American Airlines Flight AA3900 Deals & Information (2025/2026)

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American Airlines Flight 3900 Route Deals From $49

The cheapest prices found with in the last 7 days for return flights were $97 and $49 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 11 - Thu, Feb 19
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$97 Roundtrip, found 1 hour ago
$97
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Dec 11 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Thu, Feb 19, priced at $97 found 1 hour ago
Thu, Dec 11 - Thu, Feb 19
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Dec 11 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Thu, Feb 19, priced at $157 found 1 hour ago
Thu, Dec 11 - Thu, Feb 19
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$203 Roundtrip, found 1 hour ago
$203
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Dec 11 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Thu, Feb 19, priced at $203 found 1 hour ago
Mon, Sep 29 - Tue, Sep 30
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Sep 29 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Tue, Sep 30, priced at $207 found 1 hour ago
Thu, Sep 25 - Sun, Sep 28
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$223 Roundtrip, found 2 days ago
$223
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 25 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Sun, Sep 28, priced at $223 found 2 days ago
Fri, Dec 26 - Wed, Dec 31
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 26 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Wed, Dec 31, priced at $243 found 2 days ago
Fri, Dec 26 - Wed, Dec 31
DFW
Dallas-Fort Worth Intl.
AUS
Austin-Bergstrom Intl.
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 26 from Dallas-Fort Worth Intl. to Austin-Bergstrom Intl., returning Wed, Dec 31, priced at $258 found 2 days ago

Frequently asked questions

What route does flight number AA3900 take?
AA3900 serves multiple routes, but the most common is between Wilmington, NC Airport (ILM-Wilmington Intl.) and O'Hare Airport. If your flight is direct, you'll stroll through arrivals in 2 hours and 34 minutes. Multi-stop flights can also use this number, as can services on other routes.
What kind of plane is on flight number AA3900?
It's likely you'll be on the Embraer 175 if you're going from Wilmington Intl. Airport to Chicago, IL Airport (ORD-O'Hare Intl.), the most popular route for flight AA3900.
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 AA3900 flight with Travelocity, please visit our Customer Service Portal.