American Airlines Flight AA4582 Deals & Information (2025/2026)

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American Airlines Flight 4582 Route Deals From $46

The cheapest prices found with in the last 7 days for return flights were $140 and $46 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 5 - Mon, Jun 9
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$140 Roundtrip, just found
$140
Roundtrip
just found
Select American Airlines flight, departing Thu, Jun 5 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Jun 9, priced at $140 just found
Tue, Jul 22 - Thu, Jul 24
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$151 Roundtrip, found 8 hours ago
$151
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Tue, Jul 22 from O'Hare Intl. to Buffalo Niagara Intl., returning Thu, Jul 24, priced at $151 found 8 hours ago
Thu, Jun 5 - Mon, Jun 9
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$171 Roundtrip, just found
$171
Roundtrip
just found
Select American Airlines flight, departing Thu, Jun 5 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Jun 9, priced at $171 just found

Frequently asked questions

What route does flight number AA4582 take?
AA4582 serves multiple routes, but the most common is between GRR and Charlotte-Douglas Intl. Airport (CLT). If on a non-stop flight, you’ll disembark the plane in around 1 hour and 58 minutes. Multi-stop flights can also travel under this number, as can flights on other routes.
What kind of plane is on flight number AA4582?
AA4582 is a flight number that is used on many different routes. If you’re traveling on the busiest route, Grand Rapids, MI Airport (GRR-Gerald R. Ford Intl.) to CLT, you’re likely to be on the Embraer 175.
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 AA4582 flight with Travelocity, please visit our Customer Service Portal.