found 18 hours ago
Wed, May 27 - Sat, May 30
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, May 27 from Piedmont Triad Intl. to LaGuardia, returning Sat, May 30, priced at $289 found 5 days ago
Wed, Jun 17 - Tue, Jun 23
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$291 Roundtrip, found 14 hours ago
$291
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Jun 17 from Piedmont Triad Intl. to LaGuardia, returning Tue, Jun 23, priced at $291 found 14 hours ago
Wed, Nov 4 - Sat, Nov 7
GSO
Piedmont Triad Intl.
LGA
LaGuardia
$294 Roundtrip, found 4 days ago
$294
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 4 from Piedmont Triad Intl. to LaGuardia, returning Sat, Nov 7, priced at $294 found 4 days ago

Frequently asked questions

What route does flight number AA4578 take?
AA4578 is used on a number of routes. Mostly, AA4578 flies directly from PHL to PBI. If you've booked a seat on this route, you'll be traveling for about 2 hours and 54 minutes.
What kind of plane is on flight number AA4578?
It's likely you'll be aboard the Embraer 175 if you're going from PHL to PBI, one route used for flight AA4578.
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 AA4578 flight with Travelocity, please visit our Customer Service Portal.