What is the cheapest airline that flies from Colorado to Florida Keys?

United Airlines, Frontier, and Southwest are the most popular carriers operating from Colorado to Florida Keys

How long is the flight from Colorado to Florida Keys?

On average, it takes 2h 16m to fly from Colorado to Florida Keys if you fly out of Aspen (the most popular airport in Colorado) and into Los Angeles (the most popular airport in Florida Keys). If you’re flying out of Montrose and into Los Angeles, then the flight time is around 2h 21m.

What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from Colorado according to our data. American Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How many flights depart from Colorado to Florida Keys on average per week?

The number of flights available between Colorado and Florida Keys is 73 per week as of November 2025. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.

When did momondo last update prices for flights from Colorado to Florida Keys?

Prices for flights from Colorado to Florida Keys were last updated today.

How many operators does momondo search for flights from Colorado to Florida Keys?

As of November 2025, there are 5 operators available to choose from for flights from Colorado to Florida Keys.

How old do you have to be to fly from Colorado to Florida Keys?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$58 Cheap Flights from Colorado to Florida Keys in 2025/26

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Cheap round-trip flights

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12:59 am - 10:48 amDEN-MIA

7h 49m1 stop

3:41 pm - 10:59 pmMIA-DEN

9h 18m1 stop

$131Frontier

Find Deal

Sun, Dec 7 - Fri, Dec 12

12:59 am - 11:12 amDEN-MIA

8h 13m1 stop

6:00 am - 8:43 amMIA-DEN

4h 43mnonstop

$132Multiple Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 9

4:47 pm - 12:51 amDEN-MIA

6h 04m1 stop

5:06 pm - 10:20 pmMIA-DEN

7h 14m1 stop

$133Frontier

Find Deal

Sun, Feb 1 - Thu, Feb 26

11:25 pm - 5:19 amDEN-MIA

3h 54mnonstop

2:10 pm - 10:12 amMIA-DEN

22h 02m2 stops

$147Multiple Airlines

Find Deal

Mon, Dec 8 - Tue, Dec 16

6:23 am - 6:01 pmDEN-EYW

9h 38m1 stop

2:40 pm - 8:28 pmEYW-DEN

7h 48m1 stop

$231American Airlines

Find Deal

Tue, Feb 10 - Wed, Feb 18

6:00 am - 7:10 pmDEN-EYW

11h 10m2 stops

1:36 pm - 8:20 pmEYW-DEN

8h 44m1 stop

$236American Airlines

Find Deal

Tue, Feb 10 - Wed, Feb 18

12:50 am - 11:43 amDEN-EYW

8h 53m1 stop

6:10 pm - 10:53 pmEYW-DEN

6h 43m1 stop

$237Delta

Find Deal

Mon, Dec 8 - Tue, Dec 16

5:58 am - 9:37 pmGJT-MIA

13h 39m2 stops

2:55 pm - 10:38 pmMIA-GJT

9h 43m2 stops

$259Delta

Find Deal

Wed, Jan 21 - Tue, Jan 27

1:42 pm - 9:59 pmASE-MIA

6h 17m1 stop

7:00 am - 2:01 pmMIA-ASE

9h 01m1 stop

$309United Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:00 am - 3:00 pmDEN-EYW

