American Airlines Flight 4557 Deals & Information (2025/2026)

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American Airlines Flight 4557 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $189 and $90 for one-way flights to McGhee Tyson for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 14 - Tue, Nov 18
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$189 Roundtrip, found 7 hours ago
$189
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Ronald Reagan Washington National to McGhee Tyson, returning Tue, Nov 18, priced at $189 found 7 hours ago
Sat, Sep 6 - Wed, Sep 10
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$191 Roundtrip, found 10 hours ago
$191
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Sep 6 from Ronald Reagan Washington National to McGhee Tyson, returning Wed, Sep 10, priced at $191 found 10 hours ago
Sun, Aug 17 - Tue, Sep 9
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$192 Roundtrip, found 6 days ago
$192
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Aug 17 from Ronald Reagan Washington National to McGhee Tyson, returning Tue, Sep 9, priced at $192 found 6 days ago
Wed, Aug 6 - Sat, Aug 9
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 6 from Ronald Reagan Washington National to McGhee Tyson, returning Sat, Aug 9, priced at $194 found 1 day ago
Tue, Aug 12 - Sat, Aug 16
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$202 Roundtrip, found 3 days ago
$202
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 12 from Ronald Reagan Washington National to McGhee Tyson, returning Sat, Aug 16, priced at $202 found 3 days ago
Sun, Aug 17 - Tue, Sep 9
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$214 Roundtrip, found 6 days ago
$214
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Aug 17 from Ronald Reagan Washington National to McGhee Tyson, returning Tue, Sep 9, priced at $214 found 6 days ago
Wed, Aug 27 - Sun, Aug 31
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Aug 27 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Aug 31, priced at $217 found 2 days ago
Fri, Nov 14 - Tue, Nov 18
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$219 Roundtrip, found 7 hours ago
$219
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Ronald Reagan Washington National to McGhee Tyson, returning Tue, Nov 18, priced at $219 found 7 hours ago
Fri, Nov 14 - Tue, Nov 18
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$220 Roundtrip, found 7 hours ago
$220
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Ronald Reagan Washington National to McGhee Tyson, returning Tue, Nov 18, priced at $220 found 7 hours ago
Thu, Aug 14 - Sat, Aug 16
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 14 from Ronald Reagan Washington National to McGhee Tyson, returning Sat, Aug 16, priced at $221 found 1 day ago

Frequently asked questions

What route does flight number AA4557 take?
AA4557 takes a number of routes. The most frequently flown is between LaGuardia Airport and STL, which is a direct flight. This service usually takes 2 hours and 47 minutes. That said, there may possibly be other flights with the same number that are multi-stop.
How often is AA4557 on time?
If you're taking to the skies with American Airlines on flight number AA4557 from LGA to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.), your service will be on time 95% of the time — when you're running on a tight schedule, it's a relief knowing that your airline does too. In the rare event of an unforeseen delay, the average delay is just 1 hour and 33 minutes. This journey has a 2.7-star rating.
What terminal does AA4557 fly out of?
If you're flying out of LaGuardia Airport (LGA), there's a good chance you'll board the aircraft from Terminal B. The most frequented route for flight number AA4557 is LaGuardia Airport to Lambert Field, which is a direct flight.
What kind of plane is on flight number AA4557?
If you're taking flight AA4557 from New York, NY Airport (LGA-LaGuardia) to Lambert-St. Louis Intl. Airport (STL), you'll most likely be cruising aboard the Embraer 170. Flight AA4557 serves a number of different routes, but this is the most popular.
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 AA4557 flight with Travelocity, please visit our Customer Service Portal.