American Airlines Flight 4512 Deals & Information (2026/2027)

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American Airlines Flight 4512 Route Deals From $157

The cheapest prices found with in the last 7 days for return flights were $284 and $157 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$284 Roundtrip, just found
$284
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $284 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$313 Roundtrip, just found
$313
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $313 just found
Mon, Nov 23 - Fri, Nov 27
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$316 Roundtrip, just found
$316
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 23 from Logan Intl. to Lambert-St. Louis Intl., returning Fri, Nov 27, priced at $316 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$319 Roundtrip, just found
$319
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $319 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$323 Roundtrip, just found
$323
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $323 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$329 Roundtrip, just found
$329
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $329 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$346 Roundtrip, just found
$346
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $346 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$348 Roundtrip, just found
$348
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $348 just found
Wed, Nov 18 - Mon, Nov 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$356 Roundtrip, just found
$356
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 18 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $356 just found
Mon, Nov 23 - Fri, Nov 27
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$360 Roundtrip, just found
$360
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 23 from Logan Intl. to Lambert-St. Louis Intl., returning Fri, Nov 27, priced at $360 just found
Mon, Nov 23 - Fri, Nov 27
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$370 Roundtrip, just found
$370
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 23 from Logan Intl. to Lambert-St. Louis Intl., returning Fri, Nov 27, priced at $370 just found

Frequently asked questions

What route does flight number AA4512 take?
AA4512 takes a number of routes. The most frequently flown is Ronald Reagan Washington National Airport (DCA) to CAE, which is a direct flight. This service takes about 1 hour and 31 minutes. However, there may possibly be other flights with the same number that are multi-stop.
What terminal does AA4512 fly out of?
If you're booked on a flight from DCA, there's every chance you'll board the plane from Terminal C. The most traveled route for AA4512 is Washington, DC Airport (DCA-Ronald Reagan Washington National) to CAE, which is a nonstop flight.
What kind of plane is on flight number AA4512?
There's every chance you'll be heading off on an Embraer 175 if you're jetting from DCA to CAE, one of several routes used for flight AA4512.
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 AA4512 flight with Travelocity, please visit our Customer Service Portal.