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

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American Airlines Flight 3521 Route Deals From $383

The cheapest prices found with in the last 7 days for return flights were $375 and $383 for one-way flights to Dallas-Fort Worth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 24 - Tue, Sep 30
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$375 Roundtrip, found 17 hours ago
$375
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Sep 30, priced at $375 found 17 hours ago
Wed, Sep 24 - Tue, Sep 30
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$395 Roundtrip, found 17 hours ago
$395
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Sep 30, priced at $395 found 17 hours ago
Tue, Sep 30 - Fri, Oct 3
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$396 Roundtrip, found 19 hours ago
$396
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Sep 30 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Fri, Oct 3, priced at $396 found 19 hours ago
Thu, Oct 2 - Mon, Oct 6
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$419 Roundtrip, found 4 days ago
$419
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 2 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Oct 6, priced at $419 found 4 days ago
Thu, Oct 2 - Mon, Oct 6
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$425 Roundtrip, found 4 days ago
$425
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 2 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Oct 6, priced at $425 found 4 days ago
Thu, Oct 2 - Mon, Oct 6
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$426 Roundtrip, found 4 days ago
$426
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 2 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Oct 6, priced at $426 found 4 days ago
Wed, Sep 24 - Tue, Sep 30
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$429 Roundtrip, found 17 hours ago
$429
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Sep 30, priced at $429 found 17 hours ago
Thu, Oct 2 - Mon, Oct 6
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$439 Roundtrip, found 4 days ago
$439
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 2 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Oct 6, priced at $439 found 4 days ago
Tue, Aug 5 - Fri, Aug 8
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$443 Roundtrip, found 21 hours ago
$443
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Fri, Aug 8, priced at $443 found 21 hours ago
Wed, Sep 24 - Tue, Sep 30
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$449 Roundtrip, found 17 hours ago
$449
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Sep 30, priced at $449 found 17 hours ago
Tue, Sep 30 - Fri, Oct 3
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$450 Roundtrip, found 19 hours ago
$450
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Sep 30 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Fri, Oct 3, priced at $450 found 19 hours ago
Wed, Sep 24 - Tue, Sep 30
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$453 Roundtrip, found 17 hours ago
$453
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Tue, Sep 30, priced at $453 found 17 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.