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Cheap flights from Detroit to Key West from C$ 377

DTT — EYW
29 Oct — 5 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Key West

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Key West

Sun 25/106:41 p.m. -
1 stop17h 38m
Sun 1/1110:59 a.m. -
1 stop21h 53m
Deal found 27/9C$ 377
Tue 17/115:20 a.m. -
1 stop5h 28m
Wed 25/116:08 p.m. -
1 stop6h 49m
Deal found 23/9C$ 523
Tue 13/107:00 a.m. -
1 stop6h 29m
Wed 28/102:51 p.m. -
1 stop8h 55m
Deal found 28/9C$ 554
Tue 17/117:25 a.m. -
1 stop5h 34m
Tue 24/116:08 p.m. -
1 stop6h 49m
Deal found 23/9C$ 600
Tue 17/112:48 p.m. -
1 stop5h 12m
Thu 26/1111:43 a.m. -
1 stop6h 56m
Deal found 23/9C$ 615
Thu 19/1112:44 p.m. -
2 stops21h 35m
Sun 22/1110:59 a.m. -
1 stop11h 03m
Deal found 26/9C$ 616
Wed 9/124:08 p.m. -
2 stops19h 13m
Sun 13/1210:59 a.m. -
1 stop7h 50m
Deal found 28/9C$ 627
Tue 10/115:20 a.m. -
1 stop7h 39m
Tue 17/116:08 p.m. -
1 stop6h 49m
Deal found 28/9C$ 636
Thu 24/126:00 a.m. -
1 stop28h 19m
Wed 30/125:35 p.m. -
1 stop7h 13m
Deal found 27/9C$ 640
Tue 17/1112:30 p.m. -
1 stop7h 30m
Mon 23/116:08 p.m. -
1 stop6h 49m
Deal found 23/9C$ 647

Find flight deals from Detroit to Key West

Round-trip from

C$ 377

Popular in

December

Cheapest in

February

Average price

C$ 622
25/10-1/11
  • 25/10-1/11
  • 2 total stops
  • 39h 31m total
  • Detroit to Key West
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Highest demand for flights based on searches. 9% potential increase in price (C$ 112 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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
Quickest round-trip

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 10/10

7:30 a.m.-3:24 p.m.

1 stop7h 54m

Key West

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 569

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 10/11

5:20 a.m.-12:59 p.m.

1 stop7h 39m

Key West

Tue 17/11

6:08 p.m.-12:57 a.m.

1 stop6h 49m

C$ 636

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 6/10

2:15 p.m.-8:01 p.m.

1 stop5h 46m

Key West

Tue 20/10

6:10 p.m.-11:53 p.m.

1 stop5h 43m

C$ 650

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Thu 1/10

5:20 a.m.-10:46 a.m.

1 stop5h 26m

Key West

Tue 27/10

6:10 p.m.-12:58 a.m.

1 stop6h 48m

C$ 773

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Thu 3/12

6:00 a.m.-11:24 a.m.

3 stops29h 24m

Key West

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 812

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 13/10

7:00 a.m.-1:29 p.m.

1 stop6h 29m

Key West

Sat 17/10

4:20 p.m.-11:59 p.m.

1 stop7h 39m

C$ 813

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 1/12

6:00 a.m.-11:24 a.m.

3 stops29h 24m

Key West

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 877

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Mon 14/12

7:05 a.m.-3:26 p.m.

1 stop8h 21m

Key West

Wed 16/12

4:10 p.m.-10:14 p.m.

1 stop6h 04m

C$ 959

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Thu 10/12

6:00 a.m.-11:24 a.m.

3 stops29h 24m

Key West

Mon 14/12

4:10 p.m.-10:14 p.m.

1 stop6h 04m

C$ 1,226

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 17/10

7:00 a.m.-1:29 p.m.

1 stop6h 29m

Key West

Wed 21/10

2:15 p.m.-11:38 p.m.

1 stop9h 23m

C$ 1,321

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/9

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Detroit to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Detroit with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Detroit to Key West

What is the cheapest month to book a flight from Detroit to Key West?

Currently, January is the cheapest month in which you can book a flight from Detroit to Key West (average of C$ 507). Flying from Detroit to Key West in December is currently the most expensive (average of C$ 795). 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.

How much does it cost to fly round-trip from Detroit to Key West?

Airfare is below average for this route at the moment.
Detroit to Key West flights typically cost between C$ 581 and C$ 758 in October.
The cheapest round-trip price found within the last 5 days was C$ 377 on Multiple Airlines (25 Oct-1 Nov).

What’s the top layover airport for flights from Detroit to Key West?

Charlotte (CLT) – chosen by Cheapflights users on 75% of one-stop itineraries from Detroit to Key West on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Key West?

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of C$ 853.

What’s the fastest layover option from Detroit to Key West?

Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 5h 18m.

Which airport typically offers the quickest layover for flights from Detroit to Key West?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 00m.

How far ahead should I book a flight from Detroit to Key West?

The best time to book flights from Detroit to Key West is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • How long is the flight from Detroit to Key West?

    A quick flight from Detroit to Key West can take about 6h 29m. Delta provides one of the quickest options available for as low as C$ 813. Detroit and Key West are separated by a distance of 1968 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Detroit to Key West that include hotel bookings?

    Yes. In addition to deals on Detroit to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Key West.

  • Can I find deals for business class flights from Detroit to Key West?

    Yes. Cheapflights offers flight deals from Detroit to Key West 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 to Key West?

    Currently, January is the cheapest month in which you can book a flight from Detroit to Key West (average of C$ 507). Flying from Detroit to Key West in December is currently the most expensive (average of C$ 795). 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

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Why should you use Cheapflights to find cheap flight tickets from Detroit to Key West?

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Yes! Start tracking prices for Detroit to Key West flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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