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Key Largo

$57+ Cheap flights from Detroit (DTT) to Key Largo, FL

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — MIA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to Key Largo are usually found in September or April, booked 84 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from Detroit to Key Largo

Keep the following information in mind while searching for Detroit to Key Largo flight deals. Data was last updated September 16, 2025.

Round-trip from

$115
(Cheapflightsfares)

One-way from

$57
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$179
From Detroit (DTT) to Key Largo
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One-way flight from Detroit (DTT) to Key Largo
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Highest demand for flights based on searches. 16% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Detroit to Key Largo

Cheapest flights from Detroit to Key Largo
Explore the most affordable flight options available from Detroit to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Thu 10/25:20 pmDTW - MIA
1 stop5h 57mSpirit Airlines
Sat 10/43:50 pmMIA - DTW
1 stop6h 39mSpirit Airlines
Deal found 9/16$114
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:57 pmDTW - MIA
1 stop8h 20mSpirit Airlines
Fri 10/104:58 pmMIA - DTW
Nonstop3h 02mSpirit Airlines
Deal found 9/14$115
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Thu 12/47:00 amDTW - MIA
Nonstop3h 05mSpirit Airlines
Sun 12/711:00 amMIA - DTW
Nonstop3h 09mSpirit Airlines
Deal found 9/15$117
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:17 amDTW - MIA
Nonstop3h 02mSpirit Airlines
Sat 10/254:58 pmMIA - DTW
Nonstop3h 02mSpirit Airlines
Deal found 9/14$118
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/107:00 amDTW - MIA
Nonstop3h 05mSpirit Airlines
Tue 11/1111:00 amMIA - DTW
Nonstop3h 09mSpirit Airlines
Deal found 9/15$121
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/187:22 amDTW - MIA
1 stop10h 19mSpirit Airlines
Thu 10/234:58 pmMIA - DTW
Nonstop3h 02mSpirit Airlines
Deal found 9/14$122
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/36:17 amDTW - MIA
Nonstop3h 02mSpirit Airlines
Sat 11/811:00 amMIA - DTW
Nonstop3h 09mSpirit Airlines
Deal found 9/15$124
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Mon 10/136:17 amDTW - MIA
Nonstop3h 02mSpirit Airlines
Mon 10/204:58 pmMIA - DTW
Nonstop3h 02mSpirit Airlines
Deal found 9/15$125
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/155:23 pmDTW - MIA
1 stop5h 47mSpirit Airlines
Sat 10/184:58 pmMIA - DTW
Nonstop3h 02mSpirit Airlines
Deal found 9/13$126
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/136:17 amDTW - MIA
Nonstop3h 02mMultiple Airlines
Mon 10/205:15 amMIA - DTW
1 stop27h 01mMultiple Airlines
Deal found 9/15$128
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:57 pmDTW - MIA
1 stop8h 20mMultiple Airlines
Mon 10/69:28 amMIA - DTW
1 stop5h 18mMultiple Airlines
Deal found 9/15$129

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Key Largo 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 September 16, 2025.
Use the filters below to find and compare flights from Detroit to Key Largo that are best for you.

Fly from

Detroit

Fly to

Key Largo

Route

Depart

Return

Price

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 11/12

6:10 am-12:50 pm

1 stop6h 40m

Miami

Wed 11/19

7:40 am-2:45 pm

1 stop7h 05m

$179

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 12/10

6:31 pm-9:42 pm

Nonstop3h 11m

Miami

Tue 12/23

8:10 am-11:13 am

Nonstop3h 03m

$185

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Mon 11/24

6:25 pm-9:31 pm

Nonstop3h 06m

Miami

Thu 11/27

8:05 am-11:09 am

Nonstop3h 04m

$217

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sun 12/14

6:31 pm-9:42 pm

Nonstop3h 11m

Miami

Sun 12/21

8:10 am-11:13 am

Nonstop3h 03m

$228

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 10/1

6:20 pm-9:22 pm

Nonstop3h 02m

Miami

Sun 10/5

8:10 am-11:04 am

Nonstop2h 54m

$239

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Tue 9/30

8:30 am-11:30 am

Nonstop3h 00m

Miami

Sun 10/5

8:10 am-11:04 am

Nonstop2h 54m

$239

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sun 12/14

5:35 am-10:55 am

1 stop5h 20m

Miami

Fri 12/19

6:30 am-11:40 am

1 stop5h 10m

$248

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 11/20

6:25 pm-9:31 pm

Nonstop3h 06m

Miami

Mon 11/24

8:05 am-11:09 am

Nonstop3h 04m

$249

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 11/27

6:05 am-2:15 pm

1 stop8h 10m

Miami

Wed 12/3

1:30 pm-10:40 pm

2 stops9h 10m

$254

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 10/16

6:30 pm-9:27 pm

Nonstop2h 57m

Miami

Tue 10/21

8:30 am-11:30 am

Nonstop3h 00m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 results
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Best time to book a flight from Detroit to Key Largo

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

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

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

The best time to book flights from Detroit to Key Largo is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Detroit to Key Largo (average of $232). Flying from Detroit to Key Largo in March is currently the most expensive (average of $289). 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 KE9?

Find hourly flight availability from Detroit to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Key Largo as you normally would.

What is the cheapest day to fly from Detroit to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Detroit to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit to Key Largo

Explore weekly flight availability from Detroit to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

The most flights from DTT to KE9 are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

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

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Largo. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Detroit to Key Largo, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Detroit to Key Largo. 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 Detroit to Key Largo?

    Most people fly from Detroit All airports (DTT) if they book a flight from Detroit to Key Largo. On average, All airports has 12 outbound flights to Key Largo per day from 6 airlines. Detroit All airports is conveniently located just 0.6 mi from Detroit’s city center.

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

    A quick flight from Detroit to Key Largo can take about 3h 11m. Southwest provides one of the quickest options available for as low as $185. Airlines will cover a distance of 1147 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Detroit to Key Largo?

    No one likes to see their flight delayed. When booking a flight from Detroit to Key Largo consider choosing GOL (100%), American Airlines (92%) or Qatar Airways (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit to Key Largo?

    Looking at all options, your cheapest flight can be booked for $72. While the most popular route (Detroit Metropolitan Wayne County - Miami) can be booked for $105 on average, our data indicates $558 when flying from Detroit to Key Largo.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Detroit to Key Largo (average of $232). Flying from Detroit to Key Largo in March is currently the most expensive (average of $289). 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 6 airlines flying from Detroit to Key Largo

Discover the top 6 airlines that operate flights from Detroit to Key Largo. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$201FlexibilityNo cancel feeOn-time65%
FrontierCheapest$91Average$176FlexibilityNo cancel feeOn-time62%
DeltaCheapest$163Average$438FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$178Average$448FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$217Average$472FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$244Average$379FlexibilityNo cancel feeOn-time69%

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