American Airlines Flight AA439 Deals & Information (2025/2026)

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American Airlines Flight 439 Route Deals From $46

The cheapest prices found with in the last 7 days for return flights were $91 and $46 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 22 - Thu, Sep 25
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$91 Roundtrip, found 3 days ago
$91
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Sep 25, priced at $91 found 3 days ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $93 found 2 days ago
Tue, Aug 5 - Sat, Aug 9
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$121 Roundtrip, found 2 days ago
$121
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $121 found 2 days ago
Tue, Aug 5 - Sat, Aug 9
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$123 Roundtrip, found 2 days ago
$123
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $123 found 2 days ago
Thu, Sep 25 - Sun, Sep 28
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$138 Roundtrip, found 4 days ago
$138
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 25 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $138 found 4 days ago
Mon, Sep 22 - Thu, Sep 25
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$151 Roundtrip, found 3 days ago
$151
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Sep 25, priced at $151 found 3 days ago

Frequently asked questions

What route does flight number AA439 take?
AA439 jets from Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) to Lambert-St. Louis Intl. Airport (STL) and is a direct flight. This journey takes 1 hour and 56 minutes.
How often is AA439 on time?
Approximately 85% of AA439 flights head off on time --- so if you're jetsetting between CLT and Lambert-St. Louis Intl. Airport (STL), you can be confident that you will reach your destination as quickly as possible. On the rare occasion that your American Airlines trip runs late, the average wait time is about 16 minutes. Thanks to the carrier's high standard of service, this route has a 3.1-star rating.
What kind of plane is on flight number AA439?
You'll most likely be boarding a Boeing 737-800 if you've reserved a seat on flight AA439. This flight usually departs from Charlotte-Douglas Intl. Airport (CLT) and touches down at Lambert Field.
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 AA439 flight with Travelocity, please visit our Customer Service Portal.