American Airlines Flight AA437 Deals & Information (2025/2026)

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American Airlines Flight 437 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $168 and $189 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 14 - Wed, May 21
LAS
Harry Reid Intl.
PHL
Philadelphia Intl.
$168 Roundtrip, found 3 days ago
$168
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, May 14 from Harry Reid Intl. to Philadelphia Intl., returning Wed, May 21, priced at $168 found 3 days ago
Sat, May 10 - Tue, May 20
LAS
Harry Reid Intl.
PHL
Philadelphia Intl.
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, May 10 from Harry Reid Intl. to Philadelphia Intl., returning Tue, May 20, priced at $178 found 1 day ago

Frequently asked questions

What route does flight number AA437 take?
AA437 serves multiple routes, but the most common is between Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.) and Austin-Bergstrom Intl. Airport (AUS). If you manage to score a direct flight, you’ll land in 1 hour. Multi-stop flights can also operate under this number, as can services on other routes.
What kind of plane is on flight number AA437?
There’s every chance you’ll be aboard a Boeing 737-800 if you’re traveling from Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.) to AUS, a common route for flight AA437.
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 AA437 flight with Travelocity, please visit our Customer Service Portal.