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Key West

$122+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — EYW
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
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 July 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 9/1511:28 am
DTW
-
EYW
1 stop21h 56m
Multiple Airlines
Fri 9/1812:59 pm
EYW
-
DTW
1 stop20h 48m
Multiple Airlines
Deal found 7/29$174
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 9/76:58 pm
DTW
-
EYW
1 stop17h 36m
Multiple Airlines
Fri 9/1112:59 pm
EYW
-
DTW
1 stop20h 48m
Multiple Airlines
Deal found 7/27$208
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:40 pm
DTW
-
EYW
1 stop21h 26m
Multiple Airlines
Tue 9/11:14 pm
EYW
-
DTW
2 stops20h 06m
Multiple Airlines
Deal found 7/26$217
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:40 pm
DTW
-
EYW
1 stop21h 26m
Multiple Airlines
Thu 8/2011:04 am
EYW
-
DTW
2 stops14h 00m
Multiple Airlines
Deal found 7/28$227
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:00 am
DTW
-
EYW
2 stops30h 34m
Multiple Airlines
Mon 8/3112:07 pm
EYW
-
DTW
1 stop20h 47m
Multiple Airlines
Deal found 7/27$230
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/66:58 pm
DTW
-
EYW
1 stop17h 33m
Multiple Airlines
Sat 9/1210:04 am
EYW
-
DTW
2 stops14h 38m
Multiple Airlines
Deal found 7/24$241
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/243:38 pm
DTW
-
EYW
2 stops19h 43m
Multiple Airlines
Thu 10/298:36 pm
EYW
-
DTW
1 stop14h 41m
Multiple Airlines
Deal found 7/24$246
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 10/2310:42 am
DTW
-
EYW
1 stop22h 42m
Multiple Airlines
Wed 10/2810:04 am
EYW
-
DTW
2 stops28h 35m
Multiple Airlines
Deal found 7/24$247
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 10/2310:42 am
DTW
-
EYW
1 stop22h 42m
Multiple Airlines
Thu 10/2912:01 pm
EYW
-
DTW
2 stops26h 38m
Multiple Airlines
Deal found 7/24$251

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$208
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$510
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 ($37 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 July 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 July 29, 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
Quickest round-trip

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 10/24

2:30 pm-7:51 pm

1 stop5h 21m

Key West

Wed 10/28

6:11 pm-11:54 pm

1 stop5h 43m

$343

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 10/26

5:20 am-10:48 am

1 stop5h 28m

Key West

Mon 11/2

6:11 pm-12:53 am

1 stop6h 42m

$387

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/2

6:00 am-3:06 pm

2 stops9h 06m

Key West

Wed 12/9

4:05 pm-11:52 pm

1 stop7h 47m

$405

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Fri 8/14

12:20 pm-7:57 pm

1 stop7h 37m

Key West

Fri 8/21

6:15 pm-12:59 am

1 stop6h 44m

$475

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Thu 12/3

6:00 am-3:06 pm

2 stops9h 06m

Key West

Wed 12/9

2:30 pm-11:59 pm

2 stops9h 29m

$486

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 1/4

7:00 am-2:23 pm

1 stop7h 23m

Key West

Fri 1/8

6:20 pm-6:51 pm

1 stop24h 31m

$586

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Fri 12/18

5:35 am-12:34 pm

1 stop6h 59m

Key West

Mon 12/21

3:50 pm-12:03 am

1 stop8h 13m

$629

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 10/24

6:00 am-2:18 pm

2 stops8h 18m

Key West

Mon 11/2

2:50 pm-10:18 am

2 stops19h 28m

$643

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sun 10/18

5:20 am-10:47 am

1 stop5h 27m

Key West

Sun 10/25

6:10 pm-12:58 am

1 stop6h 48m

$680
Cheapest one-way

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 10/24

6:50 am-11:21 am

2 stops28h 31m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 15 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 July.
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 $208 on Multiple Airlines (Sep 7-Sep 11).

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 July 29, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
8,486 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

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
8,486 reviews
Delta
7.8
Good
8,486 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

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.
United Airlines
7.4
Good
10,052 reviews
Delta
7.8
Good
8,486 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

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
11,839 reviews
Delta
7.8
Good
8,486 reviews

Crew

8.5

Food

7.2

Comfort

7.8

Overall

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 21m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 1223 mi. This flight may include one or multiple stops.

  • 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 $247. Other airlines that can offer you cheap pricing are American Airlines, from $268, and United Airlines, from $268. You may be able to fly from Detroit to Key West for 48% 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$495FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$443FlexibilityNo cancel feeOn-time71%

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