United Flight AA5323 Deals & Information (2025/2026)

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United Flight 5323 Route Deals From $39

The cheapest prices found with in the last 7 days for return flights were $114 and $39 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 7 - Mon, Nov 10
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$114 Roundtrip, found 4 hours ago
$114
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Nov 7 from Lambert-St. Louis Intl. to O'Hare Intl., returning Mon, Nov 10, priced at $114 found 4 hours ago
Wed, Sep 24 - Thu, Sep 25
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$117 Roundtrip, found 5 days ago
$117
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Sep 25, priced at $117 found 5 days ago
Wed, Sep 24 - Thu, Sep 25
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$119 Roundtrip, found 5 days ago
$119
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Sep 25, priced at $119 found 5 days ago
Sun, Sep 7 - Wed, Sep 10
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$121 Roundtrip, found 4 days ago
$121
Roundtrip
found 4 days ago
Select United flight, departing Sun, Sep 7 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Sep 10, priced at $121 found 4 days ago
Wed, Sep 24 - Thu, Sep 25
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$125 Roundtrip, found 5 days ago
$125
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Sep 25, priced at $125 found 5 days ago
Sat, Aug 23 - Sun, Aug 24
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$130 Roundtrip, found 5 hours ago
$130
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Aug 23 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sun, Aug 24, priced at $130 found 5 hours ago
Tue, Sep 16 - Fri, Sep 19
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$131 Roundtrip, found 1 day ago
$131
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 16 from Lambert-St. Louis Intl. to O'Hare Intl., returning Fri, Sep 19, priced at $131 found 1 day ago
Wed, Oct 29 - Thu, Oct 30
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 29 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Oct 30, priced at $134 found 2 days ago
Tue, Sep 16 - Fri, Sep 19
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 16 from Lambert-St. Louis Intl. to O'Hare Intl., returning Fri, Sep 19, priced at $139 found 1 day ago

Frequently asked questions

What route does flight number UA5323 take?
You'll arrive into DIA airport from Austin, TX Airport (AUS-Austin-Bergstrom Intl.) if you're traveling on flight number UA5323. You'll be in the sky for 2 hours and 29 minutes on this trip. What's more, it conveniently travels non-stop.
What kind of plane is on flight number UA5323?
The Embraer 175 is the kind of plane most frequently used for flight number UA5323. More often than not, this flight leaves from Austin, TX Airport (AUS-Austin-Bergstrom Intl.) and comes in to land at Denver Intl. Airport (DEN).
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 UA5323 flight with Travelocity, please visit our Customer Service Portal.