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

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American Airlines Flight 3664 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $135 and $60 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 26 - Wed, Oct 29
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$135 Roundtrip, found 1 hour ago
$135
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Oct 26 from Birmingham Intl. to O'Hare Intl., returning Wed, Oct 29, priced at $135 found 1 hour ago
Thu, Feb 26 - Mon, Mar 2
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$149 Roundtrip, found 22 hours ago
$149
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Birmingham Intl. to O'Hare Intl., returning Mon, Mar 2, priced at $149 found 22 hours ago
Sun, Oct 26 - Wed, Oct 29
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$175 Roundtrip, found 1 hour ago
$175
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Oct 26 from Birmingham Intl. to O'Hare Intl., returning Wed, Oct 29, priced at $175 found 1 hour ago
Sat, Oct 18 - Sat, Oct 25
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 18 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $190 found 1 day ago
Fri, Oct 3 - Sat, Oct 4
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$197 Roundtrip, found 19 hours ago
$197
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 4, priced at $197 found 19 hours ago
Tue, Oct 21 - Thu, Oct 23
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 21 from Birmingham Intl. to O'Hare Intl., returning Thu, Oct 23, priced at $205 found 1 day ago
Fri, Oct 3 - Sat, Oct 4
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$207 Roundtrip, found 19 hours ago
$207
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Birmingham Intl. to O'Hare Intl., returning Sat, Oct 4, priced at $207 found 19 hours ago
Thu, Feb 26 - Mon, Mar 2
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$210 Roundtrip, found 22 hours ago
$210
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Birmingham Intl. to O'Hare Intl., returning Mon, Mar 2, priced at $210 found 22 hours ago
Fri, Oct 24 - Sun, Oct 26
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 24 from Birmingham Intl. to O'Hare Intl., returning Sun, Oct 26, priced at $214 found 1 day ago
Thu, Feb 26 - Mon, Mar 2
BHM
Birmingham Intl.
ORD
O'Hare Intl.
$219 Roundtrip, found 22 hours ago
$219
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Birmingham Intl. to O'Hare Intl., returning Mon, Mar 2, priced at $219 found 22 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.