American Airlines Flight AA3866 Deals & Information (2025/2026)

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American Airlines Flight 3866 Route Deals From $235

The cheapest prices found with in the last 7 days for return flights were $431 and $235 for one-way flights to Hilton Head Island for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 20 - Wed, Sep 24
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$431 Roundtrip, found 1 day ago
$431
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Sep 20 from Charlotte-Douglas Intl. to Hilton Head Island, returning Wed, Sep 24, priced at $431 found 1 day ago
Sat, Aug 23 - Sat, Aug 30
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$435 Roundtrip, found 3 days ago
$435
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 23 from Charlotte-Douglas Intl. to Hilton Head Island, returning Sat, Aug 30, priced at $435 found 3 days ago
Tue, Jul 22 - Sat, Aug 2
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 22 from Charlotte-Douglas Intl. to Hilton Head Island, returning Sat, Aug 2, priced at $440 found 1 day ago
Fri, Jul 4 - Tue, Jul 22
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$442 Roundtrip, found 1 day ago
$442
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jul 4 from Charlotte-Douglas Intl. to Hilton Head Island, returning Tue, Jul 22, priced at $442 found 1 day ago
Tue, Jul 29 - Sat, Aug 9
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$444 Roundtrip, found 1 day ago
$444
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 29 from Charlotte-Douglas Intl. to Hilton Head Island, returning Sat, Aug 9, priced at $444 found 1 day ago
Tue, Jul 8 - Tue, Jul 15
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$448 Roundtrip, found 20 hours ago
$448
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Tue, Jul 8 from Charlotte-Douglas Intl. to Hilton Head Island, returning Tue, Jul 15, priced at $448 found 20 hours ago
Sat, Aug 23 - Sat, Aug 30
CLT
Charlotte-Douglas Intl.
HHH
Hilton Head Island
$453 Roundtrip, found 3 days ago
$453
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 23 from Charlotte-Douglas Intl. to Hilton Head Island, returning Sat, Aug 30, priced at $453 found 3 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.