American Airlines Flight UA3623 Deals & Information (2025/2026)

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American Airlines Flight 3623 Route Deals From $92

The cheapest prices found with in the last 7 days for return flights were $226 and $92 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 5 - Tue, Sep 9
PWM
Portland Intl. Jetport
ORD
O'Hare Intl.
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep 5 from Portland Intl. Jetport to O'Hare Intl., returning Tue, Sep 9, priced at $226 found 4 days ago
Thu, Aug 7 - Tue, Aug 12
PWM
Portland Intl. Jetport
ORD
O'Hare Intl.
$235 Roundtrip, found 13 hours ago
$235
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Portland Intl. Jetport to O'Hare Intl., returning Tue, Aug 12, priced at $235 found 13 hours ago
Tue, Aug 19 - Sun, Aug 24
PWM
Portland Intl. Jetport
ORD
O'Hare Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 19 from Portland Intl. Jetport to O'Hare Intl., returning Sun, Aug 24, priced at $242 found 1 day ago
Thu, Aug 7 - Tue, Aug 12
PWM
Portland Intl. Jetport
ORD
O'Hare Intl.
$246 Roundtrip, found 13 hours ago
$246
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Portland Intl. Jetport to O'Hare Intl., returning Tue, Aug 12, priced at $246 found 13 hours ago
Tue, Aug 19 - Sun, Aug 24
PWM
Portland Intl. Jetport
ORD
O'Hare Intl.
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 19 from Portland Intl. Jetport to O'Hare Intl., returning Sun, Aug 24, priced at $247 found 1 day 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.