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

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American Airlines Flight 3690 Route Deals From $118

The cheapest prices found with in the last 7 days for return flights were $172 and $118 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 2 - Mon, Aug 4
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$172 Roundtrip, found 4 days ago
$172
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Mon, Aug 4, priced at $172 found 4 days ago
Sat, Aug 2 - Mon, Aug 4
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Mon, Aug 4, priced at $212 found 4 days ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $234 found 1 day ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $238 found 1 day ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $243 found 1 day ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $243 found 1 day ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $244 found 1 day ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $248 found 1 day ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $269 found 1 day ago
Sat, Jul 19 - Sun, Jul 20
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$274 Roundtrip, found 9 hours ago
$274
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Sat, Jul 19 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Sun, Jul 20, priced at $274 found 9 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Aug 14, priced at $278 found 1 day ago
Tue, Jun 24 - Thu, Jun 26
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$398 Roundtrip, just found
$398
Roundtrip
just found
Select American Airlines flight, departing Tue, Jun 24 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Jun 26, priced at $398 just found

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.