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Cheap flights from Detroit to Key West from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Key West departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
6:12 pm - 8:15 amDTW-EYW
14h 03m1 stop
Multiple Airlines Logo
12:20 pm - 9:56 pmEYW-DTW
9h 36m1 stop
$177Multiple Airlines
Find Deal
Sat, Dec 13 - Thu, Dec 18
Multiple Airlines Logo
3:14 pm - 12:26 pmDTW-EYW
21h 12m1 stop
Multiple Airlines Logo
10:49 am - 9:46 amEYW-DTW
22h 57m1 stop
$180Multiple Airlines
Find Deal
Sun, Jan 25 - Wed, Jan 28
Multiple Airlines Logo
6:12 pm - 8:15 amDTW-EYW
14h 03m1 stop
Multiple Airlines Logo
8:55 am - 5:35 pmEYW-DTW
8h 40m1 stop
$182Multiple Airlines
Find Deal
Sat, Dec 13 - Thu, Dec 18
Multiple Airlines Logo
6:12 pm - 8:15 amDTW-EYW
14h 03m1 stop
Multiple Airlines Logo
8:55 am - 4:28 pmEYW-DTW
7h 33m1 stop
$183Multiple Airlines
Find Deal
Sat, Dec 13 - Thu, Dec 18
Multiple Airlines Logo
7:42 pm - 8:15 amDTW-EYW
12h 33m1 stop
Multiple Airlines Logo
11:45 am - 9:14 amEYW-DTW
21h 29m1 stop
$188Multiple Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
Multiple Airlines Logo
9:10 pm - 10:09 amDTW-EYW
12h 59m1 stop
Multiple Airlines Logo
1:06 pm - 9:53 amEYW-DTW
20h 47m1 stop
$191Multiple Airlines
Find Deal
Fri, Feb 6 - Fri, Feb 13
Multiple Airlines Logo
1:43 pm - 1:30 pmDTW-EYW
23h 47m1 stop
Multiple Airlines Logo
12:15 pm - 10:02 pmEYW-DTW
9h 47m1 stop
$193Multiple Airlines
Find Deal
Sun, Feb 8 - Thu, Feb 12
Multiple Airlines Logo
11:19 am - 8:15 amDTW-EYW
20h 56m2 stops
Multiple Airlines Logo
11:45 am - 9:14 amEYW-DTW
21h 29m1 stop
$195Multiple Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Multiple Airlines Logo
11:19 am - 8:15 amDTW-EYW
20h 56m2 stops
Multiple Airlines Logo
11:45 am - 9:14 amEYW-DTW
21h 29m1 stop
$196Multiple Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Multiple Airlines Logo
2:50 pm - 11:20 amDTW-EYW
20h 30m2 stops
Multiple Airlines Logo
11:45 am - 9:14 amEYW-DTW
21h 29m1 stop
$197Multiple Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16

Spirit Airlines flights from Detroit to Key West

Our best Spirit Airlines deals on Detroit to Key West flight tickets
Spirit Airlines
Dec 21
DTW6:00 amDetroit Metropolitan Wayne County
5h 20m
1 stop
EYW11:20 amKey West
Dec 23
EYW12:20 pmKey West
7h 14m
1 stop
DTW7:34 pmDetroit Metropolitan Wayne County
$237
Find similar
Spirit Airlines
Dec 22
DTW6:00 amDetroit Metropolitan Wayne County
7h 30m
1 stop
EYW1:30 pmKey West
Jan 7
EYW2:30 pmKey West
10h 49m
2 stops
DTW1:19 amDetroit Metropolitan Wayne County
$241
Find similar
Spirit Airlines
Jan 17
DTW10:08 pmDetroit Metropolitan Wayne County
13h 12m
2 stops
EYW11:20 amKey West
Jan 22
EYW12:15 pmKey West
21h 31m
2 stops
DTW9:46 amDetroit Metropolitan Wayne County
$244
Find similar

