American Airlines Flight AA3623 Deals & Information (2025/2026)

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American Airlines Flight 3623 Route Deals From $318

The cheapest prices found with in the last 7 days for return flights were $389 and $318 for one-way flights to Abraham Lincoln Capital for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 29 - Sat, Nov 15
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$389 Roundtrip, found 3 days ago
$389
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Nov 15, priced at $389 found 3 days ago
Tue, Oct 14 - Sat, Oct 18
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$397 Roundtrip, found 19 hours ago
$397
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Oct 14 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Oct 18, priced at $397 found 19 hours ago
Mon, Nov 24 - Sat, Dec 6
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 24 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Dec 6, priced at $399 found 3 days ago
Fri, Oct 31 - Sat, Nov 15
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$408 Roundtrip, found 3 days ago
$408
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 31 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Nov 15, priced at $408 found 3 days ago
Thu, Jun 4 - Mon, Jun 8
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$417 Roundtrip, found 23 hours ago
$417
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Thu, Jun 4 from O'Hare Intl. to Abraham Lincoln Capital, returning Mon, Jun 8, priced at $417 found 23 hours ago
Wed, Sep 24 - Sat, Oct 11
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$423 Roundtrip, found 4 days ago
$423
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 24 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Oct 11, priced at $423 found 4 days ago
Fri, Oct 17 - Sun, Oct 19
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$426 Roundtrip, found 19 hours ago
$426
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Oct 17 from O'Hare Intl. to Abraham Lincoln Capital, returning Sun, Oct 19, priced at $426 found 19 hours ago
Wed, Oct 1 - Sat, Oct 18
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$432 Roundtrip, found 3 days ago
$432
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 1 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Oct 18, priced at $432 found 3 days ago
Wed, Oct 29 - Sun, Nov 16
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$433 Roundtrip, found 3 days ago
$433
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Sun, Nov 16, priced at $433 found 3 days ago
Mon, Sep 29 - Sat, Oct 11
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$436 Roundtrip, found 4 days ago
$436
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Abraham Lincoln Capital, returning Sat, Oct 11, priced at $436 found 4 days ago
Tue, Oct 14 - Sun, Oct 19
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$442 Roundtrip, found 19 hours ago
$442
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Oct 14 from O'Hare Intl. to Abraham Lincoln Capital, returning Sun, Oct 19, priced at $442 found 19 hours ago
Mon, Nov 24 - Sun, Dec 7
ORD
O'Hare Intl.
SPI
Abraham Lincoln Capital
$443 Roundtrip, found 3 days ago
$443
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 24 from O'Hare Intl. to Abraham Lincoln Capital, returning Sun, Dec 7, priced at $443 found 3 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.