Cheap flights from Denver to Duck Key

View AU$112 flight on Fri, 5 Sep. 2025Opens in a new window

Popular airlines from Denver to Duck Key

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Cheap Flights from Denver (DEN) to Duck Key (MIA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 13 Aug. - Sat, 16 Aug.
DEN
Denver
MIA
Miami
AU$204 Return, found 21 hours ago
AU$204
Return
found 21 hours ago
Select American Airlines flight, departing Wed, 13 Aug. from Denver to Miami, returning Sat, 16 Aug., priced at AU$204 found 21 hours ago
American Airlines
Fri, 5 Sep. - Sat, 6 Sep.
DEN
Denver
MIA
Miami
AU$213 Return, found 15 hours ago
AU$213
Return
found 15 hours ago
Select American Airlines flight, departing Fri, 5 Sep. from Denver to Miami, returning Sat, 6 Sep., priced at AU$213 found 15 hours ago
United
Mon, 27 Oct. - Tue, 11 Nov.
DEN
Denver
MIA
Miami
AU$327 Return, found 3 hours ago
AU$327
Return
found 3 hours ago
Select United flight, departing Mon, 27 Oct. from Denver to Miami, returning Tue, 11 Nov., priced at AU$327 found 3 hours ago
Delta
Fri, 5 Sep. - Sat, 6 Sep.
DEN
Denver
MIA
Miami
AU$354 Return, found 15 hours ago
AU$354
Return
found 15 hours ago
Select Delta flight, departing Fri, 5 Sep. from Denver to Miami, returning Sat, 6 Sep., priced at AU$354 found 15 hours ago
Hawaiian Airlines
Tue, 30 Sep. - Sun, 19 Oct.
DEN
Denver
MIA
Miami
AU$652 Return, found 3 hours ago
AU$652
Return
found 3 hours ago
Select Hawaiian Airlines flight, departing Tue, 30 Sep. from Denver to Miami, returning Sun, 19 Oct., priced at AU$652 found 3 hours ago
Alaska Airlines
Wed, 1 Oct. - Sun, 19 Oct.
DEN
Denver
MIA
Miami
AU$683 Return, found 3 hours ago
AU$683
Return
found 3 hours ago
Select Alaska Airlines flight, departing Wed, 1 Oct. from Denver to Miami, returning Sun, 19 Oct., priced at AU$683 found 3 hours ago

Find the cheapest month to fly from Denver (DEN) to Miami (MIA)

September is typically the cheapest month to fly

From AU$105 - AU$242 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.