What is the cheapest airline that flies from Michigan to Key West?

Allegiant Air, United Airlines, and American Airlines are the most popular carriers operating from Michigan to Key West

How long does it take to fly to Key West?

If you’re flying from a popular airport in Michigan, such as Grand Rapids or Detroit, and flying into Key West, then you can expect flight times to average 4h 37m and 5h 06m, respectively.

What airlines fly to Key West?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Key West from Michigan according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Michigan to Key West Airport?

Prices for flights from Michigan to Key West Airport are updated daily.

How many operators does momondo search for flights from Michigan to Key West Airport?

The number of operators available for flights from Michigan to Key West Airport is 4 as of October 2026.

How old do you have to be to fly from Michigan to Key West Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Michigan to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$120 Cheap Flights from Michigan to Key West in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Michigan to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:30 am - 12:21 pmDTW Detroit Metropolitan Wayne County-EYW Key West

24h 51m1 stop Tampa

10:04 am - 12:44 amEYW Key West-DTW Detroit Metropolitan Wayne County

14h 40m2 stops Tampa Atlanta Hartsfield-Jackson

$172Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

11:30 am - 12:21 pmDTW Detroit Metropolitan Wayne County-EYW Key West

24h 51m1 stop Tampa

10:04 am - 12:44 amEYW Key West-DTW Detroit Metropolitan Wayne County

14h 40m2 stops Tampa Atlanta Hartsfield-Jackson

$179Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

10:50 am - 2:41 pmTVC Traverse City Cherry Capital-EYW Key West

27h 51m1 stop Tampa St. Petersburg

5:10 pm - 10:00 amEYW Key West-TVC Traverse City Cherry Capital

16h 50m1 stop Tampa St. Petersburg

$305Allegiant Air

Sun, Jan 24 - Wed, Jan 27

3:23 pm - 2:41 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

23h 18m1 stop Tampa St. Petersburg

6:25 pm - 11:32 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

5h 07m1 stop Orlando Sanford Intl

$330Allegiant Air

Sun, Jan 24 - Thu, Jan 28

1:40 pm - 6:47 pmDTW Detroit Metropolitan Wayne County-EYW Key West

5h 07m1 stop Charlotte Douglas

10:14 am - 6:24 pmEYW Key West-DTW Detroit Metropolitan Wayne County

8h 10m1 stop Miami

$353American Airlines

Tue, Nov 24 - Sat, Dec 5

1:00 pm - 7:43 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

6h 43m1 stop Atlanta Hartsfield-Jackson

7:00 am - 11:57 amEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

4h 57m1 stop Atlanta Hartsfield-Jackson

$353Delta

Wed, Mar 17 - Tue, Mar 23

6:09 am - 1:37 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

7h 28m1 stop New York LaGuardia

6:00 pm - 11:08 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

5h 08m1 stop Atlanta Hartsfield-Jackson

$353Delta

Wed, Jan 13 - Wed, Jan 20

5:00 am - 11:41 amGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

6h 41m1 stop Chicago O'Hare Intl

5:52 pm - 11:59 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

6h 07m1 stop Chicago O'Hare Intl

$359United Airlines

Thu, Dec 17 - Sun, Dec 20

5:16 am - 11:42 amFNT Flint Bishop-EYW Key West

6h 26m1 stop Chicago O'Hare Intl

1:52 pm - 11:48 pmEYW Key West-FNT Flint Bishop

9h 56m2 stops Charlotte Douglas Chicago O'Hare Intl

$364American Airlines

Wed, Jan 13 - Thu, Jan 21

7:30 am - 2:36 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

7h 06m1 stop Chicago O'Hare Intl

4:00 pm - 9:59 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

5h 59m1 stop Chicago O'Hare Intl

$374United Airlines

Wed, Mar 10 - Wed, Mar 17

Cheap last minute flights

Enter your travel dates to find the best prices.

11:28 am - 12:36 pmDTW Detroit Metropolitan Wayne County-EYW Key West

25h 08m1 stop Tampa

10:04 am - 12:39 amEYW Key West-DTW Detroit Metropolitan Wayne County

14h 35m2 stops Tampa Atlanta Hartsfield-Jackson

$353Multiple Airlines

Mon, Oct 5 - Wed, Oct 21

11:28 am - 9:24 amDTW Detroit Metropolitan Wayne County-EYW Key West

21h 56m1 stop Tampa

10:04 am - 12:39 amEYW Key West-DTW Detroit Metropolitan Wayne County

14h 35m2 stops Tampa Atlanta Hartsfield-Jackson

$359Multiple Airlines

Tue, Oct 6 - Wed, Oct 21

1:02 pm - 8:01 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

6h 59m1 stop Atlanta Hartsfield-Jackson

6:10 pm - 11:57 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

5h 47m1 stop Atlanta Hartsfield-Jackson

$431Delta

Tue, Oct 6 - Wed, Oct 21

2:15 pm - 8:01 pmDTW Detroit Metropolitan Wayne County-EYW Key West

5h 46m1 stop Atlanta Hartsfield-Jackson

11:51 am - 6:39 pmEYW Key West-DTW Detroit Metropolitan Wayne County

6h 48m1 stop Atlanta Hartsfield-Jackson

$459Delta

Tue, Oct 6 - Tue, Oct 20

6:10 am - 1:35 pmDTW Detroit Metropolitan Wayne County-EYW Key West

7h 25m1 stop Charlotte Douglas

4:45 pm - 12:35 amEYW Key West-DTW Detroit Metropolitan Wayne County

7h 50m1 stop Charlotte Douglas

$459American Airlines

Tue, Oct 6 - Wed, Oct 21

6:37 am - 1:35 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

6h 58m1 stop Charlotte Douglas

4:41 pm - 11:49 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

7h 08m1 stop Charlotte Douglas

$492American Airlines

Tue, Oct 6 - Tue, Oct 13

7:00 am - 1:29 pmDTW Detroit Metropolitan Wayne County-EYW Key West

6h 29m1 stop Newark

4:20 pm - 10:15 pmEYW Key West-DTW Detroit Metropolitan Wayne County

5h 55m1 stop Chicago O'Hare Intl

$509United Airlines

Sun, Oct 4 - Sat, Oct 10

11:00 am - 12:47 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

25h 47m1 stop Orlando Sanford Intl

8:41 pm - 1:11 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

16h 30m1 stop Orlando Sanford Intl

$524Allegiant Air

Wed, Oct 7 - Sun, Oct 11

11:00 am - 12:47 pmGRR Grand Rapids Gerald R. Ford Intl-EYW Key West

25h 47m1 stop Orlando Sanford Intl

8:41 pm - 8:45 pmEYW Key West-GRR Grand Rapids Gerald R. Ford Intl

24h 04m2 stops Orlando Sanford Intl Nashville Intl

$647Allegiant Air

Wed, Oct 7 - Sun, Oct 11

10:19 am - 1:29 pmDTW Detroit Metropolitan Wayne County-EYW Key West

27h 10m2 stops Washington, D.C. Dulles Intl Newark

2:15 pm - 11:59 pmEYW Key West-DTW Detroit Metropolitan Wayne County

9h 44m2 stops Newark Washington, D.C. Dulles Intl

$999United Airlines

Tue, Oct 6 - Mon, Oct 19

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Allegiant Air flights from Michigan to Key West

Our best Allegiant Air deals on Michigan to Key West flight tickets

Allegiant Air

Jan 24

TVC10:50 amTraverse City Cherry Capital

27h 51m

1 stop

EYW2:41 pmKey West

Jan 27

EYW5:10 pmKey West

16h 50m

1 stop

TVC10:00 amTraverse City Cherry Capital

$305

Allegiant Air

Jan 24

GRR3:23 pmGrand Rapids Gerald R. Ford Intl

23h 18m

1 stop

EYW2:41 pmKey West

Jan 28

EYW6:25 pmKey West

5h 07m

1 stop

GRR11:32 pmGrand Rapids Gerald R. Ford Intl

$330

Allegiant Air

Nov 27

FNT6:44 pmFlint Bishop

20h 25m

1 stop

EYW3:09 pmKey West

Dec 4

EYW3:58 pmKey West

19h 55m

1 stop

FNT11:53 amFlint Bishop

$331

American Airlines flights from Michigan to Key West

Our best American Airlines deals on Michigan to Key West flight tickets

American Airlines

Jan 13

FNT5:16 amFlint Bishop

6h 26m

1 stop

EYW11:42 amKey West

Jan 21

EYW1:52 pmKey West

9h 56m

2 stops

FNT11:48 pmFlint Bishop

$364

American Airlines

Jan 19

TVC5:56 amTraverse City Cherry Capital

5h 46m

1 stop

EYW11:42 amKey West

Jan 26

EYW12:12 pmKey West

8h 43m

1 stop

TVC8:55 pmTraverse City Cherry Capital

$373

American Airlines

Nov 22

GRR5:38 amGrand Rapids Gerald R. Ford Intl

6h 59m

1 stop

EYW12:37 pmKey West

Dec 1

EYW7:18 pmKey West

5h 21m

1 stop

GRR12:39 amGrand Rapids Gerald R. Ford Intl

$378

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

Sat 10/31

11:30 am-12:21 pm

1 stop24h 51m

Key West

Sat 11/7

10:04 am-12:44 am

2 stops14h 40m

$172

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Sat 10/31

11:30 am-12:21 pm

1 stop24h 51m

Key West

Sat 11/7

10:04 am-12:44 am

2 stops14h 40m

$179

Traverse CityKey West

TVC Traverse City Cherry Capital - EYW Key West

TVCEYW

Traverse City Cherry Capital

Sun 1/24

10:50 am-2:41 pm

1 stop27h 51m

Key West

Wed 1/27

5:10 pm-10:00 am

1 stop16h 50m

$305

Grand RapidsKey West

GRR Grand Rapids Gerald R. Ford Intl - EYW Key West

GRREYW

Grand Rapids Gerald R. Ford Intl

Sun 1/24

3:23 pm-2:41 pm

1 stop23h 18m

Key West

Thu 1/28

6:25 pm-11:32 pm

1 stop5h 07m

$330

DetroitKey West

DTW Detroit Metropolitan Wayne County - EYW Key West

DTWEYW

Detroit Metropolitan Wayne County

Tue 11/24

1:40 pm-6:47 pm

1 stop5h 07m

Key West

Sat 12/5

10:14 am-6:24 pm

1 stop8h 10m

$353

Quickest round-trip

Grand RapidsKey West

GRR Grand Rapids Gerald R. Ford Intl - EYW Key West

GRREYW

Grand Rapids Gerald R. Ford Intl

Wed 3/17

1:00 pm-7:43 pm

1 stop6h 43m

Key West

Tue 3/23

7:00 am-11:57 am

1 stop4h 57m

$353

Grand RapidsKey West

GRR Grand Rapids Gerald R. Ford Intl - EYW Key West

GRREYW

Grand Rapids Gerald R. Ford Intl

Wed 1/13

6:09 am-1:37 pm

1 stop7h 28m

Key West

Wed 1/20

6:00 pm-11:08 pm

1 stop5h 08m

$353

Grand RapidsKey West

GRR Grand Rapids Gerald R. Ford Intl - EYW Key West

GRREYW

Grand Rapids Gerald R. Ford Intl

Thu 12/17

5:00 am-11:41 am

1 stop6h 41m

Key West

Sun 12/20

5:52 pm-11:59 pm

1 stop6h 07m

$359

FlintKey West

FNT Flint Bishop - EYW Key West

FNTEYW

Flint Bishop

Wed 1/13

5:16 am-11:42 am

1 stop6h 26m

Key West

Thu 1/21

1:52 pm-11:48 pm

2 stops9h 56m

$364

Grand RapidsKey West

GRR Grand Rapids Gerald R. Ford Intl - EYW Key West

GRREYW

Grand Rapids Gerald R. Ford Intl

Wed 3/10

7:30 am-2:36 pm

1 stop7h 06m

Key West

Wed 3/17

4:00 pm-9:59 pm

1 stop5h 59m

$374

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Michigan 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

Prices

Airlines

Other information

What is the cheapest month to fly to Key West?

In general, January is the cheapest month to fly from Michigan to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $409. If you are unable to visit Key West during the month of January, then departing from Michigan during the month November is also very affordable. Most momondo users find prices during this month for around $442.

How far in advance should I book a flight from Michigan to Key West?

You are more likely to see cheaper flights to Key West from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $464 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Michigan for as low as $340 on momondo.

Can stopping save me money on Michigan to Key West flights?

You could potentially save up to 40% on your flight if you consider stops on a Michigan to Key West flight.

Cheap Michigan to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Michigan to Key West

Best Price Found	$120
Fastest flight time	3h 11m
Direct flights	None

The best one-way flight to Key West from Michigan in the past 72 hours is $120. The best round-trip flight deal from Michigan to Key West found on momondo in the last 72 hours is $172.

The fastest flight from Michigan to Key West takes 3h 11m

There are no direct flights from Michigan to Key West. There are no popular flight routes from Michigan to Key West.

Search flight deals

Frequently asked questions about flying from Michigan to Key West

When did momondo last update prices for flights from Michigan to Key West Airport?
Prices for flights from Michigan to Key West Airport are updated daily.
How many operators does momondo search for flights from Michigan to Key West Airport?
The number of operators available for flights from Michigan to Key West Airport is 4 as of October 2026.
How old do you have to be to fly from Michigan to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Michigan to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Michigan to Key West

Compare and see reviews for airlines that fly from Michigan to Key West with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $260	Free Cancellation	Rating 7.3 679 reviews	Search Allegiant Air flights
Delta	PriceFrom $268	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.0 12,135 reviews	Search American Airlines flights
United Airlines	PriceFrom $280	Free Cancellation	Rating 7.4 10,283 reviews	Search United Airlines flights

Big Pine Key

Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Michigan to Key West?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Michigan to Key West. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Michigan to Key West with flexible booking policies on momondo?

Yes. All flights to Key West from Michigan on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Michigan to Key West?

momondo helps you find the best flight between Michigan and Key West by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Michigan to Key West right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Key West from Michigan. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Michigan 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 Michigan to Key West departing on 12/2. 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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Allegiant Air flights from Michigan to Key West

Our best Allegiant Air deals on Michigan to Key West flight tickets

American Airlines flights from Michigan to Key West

Our best American Airlines deals on Michigan to Key West flight tickets

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Use the filters below to find and compare flights from Michigan to Key West that are best for you.

See travel insights to Key West from

How to get the cheapest flight ticket from Michigan to Key West

What is the cheapest month to fly to Key West?

How far in advance should I book a flight from Michigan to Key West?

Can stopping save me money on Michigan to Key West flights?

What is the cheapest airline that flies from Michigan to Key West?

What airlines fly to Key West?

How long does it take to fly to Key West?

Cheap Michigan to Key West flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Michigan to Key West

Best airlines flying from Michigan to Key West

Compare and see reviews for airlines that fly from Michigan to Key West with momondo

Traveling to a place near Key West?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida

Fly your favorite airline to Key West

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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