American Airlines Flight 3866 Deals & Information (2026/2027)

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American Airlines Flight 3866 Route Deals From $287

The cheapest prices found with in the last 7 days for return flights were $488 and $287 for one-way flights to Piedmont Triad Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 12 - Tue, Dec 15
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$488 Roundtrip, found 2 days ago
$488
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 12 from Miami Intl. to Piedmont Triad Intl., returning Tue, Dec 15, priced at $488 found 2 days ago
Sat, Dec 12 - Tue, Dec 15
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$498 Roundtrip, found 2 days ago
$498
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 12 from Miami Intl. to Piedmont Triad Intl., returning Tue, Dec 15, priced at $498 found 2 days ago
Sat, Dec 12 - Tue, Dec 15
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 12 from Miami Intl. to Piedmont Triad Intl., returning Tue, Dec 15, priced at $508 found 2 days ago
Fri, Dec 18 - Sat, Dec 19
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$521 Roundtrip, found 4 days ago
$521
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 18 from Miami Intl. to Piedmont Triad Intl., returning Sat, Dec 19, priced at $521 found 4 days ago
Sat, Dec 12 - Tue, Dec 15
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$556 Roundtrip, found 2 days ago
$556
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 12 from Miami Intl. to Piedmont Triad Intl., returning Tue, Dec 15, priced at $556 found 2 days ago
Fri, Dec 18 - Sat, Dec 19
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$560 Roundtrip, found 4 days ago
$560
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 18 from Miami Intl. to Piedmont Triad Intl., returning Sat, Dec 19, priced at $560 found 4 days ago
Sat, Dec 12 - Tue, Dec 15
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$561 Roundtrip, found 2 days ago
$561
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 12 from Miami Intl. to Piedmont Triad Intl., returning Tue, Dec 15, priced at $561 found 2 days ago
Fri, Dec 18 - Sat, Dec 19
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$570 Roundtrip, found 4 days ago
$570
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 18 from Miami Intl. to Piedmont Triad Intl., returning Sat, Dec 19, priced at $570 found 4 days ago
Sat, Dec 12 - Tue, Dec 15
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$584 Roundtrip, found 2 days ago
$584
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 12 from Miami Intl. to Piedmont Triad Intl., returning Tue, Dec 15, priced at $584 found 2 days ago
Fri, Dec 18 - Sat, Dec 19
MIA
Miami Intl.
GSO
Piedmont Triad Intl.
$588 Roundtrip, found 4 days ago
$588
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 18 from Miami Intl. to Piedmont Triad Intl., returning Sat, Dec 19, priced at $588 found 4 days ago

Frequently asked questions

What route does flight number AA3866 take?
AA3866 serves multiple routes, but the most common is between DFW and Killeen, TX Airport (GRK-Killeen-Fort Hood Regional). If you're lucky enough to score a direct flight, you'll arrive in 57 minutes. Multi-stop flights can also travel under this number, as can services on other routes.
What kind of plane is on flight number AA3866?
It's more than likely you'll be traveling aboard an Embraer 175 if you've booked a ticket on flight AA3866 from Dallas-Fort Worth Intl. Airport (DFW) to Killeen, TX Airport (GRK-Killeen-Fort Hood Regional). This is the most commonly used aircraft on this particular 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 AA3866 flight with Travelocity, please visit our Customer Service Portal.