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

Delta, Frontier, and Allegiant Air are the most popular carriers operating from Colorado to Florida Keys

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 71% 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 85 per week as of May 2026. 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 12h 05m to fly from Colorado to Florida Keys if you fly out of Denver (the most popular airport in Colorado) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Colorado Springs and into Copenhagen, then the flight time is around 20h 50m.

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 May 2026, there are 6 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.

$92 Cheap Flights from Colorado to Florida Keys in 2026

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Find the cheapest flights from Colorado to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 pm - 5:54 am

DEN

MIA

4h 14mnonstop

6:00 am - 8:37 am

MIA

DEN

4h 37mnonstop

$166Frontier

Tue, Aug 18 - Wed, Aug 26

11:40 pm - 5:54 am

DEN

MIA

4h 14mnonstop

6:00 am - 8:12 pm

MIA

DEN

16h 12m

1 stop

$171Frontier

Tue, Aug 18 - Tue, Aug 25

7:05 am - 5:23 pm

DEN

EYW

8h 18m

1 stop

6:24 pm - 12:22 am

EYW

DEN

7h 58m

1 stop

$271Delta

Sat, Jun 6 - Tue, Jun 9

1:16 pm - 11:02 am

DEN

EYW

19h 46m

1 stop

2:51 pm - 10:24 pm

EYW

DEN

33h 33m

2 stops

$273Multiple Airlines

Thu, May 28 - Mon, Jun 1

6:20 pm - 5:42 am

COS

MIA

9h 22m

1 stop

6:00 am - 12:35 pm

MIA

COS

8h 35m

1 stop

$277Delta

Tue, Jun 30 - Sat, Jul 4

11:55 pm - 9:44 am

DEN

EYW

7h 49m

1 stop

1:49 pm - 10:14 pm

EYW

DEN

10h 25m

2 stops

$286American Airlines

Sat, Aug 22 - Wed, Aug 26

6:03 am - 11:25 am

DEN

EYW

27h 22m

2 stops

1:14 pm - 4:30 pm

EYW

DEN

29h 16m

1 stop

$289Multiple Airlines

Wed, May 27 - Tue, Jun 2

8:00 am - 4:50 pm

COS

MIA

6h 50m

1 stop

8:35 am - 2:45 pm

MIA

COS

8h 10m

1 stop

$309American Airlines

Wed, Sep 9 - Sat, Sep 19

1:30 pm - 9:59 pm

DRO

MIA

6h 29m

1 stop

6:30 am - 11:21 am

MIA

DRO

6h 51m

1 stop

$400United Airlines

Mon, Jun 1 - Thu, Jun 11

12:39 pm - 10:27 pm

ASE

MIA

7h 48m

1 stop

3:44 pm - 9:26 pm

MIA

ASE

7h 42m

1 stop

$409United Airlines

Tue, Jun 2 - Tue, Jun 9

Frontier flights from Colorado to Florida Keys

Our best Frontier deals on Colorado to Florida Keys flight tickets

Frontier

Aug 4

DEN11:40 pmDenver Intl

4h 11m

MIA5:51 amMiami

Aug 18

MIA6:00 amMiami

16h 12m

1 stop

DEN8:12 pmDenver Intl

$171

Frontier

Jul 22

DEN6:30 amDenver Intl

8h 03m

1 stop

MIA4:33 pmMiami

Jul 29

MIA6:50 amMiami

15h 42m

1 stop

DEN8:32 pmDenver Intl

$174

Frontier

Jul 22

DEN6:30 amDenver Intl

14h 35m

1 stop

MIA11:05 pmMiami

Jul 29

MIA6:00 amMiami

4h 23m

DEN8:23 amDenver Intl

$177

American Airlines flights from Colorado to Florida Keys

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

American Airlines

Aug 22

DEN11:55 pmDenver Intl

7h 49m

1 stop

EYW9:44 amKey West

Aug 26

EYW1:49 pmKey West

10h 25m

2 stops

DEN10:14 pmDenver Intl

$286

American Airlines

Sep 9

COS8:00 amColorado Springs

6h 50m

1 stop

MIA4:50 pmMiami

Sep 19

MIA8:35 amMiami

8h 10m

1 stop

COS2:45 pmColorado Springs

$309

American Airlines

Jul 7

DEN6:41 amDenver Intl

7h 30m

1 stop

EYW4:11 pmKey West

Jul 14

EYW11:28 amKey West

12h 04m

2 stops

DEN9:32 pmDenver Intl

$312

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 8/18

11:40 pm-5:54 am

Nonstop4h 14m

Miami

Wed 8/26

6:00 am-8:37 am

Nonstop4h 37m

$166

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 8/18

11:40 pm-5:54 am

Nonstop4h 14m

Miami

Tue 8/25

6:00 am-8:12 pm

1 stop16h 12m

$171

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 6/6

7:05 am-5:23 pm

1 stop8h 18m

Key West

Tue 6/9

6:24 pm-12:22 am

1 stop7h 58m

$271

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Thu 5/28

1:16 pm-11:02 am

1 stop19h 46m

Key West

Mon 6/1

2:51 pm-10:24 pm

2 stops33h 33m

$273

Colorado SpringsMiami

COS - MIA

COSMIA

Colorado Springs

Tue 6/30

6:20 pm-5:42 am

1 stop9h 22m

Miami

Sat 7/4

6:00 am-12:35 pm

1 stop8h 35m

$277

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 8/22

11:55 pm-9:44 am

1 stop7h 49m

Key West

Wed 8/26

1:49 pm-10:14 pm

2 stops10h 25m

$286

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Wed 5/27

6:03 am-11:25 am

2 stops27h 22m

Key West

Tue 6/2

1:14 pm-4:30 pm

1 stop29h 16m

$289

Colorado SpringsMiami

COS - MIA

COSMIA

Colorado Springs

Wed 9/9

8:00 am-4:50 pm

1 stop6h 50m

Miami

Sat 9/19

8:35 am-2:45 pm

1 stop8h 10m

$309

DurangoMiami

DRO - MIA

DROMIA

Durango La Plata County

Mon 6/1

1:30 pm-9:59 pm

1 stop6h 29m

Miami

Thu 6/11

6:30 am-11:21 am

1 stop6h 51m

$400

AspenMiami

ASE - MIA

ASEMIA

Aspen Pitkin County

Tue 6/2

12:39 pm-10:27 pm

1 stop7h 48m

Miami

Tue 6/9

3:44 pm-9:26 pm

1 stop7h 42m

$409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $59.

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 Friday when prices can be found for as low as $395. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $438.

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 $316. 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 $482.

How far in advance should I book a flight from Colorado 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 $294 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 $219 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 49m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Colorado to Florida Keys takes 3h 49m

Direct flights go from Colorado to Florida Keys every day.

There are 3 airports in Florida Keys. From Colorado there are direct flights to Miami (MIA).

Search flight deals

Frequently asked questions about flying from Colorado to Florida Keys

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 May 2026, there are 6 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 18.77% of the total bookings. Other popular models include Boeing 737 MAX 8 with 17.73%, Airbus A320neo with 11.88%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 10.74%.

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 7.1 11,667 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 9,699 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.