American Airlines Flight AA3664 Deals & Information (2025/2026)

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American Airlines Flight 3664 Route Deals From $144

The cheapest prices found with in the last 7 days for return flights were $284 and $144 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 24 - Wed, Dec 3
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$284 Roundtrip, found 7 hours ago
$284
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Birmingham Intl. to O'Hare Intl., returning Wed, Dec 3, priced at $284 found 7 hours ago
Mon, Dec 22 - Wed, Jan 7
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$288 Roundtrip, found 7 hours ago
$288
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Dec 22 from Birmingham Intl. to O'Hare Intl., returning Wed, Jan 7, priced at $288 found 7 hours ago
Mon, Nov 24 - Wed, Dec 3
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$293 Roundtrip, found 7 hours ago
$293
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Birmingham Intl. to O'Hare Intl., returning Wed, Dec 3, priced at $293 found 7 hours ago
Tue, Dec 23 - Thu, Dec 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$298 Roundtrip, found 7 hours ago
$298
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $298 found 7 hours ago
Tue, Dec 23 - Thu, Dec 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$301 Roundtrip, found 7 hours ago
$301
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $301 found 7 hours ago
Wed, Oct 22 - Tue, Oct 28
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$302 Roundtrip, found 7 hours ago
$302
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Birmingham Intl. to O'Hare Intl., returning Tue, Oct 28, priced at $302 found 7 hours ago
Thu, Oct 23 - Sat, Oct 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$303 Roundtrip, found 7 hours ago
$303
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Oct 23 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $303 found 7 hours ago
Tue, Dec 23 - Thu, Dec 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$308 Roundtrip, found 7 hours ago
$308
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $308 found 7 hours ago
Sat, Dec 6 - Tue, Dec 9
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 6 from Birmingham Intl. to O'Hare Intl., returning Tue, Dec 9, priced at $308 found 2 days ago
Tue, Dec 23 - Thu, Dec 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$311 Roundtrip, found 7 hours ago
$311
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $311 found 7 hours ago

Frequently asked questions

What route does flight number AA3664 take?
AA3664 takes multiple routes. The most frequently flown is John Glenn Columbus Intl. Airport (CMH) to ORD, which flies direct. This service takes about 1 hour and 35 minutes. That said, you might find other flights with the same number that have one or more stops.
What kind of plane is on flight number AA3664?
If you're on flight AA3664 from John Glenn Columbus Intl. Airport (CMH) to Chicago, IL Airport (ORD-O'Hare Intl.), there's a strong chance you'll be setting off on an Embraer 175. Flight AA3664 serves numerous routes, but this is the busiest.
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 AA3664 flight with Travelocity, please visit our Customer Service Portal.