American Airlines flights from Detroit to Key West

Our best American Airlines deals on Detroit to Key West flight tickets
American Airlines
Dec 3
DTW2:10 pmDetroit Metropolitan Wayne County
8h 57m
2 stops
EYW11:07 pmKey West
Dec 9
EYW4:10 pmKey West
7h 46m
1 stop
DTW11:56 pmDetroit Metropolitan Wayne County
$344
Find similar
American Airlines
Dec 3
DTW11:09 amDetroit Metropolitan Wayne County
8h 26m
2 stops
EYW7:35 pmKey West
Dec 9
EYW7:00 amKey West
9h 06m
2 stops
DTW4:06 pmDetroit Metropolitan Wayne County
$349
Find similar
American Airlines
Nov 24
DTW8:30 amDetroit Metropolitan Wayne County
8h 36m
2 stops
EYW5:06 pmKey West
Nov 28
EYW4:55 pmKey West
6h 55m
1 stop
DTW11:50 pmDetroit Metropolitan Wayne County
$351
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 20, 2025.
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

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/13

6:12 pm-8:15 am

1 stop14h 03m

Key West

Thu 12/18

12:20 pm-9:56 pm

1 stop9h 36m

$177

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sun 1/25

3:14 pm-12:26 pm

1 stop21h 12m

Key West

Wed 1/28

10:49 am-9:46 am

1 stop22h 57m

$180

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/13

6:12 pm-8:15 am

1 stop14h 03m

Key West

Thu 12/18

8:55 am-5:35 pm

1 stop8h 40m

$182

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/13

6:12 pm-8:15 am

1 stop14h 03m

Key West

Thu 12/18

8:55 am-4:28 pm

1 stop7h 33m

$183

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/10

7:42 pm-8:15 am

1 stop12h 33m

Key West

Tue 12/16

11:45 am-9:14 am

1 stop21h 29m

$188

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Fri 2/6

9:10 pm-10:09 am

1 stop12h 59m

Key West

Fri 2/13

1:06 pm-9:53 am

1 stop20h 47m

$191

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sun 2/8

1:43 pm-1:30 pm

1 stop23h 47m

Key West

Thu 2/12

12:15 pm-10:02 pm

1 stop9h 47m

$193

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/6

11:19 am-8:15 am

2 stops20h 56m

Key West

Tue 12/9

11:45 am-9:14 am

1 stop21h 29m

$195

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/6

11:19 am-8:15 am

2 stops20h 56m

Key West

Tue 12/9

11:45 am-9:14 am

1 stop21h 29m

$196

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/10

2:50 pm-11:20 am

2 stops20h 30m

Key West

Tue 12/16

11:45 am-9:14 am

1 stop21h 29m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Detroit to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and Key West?

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Detroit to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $377. If you are unable to visit Key West during the month of September, then departing from Detroit during the month July is also very affordable. Most momondo users find prices during this month for around $432.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Detroit is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $556. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Detroit to Key West for around $743.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the evening. momondo users have found flights departing from Detroit to Key West in the evening for as low as $533. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the afternoon, with an average ticket price of $658. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $527 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Detroit for as low as $315 on momondo.

When to book flights from Detroit to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Key West (DTT to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Key West

Direct flights

None
There are no direct flights from Detroit to Key West. There are no popular flight routes from Detroit to Key West.
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  • How far is Detroit to Key West by plane?

    A flight from Detroit to Key West will travel around 1229.9 mi. In terms of flight time, this usually takes a little over 5h 20m.

  • When did momondo last update prices for flights from Detroit to Key West Airport?

    Prices for flights from Detroit to Key West Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Detroit to Key West Airport?

  • How old do you have to be to fly from Detroit to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Detroit to Key West?

Best airlines flying from Detroit to Key West

Compare and see reviews for airlines that fly from Detroit to Key West with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $110Free CancellationRating
6.3
8,159 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
DeltaPriceFrom $282Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Key West?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Key West for you.

Can I find flights from Detroit to Key West with flexible booking policies on momondo?

All flight searches from Detroit to Key West on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Detroit to Key West?

Once you have performed a search for Detroit to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Detroit to Key West right now. Can momondo alert me if prices change?

Price alerts on flights to Key West from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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