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

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

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 March 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.

$118 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 March 2026, there are 144 flights per week flying from Phoenix Sky Harbor Intl Airport to Florida Keys. The most common day of the week flights depart is Sat, 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

Enter your travel dates to find the best prices.

3:11 pm - 10:17 am

PHX

MIA

16h 06m

2 stops

7:20 am - 10:17 am

MIA

PHX

29h 57m

1 stop

$243Multiple Airlines

Fri, Apr 3 - Wed, Apr 8

9:24 pm - 11:44 am

PHX

MIA

35h 20m

2 stops

5:05 am - 11:41 am

MIA

PHX

9h 36m

1 stop

$244Frontier

Fri, Apr 10 - Sat, Apr 18

6:07 pm - 1:29 pm

PHX

MIA

16h 22m

1 stop

5:05 am - 11:41 am

MIA

PHX

9h 36m

1 stop

$245Frontier

Wed, Apr 8 - Sat, Apr 18

8:46 am - 1:02 pm

PHX

MIA

25h 16m

1 stop

5:05 am - 2:33 pm

MIA

PHX

12h 28m

2 stops

$246Frontier

Fri, Apr 3 - Wed, Apr 8

6:50 am - 10:31 pm

PHX

MIA

12h 41m

2 stops

3:54 pm - 9:24 pm

MIA

PHX

8h 30m

1 stop

$247Multiple Airlines

Wed, Apr 15 - Fri, Apr 17

3:11 pm - 5:49 am

PHX

MIA

11h 38m

1 stop

3:54 pm - 9:24 pm

MIA

PHX

8h 30m

1 stop

$248Multiple Airlines

Mon, Apr 13 - Fri, May 1

6:05 am - 3:57 pm

PHX

EYW

6h 52m

1 stop

2:35 pm - 10:58 pm

EYW

PHX

11h 23m

1 stop

$369United Airlines

Wed, Apr 15 - Wed, Apr 22

10:49 pm - 10:55 am

PHX

EYW

9h 06m

1 stop

1:28 pm - 6:17 pm

EYW

PHX

7h 49m

1 stop

$377American Airlines

Sat, Sep 12 - Sat, Sep 19

6:10 am - 6:27 pm

PHX

EYW

9h 17m

2 stops

1:28 pm - 7:47 pm

EYW

PHX

9h 19m

1 stop

$382American Airlines

Sat, Sep 12 - Sat, Sep 19

10:00 am - 7:45 pm

PHX

EYW

6h 45m

1 stop

2:35 pm - 8:29 pm

EYW

PHX

8h 54m

1 stop

$389Delta

Sat, Sep 12 - Fri, Sep 18

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

Apr 10

PHX9:24 pmPhoenix Sky Harbor Intl

35h 20m

2 stops

MIA11:44 amMiami

Apr 18

MIA5:05 amMiami

9h 36m

1 stop

PHX11:41 amPhoenix Sky Harbor Intl

$244

Frontier

Apr 8

PHX12:50 pmPhoenix Sky Harbor Intl

17h 54m

2 stops

MIA9:44 amMiami

Apr 14

MIA8:42 amMiami

12h 15m

1 stop

PHX5:57 pmPhoenix Sky Harbor Intl

$245

Frontier

Apr 3

PHX8:46 amPhoenix Sky Harbor Intl

25h 16m

1 stop

MIA1:02 pmMiami

Apr 8

MIA5:05 amMiami

12h 28m

2 stops

PHX2:33 pmPhoenix Sky Harbor Intl

$246

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

Apr 4

PHX9:55 pmPhoenix Sky Harbor Intl

4h 08m

MIA5:03 amMiami

Apr 11

MIA10:00 pmMiami

4h 59m

PHX11:59 pmPhoenix Sky Harbor Intl

$287

American Airlines

Apr 16

PHX11:15 amPhoenix Sky Harbor Intl

8h 43m

1 stop

EYW10:58 pmKey West

Apr 24

EYW2:01 pmKey West

8h 33m

1 stop

PHX7:34 pmPhoenix Sky Harbor Intl

$377

American Airlines

Sep 12

PHX6:10 amPhoenix Sky Harbor Intl

9h 17m

2 stops

EYW6:27 pmKey West

Sep 19

EYW1:28 pmKey West

9h 19m

1 stop

PHX7:47 pmPhoenix Sky Harbor Intl

$382

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

Cheapest round-trip

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 4/3

3:11 pm-10:17 am

2 stops16h 06m

Miami

Wed 4/8

7:20 am-10:17 am

1 stop29h 57m

$243

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 4/10

9:24 pm-11:44 am

2 stops35h 20m

Miami

Sat 4/18

5:05 am-11:41 am

1 stop9h 36m

$244

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 4/8

6:07 pm-1:29 pm

1 stop16h 22m

Miami

Sat 4/18

5:05 am-11:41 am

1 stop9h 36m

$245

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 4/3

8:46 am-1:02 pm

1 stop25h 16m

Miami

Wed 4/8

5:05 am-2:33 pm

2 stops12h 28m

$246

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 4/15

6:50 am-10:31 pm

2 stops12h 41m

Miami

Fri 4/17

3:54 pm-9:24 pm

1 stop8h 30m

$247

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Mon 4/13

3:11 pm-5:49 am

1 stop11h 38m

Miami

Fri 5/1

3:54 pm-9:24 pm

1 stop8h 30m

$248

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Wed 4/15

6:05 am-3:57 pm

1 stop6h 52m

Key West

Wed 4/22

2:35 pm-10:58 pm

1 stop11h 23m

$369

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sat 9/12

10:49 pm-10:55 am

1 stop9h 06m

Key West

Sat 9/19

1:28 pm-6:17 pm

1 stop7h 49m

$377

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sat 9/12

6:10 am-6:27 pm

2 stops9h 17m

Key West

Sat 9/19

1:28 pm-7:47 pm

1 stop9h 19m

$382

Quickest round-trip

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sat 9/12

10:00 am-7:45 pm

1 stop6h 45m

Key West

Fri 9/18

2:35 pm-8:29 pm

1 stop8h 54m

$389

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 September is another great option to travel to Florida Keys, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $366.

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 Wednesday when prices can be found for as low as $523. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $661.

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 $428. 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 $635.

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 $395 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 $348 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 08m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Phoenix Sky Harbor Intl Airport to Florida Keys takes 4h 08m

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 March 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 18.17% of all bookings. The subsequent popular models are Boeing 737-800 at 14.24%, Airbus A321-100/200 at 10.85%, and Airbus A320neo at 10.57%.

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 7.1 11,488 reviews		Search American Airlines flights
Delta	PriceFrom $262	Free Cancellation	Rating 7.9 8,314 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.