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

Southwest, Frontier, and Delta are the most popular carriers operating from Phoenix Sky Harbor Intl to Florida Keys

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.

$94 Cheap Flights from Phoenix Sky Harbor Intl Airport to Florida Keys in 2026

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

As of February 2026, 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 Fri, with 16% 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

Enter your travel dates to find the best prices.

2:25 pm - 12:42 am

PHX

MIA

8h 17m

1 stop

5:50 am - 11:54 am

MIA

PHX

9h 04m

1 stop

$218Frontier

jue., mar. 5 - lun., mar. 9

6:00 am - 5:14 am

PHX

MIA

21h 14m

1 stop

5:45 am - 5:19 pm

MIA

PHX

13h 34m

1 stop

$219Frontier

mar., feb. 17 - mar., feb. 24

8:04 pm - 10:28 am

PHX

MIA

12h 24m

2 stops

11:28 am - 6:28 pm

MIA

PHX

9h 00m

1 stop

$220Frontier

sáb., feb. 14 - jue., feb. 26

7:06 pm - 5:14 am

PHX

MIA

8h 08m

1 stop

9:18 pm - 11:07 am

MIA

PHX

15h 49m

2 stops

$222Multiple Airlines

sáb., feb. 14 - lun., feb. 23

6:24 pm - 3:18 pm

PHX

MIA

18h 54m

1 stop

7:04 pm - 7:37 am

MIA

PHX

15h 33m

1 stop

$223Frontier

vie., mar. 6 - jue., mar. 12

5:13 pm - 8:51 pm

PHX

MIA

24h 38m

1 stop

7:04 pm - 7:37 am

MIA

PHX

15h 33m

1 stop

$224Multiple Airlines

lun., mar. 9 - jue., mar. 12

11:59 pm - 12:03 pm

PHX

EYW

10h 04m

1 stop

7:45 pm - 12:59 am

EYW

PHX

7h 14m

1 stop

$267American Airlines

lun., feb. 23 - vie., feb. 27

11:59 pm - 12:38 pm

PHX

EYW

9h 39m

1 stop

3:58 pm - 10:04 pm

EYW

PHX

9h 06m

1 stop

$314American Airlines

sáb., abr. 11 - mié., abr. 15

10:35 pm - 10:50 am

PHX

EYW

9h 15m

1 stop

6:19 pm - 10:39 pm

EYW

PHX

7h 20m

1 stop

$340Delta

jue., abr. 23 - mar., abr. 28

10:35 pm - 10:50 am

PHX

EYW

9h 15m

1 stop

6:19 pm - 10:39 pm

EYW

PHX

7h 20m

1 stop

$359Delta

jue., abr. 23 - mar., abr. 28

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

Mar 5

PHX2:25 pmPhoenix Sky Harbor Intl

8h 17m

1 stop

MIA12:42 amMiami

Mar 9

MIA5:50 amMiami

9h 04m

1 stop

PHX11:54 amPhoenix Sky Harbor Intl

$218

Frontier

Feb 17

PHX6:00 amPhoenix Sky Harbor Intl

21h 14m

1 stop

MIA5:14 amMiami

Feb 24

MIA5:45 amMiami

13h 34m

1 stop

PHX5:19 pmPhoenix Sky Harbor Intl

$219

Frontier

Feb 14

PHX8:04 pmPhoenix Sky Harbor Intl

12h 24m

2 stops

MIA10:28 amMiami

Feb 26

MIA11:28 amMiami

9h 00m

1 stop

PHX6:28 pmPhoenix Sky Harbor Intl

$220

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

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

American Airlines

Feb 23

PHX11:59 pmPhoenix Sky Harbor Intl

10h 04m

1 stop

EYW12:03 pmKey West

Feb 27

EYW3:51 pmKey West

9h 11m

1 stop

PHX11:02 pmPhoenix Sky Harbor Intl

$267

American Airlines

Apr 11

PHX11:59 pmPhoenix Sky Harbor Intl

9h 39m

1 stop

EYW12:38 pmKey West

Apr 15

EYW4:20 pmKey West

10h 39m

1 stop

PHX11:59 pmPhoenix Sky Harbor Intl

$314

American Airlines

Feb 18

PHX1:31 pmPhoenix Sky Harbor Intl

6h 51m

1 stop

EYW10:22 pmKey West

Feb 25

EYW7:45 pmKey West

7h 14m

1 stop

PHX12:59 amPhoenix Sky Harbor Intl

$321

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

jue. 3/5

2:25 pm-12:42 am

1 stop8h 17m

Miami

lun. 3/9

5:50 am-11:54 am

1 stop9h 04m

$218

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

mar. 2/17

6:00 am-5:14 am

1 stop21h 14m

Miami

mar. 2/24

5:45 am-5:19 pm

1 stop13h 34m

$219

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

sáb. 2/14

8:04 pm-10:28 am

2 stops12h 24m

Miami

jue. 2/26

11:28 am-6:28 pm

1 stop9h 00m

$220

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

sáb. 2/14

7:06 pm-5:14 am

1 stop8h 08m

Miami

lun. 2/23

9:18 pm-11:07 am

2 stops15h 49m

$222

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

vie. 3/6

6:24 pm-3:18 pm

1 stop18h 54m

Miami

jue. 3/12

7:04 pm-7:37 am

1 stop15h 33m

$223

