American Airlines Flight AA3721 Deals & Information (2025/2026)

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American Airlines Flight 3721 Route Deals From $208

The cheapest prices found with in the last 7 days for return flights were $179 and $208 for one-way flights to Quad City Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 5 - Sun, Sep 7
ORD
O'Hare Intl.
MLI
Quad City Intl.
$179 Roundtrip, found 19 hours ago
$179
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Quad City Intl., returning Sun, Sep 7, priced at $179 found 19 hours ago
Fri, Sep 5 - Sun, Sep 7
ORD
O'Hare Intl.
MLI
Quad City Intl.
$239 Roundtrip, found 19 hours ago
$239
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Quad City Intl., returning Sun, Sep 7, priced at $239 found 19 hours ago
Tue, Aug 5 - Tue, Aug 12
ORD
O'Hare Intl.
MLI
Quad City Intl.
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 5 from O'Hare Intl. to Quad City Intl., returning Tue, Aug 12, priced at $244 found 3 days ago
Sat, Jun 28 - Wed, Jul 2
ORD
O'Hare Intl.
MLI
Quad City Intl.
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jun 28 from O'Hare Intl. to Quad City Intl., returning Wed, Jul 2, priced at $256 found 5 days ago
Thu, Jun 26 - Sun, Jul 6
ORD
O'Hare Intl.
MLI
Quad City Intl.
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jun 26 from O'Hare Intl. to Quad City Intl., returning Sun, Jul 6, priced at $261 found 5 days ago
Thu, Jun 26 - Wed, Jul 2
ORD
O'Hare Intl.
MLI
Quad City Intl.
$266 Roundtrip, found 5 days ago
$266
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jun 26 from O'Hare Intl. to Quad City Intl., returning Wed, Jul 2, priced at $266 found 5 days ago
Fri, Sep 5 - Sun, Sep 7
ORD
O'Hare Intl.
MLI
Quad City Intl.
$289 Roundtrip, found 19 hours ago
$289
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Quad City Intl., returning Sun, Sep 7, priced at $289 found 19 hours ago
Tue, Jun 24 - Thu, Jul 3
ORD
O'Hare Intl.
MLI
Quad City Intl.
$309 Roundtrip, found 9 hours ago
$309
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Jun 24 from O'Hare Intl. to Quad City Intl., returning Thu, Jul 3, priced at $309 found 9 hours ago

Frequently asked questions

What route does flight number AA3721 take?
Flight number AA3721 takes roughly 3 hours and 59 minutes to fly non-stop from DFW to YYC Calgary International Airport. We all know there's magic in the destination, but half the fun is in the journey!
What kind of plane is on flight number AA3721?
There's a good chance you'll be jumping on board an Embraer 175 if you're on flight number AA3721. This flight usually takes off from DFW and lands at Calgary, AB Airport (YYC-Calgary Intl.).
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 AA3721 flight with Travelocity, please visit our Customer Service Portal.