American Airlines Flight 3664 Deals & Information (2025/2026)

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American Airlines Flight 3664 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $308 and $149 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

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.
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 23 from Birmingham Intl. to O'Hare Intl., returning Thu, Dec 25, priced at $312 found 2 days ago
Thu, Oct 23 - Sat, Oct 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 23 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $313 found 2 days ago
Sat, Oct 11 - Tue, Oct 14
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$317 Roundtrip, found 5 days ago
$317
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 11 from Birmingham Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $317 found 5 days ago
Thu, Oct 23 - Sat, Oct 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$322 Roundtrip, found 2 days ago
$322
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 23 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $322 found 2 days ago
Thu, Oct 16 - Sat, Oct 18
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 16 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $324 found 2 days ago
Thu, Oct 23 - Sat, Oct 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$325 Roundtrip, found 2 days ago
$325
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 23 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $325 found 2 days ago
Thu, Oct 23 - Sat, Oct 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$326 Roundtrip, found 2 days ago
$326
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 23 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $326 found 2 days ago
Thu, Feb 12 - Mon, Feb 16
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$333 Roundtrip, found 23 hours ago
$333
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Thu, Feb 12 from Birmingham Intl. to O'Hare Intl., returning Mon, Feb 16, priced at $333 found 23 hours ago
Thu, Oct 16 - Sat, Oct 18
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 16 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $334 found 2 days 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.