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Cheap flights from Detroit to Key West from $120

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 12/9. 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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Find the cheapest flights from Detroit to Key West

Cheap round-trip flights

Multiple Airlines Logo
7:15 pm - 10:19 amDTW-EYW
15h 04m1 stop
Multiple Airlines Logo
11:45 am - 8:12 amEYW-DTW
20h 27m1 stop
$213Multiple Airlines
Find Deal
Sat, Oct 25 - Tue, Oct 28
Multiple Airlines Logo
9:15 pm - 11:05 amDTW-EYW
13h 50m1 stop
Multiple Airlines Logo
9:57 am - 9:40 amEYW-DTW
23h 43m1 stop
$228Multiple Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 17
Multiple Airlines Logo
7:15 pm - 10:19 amDTW-EYW
15h 04m1 stop
Multiple Airlines Logo
10:47 am - 7:47 amEYW-DTW
21h 00m1 stop
$239Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
9:15 pm - 11:05 amDTW-EYW
13h 50m1 stop
Multiple Airlines Logo
10:59 am - 7:47 amEYW-DTW
20h 48m1 stop
$240Multiple Airlines
Find Deal
Mon, Oct 13 - Thu, Oct 16
Spirit Airlines Logo
6:11 am - 1:30 pmDTW-EYW
7h 19m1 stop
Spirit Airlines Logo
2:25 pm - 9:23 pmEYW-DTW
6h 58m1 stop
$251Spirit Airlines
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Mon, Nov 17 - Thu, Nov 20
Delta Logo
9:05 am - 5:12 pmDTW-EYW
8h 07m1 stop
Delta Logo
7:40 am - 3:15 pmEYW-DTW
7h 35m1 stop
$269Delta
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Mon, Nov 24 - Fri, Dec 5
American Airlines Logo
11:07 am - 7:35 pmDTW-EYW
8h 28m2 stops
American Airlines Logo
4:59 pm - 12:15 amEYW-DTW
7h 16m1 stop
$274American Airlines
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Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
2:10 pm - 11:07 pmDTW-EYW
8h 57m2 stops
American Airlines Logo
4:20 pm - 12:22 amEYW-DTW
8h 02m2 stops
$279American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Spirit Airlines Logo
6:11 am - 1:30 pmDTW-EYW
7h 19m1 stop
Spirit Airlines Logo
2:25 pm - 9:23 pmEYW-DTW
6h 58m1 stop
$303Spirit Airlines
Find Deal
Tue, Jan 20 - Wed, Jan 21
Delta Logo
10:28 am - 5:15 pmDTW-EYW
6h 47m1 stop
Delta Logo
6:17 pm - 12:41 amEYW-DTW
6h 24m1 stop
$319Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7

American Airlines flights from Detroit to Key West

Our best American Airlines deals on Detroit to Key West flight tickets
American Airlines
Dec 6
DTW11:07 amDetroit Metropolitan Wayne County
8h 28m
2 stops
EYW7:35 pmKey West
Dec 13
EYW4:59 pmKey West
7h 16m
1 stop
DTW12:15 amDetroit Metropolitan Wayne County
$274
Find similar
American Airlines
Dec 6
DTW2:10 pmDetroit Metropolitan Wayne County
8h 57m
2 stops
EYW11:07 pmKey West
Dec 13
EYW4:20 pmKey West
8h 02m
2 stops
DTW12:22 amDetroit Metropolitan Wayne County
$279
Find similar
American Airlines
Dec 6
DTW11:07 amDetroit Metropolitan Wayne County
8h 28m
2 stops
EYW7:35 pmKey West
Dec 10
EYW6:33 pmKey West
5h 04m
1 stop
DTW11:37 pmDetroit Metropolitan Wayne County
$288
Find similar

Spirit Airlines flights from Detroit to Key West

Our best Spirit Airlines deals on Detroit to Key West flight tickets
Spirit Airlines
Nov 17
DTW6:11 amDetroit Metropolitan Wayne County
7h 19m
1 stop
EYW1:30 pmKey West
Nov 20
EYW2:25 pmKey West
6h 58m
1 stop
DTW9:23 pmDetroit Metropolitan Wayne County
$251
Find similar
Spirit Airlines
Jan 20
DTW6:11 amDetroit Metropolitan Wayne County
7h 19m
1 stop
EYW1:30 pmKey West
Jan 21
EYW2:25 pmKey West
6h 58m
1 stop
DTW9:23 pmDetroit Metropolitan Wayne County
$303
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 September 18, 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 10/25

7:15 pm-10:19 am

1 stop15h 04m

Key West

Tue 10/28

11:45 am-8:12 am

1 stop20h 27m

$213

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 10/13

9:15 pm-11:05 am

1 stop13h 50m

Key West

Fri 10/17

9:57 am-9:40 am

1 stop23h 43m

$228

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 10/15

7:15 pm-10:19 am

1 stop15h 04m

Key West

Wed 10/22

10:47 am-7:47 am

1 stop21h 00m

$239

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 10/13

9:15 pm-11:05 am

1 stop13h 50m

Key West

Thu 10/16

10:59 am-7:47 am

1 stop20h 48m

$240

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 11/17

6:11 am-1:30 pm

1 stop7h 19m

Key West

Thu 11/20

2:25 pm-9:23 pm

1 stop6h 58m

$251

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Mon 11/24

9:05 am-5:12 pm

1 stop8h 07m

Key West

Fri 12/5

7:40 am-3:15 pm

1 stop7h 35m

$269

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/6

11:07 am-7:35 pm

2 stops8h 28m

Key West

Sat 12/13

4:59 pm-12:15 am

1 stop7h 16m

$274

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 12/6

2:10 pm-11:07 pm

2 stops8h 57m

Key West

Sat 12/13

4:20 pm-12:22 am

2 stops8h 02m

$279

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Tue 1/20

6:11 am-1:30 pm

1 stop7h 19m

Key West

Wed 1/21

2:25 pm-9:23 pm

1 stop6h 58m

$303

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Fri 10/3

10:28 am-5:15 pm

1 stop6h 47m

Key West

Tue 10/7

6:17 pm-12:41 am

1 stop6h 24m

$319

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 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 $392. 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 $555 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 $425 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 01m.

  • 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 $108Free CancellationRating
6.3
8,030 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $282Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $348Free CancellationRating
7.2
10,000 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

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