HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$57+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — MIA
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Key Largo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Key Largo are usually found in September or October, booked 29 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 16, 2025.

This CheapOair deal was found by Cheapflights users on 12/14. 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.
Mon 12/154:39 pmDTW - MIA
Nonstop3h 09mSpirit Airlines
Wed 1/79:26 pmMIA - DTW
Nonstop3h 16mSpirit Airlines
Deal found 12/14$111
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/154:39 pmDTW - MIA
Nonstop3h 09mMultiple Airlines
Fri 1/93:00 pmMIA - DTW
Nonstop3h 12mMultiple Airlines
Deal found 12/13$116
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/312:43 pmDTW - MIA
Nonstop3h 11mMultiple Airlines
Tue 1/69:59 pmMIA - DTW
1 stop10h 08mMultiple Airlines
Deal found 12/15$131
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:23 pmDTW - MIA
Nonstop3h 08mMultiple Airlines
Mon 1/127:00 amMIA - DTW
1 stop7h 30mMultiple Airlines
Deal found 12/16$146
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/312:43 pmDTW - MIA
Nonstop3h 11mMultiple Airlines
Wed 12/319:26 pmMIA - DTW
Nonstop3h 16mMultiple Airlines
Deal found 12/15$149
This Priceline deal was found by Cheapflights users on 12/15. 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.
Tue 12/2312:15 pmDTW - MIA
1 stop9h 44mFrontier
Wed 12/2410:32 amMIA - DTW
Nonstop3h 12mFrontier
Deal found 12/15$150
This eDestinos deal was found by Cheapflights users on 12/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:30 pmDTW - MIA
Nonstop3h 09mSpirit Airlines
Tue 1/69:59 pmMIA - DTW
1 stop10h 08mSpirit Airlines
Deal found 12/14$154

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 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$103
(Frontier)

One-way from

$57
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$324
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 Metropolitan Wayne County to Key Largo
Search Deals
One-way flight from Detroit Metropolitan Wayne County to Key Largo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 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 16, 2025.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport 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

Sun 2/1

6:44 pm-10:03 pm

Nonstop3h 19m

Miami

Sat 2/7

8:05 am-11:13 am

Nonstop3h 08m

$159

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 1/22

6:44 pm-10:03 pm

Nonstop3h 19m

Miami

Wed 1/28

12:02 pm-3:17 pm

Nonstop3h 15m

$159

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sun 1/18

2:10 pm-11:20 pm

1 stop9h 10m

Miami

Sat 1/24

7:15 am-7:35 pm

2 stops12h 20m

$216

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sat 2/28

4:45 pm-10:15 pm

1 stop5h 30m

Miami

Tue 3/3

6:55 am-3:05 pm

2 stops8h 10m

$224

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sun 2/8

6:44 pm-10:03 pm

Nonstop3h 19m

Miami

Sat 2/14

8:05 am-11:13 am

Nonstop3h 08m

$229

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sat 3/7

12:06 pm-6:16 pm

1 stop6h 10m

Miami

Mon 3/16

8:30 pm-11:41 pm

Nonstop3h 11m

$246

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Wed 2/11

5:25 am-11:20 am

1 stop5h 55m

Miami

Wed 2/11

12:55 pm-9:00 pm

1 stop8h 05m

$276

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Sat 1/24

6:44 pm-10:03 pm

Nonstop3h 19m

Miami

Fri 1/30

8:05 am-11:13 am

Nonstop3h 08m

$278

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 2/26

5:30 am-1:50 pm

1 stop8h 20m

Miami

Sun 3/1

5:55 am-6:15 pm

2 stops12h 20m

$289

DetroitMiami

DTW - MIA

DTWMIA

Detroit Metropolitan Wayne County

Thu 2/5

12:30 pm-10:25 pm

2 stops9h 55m

Miami

Mon 2/9

6:30 am-3:30 pm

2 stops9h 00m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 23 results
1
2
3

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 Metropolitan Wayne County Airport to Key Largo

How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport 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 12, 2025.

To ensure you get the cheapest price possible for a flight from Detroit Metropolitan Wayne County Airport to Key Largo, you should look to book at least 29 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.

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Key Largo?

Currently, October is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Key Largo (average of $57). Flying from Detroit Metropolitan Wayne County Airport 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 DTW 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 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport 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.

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport 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 16, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Detroit Metropolitan Wayne County Airport to Key Largo 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.
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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
8,186 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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
3,082 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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?

    Detroit Metropolitan Wayne County (DTW), located 17.3 mi from the city center, is the airport you fly out of when you book flights from Detroit to Key Largo. 7 airlines have flights from Detroit Metropolitan Wayne County to Key Largo on a regular basis. Booking flights from Detroit Metropolitan Wayne County to Key Largo should not be difficult; the airport handles an average of 7 outbound flights to Key Largo per day.

  • How long is the flight from Detroit Metropolitan Wayne County Airport to Key Largo?

    Delta and Southwest can get you from Detroit Metropolitan Wayne County Airport to Key Largo in just under 3h 19m. Your travel time can differ by up to 2h 11m. There are 1147 mi between Detroit Metropolitan Wayne County Airport and Key Largo. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to Key Largo one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $50. Frontier flights start at $54 while deals on American Airlines start at $118 one-way.

  • What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Key Largo?

    No one likes to see their flight delayed. When booking a flight from Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport to Key Largo?

    The cheapest flight price from Detroit Metropolitan Wayne County Airport to Key Largo is $54. On average you can expect to pay $657. The most popular route, (Detroit Metropolitan Wayne County - Miami), can usually be booked for $65.

  • 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 Metropolitan Wayne County Airport to Key Largo?

    Currently, October is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Key Largo (average of $57). Flying from Detroit Metropolitan Wayne County Airport 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 16, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.