What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Florida Keys?

Southwest, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Florida Keys

What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Florida Keys?

The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Florida Keys is 9 as of July 2025.

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Florida Keys?

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 Phoenix Sky Harbor Intl Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$78 Cheap Flights from Phoenix Sky Harbor Intl Airport to Florida Keys in 2025

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to Florida Keys on average per week?

As of July 2025, there are 113 flights per week flying from Phoenix Sky Harbor Intl Airport to Florida Keys. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:50 pm - 8:18 pmPHX-MIA

4h 28mnonstop

7:45 am - 9:37 amMIA-PHX

4h 52mnonstop

$160American Airlines

Find Deal

sáb., sep. 6 - jue., sep. 11

12:50 pm - 8:18 pmPHX-MIA

4h 28mnonstop

7:45 am - 9:37 amMIA-PHX

4h 52mnonstop

$161American Airlines

Find Deal

mié., sep. 17 - mié., sep. 24

6:00 am - 4:15 pmPHX-MIA

8h 15m1 stop

4:55 pm - 10:40 pmMIA-PHX

7h 45m1 stop

$166Southwest

Find Deal

sáb., dic. 6 - mié., dic. 10

8:50 am - 9:25 pmPHX-MIA

10h 35m2 stops

4:55 pm - 10:40 pmMIA-PHX

7h 45m1 stop

$177Southwest

Find Deal

sáb., dic. 6 - mié., dic. 10

10:59 pm - 5:42 pmPHX-MIA

15h 43m2 stops

4:53 pm - 10:04 pmMIA-PHX

8h 11m1 stop

$189Spirit Airlines

Find Deal

vie., sep. 12 - lun., sep. 15

10:59 pm - 5:42 pmPHX-MIA

15h 43m2 stops

4:53 pm - 10:04 pmMIA-PHX

8h 11m1 stop

$194Spirit Airlines

Find Deal

vie., sep. 12 - vie., sep. 19

12:37 pm - 11:23 amPHX-MIA

19h 46m1 stop

6:45 am - 4:02 pmMIA-PHX

12h 17m1 stop

$230Frontier

Find Deal

vie., sep. 5 - sáb., sep. 20

7:17 pm - 5:45 amPHX-MIA

7h 28m1 stop

6:00 am - 10:56 amMIA-PHX

7h 56m1 stop

$235Frontier

Find Deal

mié., ago. 13 - sáb., ago. 16

11:59 pm - 10:56 amPHX-EYW

7h 57m1 stop

6:20 pm - 10:49 pmEYW-PHX

7h 29m1 stop

$331Delta

Find Deal

dom., ago. 24 - dom., ago. 31

11:44 pm - 10:55 amPHX-EYW

8h 11m1 stop

6:10 pm - 10:12 pmEYW-PHX

7h 02m1 stop

$339Delta

Find Deal

vie., sep. 12 - lun., sep. 15

Spirit Airlines flights from Phoenix Sky Harbor Intl Airport to Florida Keys

Our best Spirit Airlines deals on Phoenix Sky Harbor Intl Airport to Florida Keys flight tickets

