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Key West

$127+ Cheap flights from Colorado to Key West (EYW)

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — EYW
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Colorado to Key West

Keep the following information in mind while searching for Colorado to Key West flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$218
(Kiwi.com)

One-way from

$127
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$466
Provider with most accurate pricing for Denver Intl-Key West flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Key West flights.
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From Colorado to Key West
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One-way flight from Colorado to Key West
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 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 Key West

Cheapest flights from Colorado to Key West
Explore the most affordable flight options available from Colorado to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sat 12/611:59 pmDEN - EYW
1 stop13h 45mMultiple Airlines
Thu 12/114:34 pmEYW - DEN
2 stops40h 41mMultiple Airlines
Deal found 10/27$218
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/611:00 pmDEN - EYW
1 stop9h 19mMultiple Airlines
Tue 12/911:45 amEYW - DEN
2 stops24h 33mMultiple Airlines
Deal found 10/29$221
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 12/711:12 amDEN - EYW
1 stop24h 27mMultiple Airlines
Thu 12/114:34 pmEYW - DEN
1 stop17h 50mMultiple Airlines
Deal found 10/27$229
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/48:33 amDEN - EYW
1 stop26h 06mMultiple Airlines
Thu 12/114:34 pmEYW - DEN
2 stops40h 41mMultiple Airlines
Deal found 10/27$230
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/27:49 amDEN - EYW
1 stop8h 02mAmerican Airlines
Tue 12/97:30 amEYW - DEN
1 stop7h 22mAmerican Airlines
Deal found 10/28$231
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sat 12/611:59 pmDEN - EYW
1 stop13h 45mMultiple Airlines
Sun 12/1410:27 pmEYW - DEN
1 stop12h 43mMultiple Airlines
Deal found 10/27$232
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 12/711:12 amDEN - EYW
1 stop24h 27mMultiple Airlines
Fri 12/129:57 amEYW - DEN
1 stop7h 46mMultiple Airlines
Deal found 10/27$236
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 12/610:34 amDEN - EYW
1 stop7h 32mDelta
Wed 12/103:02 pmEYW - DEN
1 stop7h 28mDelta
Deal found 10/27$237
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/48:33 amDEN - EYW
1 stop26h 06mMultiple Airlines
Fri 12/129:57 amEYW - DEN
1 stop7h 46mMultiple Airlines
Deal found 10/27$244
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/155:45 amCOS - EYW
1 stop8h 31mAmerican Airlines
Sat 11/225:40 pmEYW - COS
1 stop8h 08mAmerican Airlines
Deal found 10/27$366
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/45:45 amCOS - EYW
1 stop8h 31mAmerican Airlines
Tue 11/112:11 pmEYW - COS
1 stop23h 55mAmerican Airlines
Deal found 10/27$606
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 11/16:00 amDRO - EYW
2 stops13h 56mAmerican Airlines
Wed 11/52:39 pmEYW - DRO
1 stop8h 47mAmerican Airlines
Deal found 10/26$649

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Key West 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 October 29, 2025.
Use the filters below to find and compare flights from Colorado to Key West that are best for you.

Fly from

Colorado

Fly to

Key West

Route

Depart

Return

Price

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 12/6

10:13 am-9:50 pm

1 stop9h 37m

Key West

Tue 12/9

4:10 pm-11:03 pm

1 stop8h 53m

$231

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 12/9

6:21 am-5:52 pm

1 stop9h 31m

Key West

Sat 12/13

4:53 pm-11:19 pm

1 stop8h 26m

$231

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 12/6

11:59 pm-3:44 pm

1 stop13h 45m

Key West

Sun 12/14

10:27 pm-9:10 am

1 stop12h 43m

$232

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sat 12/6

10:34 am-8:06 pm

1 stop7h 32m

Key West

Wed 12/10

3:02 pm-8:30 pm

1 stop7h 28m

$237

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Tue 12/2

12:26 pm-11:50 pm

2 stops9h 24m

Key West

Tue 12/9

7:00 am-1:53 pm

2 stops8h 53m

$241

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sun 12/7

6:00 am-3:24 pm

1 stop7h 24m

Key West

Sat 12/13

2:42 pm-11:59 pm

1 stop11h 17m

$257

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Mon 12/8

11:00 pm-11:05 am

1 stop10h 05m

Key West

Sun 12/14

12:20 pm-9:02 am

2 stops22h 42m

$272

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Fri 12/5

11:00 pm-4:56 pm

1 stop15h 56m

Key West

Sat 12/13

2:30 pm-8:20 am

2 stops19h 50m

$273

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Sun 12/7

7:45 am-8:15 am

2 stops22h 30m

Key West

Fri 12/12

9:57 am-3:43 pm

1 stop7h 46m

$279

DenverKey West

DEN - EYW

DENEYW

Denver Intl

Mon 1/26

12:00 pm-7:42 pm

1 stop5h 42m

Key West

Mon 2/2

6:08 pm-12:28 am

1 stop8h 20m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 29 results
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Best time to book a flight from Colorado to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West 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 Key West

What is the cheapest month to book a flight from Colorado to Key West?

Currently, April is the cheapest month in which you can book a flight from Colorado to Key West (average of $198). Flying from Colorado to Key West 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 EYW?

Find hourly flight availability from Colorado to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Colorado to Key West by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Key West. 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 into for flights to Key West from Colorado?

    For a flight from Colorado to Key West, you will be flying into Key West. Key West (EYW) is just 2.6 mi from the center of the city.

  • How long is the flight from Colorado to Key West?

    For as low as $237, American Airlines can have you in Key West from Colorado in 7h 32m. The distance from Colorado to Key West is about 1696 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado to Key West?

    When deciding which route to take from Colorado to Key West consider Denver Intl - Key West, Colorado Springs - Key West or Durango La Plata County - Key West as they are the most popular.

  • Can I find deals for flights from Colorado to Key West that include hotel bookings?

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

  • How can I find direct flights from Colorado to Key West?

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

  • Can I find deals for business class flights from Colorado to Key West?

    Yes. Cheapflights offers flight deals from Colorado to Key West 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 Key West?

    Currently, April is the cheapest month in which you can book a flight from Colorado to Key West (average of $198). Flying from Colorado to Key West 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

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Alternative routes for Colorado to Key West

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 Key West

Discover the top 3 airlines that operate flights from Colorado to Key West. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$230Average$487FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$370FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$357Average$586FlexibilityNo cancel feeOn-time69%

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