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

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American Airlines Flight 3690 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $186 and $90 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 26 - Mon, Sep 29
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$186 Roundtrip, found 2 days ago
$186
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Sep 26 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Mon, Sep 29, priced at $186 found 2 days ago
Thu, Sep 18 - Sat, Sep 20
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$217 Roundtrip, found 8 hours ago
$217
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, Sep 18 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Sat, Sep 20, priced at $217 found 8 hours ago
Fri, Aug 15 - Tue, Aug 19
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 15 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Aug 19, priced at $218 found 1 day ago
Sat, Aug 9 - Sun, Aug 10
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$226 Roundtrip, found 2 days ago
$226
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 9 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Sun, Aug 10, priced at $226 found 2 days ago
Fri, Aug 15 - Tue, Aug 19
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 15 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Aug 19, priced at $227 found 1 day ago
Mon, Jul 28 - Thu, Jul 31
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$427 Roundtrip, found 3 hours ago
$427
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Jul 28 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Jul 31, priced at $427 found 3 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.