American Airlines Flight AA3690 Deals & Information (2025/2026)

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American Airlines Flight 3690 Route Deals From $73

The cheapest prices found with in the last 7 days for return flights were $112 and $73 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 6 - Thu, Aug 7
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$112 Roundtrip, found 4 days ago
$112
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 6 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 7, priced at $112 found 4 days ago
Mon, Nov 24 - Thu, Nov 27
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$118 Roundtrip, found 6 days ago
$118
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Nov 24 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Nov 27, priced at $118 found 6 days ago
Thu, Aug 7 - Sun, Aug 10
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$132 Roundtrip, found 5 days ago
$132
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 7 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Sun, Aug 10, priced at $132 found 5 days ago
Wed, Aug 6 - Thu, Aug 7
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$142 Roundtrip, found 4 days ago
$142
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 6 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 7, priced at $142 found 4 days ago
Mon, Nov 24 - Thu, Nov 27
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$149 Roundtrip, found 6 days ago
$149
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Nov 24 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Nov 27, priced at $149 found 6 days ago
Tue, Sep 9 - Tue, Sep 16
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$164 Roundtrip, found 3 hours ago
$164
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Sep 9 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Sep 16, priced at $164 found 3 hours ago
Wed, Aug 6 - Thu, Aug 7
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$173 Roundtrip, found 4 days ago
$173
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 6 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 7, priced at $173 found 4 days ago
Fri, Sep 5 - Tue, Sep 16
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$181 Roundtrip, found 3 hours ago
$181
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Sep 16, priced at $181 found 3 hours ago
Mon, Sep 8 - Tue, Sep 16
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$184 Roundtrip, found 3 hours ago
$184
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Sep 8 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Sep 16, priced at $184 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.