Delta Flight 866 Deals & Information (2026/2027)

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Delta Flight 866 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $199 and $149 for one-way flights to Miami Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 3 - Tue, Jun 9
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 3 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Jun 9, priced at $199 found 1 hour ago
Wed, Jun 3 - Tue, Jun 9
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 3 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Jun 9, priced at $209 found 1 hour ago
Tue, Jun 9 - Wed, Jun 17
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 9 from Detroit Metropolitan Wayne County to Miami Intl., returning Wed, Jun 17, priced at $214 found 1 day ago
Wed, Oct 7 - Mon, Oct 12
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$219 Roundtrip, found 8 hours ago
$219
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Oct 7 from Detroit Metropolitan Wayne County to Miami Intl., returning Mon, Oct 12, priced at $219 found 8 hours ago
Tue, Jun 9 - Wed, Jun 17
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 9 from Detroit Metropolitan Wayne County to Miami Intl., returning Wed, Jun 17, priced at $224 found 1 day ago
Wed, Sep 16 - Mon, Sep 21
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 16 from Detroit Metropolitan Wayne County to Miami Intl., returning Mon, Sep 21, priced at $229 found 1 hour ago
Fri, Jun 5 - Tue, Jun 9
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$234 Roundtrip, found 11 hours ago
$234
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Jun 5 from Detroit Metropolitan Wayne County to Miami Intl., returning Tue, Jun 9, priced at $234 found 11 hours ago
Wed, Sep 16 - Mon, Sep 21
DTW
Detroit Metropolitan Wayne County
MIA
Miami Intl.
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 16 from Detroit Metropolitan Wayne County to Miami Intl., returning Mon, Sep 21, priced at $249 found 1 hour 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.