American Airlines Flight AA3521 Deals & Information (2025/2026)

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American Airlines Flight 3521 Route Deals From $349

The cheapest prices found with in the last 7 days for return flights were $473 and $349 for one-way flights to Dallas-Fort Worth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 18 - Sat, Jul 19
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$473 Roundtrip, found 4 hours ago
$473
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jul 19, priced at $473 found 4 hours ago
Fri, Oct 17 - Mon, Oct 20
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$483 Roundtrip, found 3 days ago
$483
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 17 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Oct 20, priced at $483 found 3 days ago
Fri, Jul 18 - Sat, Jul 19
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$501 Roundtrip, found 4 hours ago
$501
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jul 19, priced at $501 found 4 hours ago
Fri, Jul 18 - Sat, Jul 19
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$516 Roundtrip, found 4 hours ago
$516
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jul 19, priced at $516 found 4 hours ago
Tue, Jul 15 - Tue, Jul 22
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$539 Roundtrip, found 4 hours ago
$539
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Jul 15 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Jul 22, priced at $539 found 4 hours ago
Fri, Jul 18 - Sat, Jul 19
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$545 Roundtrip, found 4 hours ago
$545
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jul 19, priced at $545 found 4 hours ago
Sat, Jun 21 - Tue, Jul 1
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$548 Roundtrip, found 5 hours ago
$548
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Jun 21 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Jul 1, priced at $548 found 5 hours ago
Sat, Jul 12 - Tue, Jul 15
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$550 Roundtrip, found 4 hours ago
$550
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Jul 12 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Jul 15, priced at $550 found 4 hours ago
Tue, Jul 15 - Mon, Jul 21
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$551 Roundtrip, found 4 hours ago
$551
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Jul 15 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Jul 21, priced at $551 found 4 hours ago
Sat, Jul 12 - Mon, Jul 21
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$553 Roundtrip, found 4 hours ago
$553
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Jul 12 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Jul 21, priced at $553 found 4 hours ago
Fri, Jul 18 - Sat, Jul 19
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$559 Roundtrip, found 4 hours ago
$559
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jul 19, priced at $559 found 4 hours ago
Fri, Jul 18 - Sat, Jul 19
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$563 Roundtrip, found 4 hours ago
$563
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jul 19, priced at $563 found 4 hours ago
Thu, Jul 17 - Sun, Jul 20
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$565 Roundtrip, found 4 hours ago
$565
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Jul 17 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sun, Jul 20, priced at $565 found 4 hours ago

Frequently asked questions

What route does flight number AA3521 take?
AA3521 is used on multiple routes, but the most common is between General Mariano Escobedo Intl. Airport (MTY) and Dallas-Fort Worth Intl. Airport (DFW). If you manage to score a direct flight, you’ll arrive in about 1 hour and 44 minutes. Multi-stop flights can also use the same number, as can services on other routes.
How often is AA3521 on time?
American Airlines flight number AA3521 has multiple routes, but the most quickly booked is from Monterrey, Nuevo Leon Airport (MTY-General Mariano Escobedo Intl.) to Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.) and lands according to schedule 76% of the time. If there is a delay, you can expect to wait for 24 minutes. This service has a 1.85-star rating.
What terminal does AA3521 fly out of?
If you’re heading off from Monterrey, Nuevo Leon Airport (MTY-General Mariano Escobedo Intl.), there’s a fair chance you’ll board the plane from Terminal A. The most frequented route for AA3521 is Monterrey Intl. Airport to DFW, which is a nonstop flight.
What kind of plane is on flight number AA3521?
It’s highly likely you’ll travel aboard an Embraer 175 if you’ve booked a seat on flight AA3521 from Monterrey Intl. Airport to Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.). It’s the most commonly used type of plane on this popular route.
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 AA3521 flight with Travelocity, please visit our Customer Service Portal.