American Airlines Flight AA3764 Deals & Information (2025/2026)

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American Airlines Flight 3764 Route Deals From $47

The cheapest prices found with in the last 7 days for return flights were $91 and $47 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 5 - Wed, Nov 19
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, found 2 hours ago
$91
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $91 found 2 hours ago
Wed, Nov 5 - Wed, Nov 19
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$94 Roundtrip, found 2 hours ago
$94
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $94 found 2 hours ago
Sat, Aug 30 - Tue, Sep 2
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 1 day ago
$121
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $121 found 1 day ago
Wed, Nov 5 - Wed, Nov 19
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$124 Roundtrip, found 2 hours ago
$124
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $124 found 2 hours ago
Thu, Aug 7 - Sun, Aug 10
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$141 Roundtrip, found 5 hours ago
$141
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Aug 7 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sun, Aug 10, priced at $141 found 5 hours ago
Wed, Nov 5 - Wed, Nov 19
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$151 Roundtrip, found 2 hours ago
$151
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $151 found 2 hours ago

Frequently asked questions

What route does flight number AA3764 take?
AA3764 serves multiple routes, but the most common is between Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.) and STL. If on a non-stop flight, you’ll arrive in 1 hour and 48 minutes. Multi-stop flights can also use this number, as can services on other routes.
How often is AA3764 on time?
American Airlines flight number AA3764 between DFW and STL touches down according to schedule 93% of the time, so you can rest assured you will reach your destination ASAP. On the rare instance that it is behind schedule, the average delay time is 9 minutes. This flight has a 4.65-star rating.
What kind of plane is on flight number AA3764?
If you’ve booked a seat on flight AA3764 from DFW Airport to Lambert Field, you’ll most likely be cruising aboard an Embraer 175. This flight number serves several 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 AA3764 flight with Travelocity, please visit our Customer Service Portal.