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

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American Airlines Flight 3664 Route Deals From $120

The cheapest prices found with in the last 7 days for return flights were $255 and $120 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Thu, Nov 20
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$255 Roundtrip, found 2 hours ago
$255
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Birmingham Intl. to O'Hare Intl., returning Thu, Nov 20, priced at $255 found 2 hours ago
Tue, Nov 18 - Thu, Nov 20
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$264 Roundtrip, found 2 hours ago
$264
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Birmingham Intl. to O'Hare Intl., returning Thu, Nov 20, priced at $264 found 2 hours ago
Tue, Nov 18 - Thu, Nov 20
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$282 Roundtrip, found 2 hours ago
$282
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Birmingham Intl. to O'Hare Intl., returning Thu, Nov 20, priced at $282 found 2 hours ago
Mon, Nov 24 - Wed, Dec 3
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 24 from Birmingham Intl. to O'Hare Intl., returning Wed, Dec 3, priced at $284 found 1 day ago
Mon, Dec 22 - Wed, Jan 7
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Birmingham Intl. to O'Hare Intl., returning Wed, Jan 7, priced at $288 found 1 day ago
Tue, Nov 18 - Thu, Nov 20
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$291 Roundtrip, found 2 hours ago
$291
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Birmingham Intl. to O'Hare Intl., returning Thu, Nov 20, priced at $291 found 2 hours ago
Mon, Nov 24 - Wed, Dec 3
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 24 from Birmingham Intl. to O'Hare Intl., returning Wed, Dec 3, priced at $293 found 1 day ago
Tue, Dec 23 - Thu, Dec 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $298 found 1 day ago
Tue, Dec 23 - Thu, Dec 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $301 found 1 day ago
Wed, Oct 22 - Tue, Oct 28
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 22 from Birmingham Intl. to O'Hare Intl., returning Tue, Oct 28, priced at $302 found 1 day 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.