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Cheap flights from Phoenix Sky Harbor Intl Airport to Florida Keys from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Florida Keys departing on 5/26. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:40 pm - 1:49 pm
PHX
-
MIA
11h 09m
1 stop
Frontier Logo
6:00 am - 3:48 pm
MIA
-
PHX
12h 48m
1 stop
$315Frontier
Wed, Jun 24 - Tue, Jun 30
Frontier Logo
6:51 pm - 5:33 am
PHX
-
MIA
7h 42m
1 stop
Frontier Logo
8:10 am - 9:20 pm
MIA
-
PHX
16h 10m
2 stops
$316Frontier
Sat, May 23 - Wed, Jun 3
Frontier Logo
10:27 pm - 6:43 pm
PHX
-
MIA
17h 16m
2 stops
Frontier Logo
6:30 am - 9:10 pm
MIA
-
PHX
17h 40m
1 stop
$317Frontier
Tue, May 26 - Thu, Jun 4
Frontier Logo
12:29 pm - 4:27 pm
PHX
-
MIA
24h 58m
2 stops
Frontier Logo
6:00 am - 7:45 am
MIA
-
PHX
28h 45m
1 stop
$318Frontier
Mon, Jun 1 - Sun, Jun 14
Frontier Logo
6:51 pm - 10:47 pm
PHX
-
MIA
24h 56m
2 stops
Frontier Logo
11:23 am - 8:33 pm
MIA
-
PHX
12h 10m
1 stop
$319Frontier
Mon, Jun 1 - Fri, Jun 5
Multiple Airlines Logo
5:01 pm - 9:41 am
PHX
-
EYW
13h 40m
1 stop
Multiple Airlines Logo
9:31 pm - 10:57 pm
EYW
-
PHX
28h 26m
2 stops
$339Multiple Airlines
Thu, Aug 6 - Sun, Aug 9
Delta Logo
5:45 am - 5:23 pm
PHX
-
EYW
8h 38m
1 stop
Delta Logo
7:50 am - 2:18 pm
EYW
-
PHX
9h 28m
1 stop
$367Delta
Wed, Jul 22 - Wed, Jul 29
American Airlines Logo
5:00 am - 6:31 pm
PHX
-
EYW
10h 31m
2 stops
American Airlines Logo
5:15 pm - 9:39 pm
EYW
-
PHX
7h 24m
1 stop
$372American Airlines
Tue, Sep 1 - Sat, Sep 12
Delta Logo
11:59 pm - 10:50 am
PHX
-
EYW
7h 51m
1 stop
Delta Logo
7:40 am - 12:08 pm
EYW
-
PHX
7h 28m
1 stop
$377Delta
Sat, Aug 15 - Wed, Aug 19
American Airlines Logo
5:00 am - 4:11 pm
PHX
-
EYW
8h 11m
1 stop
American Airlines Logo
1:49 pm - 9:49 pm
EYW
-
PHX
11h 00m
2 stops
$382American Airlines
Sat, Aug 15 - Wed, Aug 19

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
Jun 24
PHX11:40 pmPhoenix Sky Harbor Intl
11h 09m
1 stop
MIA1:49 pmMiami
Jun 30
MIA6:00 amMiami
12h 48m
1 stop
PHX3:48 pmPhoenix Sky Harbor Intl
$315
Frontier
May 23
PHX6:51 pmPhoenix Sky Harbor Intl
7h 42m
1 stop
MIA5:33 amMiami
Jun 3
MIA8:10 amMiami
16h 10m
2 stops
PHX9:20 pmPhoenix Sky Harbor Intl
$316
Frontier
May 26
PHX10:27 pmPhoenix Sky Harbor Intl
17h 16m
2 stops
MIA6:43 pmMiami
Jun 4
MIA6:30 amMiami
17h 40m
1 stop
PHX9:10 pmPhoenix Sky Harbor Intl
$317

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

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Florida Keys flight tickets
United Airlines
May 15
PHX11:10 pmPhoenix Sky Harbor Intl
11h 35m
1 stop
EYW1:45 pmKey West
May 21
EYW3:55 pmKey West
10h 42m
1 stop
PHX11:37 pmPhoenix Sky Harbor Intl
$564
United Airlines
May 16
PHX6:00 amPhoenix Sky Harbor Intl
7h 02m
1 stop
EYW4:02 pmKey West
May 21
EYW3:55 pmKey West
10h 42m
1 stop
PHX11:37 pmPhoenix Sky Harbor Intl
$637
United Airlines
May 9
PHX11:10 pmPhoenix Sky Harbor Intl
11h 35m
1 stop
EYW1:45 pmKey West
Jun 20
EYW2:26 pmKey West
12h 18m
1 stop
PHX11:44 pmPhoenix Sky Harbor Intl
$720

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 8, 2026.
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

Wed 6/24

11:40 pm-1:49 pm

1 stop11h 09m

Miami

Tue 6/30

6:00 am-3:48 pm

1 stop12h 48m

$315

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Sat 5/23

6:51 pm-5:33 am

1 stop7h 42m

Miami

Wed 6/3

8:10 am-9:20 pm

2 stops16h 10m

$316

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Tue 5/26

10:27 pm-6:43 pm

2 stops17h 16m

Miami

Thu 6/4

6:30 am-9:10 pm

1 stop17h 40m

$317

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Mon 6/1

12:29 pm-4:27 pm

2 stops24h 58m

Miami

Sun 6/14

6:00 am-7:45 am

1 stop28h 45m

$318

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Mon 6/1

6:51 pm-10:47 pm

2 stops24h 56m

Miami

Fri 6/5

11:23 am-8:33 pm

1 stop12h 10m

$319

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Thu 8/6

5:01 pm-9:41 am

1 stop13h 40m

Key West

Sun 8/9

9:31 pm-10:57 pm

2 stops28h 26m

$339

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Wed 7/22

5:45 am-5:23 pm

1 stop8h 38m

Key West

Wed 7/29

7:50 am-2:18 pm

1 stop9h 28m

$367

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 9/1

5:00 am-6:31 pm

2 stops10h 31m

Key West

Sat 9/12

5:15 pm-9:39 pm

1 stop7h 24m

$372
Quickest round-trip

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sat 8/15

11:59 pm-10:50 am

1 stop7h 51m

Key West

Wed 8/19

7:40 am-12:08 pm

1 stop7h 28m

$377

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sat 8/15

5:00 am-4:11 pm

1 stop8h 11m

Key West

Wed 8/19

1:49 pm-9:49 pm

2 stops11h 00m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 July is another great option to travel to Florida Keys, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $126.

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 $534. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $669.

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 $437. 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 $643.

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport 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 $402 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 $363 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 06m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from Phoenix Sky Harbor Intl Airport to Florida Keys takes 4h 06m
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

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Florida Keys

  • 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?

  • 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?

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
DeltaPriceFrom $213Free CancellationRating
7.9
8,456 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,667 reviews
Search American 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.

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