American Airlines Flight 3547 Deals & Information (2026/2027)

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American Airlines Flight 3547 Route Deals From $61

The cheapest prices found with in the last 7 days for return flights were $154 and $61 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 5 - Thu, May 7
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$154 Roundtrip, found 21 hours ago
$154
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, May 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, May 7, priced at $154 found 21 hours ago
Tue, May 5 - Thu, May 7
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$154 Roundtrip, found 21 hours ago
$154
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, May 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, May 7, priced at $154 found 21 hours ago
Tue, May 5 - Thu, May 7
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$189 Roundtrip, found 21 hours ago
$189
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, May 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, May 7, priced at $189 found 21 hours ago
Tue, May 5 - Thu, May 7
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$199 Roundtrip, found 21 hours ago
$199
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, May 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, May 7, priced at $199 found 21 hours ago
Mon, May 18 - Wed, May 20
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$204 Roundtrip, found 3 days ago
$204
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, May 18 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, May 20, priced at $204 found 3 days ago
Tue, May 5 - Thu, May 7
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$224 Roundtrip, found 21 hours ago
$224
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, May 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, May 7, priced at $224 found 21 hours ago
Sat, May 2 - Wed, May 13
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, May 13, priced at $226 found 4 days ago
Tue, May 5 - Thu, May 7
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$226 Roundtrip, found 21 hours ago
$226
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, May 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, May 7, priced at $226 found 21 hours ago
Mon, Apr 27 - Wed, Apr 29
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Apr 27 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Apr 29, priced at $230 found 2 days ago

Frequently asked questions

What route does flight number AA3547 take?
You'll be landing into Cincinnati - Northern Kentucky Intl. Airport (CVG) from O'Hare Airport if you've booked a ticket on flight number AA3547. You'll be airborne for 1 hour and 22 minutes on this trip. It's also worthwhile noting that the flight conveniently travels direct.
What terminal does AA3547 fly out of?
Direct flights between O'Hare Intl. Airport (ORD) and CVG are served by AA3547, and passengers traveling on this route normally leave from Terminal 3.
What kind of plane is on flight number AA3547?
Prepare to cruise aboard an Embraer 175 if your flight number is AA3547. Almost all services from ORD to CVG Airport use 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 AA3547 flight with Travelocity, please visit our Customer Service Portal.