Spirit Airlines

Sep 12

PHX10:59 pmPhoenix Sky Harbor Intl

15h 43m

2 stops

MIA5:42 pmMiami

Sep 15

MIA4:53 pmMiami

8h 11m

1 stop

PHX10:04 pmPhoenix Sky Harbor Intl

$189

Find similar

Spirit Airlines

Sep 12

PHX10:59 pmPhoenix Sky Harbor Intl

15h 43m

2 stops

MIA5:42 pmMiami

Sep 19

MIA4:53 pmMiami

8h 11m

1 stop

PHX10:04 pmPhoenix Sky Harbor Intl

$194

Find similar

Spirit Airlines

Sep 12

PHX10:59 pmPhoenix Sky Harbor Intl

15h 43m

2 stops

MIA5:42 pmMiami

Sep 19

MIA4:53 pmMiami

8h 11m

1 stop

PHX10:04 pmPhoenix Sky Harbor Intl

$195

Find similar

Frontier flights from Phoenix Sky Harbor Intl Airport to Florida Keys

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Florida Keys flight tickets

Frontier

Sep 5

PHX12:37 pmPhoenix Sky Harbor Intl

19h 46m

1 stop

MIA11:23 amMiami

Sep 20

MIA6:45 amMiami

12h 17m

1 stop

PHX4:02 pmPhoenix Sky Harbor Intl

$230

Find similar

Frontier

Aug 13

PHX7:17 pmPhoenix Sky Harbor Intl

7h 28m

1 stop

MIA5:45 amMiami

Aug 16

MIA6:00 amMiami

7h 56m

1 stop

PHX10:56 amPhoenix Sky Harbor Intl

$235

Find similar

Frontier

Nov 1

PHX5:10 pmPhoenix Sky Harbor Intl

10h 09m

1 stop

MIA6:19 amMiami

Nov 8

MIA6:00 amMiami

12h 02m

1 stop

PHX4:02 pmPhoenix Sky Harbor Intl

$238

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

sáb. 9/6

12:50 pm-8:18 pm

Nonstop4h 28m

Miami

jue. 9/11

7:45 am-9:37 am

Nonstop4h 52m

$160

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

mié. 9/17

12:50 pm-8:18 pm

Nonstop4h 28m

Miami

mié. 9/24

7:45 am-9:37 am

Nonstop4h 52m

$161

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

sáb. 12/6

6:00 am-4:15 pm

1 stop8h 15m

Miami

mié. 12/10

4:55 pm-10:40 pm

1 stop7h 45m

$166

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

sáb. 12/6

8:50 am-9:25 pm

2 stops10h 35m

Miami

mié. 12/10

4:55 pm-10:40 pm

1 stop7h 45m

$177

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

vie. 9/12

10:59 pm-5:42 pm

2 stops15h 43m

Miami

lun. 9/15

4:53 pm-10:04 pm

1 stop8h 11m

$189

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

vie. 9/12

10:59 pm-5:42 pm

2 stops15h 43m

Miami

vie. 9/19

4:53 pm-10:04 pm

1 stop8h 11m

$194

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

vie. 9/5

12:37 pm-11:23 am

1 stop19h 46m

Miami

sáb. 9/20

6:45 am-4:02 pm

1 stop12h 17m

$230

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

mié. 8/13

7:17 pm-5:45 am

1 stop7h 28m

Miami

sáb. 8/16

6:00 am-10:56 am

1 stop7h 56m

$235

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

dom. 8/24

11:59 pm-10:56 am

1 stop7h 57m

Key West

dom. 8/31

6:20 pm-10:49 pm

1 stop7h 29m

$331

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

vie. 9/12

11:44 pm-10:55 am

1 stop8h 11m

Key West

lun. 9/15

6:10 pm-10:12 pm

1 stop7h 02m

$339

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 Phoenix Sky Harbor Intl Airport to Florida Keys

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 Florida Keys?

The month of February is another great option to travel to Florida Keys, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $364.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Florida Keys is on a Saturday when prices can be found for as low as $528. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $639.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to Florida Keys in the afternoon for as low as $425. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $616.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Phoenix Sky Harbor Intl Airport for as low as $334 on momondo.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Florida Keys.

Cheap Phoenix Sky Harbor Intl Airport to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Florida Keys

Best Price Found	$78
Fastest flight time	4h 17m
Direct flights	Every day
Airports in Florida Keys	2 airports

The best one-way flight to Florida Keys from Phoenix Sky Harbor Intl Airport in the past 72 hours is $78. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Florida Keys found on momondo in the last 72 hours is $160.

The fastest flight from Phoenix Sky Harbor Intl Airport to Florida Keys takes 4h 17m

Direct flights go from Phoenix Sky Harbor Intl Airport to Florida Keys every day.

There are 2 airports near Florida Keys: Key West (EYW), Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Florida Keys?
Prices for flights from Phoenix Sky Harbor Intl Airport to Florida Keys were last updated today.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Florida Keys?
The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Florida Keys is 9 as of July 2025.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Florida Keys?
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 Phoenix Sky Harbor Intl Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from Phoenix Sky Harbor Intl Airport to Florida Keys is Boeing 737 MAX 8, representing 14.12% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 11.87%, Boeing 737-800 at 10.83%, and Airbus A321-100/200 at 9.79%.

Best airlines flying from Phoenix Sky Harbor Intl Airport to Florida Keys

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $208	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $262	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $334	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Florida Keys?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Florida Keys from Phoenix.

Can I find flights from Phoenix to Florida Keys with flexible booking policies on momondo?

momondo does allow users to show only those flights to Florida Keys from Phoenix which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Phoenix to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Phoenix to Florida Keys right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Florida Keys, momondo offers a useful price alert feature which will track prices for flights to Florida Keys from Phoenix and alert you when they change.

An easier way to manage your Florida Keys 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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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $39

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Flights to Miamifrom $58

Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Phoenix Sky Harbor Intl Airport to Florida Keys from $78

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Florida Keys

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Phoenix Sky Harbor Intl Airport to Florida Keys

Our best Spirit Airlines deals on Phoenix Sky Harbor Intl Airport to Florida Keys flight tickets

Frontier flights from Phoenix Sky Harbor Intl Airport to Florida Keys

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Florida Keys flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Florida Keys that are best for you.

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Florida Keys

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 Florida Keys?

The month of February is another great option to travel to Florida Keys, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $364.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Florida Keys is on a Saturday when prices can be found for as low as $528. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $639.

What is the cheapest time of day to depart on your flight to Florida Keys?

How far in advance should I book a flight to Florida Keys?

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Florida Keys.

What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Florida Keys?

Southwest, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Phoenix Sky Harbor Intl Airport to Florida Keys on average per week?

As of July 2025, there are 113 flights per week flying from Phoenix Sky Harbor Intl Airport to Florida Keys. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.

Cheap Phoenix Sky Harbor Intl Airport to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Florida Keys

Best Price Found

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Florida Keys?

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Florida Keys?

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Florida Keys?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Florida Keys

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Florida Keys?

Can I find flights from Phoenix to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Phoenix to Florida Keys?

I’m not ready to book a flight from Phoenix to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys 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 Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo