American Airlines Flight 4788 Deals & Information (2026/2027)

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American Airlines Flight 4788 Route Deals From $177

The cheapest prices found with in the last 7 days for return flights were $321 and $177 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 3 - Mon, Oct 5
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$321 Roundtrip, found 4 days ago
$321
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 3 from Buffalo Niagara Intl. to Logan Intl., returning Mon, Oct 5, priced at $321 found 4 days ago
Wed, Sep 16 - Fri, Sep 18
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$331 Roundtrip, found 6 hours ago
$331
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Sep 16 from Buffalo Niagara Intl. to Logan Intl., returning Fri, Sep 18, priced at $331 found 6 hours ago
Sat, Dec 5 - Mon, Dec 7
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$336 Roundtrip, found 3 hours ago
$336
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Dec 5 from Buffalo Niagara Intl. to Logan Intl., returning Mon, Dec 7, priced at $336 found 3 hours ago
Sat, Dec 5 - Mon, Dec 7
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$346 Roundtrip, found 3 hours ago
$346
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Dec 5 from Buffalo Niagara Intl. to Logan Intl., returning Mon, Dec 7, priced at $346 found 3 hours ago

Frequently asked questions

What route does flight number AA4788 take?
AA4788 serves multiple routes, but the most common is between Chicago, IL Airport (ORD-O'Hare Intl.) and Lambert-St. Louis Intl. Airport (STL). If your flight goes direct, you'll stroll through arrivals in approximately 1 hour and 26 minutes. Multi-stop flights can also travel under this number, as can flights on other routes.
What terminal does AA4788 fly out of?
You'll probably depart from Terminal 3 if you're beginning your journey at ORD. Flight number AA4788 serves several different routes, but the direct flight between O'Hare Intl. Airport (ORD) and Lambert Field is the most frequently traveled one.
What kind of plane is on flight number AA4788?
Chances are you'll be aboard an Embraer 175 if you're flying from O'Hare Airport to STL, a common route for flight number AA4788.
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 AA4788 flight with Travelocity, please visit our Customer Service Portal.