American Airlines Flight 3690 Deals & Information (2025/2026)

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American Airlines Flight 3690 Route Deals From $105

The cheapest prices found with in the last 7 days for return flights were $232 and $105 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 2 - Wed, Dec 3
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 2 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Wed, Dec 3, priced at $232 found 1 day ago
Thu, Feb 5 - Mon, Feb 9
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$241 Roundtrip, found 6 days ago
$241
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Feb 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Mon, Feb 9, priced at $241 found 6 days ago
Sun, Dec 28 - Wed, Dec 31
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$275 Roundtrip, found 18 hours ago
$275
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Dec 28 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Wed, Dec 31, priced at $275 found 18 hours ago

Frequently asked questions

What route does flight number AA3690 take?
You'll be arriving into Cincinnati, OH Airport (CVG-Cincinnati - Northern Kentucky Intl.) from O'Hare Airport if you've booked a ticket on flight number AA3690. You'll be in the air for 1 hour and 14 minutes during this journey. It's also good to note that the service conveniently travels direct.
What terminal does AA3690 fly out of?
You'll likely be climbing aboard the plane at Terminal 3 if you're traveling on AA3690 direct from Chicago, IL Airport (ORD-O'Hare Intl.) to CVG.
What kind of plane is on flight number AA3690?
The route for AA3690 is nearly always Chicago, IL Airport (ORD-O'Hare Intl.) to CVG, and the Embraer 175 is the type of aircraft you'll probably be taking off on.
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 AA3690 flight with Travelocity, please visit our Customer Service Portal.