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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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — MIA
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
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 October, booked 84 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap 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 December 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/312:43 pmDTW - MIA
Nonstop3h 11mMultiple Airlines
Wed 12/319:26 pmMIA - DTW
Nonstop3h 16mMultiple Airlines
Deal found 12/21$137
This Priceline deal was found by Cheapflights users on 12/20. 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.
Wed 12/3110:12 amDTW - MIA
1 stop6h 10mMultiple Airlines
Wed 1/79:26 pmMIA - DTW
Nonstop3h 16mMultiple Airlines
Deal found 12/20$144
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/3110:12 amDTW - MIA
1 stop6h 10mMultiple Airlines
Tue 1/69:59 pmMIA - DTW
1 stop10h 08mMultiple Airlines
Deal found 12/20$172
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/295:23 pmDTW - MIA
Nonstop3h 08mMultiple Airlines
Fri 1/93:00 pmMIA - DTW
Nonstop3h 12mMultiple Airlines
Deal found 12/21$177
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Wed 12/315:23 pmDTW - MIA
Nonstop3h 08mSpirit Airlines
Mon 1/59:59 pmMIA - DTW
1 stop10h 08mSpirit Airlines
Deal found 12/21$182
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/3110:12 amDTW - MIA
1 stop6h 10mMultiple Airlines
Mon 1/59:59 pmMIA - DTW
1 stop10h 08mMultiple Airlines
Deal found 12/20$185

Find 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 December 22, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$103
(Kiwi.com)

One-way from

$57
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$349
Provider with most accurate pricing for Detroit (DTT)-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Miami flights.
Search Deals
From Detroit (DTT) to Key Largo
Search Deals
One-way flight from Detroit (DTT) to Key Largo
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 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 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 December 22, 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 1/21

2:28 pm-5:45 pm

Nonstop3h 17m

Miami

Sat 2/7

8:05 am-11:13 am

Nonstop3h 08m

$179

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Tue 1/20

2:28 pm-5:45 pm

Nonstop3h 17m

Miami

Thu 2/5

8:05 am-11:13 am

Nonstop3h 08m

$179

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sun 2/1

5:10 am-5:10 pm

1 stop12h 00m

Miami

Sat 2/7

7:00 am-12:15 pm

1 stop5h 15m

$204

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sat 1/24

6:44 pm-10:03 pm

Nonstop3h 19m

Miami

Tue 2/3

8:05 am-11:13 am

Nonstop3h 08m

$209

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Mon 2/2

1:40 pm-10:00 pm

2 stops8h 20m

Miami

Sat 2/7

7:00 am-12:15 pm

1 stop5h 15m

$264

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 2/25

6:25 am-1:35 pm

1 stop7h 10m

Miami

Sun 3/1

5:55 am-6:15 pm

2 stops12h 20m

$279

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sat 1/17

6:22 pm-9:37 pm

Nonstop3h 15m

Miami

Wed 1/21

8:05 am-11:13 am

Nonstop3h 08m

$286

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 1/21

2:28 pm-5:45 pm

Nonstop3h 17m

Miami

Mon 2/2

8:05 am-11:13 am

Nonstop3h 08m

$288

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Mon 2/2

3:45 pm-9:00 pm

1 stop5h 15m

Miami

Mon 2/9

7:35 am-8:25 pm

2 stops12h 50m

$290

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 1/21

6:44 pm-10:03 pm

Nonstop3h 19m

Miami

Sun 2/1

5:50 am-11:01 am

1 stop5h 11m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 22 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 December 19, 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 $57). Flying from Detroit to Key Largo in June is currently the most expensive (average of $123). 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 December 22, 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 28% 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. 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 December 22, 2025.

The most flights from DTT to KE9 are scheduled on a Friday (16 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 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 December 22, 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
4,254 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,192 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,078 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 11 outbound flights to Key Largo per day from 7 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 17m. Delta provides one of the quickest options available for as low as $179. 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 cheapest airlines to fly from Detroit to Key Largo one-way?

    The cheapest airlines for a one-way flight from Detroit to Key Largo are Frontier ($50), Spirit Airlines ($50), and American Airlines ($118).

  • 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 Spirit Airlines (85%), Royal Jordanian (82%) or LATAM Airlines (79%) 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 $69. While the most popular route (Detroit Metropolitan Wayne County - Miami) can be booked for $64 on average, our data indicates $626 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 $57). Flying from Detroit to Key Largo in June is currently the most expensive (average of $123). 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 7 airlines flying from Detroit to Key Largo

Discover the top 7 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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$220FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$84Average$226FlexibilityNo cancel feeOn-time65%
DeltaCheapest$164Average$417FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$176Average$301FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$178Average$400FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$204Average$360FlexibilityNo cancel feeOn-time69%

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