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

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American Airlines Flight 3690 Route Deals From $115

The cheapest prices found with in the last 7 days for return flights were $172 and $115 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
Mon, Aug 4 - Tue, Aug 12
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$173 Roundtrip, found 6 days ago
$173
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Aug 4 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Aug 12, priced at $173 found 6 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 18 hours ago
$234
Roundtrip
found 18 hours 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 18 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$238 Roundtrip, found 18 hours ago
$238
Roundtrip
found 18 hours 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 18 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$243 Roundtrip, found 18 hours ago
$243
Roundtrip
found 18 hours 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 18 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$243 Roundtrip, found 18 hours ago
$243
Roundtrip
found 18 hours 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 18 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$244 Roundtrip, found 18 hours ago
$244
Roundtrip
found 18 hours 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 18 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$248 Roundtrip, found 18 hours ago
$248
Roundtrip
found 18 hours 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 18 hours ago
Tue, Aug 5 - Thu, Aug 14
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$269 Roundtrip, found 18 hours ago
$269
Roundtrip
found 18 hours 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 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.