American Airlines Flight 590 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 590 Route Deals From $140

The cheapest prices found with in the last 7 days for return flights were $277 and $140 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 26 - Tue, Oct 6
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 26 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Oct 6, priced at $277 found 2 days ago
Sat, Oct 31 - Mon, Nov 2
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 31 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Nov 2, priced at $280 found 2 days ago
Sat, Sep 19 - Sat, Sep 26
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Sep 19 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at $284 found 3 days ago
Sat, Sep 26 - Tue, Oct 6
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 26 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Oct 6, priced at $297 found 2 days ago
Sat, Sep 19 - Sat, Sep 26
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$304 Roundtrip, found 3 days ago
$304
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Sep 19 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at $304 found 3 days ago
Sat, Oct 31 - Mon, Nov 2
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 31 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Nov 2, priced at $307 found 2 days ago
Wed, Oct 7 - Wed, Oct 21
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$311 Roundtrip, found 2 days ago
$311
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 7 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Oct 21, priced at $311 found 2 days ago
Thu, Sep 17 - Mon, Sep 21
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$314 Roundtrip, found 18 hours ago
$314
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Sep 17 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Sep 21, priced at $314 found 18 hours ago
Thu, Sep 24 - Mon, Sep 28
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 24 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Sep 28, priced at $317 found 1 day ago

Frequently asked questions

What route does flight number AA590 take?
AA590 serves multiple routes, but the most common is between Phoenix Sky Harbor Intl. Airport and STL. If on a direct flight, you'll touch down in 3 hours and 7 minutes. Multi-stop flights can also travel under the same number, as can flights on other routes.
What terminal does AA590 fly out of?
If you're jetting off from Phoenix Sky Harbor Intl. Airport, there's an excellent chance you'll board from Terminal 4. The most traveled route for flight number AA590 is PHX to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.), which is a nonstop flight.
What kind of plane is on flight number AA590?
If you're booked on flight AA590 from Phoenix, AZ Airport (PHX-Sky Harbor Intl.) to Lambert Field, there's a strong chance you'll be on board the Airbus A320. Flight AA590 serves multiple routes, but this is the most common one.
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 AA590 flight with Travelocity, please visit our Customer Service Portal.