American Airlines Flight 3623 Deals & Information (2025/2026)

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American Airlines Flight 3623 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $679 and for one-way flights to Abraham Lincoln Capital for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 29 - Thu, Oct 2
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$679 Roundtrip, found 6 days ago
$679
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Thu, Oct 2, priced at $679 found 6 days ago
Mon, Sep 29 - Thu, Oct 2
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$779 Roundtrip, found 6 days ago
$779
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Thu, Oct 2, priced at $779 found 6 days ago
Mon, Sep 29 - Thu, Oct 2
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$793 Roundtrip, found 6 days ago
$793
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Thu, Oct 2, priced at $793 found 6 days ago
Mon, Sep 29 - Thu, Oct 2
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$819 Roundtrip, found 6 days ago
$819
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Thu, Oct 2, priced at $819 found 6 days ago

Frequently asked questions

What route does flight number AA3623 take?
AA3623 is used on multiple routes, but the most common is between La Crosse Regional Airport and ORD. If your flight goes direct, you'll touch down in about 1 hour and 20 minutes. Multi-stop flights can also operate under the same number, as can flights on other routes.
What kind of plane is on flight number AA3623?
If you're on flight AA3623 from La Crosse, WI Airport (LSE-La Crosse Municipal) to O'Hare Airport, you'll likely be jetting off on an Embraer RJ145. Flight AA3623 serves more than one route, but this is the most popular one.
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 AA3623 flight with Travelocity, please visit our Customer Service Portal.