American Airlines Flight AC4556 Deals & Information (2025/2026)

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American Airlines Flight 4556 Route Deals From $102

The cheapest prices found with in the last 7 days for return flights were $247 and $102 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 25 - Mon, Sep 29
LGA
LaGuardia
YYZ
Pearson Intl.
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 25 from LaGuardia to Pearson Intl., returning Mon, Sep 29, priced at $247 found 1 day ago
Thu, Sep 25 - Mon, Sep 29
LGA
LaGuardia
YYZ
Pearson Intl.
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 25 from LaGuardia to Pearson Intl., returning Mon, Sep 29, priced at $275 found 1 day ago

Frequently asked questions

What route does flight number AA4556 take?
AA4556 takes numerous routes. The most popular is between O'Hare Intl. Airport (ORD) and Hopkins Intl. Airport (CLE), which flies direct. This service generally takes 1 hour and 27 minutes. That said, there may be other flights with this number that are multi-stop.
What terminal does AA4556 fly out of?
AA4556 flights out of Chicago, IL Airport (ORD-O'Hare Intl.) normally head off from Terminal 3. This flight number runs on a number of routes, but the most traveled one is Chicago, IL Airport (ORD-O'Hare Intl.) to Hopkins Intl. Airport (CLE).
What kind of plane is on flight number AA4556?
There's every chance you'll be on board an Embraer 175 if you're jetting from O'Hare Airport to Cleveland, OH Airport (CLE-Hopkins Intl.), one of a few routes used for flight AA4556.
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 AA4556 flight with Travelocity, please visit our Customer Service Portal.