Flights from Miami to Niwot

Cheapest flights from Miami

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 6 - Sat, Sep 20

MIA

Miami Intl.

DEN

Denver Intl.

$122 Roundtrip, found 17 hours ago

$122

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Sep 6 from Miami Intl. to Denver Intl., returning Sat, Sep 20, priced at $122 found 17 hours ago

Sat, Aug 16 - Sun, Aug 24

MIA

Miami Intl.

DEN

Denver Intl.

$127 Roundtrip, found 5 days ago

$127

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Aug 16 from Miami Intl. to Denver Intl., returning Sun, Aug 24, priced at $127 found 5 days ago

Wed, Aug 13 - Sat, Aug 23

MIA

Miami Intl.

DEN

Denver Intl.

$129 Roundtrip, found 6 days ago

$129

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Aug 13 from Miami Intl. to Denver Intl., returning Sat, Aug 23, priced at $129 found 6 days ago

Sat, Aug 23 - Sat, Sep 6

MIA

Miami Intl.

DEN

Denver Intl.

$132 Roundtrip, found 17 hours ago

$132

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Aug 23 from Miami Intl. to Denver Intl., returning Sat, Sep 6, priced at $132 found 17 hours ago

Fri, Sep 5 - Sat, Sep 20

MIA

Miami Intl.

DEN

Denver Intl.

$134 Roundtrip, found 17 hours ago

$134

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Sep 5 from Miami Intl. to Denver Intl., returning Sat, Sep 20, priced at $134 found 17 hours ago

Fri, Aug 22 - Sat, Sep 6

MIA

Miami Intl.

DEN

Denver Intl.

$141 Roundtrip, found 17 hours ago

$141

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Aug 22 from Miami Intl. to Denver Intl., returning Sat, Sep 6, priced at $141 found 17 hours ago

Sat, Aug 16 - Thu, Sep 4

MIA

Miami Intl.

DEN

Denver Intl.

$144 Roundtrip, found 17 hours ago

$144

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Aug 16 from Miami Intl. to Denver Intl., returning Thu, Sep 4, priced at $144 found 17 hours ago

Fri, Sep 5 - Sun, Sep 21

MIA

Miami Intl.

DEN

Denver Intl.

$146 Roundtrip, found 17 hours ago

$146

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Sep 5 from Miami Intl. to Denver Intl., returning Sun, Sep 21, priced at $146 found 17 hours ago

Sat, Sep 20 - Sun, Oct 5

MIA

Miami Intl.

DEN

Denver Intl.

$152 Roundtrip, found 17 hours ago

$152

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Sep 20 from Miami Intl. to Denver Intl., returning Sun, Oct 5, priced at $152 found 17 hours ago

Thu, Aug 21 - Thu, Sep 4

MIA

Miami Intl.

DEN

Denver Intl.

$153 Roundtrip, found 17 hours ago

$153

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Thu, Aug 21 from Miami Intl. to Denver Intl., returning Thu, Sep 4, priced at $153 found 17 hours ago

Mon, Aug 11 - Thu, Aug 21

MIA

Miami Intl.

DEN

Denver Intl.

$158 Roundtrip, found 6 days ago

$158

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Miami Intl. to Denver Intl., returning Thu, Aug 21, priced at $158 found 6 days ago

Tue, Aug 12 - Sat, Aug 23

MIA

Miami Intl.

DEN

Denver Intl.

$160 Roundtrip, found 17 hours ago

$160

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Miami Intl. to Denver Intl., returning Sat, Aug 23, priced at $160 found 17 hours ago

Tue, Aug 12 - Mon, Aug 25

MIA

Miami Intl.

DEN

Denver Intl.

$162 Roundtrip, found 17 hours ago

$162

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Miami Intl. to Denver Intl., returning Mon, Aug 25, priced at $162 found 17 hours ago

Fri, Sep 19 - Sun, Oct 5

MIA

Miami Intl.

DEN

Denver Intl.

$164 Roundtrip, found 17 hours ago

$164

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Miami Intl. to Denver Intl., returning Sun, Oct 5, priced at $164 found 17 hours ago

Thu, Aug 7 - Tue, Aug 12

MIA

Miami Intl.

DEN

Denver Intl.

$167 Roundtrip, found 5 days ago

$167

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Miami Intl. to Denver Intl., returning Tue, Aug 12, priced at $167 found 5 days ago

Wed, Aug 13 - Thu, Aug 21

MIA

Miami Intl.

DEN

Denver Intl.

$186 Roundtrip, found 6 days ago

$186

Roundtrip

found 6 days ago

Select United flight, departing Wed, Aug 13 from Miami Intl. to Denver Intl., returning Thu, Aug 21, priced at $186 found 6 days ago

Sat, Aug 16 - Sun, Aug 24

MIA

Miami Intl.

DEN

Denver Intl.

$191 Roundtrip, found 5 days ago

$191

Roundtrip

found 5 days ago

Select American Airlines flight, departing Sat, Aug 16 from Miami Intl. to Denver Intl., returning Sun, Aug 24, priced at $191 found 5 days ago

Sat, Sep 6 - Tue, Sep 23

MIA

Miami Intl.

DEN

Denver Intl.

$237 Roundtrip, found 17 hours ago

$237

Roundtrip

found 17 hours ago

Select Delta flight, departing Sat, Sep 6 from Miami Intl. to Denver Intl., returning Tue, Sep 23, priced at $237 found 17 hours ago

Fri, Sep 5 - Sun, Sep 14

FLL

Fort Lauderdale - Hollywood Intl.

DEN

Denver Intl.

$239 Roundtrip, found 6 days ago

$239

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Fri, Sep 5 from Fort Lauderdale - Hollywood Intl. to Denver Intl., returning Sun, Sep 14, priced at $239 found 6 days ago

Wed, Apr 1 - Mon, Apr 6

FLL

Fort Lauderdale - Hollywood Intl.

DEN

Denver Intl.

$649 Roundtrip, found 21 hours ago

$649

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Wed, Apr 1 from Fort Lauderdale - Hollywood Intl. to Denver Intl., returning Mon, Apr 6, priced at $649 found 21 hours ago