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

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American Airlines Flight 3690 Route Deals From $129

The cheapest prices found with in the last 7 days for return flights were $176 and $129 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 9 - Thu, Dec 11
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 9 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Dec 11, priced at $176 found 1 day ago
Tue, Dec 9 - Thu, Dec 11
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 9 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Dec 11, priced at $186 found 1 day ago
Fri, Dec 19 - Mon, Dec 22
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$218 Roundtrip, found 15 hours ago
$218
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Dec 19 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Mon, Dec 22, priced at $218 found 15 hours ago
Fri, Dec 19 - Mon, Dec 22
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$228 Roundtrip, found 15 hours ago
$228
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Dec 19 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Mon, Dec 22, priced at $228 found 15 hours ago
Wed, Dec 10 - Sat, Dec 13
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 10 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Sat, Dec 13, priced at $231 found 1 day ago
Wed, Nov 26 - Thu, Nov 27
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 26 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Nov 27, priced at $235 found 1 day ago
Wed, Dec 10 - Sat, Dec 13
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 10 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Sat, Dec 13, priced at $241 found 1 day ago
Mon, Dec 22 - Wed, Dec 24
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$242 Roundtrip, found 3 days ago
$242
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Wed, Dec 24, priced at $242 found 3 days ago
Wed, Nov 26 - Thu, Nov 27
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 26 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Thu, Nov 27, priced at $245 found 1 day ago
Mon, Dec 22 - Wed, Dec 24
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Wed, Dec 24, priced at $246 found 3 days ago
Mon, Dec 22 - Wed, Dec 24
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Wed, Dec 24, priced at $252 found 3 days ago
Mon, Feb 9 - Wed, Feb 11
ORD
O'Hare Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Feb 9 from O'Hare Intl. to Cincinnati - Northern Kentucky Intl., returning Wed, Feb 11, priced at $256 found 5 days ago