Cheap flights from Denver to Florida Keys

View AU$150 flight on Thu, 4 Dec. 2025Opens in a new window

Popular airlines from Denver to Florida Keys

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • JetBlue Airways

    JetBlue Airways

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Cheap Flights from Denver (DEN) to Florida Keys (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, 10 Sep. - Wed, 17 Sep.
DEN
Denver
MIA
Miami
AU$242 Return, found 6 days ago
AU$242
Return
found 6 days ago
Select American Airlines flight, departing Wed, 10 Sep. from Denver to Miami, returning Wed, 17 Sep., priced at AU$242 found 6 days ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
DEN
Denver
MIA
Miami
AU$267 Return, found 4 days ago
AU$267
Return
found 4 days ago
Select American Airlines flight, departing Sat, 23 Aug. from Denver to Miami, returning Sat, 30 Aug., priced at AU$267 found 4 days ago
American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
DEN
Denver
MIA
Miami
AU$294 Return, found 6 days ago
AU$294
Return
found 6 days ago
Select American Airlines flight, departing Wed, 10 Sep. from Denver to Miami, returning Wed, 17 Sep., priced at AU$294 found 6 days ago
American Airlines
Sun, 14 Sep. - Sun, 21 Sep.
DEN
Denver
MIA
Miami
AU$300 Return, found 1 day ago
AU$300
Return
found 1 day ago
Select American Airlines flight, departing Sun, 14 Sep. from Denver to Miami, returning Sun, 21 Sep., priced at AU$300 found 1 day ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
DEN
Denver
MIA
Miami
AU$363 Return, found 4 days ago
AU$363
Return
found 4 days ago
Select Delta flight, departing Sat, 23 Aug. from Denver to Miami, returning Sat, 30 Aug., priced at AU$363 found 4 days ago
United
Sat, 23 Aug. - Sat, 30 Aug.
DEN
Denver
MIA
Miami
AU$388 Return, found 4 days ago
AU$388
Return
found 4 days ago
Select United flight, departing Sat, 23 Aug. from Denver to Miami, returning Sat, 30 Aug., priced at AU$388 found 4 days ago

Find the cheapest month to fly from Denver (DEN) to Key West (EYW)

May is typically the cheapest month to fly

From AU$334 - AU$765 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.