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Florida Keys

$90+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — EYW
May 10 — May 171
Sat 5/10
Sat 5/17
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 May 5, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$154
(Cheapflightsfares)

One-way from

$90
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$268
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. 14% potential increase in price ($47 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 May 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 May 5, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 5/4. 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.
Fri 8/112:34 amDEN - MIA
Nonstop3h 56mFrontier
Sat 8/96:00 amMIA - DEN
Nonstop4h 21mFrontier
Deal found 5/4$154
This Southwest deal was found by Cheapflights users on 5/4. 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 6/33:40 pmDEN - MIA
Nonstop3h 50mSouthwest
Wed 6/116:50 amMIA - DEN
Nonstop4h 15mSouthwest
Deal found 5/4$161
This Trip.com deal was found by Cheapflights users on 5/5. 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.
Tue 6/175:20 pmDEN - MIA
Nonstop4h 06mMultiple Airlines
Fri 6/206:00 amMIA - DEN
Nonstop4h 25mMultiple Airlines
Deal found 5/5$178
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 6/411:53 pmDEN - MIA
Nonstop3h 52mAmerican Airlines
Thu 6/129:59 amMIA - DEN
Nonstop4h 20mAmerican Airlines
Deal found 5/5$189
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/175:20 pmDEN - MIA
Nonstop4h 06mUnited Airlines
Wed 7/21:35 pmMIA - DEN
1 stop10h 22mUnited Airlines
Deal found 5/3$198
This Delta deal was found by Cheapflights users on 5/3. 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 6/1612:55 amDEN - MIA
1 stop8h 46mDelta
Tue 7/12:13 pmMIA - DEN
1 stop8h 05mDelta
Deal found 5/3$237
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 5/286:15 amDEN - EYW
2 stops10h 34mAmerican Airlines
Wed 6/41:39 pmEYW - DEN
2 stops12h 20mAmerican Airlines
Deal found 5/4$241
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 12/212:59 amDEN - EYW
1 stop8h 00mDelta
Wed 12/106:00 pmEYW - DEN
1 stop6h 15mDelta
Deal found 5/5$277
This Mytrip deal was found by Cheapflights users on 5/4. 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.
Sat 5/316:16 pmDEN - EYW
1 stop19h 00mAllegiant Air
Thu 6/54:17 pmEYW - DEN
1 stop25h 46mAllegiant Air
Deal found 5/4$285
This Sun Country Air deal was found by Cheapflights users on 5/4. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:13 pmDEN - MIA
1 stop14h 57mSun Country Air
Sun 6/222:08 pmMIA - DEN
1 stop29h 53mSun Country Air
Deal found 5/4$295
This JetBlue deal was found by Cheapflights users on 5/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1911:59 pmDEN - MIA
1 stop11h 16mJetBlue
Sun 5/257:00 amMIA - DEN
1 stop8h 43mJetBlue
Deal found 5/4$315
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 5/2411:59 pmDEN - EYW
1 stop10h 54mUnited Airlines
Tue 6/32:12 pmEYW - DEN
1 stop11h 03mUnited Airlines
Deal found 5/4$350

Cheapflights Fare Finder

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 May 5, 2025.
Use the filters below to find and compare flights from Denver to Florida Keys that are best for you.

Fly from

Denver

Fly to

Florida Keys

Route

Depart

Return

Price

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Fri 8/1

12:34 am-6:30 am

Nonstop3h 56m

Miami

Sat 8/9

6:00 am-8:21 am

Nonstop4h 21m

$154

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 6/3

3:40 pm-9:30 pm

Nonstop3h 50m

Miami

Wed 6/11

6:50 am-9:05 am

Nonstop4h 15m

$161

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 6/17

5:20 pm-11:26 pm

Nonstop4h 06m

Miami

Fri 6/20

6:00 am-8:25 am

Nonstop4h 25m

$178

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Wed 6/4

11:53 pm-5:45 am

Nonstop3h 52m

Miami

Thu 6/12

9:59 am-12:19 pm

Nonstop4h 20m

$189

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Tue 6/17

5:20 pm-11:26 pm

Nonstop4h 06m

Miami

Wed 7/2

1:35 pm-9:57 pm

1 stop10h 22m

$198

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mon 6/16

4:39 pm-12:57 am

1 stop6h 18m

Miami

Sat 7/5

7:12 am-12:51 pm

1 stop7h 39m

$237

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Wed 5/28

6:15 am-6:49 pm

2 stops10h 34m

Key West

Wed 6/4

1:39 pm-11:59 pm

2 stops12h 20m

$241

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 5/31

6:16 pm-3:16 pm

1 stop19h 00m

Key West

Thu 6/5

4:17 pm-4:03 pm

1 stop25h 46m

$285

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Fri 6/13

6:13 pm-11:10 am

1 stop14h 57m

Miami

Sun 6/22

2:08 pm-6:01 pm

1 stop29h 53m

$295

DenverMiami

DEN - MIA

DENMIA

Denver Intl

Mon 5/19

11:59 pm-1:15 pm

1 stop11h 16m

Miami

Sun 5/25

7:00 am-1:43 pm

1 stop8h 43m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 26 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.

Cheapflights Insights

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

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 $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.

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 May 5, 2025.
See what other customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,987 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,941 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,702 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,921 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $90. Users have also found prices from $91 and $109 on American Airlines and United Airlines, 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 $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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Alternative routes for Denver 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 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 May 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$357Average$566FlexibilityNo cancel feeOn-time69%

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