American Airlines Flight 1543 Deals & Information (2026/2027)

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American Airlines Flight 1543 Route Deals From $159

The cheapest prices found with in the last 7 days for return flights were $307 and $159 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 30 - Tue, Oct 6
SAN
San Diego Intl.
ORD
O'Hare Intl.
$307 Roundtrip, found 20 hours ago
$307
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Wed, Sep 30 from San Diego Intl. to O'Hare Intl., returning Tue, Oct 6, priced at $307 found 20 hours ago

Frequently asked questions

What route does flight number AA1543 take?
Flight number AA1543 takes roughly 4 hours and 4 minutes to jet non-stop from San Diego, CA Airport (SAN-San Diego Intl.) to ORD. Sure, there's magic in the destination, but the journey is always half the fun!
What terminal does AA1543 fly out of?
AA1543 runs between San Diego Airport and ORD, and travelers with a seat on this flight normally take off from Terminal 2.
What kind of plane is on flight number AA1543?
Expect to step aboard a Boeing 737-800 if you have a seat on flight AA1543. Most flights from San Diego, CA Airport (SAN-San Diego Intl.) to Chicago, IL Airport (ORD-O'Hare Intl.) operate using this model of aircraft.
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 AA1543 flight with Travelocity, please visit our Customer Service Portal.