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$87+ Cheap flights from Denver (DEN) 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — EYW
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Denver to Florida Keys

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$142
(Cheapflightsfares)

One-way from

$87
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$311
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 Denver Intl to Florida Keys
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One-way flight from Denver Intl to Florida Keys
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Highest demand for flights based on searches. 12% potential increase in price ($39 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 February 2025
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Find flight deals from Denver to Florida Keys

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

This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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.
Wed 3/128:47 pmDEN - MIA
1 stop25h 26mFrontier
Tue 3/186:25 amMIA - DEN
Nonstop4h 43mFrontier
Deal found 2/21$142
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3112:59 amDEN - MIA
Nonstop3h 53mAmerican Airlines
Tue 4/88:21 pmMIA - DEN
Nonstop4h 30mAmerican Airlines
Deal found 2/21$237
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3112:55 amDEN - MIA
1 stop8h 40mDelta
Tue 4/810:25 amMIA - DEN
1 stop8h 41mDelta
Deal found 2/21$257
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:35 amDEN - EYW
2 stops8h 52mAmerican Airlines
Sun 8/311:27 pmEYW - DEN
1 stop8h 06mAmerican Airlines
Deal found 2/21$268
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:30 pmDEN - MIA
1 stop23h 33mMultiple Airlines
Tue 3/185:30 amMIA - DEN
3 stops37h 43mMultiple Airlines
Deal found 2/21$272
This Southwest deal was found by Cheapflights users on 2/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/111:45 pmDEN - MIA
1 stop9h 50mSouthwest
Tue 4/87:35 amMIA - DEN
2 stops11h 05mSouthwest
Deal found 2/21$289
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/612:55 amDEN - EYW
1 stop8h 33mDelta
Tue 4/86:10 pmEYW - DEN
1 stop6h 58mDelta
Deal found 2/20$298
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/86:02 amDEN - EYW
1 stop7h 02mUnited Airlines
Wed 4/94:04 pmEYW - DEN
1 stop9h 06mUnited Airlines
Deal found 2/20$308
This Trip.com deal was found by Cheapflights users on 2/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:00 amDEN - EYW
2 stops25h 15mMultiple Airlines
Mon 3/106:00 pmEYW - DEN
2 stops29h 05mMultiple Airlines
Deal found 2/22$454

Find flights from Denver to Florida Keys within your budget

Customize your flight search to find flights from Denver 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 February 22, 2025.

Fly from

Denver

Fly to

Florida Keys

Route

Depart

Return

Price

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Wed 3/12

8:47 pm-12:13 am

1 stop25h 26m

Miami

Tue 3/18

6:25 am-9:08 am

Nonstop4h 43m

$142

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mon 3/31

12:59 am-6:52 am

Nonstop3h 53m

Miami

Tue 4/8

8:21 pm-10:51 pm

Nonstop4h 30m

$237

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mon 3/31

12:55 am-11:35 am

1 stop8h 40m

Miami

Tue 4/8

10:25 am-5:06 pm

1 stop8h 41m

$257

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 4/1

12:59 am-11:03 am

1 stop8h 04m

Key West

Wed 4/9

12:59 pm-7:17 pm

1 stop8h 18m

$268

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Wed 3/12

6:30 pm-8:03 pm

1 stop23h 33m

Miami

Tue 3/18

5:30 am-5:13 pm

3 stops37h 43m

$272

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 4/1

11:45 pm-11:35 am

1 stop9h 50m

Miami

Tue 4/8

7:35 am-4:40 pm

2 stops11h 05m

$289

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sun 4/6

12:55 am-11:28 am

1 stop8h 33m

Key West

Tue 4/8

6:10 pm-11:08 pm

1 stop6h 58m

$298

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 4/8

6:02 am-3:04 pm

1 stop7h 02m

Key West

Wed 4/9

4:04 pm-11:10 pm

1 stop9h 06m

$308

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Thu 3/6

6:00 am-9:15 am

2 stops25h 15m

Key West

Mon 3/10

6:00 pm-9:05 pm

2 stops29h 05m

$454

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Thu 5/1

7:59 pm-10:35 pm

1 stop24h 36m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 24 results
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Best time to book a flight from Denver to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Denver 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.

Travel insights for flights from Denver to Florida Keys

Get recent, data-driven insights about flights from Denver to Florida Keys including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Denver to Florida Keys (average of $328). Flying from Denver to Florida Keys in March is currently the most expensive (average of $510). 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.

Rainfall in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Florida Keys ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Florida Keys when rainfall is around 1.6 in.

Temperature in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Florida Keys, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated February 22, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Denver to Florida Keys have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

  • What airport do you fly from for flights from Denver to Florida Keys?

    If you book a flight to Florida Keys from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $87. Users have also found prices from $114 and $119 on JetBlue and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Florida Keys?

    Currently, August is the cheapest month in which you can book a flight from Denver to Florida Keys (average of $328). Flying from Denver to Florida Keys in March is currently the most expensive (average of $510). 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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Alternative routes for Denver to Florida Keys

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Top 3 airlines flying from Denver to Florida Keys

Discover the top 3 airlines that operate flights from Denver 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$404FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$368Average$552FlexibilityNo cancel feeOn-time69%
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