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Cheap flights from Detroit to Key West from $98

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 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 am - 3:16 pm
DTW
-
EYW
9h 01m1 stop
Multiple Airlines Logo
10:27 pm - 10:44 am
EYW
-
DTW
12h 17m1 stop
$167Multiple Airlines
Wed, Jan 7 - Thu, Jan 22
Multiple Airlines Logo
6:25 am - 9:11 pm
DTW
-
EYW
14h 46m1 stop
Multiple Airlines Logo
10:27 pm - 9:46 am
EYW
-
DTW
11h 19m1 stop
$172Multiple Airlines
Mon, Jan 5 - Thu, Jan 8
Multiple Airlines Logo
1:43 pm - 1:30 pm
DTW
-
EYW
23h 47m1 stop
Multiple Airlines Logo
11:01 am - 10:44 am
EYW
-
DTW
23h 43m1 stop
$179Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
1:43 pm - 1:30 pm
DTW
-
EYW
23h 47m1 stop
Multiple Airlines Logo
9:49 am - 9:46 am
EYW
-
DTW
23h 57m1 stop
$184Multiple Airlines
Sun, Feb 1 - Fri, Feb 6
Multiple Airlines Logo
1:43 pm - 1:30 pm
DTW
-
EYW
23h 47m1 stop
Multiple Airlines Logo
9:49 am - 9:46 am
EYW
-
DTW
23h 57m1 stop
$186Multiple Airlines
Sun, Feb 1 - Fri, Feb 6
Spirit Airlines Logo
7:45 am - 1:30 pm
DTW
-
EYW
5h 45m1 stop
Spirit Airlines Logo
12:51 pm - 10:44 pm
EYW
-
DTW
9h 53m1 stop
$192Spirit Airlines
Wed, Jan 7 - Thu, Jan 22
Multiple Airlines Logo
6:35 am - 3:02 pm
DTW
-
EYW
8h 27m1 stop
Multiple Airlines Logo
2:25 pm - 10:44 pm
EYW
-
DTW
8h 19m1 stop
$194Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
6:35 am - 3:16 pm
DTW
-
EYW
8h 41m1 stop
Multiple Airlines Logo
2:25 pm - 11:59 pm
EYW
-
DTW
9h 34m1 stop
$195Multiple Airlines
Wed, Feb 4 - Mon, Feb 9
Multiple Airlines Logo
5:58 pm - 3:41 pm
DTW
-
EYW
21h 43m1 stop
Multiple Airlines Logo
4:06 pm - 9:46 am
EYW
-
DTW
17h 40m1 stop
$196Multiple Airlines
Tue, Dec 16 - Wed, Jan 7
Spirit Airlines Logo
6:00 am - 1:30 pm
DTW
-
EYW
7h 30m1 stop
Spirit Airlines Logo
2:30 pm - 7:34 pm
EYW
-
DTW
5h 04m1 stop
$197Spirit Airlines
Wed, Dec 31 - Wed, Jan 7

Spirit Airlines flights from Detroit to Key West

Our best Spirit Airlines deals on Detroit to Key West flight tickets
Spirit Airlines
Jan 7
DTW7:45 amDetroit Metropolitan Wayne County
5h 45m
1 stop
EYW1:30 pmKey West
Jan 22
EYW12:51 pmKey West
9h 53m
1 stop
DTW10:44 pmDetroit Metropolitan Wayne County
$192
Find similar
Spirit Airlines
Dec 31
DTW6:00 amDetroit Metropolitan Wayne County
7h 30m
1 stop
EYW1:30 pmKey West
Jan 7
EYW2:30 pmKey West
5h 04m
1 stop
DTW7:34 pmDetroit Metropolitan Wayne County
$197
Find similar
Spirit Airlines
Jan 19
DTW5:30 amDetroit Metropolitan Wayne County
8h 00m
1 stop
EYW1:30 pmKey West
Jan 26
EYW2:25 pmKey West
8h 19m
1 stop
DTW10:44 pmDetroit Metropolitan Wayne County
$202
Find similar

American Airlines flights from Detroit to Key West

Our best American Airlines deals on Detroit to Key West flight tickets
American Airlines
Jan 8
DTW2:02 pmDetroit Metropolitan Wayne County
9h 54m
2 stops
EYW11:56 pmKey West
Jan 13
EYW6:43 pmKey West
5h 00m
1 stop
DTW11:43 pmDetroit Metropolitan Wayne County
$224
Find similar
American Airlines
Jan 8
DTW2:02 pmDetroit Metropolitan Wayne County
9h 54m
2 stops
EYW11:56 pmKey West
Jan 13
EYW6:06 amKey West
7h 55m
2 stops
DTW2:01 pmDetroit Metropolitan Wayne County
$229
Find similar
American Airlines
Dec 16
DTW6:00 amDetroit Metropolitan Wayne County
7h 03m
2 stops
EYW1:03 pmKey West
Jan 7
EYW6:06 amKey West
9h 45m
2 stops
DTW3:51 pmDetroit Metropolitan Wayne County
$314
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 December 4, 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

Wed 1/7

6:15 am-3:16 pm

1 stop9h 01m

Key West

Thu 1/22

10:27 pm-10:44 am

1 stop12h 17m

$167

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 1/5

6:25 am-9:11 pm

1 stop14h 46m

Key West

Thu 1/8

10:27 pm-9:46 am

1 stop11h 19m

$172

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sun 2/1

1:43 pm-1:30 pm

1 stop23h 47m

Key West

Thu 2/5

11:01 am-10:44 am

1 stop23h 43m

$179

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sun 2/1

1:43 pm-1:30 pm

1 stop23h 47m

Key West

Fri 2/6

9:49 am-9:46 am

1 stop23h 57m

$184

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sun 2/1

1:43 pm-1:30 pm

1 stop23h 47m

Key West

Fri 2/6

9:49 am-9:46 am

1 stop23h 57m

$186

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 1/7

7:45 am-1:30 pm

1 stop5h 45m

Key West

Thu 1/22

12:51 pm-10:44 pm

1 stop9h 53m

$192

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Fri 1/23

6:35 am-3:02 pm

1 stop8h 27m

Key West

Mon 1/26

2:25 pm-10:44 pm

1 stop8h 19m

$194

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 2/4

6:35 am-3:16 pm

1 stop8h 41m

Key West

Mon 2/9

2:25 pm-11:59 pm

1 stop9h 34m

$195

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Tue 12/16

5:58 pm-3:41 pm

1 stop21h 43m

Key West

Wed 1/7

4:06 pm-9:46 am

1 stop17h 40m

$196

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/31

6:00 am-1:30 pm

1 stop7h 30m

Key West

Wed 1/7

2:30 pm-7:34 pm

1 stop5h 04m

$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 $516 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

Fastest flight time

5h 37m

Direct flights

None
The fastest flight from Detroit to Key West takes 5h 37m
There are no direct flights from Detroit to Key West. There are no popular flight routes from Detroit to Key West.
Search flight deals

  • 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 45m.

  • 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
8,157 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
American AirlinesPriceFrom $277Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $282Free CancellationRating
7.9
8,011 reviews
Search Delta 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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