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Florida Keys

$68+ Cheap flights from Colorado to Florida Keys

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — EYW
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
1 adult, Economy
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Cheap flight deals from Colorado to Florida Keys

Keep the following information in mind while searching for Colorado to Florida Keys flight deals. Data was last updated octubre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$122
(Cheapflightsfares)

One-way from

$68
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$261
Provider with most accurate pricing for Denver Intl-Miami flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Miami flights.
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From Colorado to Florida Keys
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One-way flight from Colorado to Florida Keys
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Highest demand for flights based on searches. 8% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Colorado to Florida Keys

Cheapest flights from Colorado to Florida Keys
Explore the most affordable flight options available from Colorado to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/112:34 amDEN - MIA
Nonstop3h 45mFrontier
sáb. 11/86:00 amMIA - DEN
Nonstop4h 33mFrontier
Deal found 10/20$122
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:25 pmDEN - MIA
Nonstop3h 54mFrontier
lun. 12/86:00 amMIA - DEN
Nonstop4h 43mFrontier
Deal found 10/20$124
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/411:25 pmDEN - MIA
Nonstop3h 54mFrontier
lun. 12/87:05 amMIA - DEN
1 stop10h 34mFrontier
Deal found 10/20$126
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/812:59 amDEN - MIA
1 stop7h 49mFrontier
mar. 12/166:00 amMIA - DEN
Nonstop4h 43mFrontier
Deal found 10/21$127
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/712:59 amDEN - MIA
1 stop6h 59mMultiple Airlines
jue. 11/137:07 pmMIA - DEN
1 stop28h 21mMultiple Airlines
Deal found 10/20$128
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/312:59 amDEN - MIA
1 stop10h 29mFrontier
sáb. 11/86:00 amMIA - DEN
Nonstop4h 33mFrontier
Deal found 10/21$129
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/141:42 pmDEN - MIA
1 stop18h 16mMultiple Airlines
lun. 11/178:00 amMIA - DEN
1 stop26h 37mMultiple Airlines
Deal found 10/21$130
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/79:09 amDEN - MIA
1 stop22h 03mFrontier
sáb. 11/156:00 amMIA - DEN
Nonstop4h 33mFrontier
Deal found 10/20$131
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/39:09 amDEN - MIA
1 stop22h 03mFrontier
jue. 11/66:00 amMIA - DEN
Nonstop4h 33mFrontier
Deal found 10/20$132
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/112:45 pmDEN - MIA
1 stop19h 44mFrontier
jue. 11/137:07 pmMIA - DEN
1 stop28h 21mFrontier
Deal found 10/21$133
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:00 amDEN - MIA
1 stop8h 54mFrontier
vie. 12/56:00 amMIA - DEN
Nonstop4h 43mFrontier
Deal found 10/20$135
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:47 pmDEN - EYW
1 stop8h 20mAmerican Airlines
mié. 12/101:45 pmEYW - DEN
1 stop8h 49mAmerican Airlines
Deal found 10/20$231

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 22, 2025.
Use the filters below to find and compare flights from Colorado to Florida Keys that are best for you.

Fly from

Colorado

Fly to

Florida Keys

Route

Depart

Return

Price

DenverMiami

DEN - MIA

DENMIA

Denver Intl

vie. 10/31

10:05 am-4:04 pm

Nonstop3h 59m

Miami

mar. 11/11

8:00 am-10:35 am

Nonstop4h 35m

$169

DenverMiami

DEN - MIA

DENMIA

Denver Intl

mar. 11/11

4:00 pm-9:59 pm

Nonstop3h 59m

Miami

sáb. 11/15

8:00 am-10:35 am

Nonstop4h 35m

$179

DenverMiami

DEN - MIA

DENMIA

Denver Intl

mié. 11/12

10:05 am-4:04 pm

Nonstop3h 59m

Miami

lun. 11/17

8:00 am-10:35 am

Nonstop4h 35m

$206

DenverMiami

DEN - MIA

DENMIA

Denver Intl

mar. 11/4

10:05 am-4:04 pm

Nonstop3h 59m

Miami

sáb. 11/8

8:00 am-10:35 am

Nonstop4h 35m

$229

DenverKey West

DEN - EYW

DENEYW

Denver Intl

mar. 12/9

7:49 am-5:52 pm

1 stop8h 03m

Key West

mar. 12/16

4:10 pm-9:29 pm

1 stop7h 19m

$231

Grand JunctionMiami

GJT - MIA

GJTMIA

Grand Junction Regnl

mar. 2/24

12:06 pm-10:37 pm

1 stop8h 31m

Miami

mié. 2/25

11:24 am-4:07 pm

1 stop6h 43m

$231

DenverMiami

DEN - MIA

DENMIA

Denver Intl

mar. 11/4

4:00 pm-9:59 pm

Nonstop3h 59m

Miami

vie. 11/14

3:45 pm-6:22 pm

Nonstop4h 37m

$231

DenverKey West

DEN - EYW

DENEYW

Denver Intl

mié. 12/3

12:47 pm-11:07 pm

1 stop8h 20m

Key West

mié. 12/10

7:00 am-3:49 pm

2 stops10h 49m

$236

DenverKey West

DEN - EYW

DENEYW

Denver Intl

mar. 1/13

10:45 am-7:44 pm

1 stop6h 59m

Key West

sáb. 1/17

6:00 pm-10:49 pm

1 stop6h 49m

$237

DenverMiami

DEN - MIA

DENMIA

Denver Intl

lun. 1/5

6:45 am-5:21 pm

1 stop8h 36m

Miami

sáb. 1/10

6:50 am-3:13 pm

1 stop10h 23m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Florida Keys

What is the cheapest month to book a flight from Colorado to Florida Keys?

Currently, April is the cheapest month in which you can book a flight from Colorado to Florida Keys (average of $198). Flying from Colorado to Florida Keys in June is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to EOA?

Find hourly flight availability from Colorado to Florida Keys. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado to Florida Keys in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Florida Keys?

    United Airlines, American Airlines, and Delta can get you from Colorado to Florida Keys in just under 3h 59m. Your travel time can differ by up to 4h 04m. The distance from Colorado to Florida Keys is about 1707 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to Florida Keys one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $79. Users have also found prices from $94 and $119 on Southwest and American Airlines, respectively.

  • Can I find deals for flights from Colorado to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Colorado to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Florida Keys.

  • Can I find deals for business class flights from Colorado to Florida Keys?

    Yes. Cheapflights offers flight deals from Colorado to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Florida Keys?

    Currently, April is the cheapest month in which you can book a flight from Colorado to Florida Keys (average of $198). Flying from Colorado to Florida Keys in June is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Colorado to Florida Keys

Discover the top 3 airlines that operate flights from Colorado to Florida Keys. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$230Average$488FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$357Average$585FlexibilityNo cancel feeOn-time69%

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