American Airlines Flight 3721 Deals & Information (2025/2026)

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American Airlines Flight 3721 Route Deals From $116

The cheapest prices found with in the last 7 days for return flights were $231 and $116 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 6 - Tue, Aug 12
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Aug 6 from Tulsa Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $231 found 7 hours ago
Tue, May 27 - Fri, May 30
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, May 27 from Tulsa Intl. to O'Hare Intl., returning Fri, May 30, priced at $235 found 3 days ago
Tue, May 27 - Fri, May 30
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, May 27 from Tulsa Intl. to O'Hare Intl., returning Fri, May 30, priced at $235 found 3 days ago
Sat, Jun 7 - Wed, Jun 11
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$241 Roundtrip, found 5 days ago
$241
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jun 7 from Tulsa Intl. to O'Hare Intl., returning Wed, Jun 11, priced at $241 found 5 days ago
Thu, Jul 3 - Tue, Jul 8
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$243 Roundtrip, just found
$243
Roundtrip
just found
Select American Airlines flight, departing Thu, Jul 3 from Tulsa Intl. to O'Hare Intl., returning Tue, Jul 8, priced at $243 just found
Tue, May 27 - Fri, May 30
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, May 27 from Tulsa Intl. to O'Hare Intl., returning Fri, May 30, priced at $245 found 3 days ago
Sat, Jun 7 - Wed, Jun 11
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jun 7 from Tulsa Intl. to O'Hare Intl., returning Wed, Jun 11, priced at $251 found 5 days ago
Thu, Jul 3 - Tue, Jul 8
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$253 Roundtrip, just found
$253
Roundtrip
just found
Select American Airlines flight, departing Thu, Jul 3 from Tulsa Intl. to O'Hare Intl., returning Tue, Jul 8, priced at $253 just found
Thu, Jul 3 - Tue, Jul 8
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$262 Roundtrip, just found
$262
Roundtrip
just found
Select American Airlines flight, departing Thu, Jul 3 from Tulsa Intl. to O'Hare Intl., returning Tue, Jul 8, priced at $262 just found
Thu, Jul 3 - Tue, Jul 8
TUL
Tulsa Intl.
ORD
O'Hare Intl.
$264 Roundtrip, just found
$264
Roundtrip
just found
Select American Airlines flight, departing Thu, Jul 3 from Tulsa Intl. to O'Hare Intl., returning Tue, Jul 8, priced at $264 just found

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.