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

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American Airlines Flight 3690 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $211 and $99 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 15 - Tue, Dec 16
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$211 Roundtrip, found 5 days ago
$211
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 15 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Dec 16, priced at $211 found 5 days ago
Wed, Dec 24 - Thu, Dec 25
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 Wed, Dec 24 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Dec 25, priced at $226 found 2 days ago
Wed, Dec 24 - Thu, Dec 25
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 24 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Dec 25, priced at $238 found 2 days ago
Mon, Dec 22 - Thu, Jan 8
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$257 Roundtrip, found 4 hours ago
$257
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Dec 22 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Jan 8, priced at $257 found 4 hours ago
Mon, Dec 22 - Thu, Jan 8
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$267 Roundtrip, found 4 hours ago
$267
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Dec 22 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Jan 8, priced at $267 found 4 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.