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Cheap flights from Detroit to Key West from C$ 333

DTT — EYW
29 Nov — 6 Dec1
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

Wed 25/117:26 a.m. -
1 stop8h 03m
Wed 2/1212:05 p.m. -
1 stop8h 41m
Deal found 28/10C$ 526
Fri 18/126:09 a.m. -
1 stop9h 14m
Sat 26/124:52 p.m. -
1 stop7h 05m
Deal found 28/10C$ 657
Sat 31/102:30 p.m. -
1 stop5h 31m
Wed 4/114:00 p.m. -
1 stop6h 15m
Deal found 27/10C$ 670
Thu 29/107:26 a.m. -
1 stop8h 03m
Wed 4/112:51 p.m. -
1 stop6h 07m
Deal found 26/10C$ 740
Tue 17/1110:35 a.m. -
1 stop6h 35m
Thu 26/117:30 a.m. -
1 stop5h 29m
Deal found 28/10C$ 752
Thu 29/105:20 a.m. -
1 stop5h 27m
Wed 4/117:40 a.m. -
1 stop5h 26m
Deal found 27/10C$ 778
Fri 20/1112:30 p.m. -
1 stop7h 30m
Thu 26/117:30 a.m. -
1 stop5h 29m
Deal found 28/10C$ 835
Wed 18/117:00 a.m. -
2 stops13h 00m
Thu 26/117:30 a.m. -
2 stops13h 48m
Deal found 28/10C$ 836
Fri 25/129:00 a.m. -
1 stop4h 55m
Thu 31/126:22 p.m. -
1 stop5h 16m
Deal found 25/10C$ 880

Find flight deals from Detroit to Key West

Round-trip from

C$ 526

One-way from

C$ 333

Popular in

December

Cheapest in

February

Average price

C$ 748
United Airlines
  • United Airlines
  • 25/11-2/12
  • 2 total stops
  • 16h 44m total
  • Detroit to Key West
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29/11-31/12
  • 29/11-31/12
  • 1 total stop
  • 14h 14m total
  • Detroit to Key West
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sun 29/11

8:05 p.m.-10:19 a.m.

1 stop14h 14m

Key West

Wed 31/12

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

Nonstop0h 00m

C$ 333

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 19/1

7:00 a.m.-3:22 p.m.

1 stop8h 22m

Key West

Wed 31/12

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

Nonstop0h 00m

C$ 565
Quickest round-trip

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Mon 18/1

6:00 a.m.-2:13 p.m.

1 stop8h 13m

Key West

Wed 31/12

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

Nonstop0h 00m

C$ 565

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 2/2

2:10 p.m.-8:48 p.m.

1 stop6h 38m

Key West

Sat 6/2

7:30 a.m.-1:04 p.m.

1 stop5h 34m

C$ 621

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Fri 18/12

6:09 a.m.-3:23 p.m.

1 stop9h 14m

Key West

Sat 26/12

4:52 p.m.-11:57 p.m.

1 stop7h 05m

C$ 657

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 10/11

12:30 p.m.-5:10 p.m.

1 stop4h 40m

Key West

Tue 17/11

6:08 p.m.-11:59 p.m.

1 stop5h 51m

C$ 670

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Fri 13/11

5:20 a.m.-10:48 a.m.

1 stop5h 28m

Key West

Tue 17/11

6:08 p.m.-11:59 p.m.

1 stop5h 51m

C$ 778

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 27/3

5:40 a.m.-11:11 a.m.

1 stop5h 31m

Key West

Sat 3/4

4:45 p.m.-11:44 p.m.

1 stop6h 59m

C$ 913

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Thu 19/11

7:00 a.m.-1:52 p.m.

1 stop6h 52m

Key West

Mon 23/11

2:50 p.m.-11:59 p.m.

2 stops9h 09m

C$ 950

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 14/11

7:26 a.m.-3:29 p.m.

1 stop8h 03m

Key West

Wed 18/11

2:51 p.m.-8:58 p.m.

1 stop6h 07m

C$ 966

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 11 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$ 544). Flying from Detroit to Key West in December is currently the most expensive (average of C$ 786). 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$ 636 and C$ 924 in November.
The cheapest round-trip price found within the last 5 days was C$ 526 on United Airlines (25 Nov-2 Dec).

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 38m. Delta provides one of the quickest options available for as low as C$ 621. 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$ 544). Flying from Detroit to Key West in December is currently the most expensive (average of C$ 786). 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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