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

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

What airlines fly to Florida Keys?

American Airlines, United Airlines and Delta 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 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 22h.

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

The number of flights available between Colorado and Florida Keys is 56 per week as of September 2025. The most frequent departure day is Thu, with 20% 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 September 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.

$78 Cheap Flights from Colorado to Florida Keys in 2025/26

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Find the cheapest flights from Colorado to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:55 pm - 12:44 amDEN-MIA

3h 49mnonstop

6:00 am - 8:30 amMIA-DEN

4h 30mnonstop

$110Frontier

Find Deal

Thu, Oct 2 - Fri, Oct 3

8:10 pm - 11:43 pmDEN-MIA

25h 33m1 stop

6:00 am - 8:33 amMIA-DEN

4h 33mnonstop

$117Frontier

Find Deal

Fri, Oct 24 - Sun, Oct 26

12:34 am - 6:19 amDEN-MIA

3h 45mnonstop

6:00 am - 8:33 amMIA-DEN

4h 33mnonstop

$119Frontier

Find Deal

Sun, Oct 19 - Mon, Oct 27

11:59 pm - 5:45 amDEN-MIA

3h 46mnonstop

9:27 am - 12:01 pmMIA-DEN

4h 34mnonstop

$159American Airlines

Find Deal

Sat, Nov 1 - Tue, Nov 4

12:34 am - 6:19 amDEN-MIA

3h 45mnonstop

7:23 pm - 8:37 amMIA-DEN

15h 14m1 stop

$165Multiple Airlines

Find Deal

Sat, Oct 18 - Tue, Oct 28

8:10 pm - 6:11 pmDEN-MIA

20h 01m1 stop

6:00 am - 8:33 amMIA-DEN

4h 33mnonstop

$166Multiple Airlines

Find Deal

Tue, Oct 21 - Fri, Oct 31

8:13 am - 4:16 pmDEN-EYW

6h 03m1 stop

5:40 pm - 11:56 pmEYW-DEN

8h 16m1 stop

$231American Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

9:40 am - 7:44 pmDEN-EYW

8h 04m1 stop

1:30 pm - 8:38 pmEYW-DEN

9h 08m1 stop

$260Delta

Find Deal

Sat, Jan 24 - Fri, Jan 30

11:59 pm - 11:22 amDEN-EYW

9h 23m1 stop

1:05 pm - 11:04 pmEYW-DEN

11h 59m1 stop

$285JetBlue

Find Deal

Thu, Jan 22 - Fri, Jan 30

11:26 am - 8:06 pmDEN-EYW

6h 40m1 stop

1:57 pm - 8:15 pmEYW-DEN

8h 18m1 stop

$300Delta

Find Deal

Wed, Oct 29 - Mon, Nov 3

Frontier flights from Colorado to Florida Keys

Our best Frontier deals on Colorado to Florida Keys flight tickets

Frontier

Oct 2

DEN6:55 pmDenver Intl

3h 49m

MIA12:44 amMiami

Oct 3

MIA6:00 amMiami

4h 30m

DEN8:30 amDenver Intl

$110

Find similar

Frontier

Oct 24

DEN8:10 pmDenver Intl

25h 33m

1 stop

MIA11:43 pmMiami

Oct 26

MIA6:00 amMiami

4h 33m

DEN8:33 amDenver Intl

$117

Find similar

Frontier

Oct 19

DEN12:34 amDenver Intl

3h 45m

MIA6:19 amMiami

Oct 27

MIA6:00 amMiami

4h 33m

DEN8:33 amDenver Intl

$119

Find similar

American Airlines flights from Colorado to Florida Keys

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

American Airlines

Nov 1

DEN11:59 pmDenver Intl

3h 46m

MIA5:45 amMiami

Nov 4

MIA9:27 amMiami

4h 34m

DEN12:01 pmDenver Intl

$159

Find similar

American Airlines

Nov 15

DEN8:13 amDenver Intl

6h 03m

1 stop

EYW4:16 pmKey West

Nov 22

EYW5:40 pmKey West

8h 16m

1 stop

DEN11:56 pmDenver Intl

$231

Find similar

American Airlines

Nov 15

DEN11:59 pmDenver Intl

11h 04m

2 stops

EYW1:03 pmKey West

Nov 22

EYW5:40 pmKey West

8h 16m

1 stop

DEN11:56 pmDenver Intl

$236

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Thu 10/2

6:55 pm-12:44 am

Nonstop3h 49m

Miami

Fri 10/3

6:00 am-8:30 am

Nonstop4h 30m

$110

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Fri 10/24

8:10 pm-11:43 pm

1 stop25h 33m

Miami

Sun 10/26

6:00 am-8:33 am

Nonstop4h 33m

$117

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Sun 10/19

12:34 am-6:19 am

Nonstop3h 45m

Miami

Mon 10/27

6:00 am-8:33 am

Nonstop4h 33m

$119

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Sat 11/1

11:59 pm-5:45 am

Nonstop3h 46m

Miami

Tue 11/4

9:27 am-12:01 pm

Nonstop4h 34m

$159

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Sat 10/18

12:34 am-6:19 am

Nonstop3h 45m

Miami

Tue 10/28

7:23 pm-8:37 am

1 stop15h 14m

$165

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 10/21

8:10 pm-6:11 pm

1 stop20h 01m

Miami

Fri 10/31

6:00 am-8:33 am

Nonstop4h 33m

$166

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 11/15

8:13 am-4:16 pm

1 stop6h 03m

Key West

Sat 11/22

5:40 pm-11:56 pm

1 stop8h 16m

$231

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 1/24

9:40 am-7:44 pm

1 stop8h 04m

Key West

Fri 1/30

1:30 pm-8:38 pm

1 stop9h 08m

$260

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Thu 1/22

11:59 pm-11:22 am

1 stop9h 23m

Key West

Fri 1/30

1:05 pm-11:04 pm

1 stop11h 59m

$285

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Wed 10/29

11:26 am-8:06 pm

1 stop6h 40m

Key West

Mon 11/3

1:57 pm-8:15 pm

1 stop8h 18m

$300

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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 October is another great option to travel to Florida Keys, with average flight prices from Colorado averaging around $235.

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 $444. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $477.

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 $333. 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 $223 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 September 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 Boeing 737 MAX 8, making up 16.33% of the total bookings. Other popular models include Airbus A321neo with 13.48%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.56%, and Airbus A320neo with 10.02%.

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 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
United Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 8,922 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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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $44

Flights to Miamifrom $49

Flights to Chicagofrom $60

Flights to Orlandofrom $56

Flights to Las Vegasfrom $44

Flights to San Franciscofrom $60

Flights to Washington, D.C.from $56

Flights to Bostonfrom $67

Flights to Atlantafrom $51

Flights to Dallasfrom $59

Flights to Seattlefrom $102

Cheap flights from Colorado to Florida Keys from $78

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 10/4. 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Colorado to Florida Keys

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Frontier flights from Colorado to Florida Keys

Our best Frontier deals on Colorado to Florida Keys flight tickets

American Airlines flights from Colorado to Florida Keys

Our best American 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 October is another great option to travel to Florida Keys, with average flight prices from Colorado averaging around $235.

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 $444. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $477.

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?

Frontier, United Airlines, and American Airlines 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 56 per week as of September 2025. The most frequent departure day is Thu, with 20% 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 22h.

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