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Florida Keys

$75+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — EYW
Aug 25 — Sep 11
Mo 8/25
Mo 9/1
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 August 20, 2025.

Round-trip from

$107
(Frontier)

One-way from

$75
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$257
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. 5% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Frontier deal was found by Cheapflights users on 8/18. 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.
Sa 9/276:55 pmDEN - MIA
Nonstop3h 49mFrontier
Mo 10/66:00 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/18$107
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 9/512:59 amDEN - MIA
1 stop8h 24mFrontier
Sa 9/136:45 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/19$108
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
So 9/286:55 pmDEN - MIA
Nonstop3h 49mFrontier
Sa 10/46:45 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/18$109
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Mi 11/1212:34 amDEN - MIA
Nonstop3h 45mFrontier
Mo 11/176:00 amMIA - DEN
Nonstop4h 33mFrontier
Deal found 8/19$110
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Fr 9/56:55 pmDEN - MIA
Nonstop3h 49mFrontier
Sa 9/276:45 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/18$111
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mi 9/176:55 pmDEN - MIA
Nonstop3h 49mFrontier
Sa 9/276:45 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/20$113
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/3012:34 amDEN - MIA
Nonstop3h 45mFrontier
Sa 11/16:00 amMIA - DEN
Nonstop4h 33mFrontier
Deal found 8/18$114
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Do 9/116:55 pmDEN - MIA
Nonstop3h 49mFrontier
Fr 9/196:00 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/18$115
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 10/2412:34 amDEN - MIA
Nonstop3h 45mFrontier
So 11/27:38 pmMIA - DEN
1 stop26h 23mFrontier
Deal found 8/19$116
This Frontier deal was found by Cheapflights users on 8/18. 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.
Fr 9/126:55 pmDEN - MIA
Nonstop3h 49mFrontier
Sa 9/206:45 amMIA - DEN
Nonstop4h 30mFrontier
Deal found 8/18$117
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 9/176:55 pmDEN - MIA
Nonstop3h 49mFrontier
Mi 9/246:25 pmMIA - DEN
1 stop28h 22mFrontier
Deal found 8/19$118
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Mi 11/127:49 amDEN - EYW
1 stop8h 02mAmerican Airlines
Di 11/184:26 pmEYW - DEN
1 stop8h 35mAmerican Airlines
Deal found 8/20$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 August 20, 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

Sa 9/27

6:55 pm-12:44 am

Nonstop3h 49m

Miami

Mo 10/6

6:00 am-8:30 am

Nonstop4h 30m

$107

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Fr 9/5

12:59 am-11:23 am

1 stop8h 24m

Miami

Sa 9/13

6:45 am-9:15 am

Nonstop4h 30m

$108

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mi 11/12

12:34 am-6:19 am

Nonstop3h 45m

Miami

Mo 11/17

6:00 am-8:33 am

Nonstop4h 33m

$110

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Fr 9/5

6:55 pm-12:44 am

Nonstop3h 49m

Miami

Sa 9/27

6:45 am-9:15 am

Nonstop4h 30m

$111

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mi 10/22

12:34 am-6:19 am

Nonstop3h 45m

Miami

Sa 11/1

6:00 am-8:33 am

Nonstop4h 33m

$114

DenverMiami

DEN - MIA

DENMIA

Denver Intl

So 9/28

6:55 pm-12:44 am

Nonstop3h 49m

Miami

Fr 10/3

6:00 am-8:30 am

Nonstop4h 30m

$118

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Sa 9/27

6:55 pm-12:44 am

Nonstop3h 49m

Miami

Sa 10/4

8:00 am-10:53 pm

1 stop16h 53m

$119

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Fr 10/24

12:34 am-6:19 am

Nonstop3h 45m

Miami

Sa 11/1

6:00 am-8:33 am

Nonstop4h 33m

$121

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Do 10/30

12:50 pm-8:06 pm

1 stop5h 16m

Key West

Mi 11/5

7:40 am-1:52 pm

1 stop8h 12m

$260

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Mi 10/1

5:44 am-6:59 pm

2 stops11h 15m

Key West

Mo 10/6

5:47 pm-10:56 pm

1 stop7h 09m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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, August is the cheapest month in which you can book a flight from Colorado to Florida Keys (average of $328). Flying from Colorado to Florida Keys in March is currently the most expensive (average of $492). 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 August 20, 2025.

When flying from Colorado to Florida Keys, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    Frontier, Delta, and American Airlines can get you from Colorado to Florida Keys in just under 3h 49m. Your travel time can differ by up to 7h 26m. 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 Frontier. According to our data, you can fly for as low as $75. Users have also found prices from $119 and $119 on Delta 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, August is the cheapest month in which you can book a flight from Colorado to Florida Keys (average of $328). Flying from Colorado to Florida Keys in March is currently the most expensive (average of $492). 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

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$230Average$503FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$357Average$587FlexibilityNo cancel feeOn-time69%

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