7h 00m1 stop

4:34 pm - 11:35 pmEYW-DEN

9h 01m1 stop

$314United Airlines

Find Deal

Tue, Feb 17 - Sat, Feb 21

Frontier flights from Colorado to Florida Keys

Our best Frontier deals on Colorado to Florida Keys flight tickets

Frontier

Dec 7

DEN12:59 amDenver Intl

7h 49m

1 stop

MIA10:48 amMiami

Dec 12

MIA3:41 pmMiami

9h 18m

1 stop

DEN10:59 pmDenver Intl

$131

Find similar

Frontier

Feb 1

DEN4:47 pmDenver Intl

6h 04m

1 stop

MIA12:51 amMiami

Feb 26

MIA5:06 pmMiami

7h 14m

1 stop

DEN10:20 pmDenver Intl

$133

Find similar

Frontier

Jan 23

DEN12:59 amDenver Intl

7h 59m

1 stop

MIA10:58 amMiami

Feb 1

MIA3:30 pmMiami

23h 46m

1 stop

DEN1:16 pmDenver Intl

$134

Find similar

United Airlines flights from Colorado to Florida Keys

Our best United Airlines deals on Colorado to Florida Keys flight tickets

United Airlines

Dec 5

ASE1:42 pmAspen Pitkin County

6h 17m

1 stop

MIA9:59 pmMiami

Dec 8

MIA7:00 amMiami

9h 01m

1 stop

ASE2:01 pmAspen Pitkin County

$309

Find similar

United Airlines

Feb 17

DEN6:00 amDenver Intl

7h 00m

1 stop

EYW3:00 pmKey West

Feb 21

EYW4:34 pmKey West

9h 01m

1 stop

DEN11:35 pmDenver Intl

$314

Find similar

United Airlines

Dec 5

ASE1:35 pmAspen Pitkin County

6h 08m

1 stop

MIA9:43 pmMiami

Dec 8

MIA7:00 amMiami

9h 26m

2 stops

ASE2:26 pmAspen Pitkin County

$334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Sun 12/7

12:59 am-10:48 am

1 stop7h 49m

Miami

Fri 12/12

3:41 pm-10:59 pm

1 stop9h 18m

$131

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Wed 12/3

12:59 am-11:12 am

1 stop8h 13m

Miami

Tue 12/9

6:00 am-8:43 am

Nonstop4h 43m

$132

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Sun 2/1

4:47 pm-12:51 am

1 stop6h 04m

Miami

Thu 2/26

5:06 pm-10:20 pm

1 stop7h 14m

$133

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mon 12/8

11:25 pm-5:19 am

Nonstop3h 54m

Miami

Tue 12/16

2:10 pm-10:12 am

2 stops22h 02m

$147

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 2/10

6:23 am-6:01 pm

1 stop9h 38m

Key West

Wed 2/18

2:40 pm-8:28 pm

1 stop7h 48m

$231

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 2/10

6:00 am-7:10 pm

2 stops11h 10m

Key West

Wed 2/18

1:36 pm-8:20 pm

1 stop8h 44m

$236

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Mon 12/8

12:50 am-11:43 am

1 stop8h 53m

Key West

Tue 12/16

6:10 pm-10:53 pm

1 stop6h 43m

$237

Grand JunctionMiami

GJT - MIA

GJTMIA

Grand Junction Regnl

Wed 1/21

5:58 am-9:37 pm

2 stops13h 39m

Miami

Tue 1/27

2:55 pm-10:38 pm

2 stops9h 43m

$259

AspenMiami

ASE - MIA

ASEMIA

Aspen Pitkin County

Fri 12/5

1:42 pm-9:59 pm

1 stop6h 17m

Miami

Mon 12/8

7:00 am-2:01 pm

1 stop9h 01m

$309

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 2/17

6:00 am-3:00 pm

1 stop7h 00m

Key West

Sat 2/21

4:34 pm-11:35 pm

1 stop9h 01m

$314

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How to get the cheapest flight ticket from Colorado to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Colorado averaging around $227.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Colorado to Florida Keys is on a Thursday when prices can be found for as low as $433. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $478.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from Colorado to Florida Keys in the afternoon for as low as $340. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $536.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Colorado for as low as $228 on momondo.

Can stopping save me money on Colorado to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Colorado to Florida Keys.

Cheap Colorado to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Florida Keys

Fastest flight time	3h 43m
Direct flights	Every day
Airports in Florida Keys	1 airport

The fastest flight from Colorado to Florida Keys takes 3h 43m

Direct flights go from Colorado to Florida Keys every day.

There is 1 airport near Florida Keys: Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Colorado to Florida Keys?
Prices for flights from Colorado to Florida Keys were last updated today.
How many operators does momondo search for flights from Colorado to Florida Keys?
As of November 2025, there are 5 operators available to choose from for flights from Colorado to Florida Keys.
How old do you have to be to fly from Colorado to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado to Florida Keys?
Based on momondo bookings for flights between Colorado and Florida Keys, the leading plane model is Airbus A321neo, making up 17.22% of the total bookings. Other popular models include Boeing 737 MAX 8 with 16.88%, Airbus A320neo with 10.41%, and Boeing 737-800 with 10.16%.

Best airlines flying from Colorado to Florida Keys

Compare and see reviews for airlines that fly from Colorado to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $230	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
United Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 9,012 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Florida Keys?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Florida Keys for you.

Can I find flights from Colorado to Florida Keys with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Florida Keys from Colorado with this policy.

How can momondo help me find flights from Colorado to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Florida Keys right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Florida Keys, momondo offers a useful price alert feature which will track prices for flights to Florida Keys from Colorado and alert you when they change.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Florida Keys

Flights to New Yorkfrom $44

Flights to Los Angelesfrom $51

Flights to Miamifrom $48

Flights to Chicagofrom $58

Flights to Orlandofrom $47

Flights to Las Vegasfrom $40

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $50

Flights to Bostonfrom $48

Flights to Atlantafrom $44

Flights to Dallasfrom $53

Flights to Seattlefrom $49

Cheap flights from Colorado to Florida Keys from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Florida Keys departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Colorado to Florida Keys

Our best Frontier deals on Colorado to Florida Keys flight tickets

United Airlines flights from Colorado to Florida Keys

Our best United Airlines deals on Colorado to Florida Keys flight tickets

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See travel insights to Florida Keys from

How to get the cheapest flight ticket from Colorado to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Colorado averaging around $227.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Colorado to Florida Keys is on a Thursday when prices can be found for as low as $433. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $478.

What is the cheapest time of day to depart on your flight to Florida Keys?

How far in advance should I book a flight to Florida Keys?

Can stopping save me money on Colorado to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Colorado to Florida Keys.

What is the cheapest airline that flies from Colorado to Florida Keys?

United Airlines, Frontier, and Southwest are the most popular carriers operating from Colorado to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Colorado to Florida Keys on average per week?

The number of flights available between Colorado and Florida Keys is 73 per week as of November 2025. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.

How long is the flight from Colorado to Florida Keys?

On average, it takes 2h 16m to fly from Colorado to Florida Keys if you fly out of Aspen (the most popular airport in Colorado) and into Los Angeles (the most popular airport in Florida Keys). If you’re flying out of Montrose and into Los Angeles, then the flight time is around 2h 21m.

Cheap Colorado to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Florida Keys

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Colorado to Florida Keys?

How many operators does momondo search for flights from Colorado to Florida Keys?

How old do you have to be to fly from Colorado to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Colorado to Florida Keys?

Best airlines flying from Colorado to Florida Keys

Compare and see reviews for airlines that fly from Colorado to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Florida Keys?

Can I find flights from Colorado to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Colorado to Florida Keys?

I’m not ready to book a flight from Colorado to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo