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

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American Airlines Flight 4557 Route Deals From $116

The cheapest prices found with in the last 7 days for return flights were $189 and $116 for one-way flights to McGhee Tyson for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 26 - Sun, Jul 27
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$189 Roundtrip, found 3 days ago
$189
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jul 26 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Jul 27, priced at $189 found 3 days ago
Thu, Sep 4 - Sun, Sep 7
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Sep 7, priced at $219 found 3 days ago
Fri, Aug 1 - Tue, Aug 5
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 1 from Ronald Reagan Washington National to McGhee Tyson, returning Tue, Aug 5, priced at $223 found 3 days ago
Sat, Jul 26 - Sun, Jul 27
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$229 Roundtrip, found 3 days ago
$229
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jul 26 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Jul 27, priced at $229 found 3 days ago
Fri, Jul 18 - Sun, Jul 20
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$230 Roundtrip, found 1 hour ago
$230
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Jul 18 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Jul 20, priced at $230 found 1 hour ago
Fri, Jul 25 - Sun, Jul 27
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 25 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Jul 27, priced at $233 found 3 days ago
Thu, Jul 17 - Sun, Jul 20
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$240 Roundtrip, found 1 hour ago
$240
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to McGhee Tyson, returning Sun, Jul 20, priced at $240 found 1 hour ago
Mon, Dec 29 - Thu, Jan 1
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$249 Roundtrip, found 20 hours ago
$249
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Mon, Dec 29 from Ronald Reagan Washington National to McGhee Tyson, returning Thu, Jan 1, priced at $249 found 20 hours ago
Fri, Aug 1 - Wed, Aug 6
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 1 from Ronald Reagan Washington National to McGhee Tyson, returning Wed, Aug 6, priced at $254 found 2 days ago
Fri, Jul 18 - Fri, Jul 25
DCA
Ronald Reagan Washington National
TYS
McGhee Tyson
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jul 18 from Ronald Reagan Washington National to McGhee Tyson, returning Fri, Jul 25, priced at $254 found 5 days 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.