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Key Largo

$78+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — MIA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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 Tuesday 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 November 2, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$129
(Expedia)

One-way from

$78
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$328
Provider with most accurate pricing for Detroit (DTT)-Miami flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Miami flights.
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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. 17% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 2, 2025.

This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:15 amDTW - MIA
1 stop9h 59mMultiple Airlines
Wed 12/1712:17 pmMIA - DTW
Nonstop3h 17mMultiple Airlines
Deal found 11/2$127
This Expedia deal was found by Cheapflights users on 11/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:12 pmDTW - MIA
1 stop6h 59mSpirit Airlines
Fri 11/2110:45 amMIA - DTW
1 stop12h 35mSpirit Airlines
Deal found 11/1$129
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/249:01 amDTW - MIA
1 stop8h 08mFrontier
Wed 11/2610:57 amMIA - DTW
Nonstop3h 09mFrontier
Deal found 11/2$130
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 11/151:59 pmDTW - MIA
1 stop8h 18mSpirit Airlines
Sun 11/2311:19 amMIA - DTW
Nonstop3h 10mSpirit Airlines
Deal found 11/1$131
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 11/277:10 amDTW - MIA
Nonstop3h 14mSpirit Airlines
Thu 12/412:17 pmMIA - DTW
Nonstop3h 17mSpirit Airlines
Deal found 10/31$132
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/310:47 amDTW - MIA
1 stop8h 38mMultiple Airlines
Mon 12/87:00 amMIA - DTW
Nonstop3h 12mMultiple Airlines
Deal found 10/31$133
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 11/151:59 pmDTW - MIA
1 stop8h 18mSpirit Airlines
Sat 11/226:00 amMIA - DTW
1 stop5h 36mSpirit Airlines
Deal found 11/1$134
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 12/44:39 pmDTW - MIA
Nonstop3h 09mSpirit Airlines
Tue 12/92:10 pmMIA - DTW
1 stop9h 59mSpirit Airlines
Deal found 10/31$135
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:59 pmDTW - MIA
1 stop8h 18mSpirit Airlines
Mon 11/175:27 pmMIA - DTW
2 stops21h 48mSpirit Airlines
Deal found 10/31$136
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:15 amDTW - MIA
1 stop9h 59mFrontier
Fri 12/1212:10 pmMIA - DTW
1 stop7h 10mFrontier
Deal found 11/2$138
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 11/173:12 pmDTW - MIA
1 stop6h 59mSpirit Airlines
Mon 11/2412:28 pmMIA - DTW
1 stop6h 13mSpirit Airlines
Deal found 11/1$139

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 November 2, 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

Tue 12/2

6:38 pm-9:50 pm

Nonstop3h 12m

Miami

Tue 12/9

5:33 pm-8:53 pm

Nonstop3h 20m

$159

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 12/4

6:38 pm-9:50 pm

Nonstop3h 12m

Miami

Tue 12/9

5:33 pm-8:53 pm

Nonstop3h 20m

$194

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 11/19

1:26 pm-4:31 pm

Nonstop3h 05m

Miami

Tue 12/2

8:10 am-11:15 am

Nonstop3h 05m

$204

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Tue 11/25

7:54 am-11:05 am

Nonstop3h 11m

Miami

Tue 12/2

5:33 pm-8:53 pm

Nonstop3h 20m

$237

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Mon 12/15

7:00 am-1:05 pm

1 stop6h 05m

Miami

Sun 12/21

6:30 am-11:40 am

1 stop5h 10m

$293

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 12/4

6:38 pm-9:50 pm

Nonstop3h 12m

Miami

Mon 12/8

8:10 am-11:15 am

Nonstop3h 05m

$313

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Fri 1/30

6:22 pm-9:37 pm

Nonstop3h 15m

Miami

Sun 2/8

7:15 am-1:02 pm

1 stop5h 47m

$314

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Tue 12/2

6:38 pm-9:50 pm

Nonstop3h 12m

Miami

Fri 12/5

5:33 pm-8:53 pm

Nonstop3h 20m

$317

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Tue 12/16

6:38 pm-9:50 pm

Nonstop3h 12m

Miami

Sat 12/20

6:00 pm-7:26 am

1 stop13h 26m

$318

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Fri 12/5

6:38 pm-9:50 pm

Nonstop3h 12m

Miami

Tue 12/9

8:10 am-11:15 am

Nonstop3h 05m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
1
2
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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 October 31, 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, October is the cheapest month in which you can book a flight from Detroit to Key Largo (average of $59). Flying from Detroit to Key Largo in December is currently the most expensive (average of $131). 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 November 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Detroit to Key Largo in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the afternoon.

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 evenings when fares are most often at their lowest. Friday 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 November 2, 2025.

The most flights from DTT to KE9 are scheduled on a Friday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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 November 2, 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
4,240 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
11,034 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
8,120 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
3,118 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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 10 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 12m. Delta provides one of the quickest options available for as low as $159. 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 Royal Jordanian (100%), Spirit Airlines (99%) or American Airlines (95%) 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 $71. While the most popular route (Detroit Metropolitan Wayne County - Miami) can be booked for $73 on average, our data indicates $569 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, October is the cheapest month in which you can book a flight from Detroit to Key Largo (average of $59). Flying from Detroit to Key Largo in December is currently the most expensive (average of $131). 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$84Average$205FlexibilityNo cancel feeOn-time65%
FrontierCheapest$90Average$237FlexibilityNo cancel feeOn-time62%
DeltaCheapest$163Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$178Average$433FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$204Average$356FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$215Average$473FlexibilityNo cancel feeOn-time71%

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