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Key West

$130+ Cheap flights from Detroit to Key West (DTT - 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — EYW
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to Key West are usually found in September or July, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Detroit to Key West

Cheapest flights from Detroit to Key West
Explore the most affordable flight options available from Detroit to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
mié. 12/176:15 amDTW - EYW
1 stop28h 04mMultiple Airlines
vie. 12/199:57 amEYW - DTW
1 stop22h 54mMultiple Airlines
Deal found 12/13$259
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
sáb. 12/136:12 pmDTW - EYW
1 stop14h 03mMultiple Airlines
vie. 12/199:57 amEYW - DTW
1 stop22h 54mMultiple Airlines
Deal found 12/13$303
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
dom. 12/146:15 amDTW - EYW
1 stop27h 02mMultiple Airlines
sáb. 12/207:47 amEYW - DTW
1 stop17h 32mMultiple Airlines
Deal found 12/13$314
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
dom. 12/146:15 amDTW - EYW
1 stop27h 02mMultiple Airlines
dom. 12/2110:59 amEYW - DTW
1 stop14h 20mMultiple Airlines
Deal found 12/13$317
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
dom. 12/216:25 amDTW - EYW
1 stop26h 52mMultiple Airlines
lun. 12/2910:01 pmEYW - DTW
1 stop10h 50mMultiple Airlines
Deal found 12/13$318
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
dom. 12/216:25 amDTW - EYW
1 stop15h 12mMultiple Airlines
dom. 12/2810:37 pmEYW - DTW
1 stop10h 14mMultiple Airlines
Deal found 12/14$321
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
sáb. 12/204:42 pmDTW - EYW
2 stops15h 33mMultiple Airlines
lun. 12/2910:01 pmEYW - DTW
1 stop10h 50mMultiple Airlines
Deal found 12/13$328
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
dom. 12/216:25 amDTW - EYW
1 stop15h 12mMultiple Airlines
jue. 12/2510:59 amEYW - DTW
1 stop14h 20mMultiple Airlines
Deal found 12/13$331
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
sáb. 12/204:42 pmDTW - EYW
2 stops15h 33mMultiple Airlines
dom. 12/2810:37 pmEYW - DTW
1 stop10h 14mMultiple Airlines
Deal found 12/13$334
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
sáb. 12/204:42 pmDTW - EYW
2 stops15h 33mMultiple Airlines
jue. 12/2510:59 amEYW - DTW
1 stop14h 20mMultiple Airlines
Deal found 12/13$339

Find flight deals from Detroit to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$175
(Kiwi.com)

One-way from

$130
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$477
Provider with most accurate pricing for Detroit (DTT)-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Key West flights.
Search Deals
From Detroit (DTT) to Key West
Search Deals
One-way flight from Detroit (DTT) to Key West
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 diciembre 15, 2025.
Use the filters below to find and compare flights from Detroit to Key West that are best for you.

Fly from

Detroit

Fly to

Key West

Route

Depart

Return

Price

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

dom. 2/22

9:47 am-9:09 am

1 stop23h 22m

Key West

jue. 2/26

11:01 am-7:41 pm

1 stop8h 40m

$184

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

lun. 2/9

5:05 am-1:30 pm

2 stops8h 25m

Key West

jue. 2/12

11:01 am-7:41 pm

1 stop8h 40m

$214

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

mié. 2/11

2:36 pm-11:17 am

2 stops20h 41m

Key West

mié. 2/18

12:38 pm-9:54 am

1 stop21h 16m

$218

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

lun. 2/23

9:10 pm-12:21 pm

1 stop15h 11m

Key West

jue. 2/26

11:01 am-7:41 pm

1 stop8h 40m

$221

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

sáb. 2/7

9:10 pm-10:21 am

1 stop13h 11m

Key West

lun. 2/9

2:25 pm-11:59 pm

1 stop9h 34m

$224

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

sáb. 1/24

5:15 pm-9:26 am

1 stop16h 11m

Key West

sáb. 1/31

10:49 am-9:46 am

1 stop22h 57m

$228

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

vie. 2/6

9:10 pm-10:09 am

1 stop12h 59m

Key West

lun. 2/9

2:25 pm-10:08 pm

2 stops7h 43m

$240

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

mié. 2/18

8:37 pm-11:17 am

1 stop14h 40m

Key West

mar. 2/24

1:01 pm-9:46 am

1 stop20h 45m

$248

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

lun. 1/5

6:40 pm-11:20 am

1 stop16h 40m

Key West

vie. 1/9

2:25 pm-1:30 pm

2 stops23h 05m

$254

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

sáb. 1/10

8:37 am-1:48 pm

1 stop5h 11m

Key West

sáb. 1/17

7:10 am-12:58 pm

1 stop5h 48m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 18 results
1
2

Compare providers for flights from Detroit to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Key West in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Key West flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Key West

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

How far ahead should I book a flight from Detroit to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Key West. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Detroit to Key West, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Detroit to Key West (average of $165). Flying from Detroit to Key West in October is currently the most expensive (average of $362). 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 DTT to EYW?

Find hourly flight availability from Detroit 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 diciembre 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Detroit to Key West at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Detroit to Key West?

What’s the top layover airport for flights from Detroit to Key West?

Share of 1-stop round-trip flights from Detroit to Key West chosen by Cheapflights users in the past 12 months, using the same layover each way.

Fort Lauderdale (FLL) – chosen by Cheapflights users on 75% of 1-stop itineraries from Detroit to Key West on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Key West?

Average round-trip fare for 1-stop flights from Detroit to Key West, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $239.

What’s the fastest layover option from Detroit to Key West?

Shortest average travel time for 1-stop one-way flights from Detroit to Key West, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Fort Lauderdale (FLL) have the shortest average one-way travel time for 1-stop routes: 5h 45m.

Which airport typically offers the quickest layover for flights from Detroit to Key West?

Average layover duration for 1-stop one-way flights from Detroit to Key West, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 00m.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated diciembre 15, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Detroit to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Spirit Airlines
6.3
Okay
8,186 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Detroit 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 are the cheapest airlines flying from Detroit to Key West round-trip?

    Cheapflights users have booked flights from Detroit to Key West round-trip from $110. Other airlines that can offer you cheap pricing are Delta, from $249, and United Airlines, from $268. You may be able to fly from Detroit to Key West for 78% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Detroit to Key West (average of $165). Flying from Detroit to Key West in October is currently the most expensive (average of $362). 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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Top 4 airlines flying from Detroit to Key West

Discover the top 4 airlines that operate flights from Detroit 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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$248FlexibilityNo cancel feeOn-time65%
DeltaCheapest$259Average$618FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$270Average$559FlexibilityNo cancel feeOn-time71%

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