Delta Flight 866 Deals & Information (2026/2027)

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Delta Flight 866 Route Deals From $139

The cheapest prices found with in the last 7 days for return flights were $220 and $139 for one-way flights to Miami Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 3 - Tue, Oct 6
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$220 Roundtrip, found 2 hours ago
$220
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Oct 3 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Oct 6, priced at $220 found 2 hours ago
Wed, Sep 30 - Tue, Oct 6
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$246 Roundtrip, found 2 hours ago
$246
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Sep 30 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Oct 6, priced at $246 found 2 hours ago
Wed, Sep 30 - Tue, Oct 6
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$256 Roundtrip, found 2 hours ago
$256
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Sep 30 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Oct 6, priced at $256 found 2 hours ago
Wed, Nov 18 - Fri, Nov 27
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Nov 18 from Detroit Metropolitan Wayne County to Miami Intl., returning Fri, Nov 27, priced at $263 found 1 hour ago
Wed, Sep 30 - Tue, Oct 6
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$267 Roundtrip, found 2 hours ago
$267
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Sep 30 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Oct 6, priced at $267 found 2 hours ago

Frequently asked questions

What route does flight number DL866 take?
Flight number DL866 takes roughly 1 hour and 39 minutes to jet straight from PHL to Metro Airport. Sure, there's magic in the destination, but getting there is half the fun!
What terminal does DL866 fly out of?
You'll likely be hopping on the plane at Terminal D if you're traveling on DL866 direct from Philadelphia Intl. Airport (PHL) to Detroit, MI Airport (DTW-Detroit Metropolitan Wayne County).
What kind of plane is on flight number DL866?
Chances are you'll find yourself boarding the Boeing 737-900 if you're booked on flight number DL866. This flight almost always sets off from Philadelphia Airport and comes in to land at Detroit, MI Airport (DTW-Detroit Metropolitan Wayne County).
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 DL866 flight with Travelocity, please visit our Customer Service Portal.