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

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American Airlines Flight 4788 Route Deals From $105

The cheapest prices found with in the last 7 days for return flights were $207 and $105 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 9 - Sun, Jun 14
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jun 9 from Buffalo Niagara Intl. to Logan Intl., returning Sun, Jun 14, priced at $207 found 5 days ago
Wed, Jun 10 - Wed, Jun 17
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jun 10 from Buffalo Niagara Intl. to Logan Intl., returning Wed, Jun 17, priced at $207 found 2 days ago
Thu, Aug 20 - Mon, Aug 24
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$242 Roundtrip, found 17 hours ago
$242
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Aug 20 from Buffalo Niagara Intl. to Logan Intl., returning Mon, Aug 24, priced at $242 found 17 hours ago
Thu, Aug 20 - Mon, Aug 24
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$251 Roundtrip, found 17 hours ago
$251
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Aug 20 from Buffalo Niagara Intl. to Logan Intl., returning Mon, Aug 24, priced at $251 found 17 hours ago
Sat, Sep 12 - Mon, Sep 14
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Sep 12 from Buffalo Niagara Intl. to Logan Intl., returning Mon, Sep 14, priced at $256 found 1 day ago
Fri, Jun 26 - Sun, Jun 28
BUF
Buffalo Niagara Intl.
BOS
Logan Intl.
$257 Roundtrip, found 12 hours ago
$257
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Jun 26 from Buffalo Niagara Intl. to Logan Intl., returning Sun, Jun 28, priced at $257 found 12 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.