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Key West

$126+ Cheap flights from Detroit to Key West (DTT - EYW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — EYW
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
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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 August 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:42 am -
1 stop24h 39m
Fri 9/1812:59 pm -
1 stop20h 48m
Deal found 8/4$126
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/1511:28 am -
1 stop21h 56m
Fri 9/1812:59 pm -
1 stop20h 48m
Deal found 8/6$165
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:40 pm -
1 stop19h 44m
Sat 9/1210:04 am -
1 stop24h 39m
Deal found 8/5$187
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/51:35 pm -
2 stops29h 38m
Thu 9/106:11 pm -
1 stop17h 24m
Deal found 8/7$212
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/261:31 pm -
1 stop21h 50m
Sat 10/310:04 am -
2 stops14h 38m
Deal found 8/8$216

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 August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$126
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$519
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
Highest demand for flights based on searches. 7% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 9, 2026.
Use the filters below to find and compare flights from Detroit to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Fri 10/9

10:42 am-9:02 am

1 stop22h 20m

Key West

Tue 10/13

1:16 pm-9:47 am

1 stop20h 31m

$252

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sun 9/20

11:28 am-12:19 pm

1 stop24h 51m

Key West

Sun 9/27

12:01 pm-12:05 pm

2 stops48h 04m

$338

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Wed 10/14

5:20 am-10:47 am

1 stop5h 27m

Key West

Mon 10/19

6:10 pm-11:53 pm

1 stop5h 43m

$405

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 8/22

8:25 am-2:52 pm

1 stop6h 27m

Key West

Tue 8/25

11:48 am-5:19 pm

1 stop5h 31m

$439

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 9/5

2:59 pm-7:57 pm

1 stop4h 58m

Key West

Tue 9/8

6:19 pm-12:54 am

1 stop6h 35m

$466

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Fri 9/25

11:28 am-9:24 am

1 stop21h 56m

Key West

Sun 9/27

10:59 am-4:37 pm

1 stop5h 38m

$540

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Wed 9/30

6:00 am-10:57 am

1 stop4h 57m

Key West

Sun 10/4

11:30 am-10:32 pm

2 stops11h 02m

$573
Quickest round-trip

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Thu 8/20

5:20 am-10:50 am

1 stop5h 30m

Key West

Tue 8/25

6:15 pm-11:46 pm

1 stop5h 31m

$574

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Wed 11/4

6:35 am-5:15 pm

2 stops10h 40m

Key West

Wed 11/11

10:18 am-6:52 pm

2 stops8h 34m

$577
Cheapest one-way

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Wed 9/9

6:46 pm-10:19 am

1 stop15h 33m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 17 resultsSorted by cheapest first
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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Key West flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Currently, January is the cheapest month in which you can book a flight from Detroit to Key West (average of $362). Flying from Detroit to Key West in March is currently the most expensive (average of $514). 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.

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

Airfare is below average for this route at the moment.
Detroit to Key West flights typically cost between $474 and $559 in September.
The cheapest round-trip price found within the last 5 days was $126 on Multiple Airlines (Sep 12-Sep 18).

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

To ensure you get the cheapest price possible for a flight from Detroit to Key West, you should look to book at least 54 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.

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 August 9, 2026.
Peruse reviews from past customers who have flown with Delta 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
7.8
Good
8,497 reviews

Crew

8.5

Overall

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,497 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Overall

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
American Airlines
7.1
Good
11,892 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Overall

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

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.

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

    There are many flights that can get you from Detroit to Key West in 5h 27m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1223 mi.

  • 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 $268. Other airlines that can offer you cheap pricing are Delta, from $268, and United Airlines, from $268. You may be able to fly from Detroit to Key West for 44% 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, January is the cheapest month in which you can book a flight from Detroit to Key West (average of $362). Flying from Detroit to Key West in March is currently the most expensive (average of $514). 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 3 airlines flying from Detroit to Key West

Discover the top 3 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 August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$411FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$496FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$446FlexibilityNo cancel feeOn-time71%

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