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Cheap flights from Detroit to Key West from $103

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 9/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Detroit to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:42 am - 11:21 am-
24h 39m
Multiple Airlines Logo
12:59 pm - 9:47 am-
20h 48m
$126Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
Multiple Airlines Logo
10:42 am - 11:21 am-
24h 39m
Multiple Airlines Logo
12:59 pm - 9:47 am-
20h 48m
$146Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
Multiple Airlines Logo
6:51 pm - 11:21 am-
16h 30m
Multiple Airlines Logo
12:59 pm - 9:47 am-
20h 48m
$179Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
American Airlines Logo
3:31 pm - 9:45 pm-
6h 14m
American Airlines Logo
4:53 pm - 12:22 am-
7h 29m
$333American Airlines
Wed, Dec 2 - Wed, Dec 9
American Airlines Logo
10:29 am - 4:13 pm-
5h 44m
American Airlines Logo
4:10 pm - 11:56 pm-
7h 46m
$333American Airlines
Wed, Dec 2 - Wed, Dec 9
Delta Logo
9:25 am - 5:07 pm-
7h 42m
Delta Logo
11:43 am - 6:45 pm-
7h 02m
$333Delta
Tue, Nov 24 - Wed, Dec 2
Delta Logo
9:25 am - 5:07 pm-
7h 42m
Delta Logo
6:02 pm - 12:59 am-
6h 57m
$333Delta
Wed, Nov 25 - Tue, Dec 1
American Airlines Logo
10:29 am - 4:13 pm-
5h 44m
American Airlines Logo
12:50 pm - 6:52 pm-
6h 02m
$333American Airlines
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
5:45 am - 11:11 am-
5h 26m
United Airlines Logo
4:05 pm - 11:52 pm-
7h 47m
$336United Airlines
Thu, Dec 3 - Wed, Dec 9
United Airlines Logo
5:45 am - 11:11 am-
5h 26m
United Airlines Logo
2:30 pm - 11:59 pm-
9h 29m
$376United Airlines
Thu, Dec 3 - Wed, Dec 9

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Delta flights from Detroit to Key West

Our best Delta deals on Detroit to Key West flight tickets
Delta
Aug 5
DTW5:20 amDetroit Metropolitan Wayne County
5h 30m
1 stop
EYW10:50 amKey West
Aug 10
EYW6:15 pmKey West
6h 44m
1 stop
DTW12:59 amDetroit Metropolitan Wayne County
$498
Delta
Aug 5
DTW10:30 amDetroit Metropolitan Wayne County
6h 50m
1 stop
EYW5:20 pmKey West
Aug 8
EYW1:31 pmKey West
6h 39m
1 stop
DTW8:10 pmDetroit Metropolitan Wayne County
$509
Delta
Aug 6
DTW5:20 amDetroit Metropolitan Wayne County
5h 30m
1 stop
EYW10:50 amKey West
Aug 11
EYW6:15 pmKey West
5h 31m
1 stop
DTW11:46 pmDetroit Metropolitan Wayne County
$513

American Airlines flights from Detroit to Key West

Our best American Airlines deals on Detroit to Key West flight tickets
American Airlines
Aug 14
DTW7:15 amDetroit Metropolitan Wayne County
5h 40m
1 stop
EYW12:55 pmKey West
Aug 18
EYW4:50 pmKey West
5h 40m
1 stop
DTW10:30 pmDetroit Metropolitan Wayne County
$549
American Airlines
Aug 7
DTW10:24 amDetroit Metropolitan Wayne County
5h 54m
1 stop
EYW4:18 pmKey West
Aug 11
EYW4:50 pmKey West
5h 40m
1 stop
DTW10:30 pmDetroit Metropolitan Wayne County
$563
American Airlines
Aug 7
DTW10:24 amDetroit Metropolitan Wayne County
5h 54m
1 stop
EYW4:18 pmKey West
Aug 11
EYW1:40 pmKey West
9h 18m
2 stops
DTW10:58 pmDetroit Metropolitan Wayne County
$568

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 August 4, 2026.
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

Cheapest round-trip

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 9/12

10:42 am-11:21 am

1 stop24h 39m

Key West

Fri 9/18

12:59 pm-9:47 am

1 stop20h 48m

$126

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 9/12

10:42 am-11:21 am

1 stop24h 39m

Key West

Fri 9/18

12:59 pm-9:47 am

1 stop20h 48m

$146

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Sat 9/12

6:51 pm-11:21 am

2 stops16h 30m

Key West

Fri 9/18

12:59 pm-9:47 am

1 stop20h 48m

$179

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/2

3:31 pm-9:45 pm

1 stop6h 14m

Key West

Wed 12/9

4:53 pm-12:22 am

1 stop7h 29m

$333

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/2

10:29 am-4:13 pm

1 stop5h 44m

Key West

Wed 12/9

4:10 pm-11:56 pm

1 stop7h 46m

$333

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Tue 11/24

9:25 am-5:07 pm

1 stop7h 42m

Key West

Wed 12/2

11:43 am-6:45 pm

1 stop7h 02m

$333

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 11/25

9:25 am-5:07 pm

1 stop7h 42m

Key West

Tue 12/1

6:02 pm-12:59 am

1 stop6h 57m

$333
Quickest round-trip

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Wed 12/2

10:29 am-4:13 pm

1 stop5h 44m

Key West

Wed 12/9

12:50 pm-6:52 pm

1 stop6h 02m

$333

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Thu 12/3

5:45 am-11:11 am

1 stop5h 26m

Key West

Wed 12/9

4:05 pm-11:52 pm

1 stop7h 47m

$336

DetroitKey West

DTW - EYW

DTWEYW

Detroit Metropolitan Wayne County

Thu 12/3

5:45 am-11:11 am

1 stop5h 26m

Key West

Wed 12/9

2:30 pm-11:59 pm

2 stops9h 29m

$376

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?

Prices are currently low for flights on this route.

Typical prices usually range from $474 to $559.
The lowest price recently found on this route was $126.

What is the cheapest month to fly to Key West?

In general, January 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 $362. If you are unable to visit Key West during the month of January, then departing from Detroit during the month September is also very affordable. Most momondo users find prices during this month for around $439.

How far in advance should I book a flight from Detroit 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 $437 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 $322 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 30m

Direct flights

None
The fastest flight from Detroit to Key West takes 5h 30m
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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Frequently asked questions about flying from Detroit to Key West

  • 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 30m.

  • 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
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.8
8,483 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,845 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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