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

lun. 3/9

5:13 pm-8:51 pm

1 stop24h 38m

Miami

jue. 3/12

7:04 pm-7:37 am

1 stop15h 33m

$224

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

lun. 2/23

11:59 pm-12:03 pm

1 stop10h 04m

Key West

vie. 2/27

7:45 pm-12:59 am

1 stop7h 14m

$267

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

sáb. 4/11

11:59 pm-12:38 pm

1 stop9h 39m

Key West

mié. 4/15

3:58 pm-10:04 pm

1 stop9h 06m

$314

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

jue. 4/23

10:35 pm-10:50 am

1 stop9h 15m

Key West

mar. 4/28

6:19 pm-10:39 pm

1 stop7h 20m

$340

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

jue. 4/23

10:35 pm-10:50 am

1 stop9h 15m

Key West

mar. 4/28

6:19 pm-10:39 pm

1 stop7h 20m

$359

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 April is another great option to travel to Florida Keys, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $354.

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 $514. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $654.

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 $631.

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 $392 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 $336 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

Fastest flight time	4h 05m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Phoenix Sky Harbor Intl Airport to Florida Keys takes 4h 05m

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

There are 3 airports in Florida Keys. From Phoenix Sky Harbor Intl Airport there are direct flights to 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 8 as of February 2026.
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 17.01% of all bookings. The subsequent popular models are Boeing 737-800 at 14.58%, Airbus A321-100/200 at 11.17%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 9.56%.

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 $244	Free Cancellation	Rating 7.2 11,212 reviews		Search American Airlines flights
Delta	PriceFrom $262	Free Cancellation	Rating 7.9 8,132 reviews		Search Delta 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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Popular cities in Florida Keys

Flights to New Yorkfrom $49

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Flights to Orlandofrom $49

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $42

Flights to Dallasfrom $51

Flights to Seattlefrom $73

Phoenix Sky Harbor Intl Airport flight routes

Flights from Phoenix Sky Harbor Intl to Los Angeles

Flights from Phoenix Sky Harbor Intl to San Diego

Flights from Phoenix Sky Harbor Intl to Las Vegas Harry Reid Intl

Flights from Phoenix Sky Harbor Intl to Chicago Midway

Flights from Phoenix Sky Harbor Intl to Santa Ana J. Wayne/Orange Cnty

Flights from Phoenix Sky Harbor Intl to Salt Lake City

Cheap flights from Phoenix Sky Harbor Intl Airport to Florida Keys from $94

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

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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

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

Our best American Airlines 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

What is the cheapest month to fly to Florida Keys?

The month of April is another great option to travel to Florida Keys, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $354.

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 $514. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $654.

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, Frontier, and Delta are the most popular carriers operating from Phoenix Sky Harbor Intl to Florida Keys

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

As of February 2026, 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 Fri, with 16% 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

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