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Cheap flights from Phoenix Sky Harbor Intl Airport to Florida Keys from $116

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:48 pm - 5:51 am
PHX
-
MIA
10h 03m
1 stop
Frontier Logo
6:30 am - 12:34 pm
MIA
-
PHX
9h 04m
1 stop
$315Frontier
Wed, Jul 22 - Sun, Jul 26
Frontier Logo
10:09 pm - 11:05 pm
PHX
-
MIA
21h 56m
2 stops
Frontier Logo
8:00 am - 12:42 pm
MIA
-
PHX
7h 42m
1 stop
$316Frontier
Wed, Aug 19 - Wed, Aug 26
Frontier Logo
9:04 am - 12:31 am
PHX
-
MIA
12h 27m
1 stop
Frontier Logo
10:15 pm - 12:59 pm
MIA
-
PHX
17h 44m
1 stop
$317Frontier
Fri, Jul 17 - Mon, Jul 20
Frontier Logo
9:04 am - 12:31 am
PHX
-
MIA
12h 27m
1 stop
Frontier Logo
5:28 pm - 10:30 am
MIA
-
PHX
20h 02m
2 stops
$318Frontier
Wed, Jul 22 - Fri, Jul 24
Delta Logo
7:05 am - 5:20 pm
PHX
-
EYW
7h 15m
1 stop
Delta Logo
1:31 pm - 5:39 pm
EYW
-
PHX
7h 08m
1 stop
$413Delta
Tue, Aug 18 - Sat, Aug 22
American Airlines Logo
7:30 pm - 10:56 am
PHX
-
EYW
12h 26m
2 stops
American Airlines Logo
7:03 pm - 11:55 pm
EYW
-
PHX
7h 52m
1 stop
$458American Airlines
Tue, Aug 25 - Tue, Sep 1
American Airlines Logo
11:35 pm - 10:56 am
PHX
-
EYW
8h 21m
1 stop
American Airlines Logo
2:15 pm - 7:49 pm
EYW
-
PHX
8h 34m
1 stop
$471American Airlines
Mon, Sep 7 - Sat, Sep 12
Multiple Airlines Logo
4:20 pm - 9:41 am
PHX
-
EYW
14h 21m
1 stop
Multiple Airlines Logo
11:04 am - 10:31 pm
EYW
-
PHX
14h 27m
2 stops
$489Multiple Airlines
Sun, Jul 12 - Thu, Jul 16
Multiple Airlines Logo
4:20 pm - 9:41 am
PHX
-
EYW
14h 21m
1 stop
Multiple Airlines Logo
12:05 pm - 10:30 am
EYW
-
PHX
25h 25m
1 stop
$506Multiple Airlines
Sun, Jul 12 - Thu, Jul 16
Delta Logo
11:59 pm - 10:47 am
PHX
-
EYW
7h 48m
1 stop
Delta Logo
6:19 pm - 10:42 pm
EYW
-
PHX
7h 23m
1 stop
$527Delta
Thu, Sep 10 - Mon, Sep 14

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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
Frontier
Jul 22
PHX4:48 pmPhoenix Sky Harbor Intl
10h 03m
1 stop
MIA5:51 amMiami
Jul 26
MIA6:30 amMiami
9h 04m
1 stop
PHX12:34 pmPhoenix Sky Harbor Intl
$315
Frontier
Aug 19
PHX10:09 pmPhoenix Sky Harbor Intl
21h 56m
2 stops
MIA11:05 pmMiami
Aug 26
MIA8:00 amMiami
7h 42m
1 stop
PHX12:42 pmPhoenix Sky Harbor Intl
$316
Frontier
Jul 17
PHX9:04 amPhoenix Sky Harbor Intl
12h 27m
1 stop
MIA12:31 amMiami
Jul 20
MIA10:15 pmMiami
17h 44m
1 stop
PHX12:59 pmPhoenix Sky Harbor Intl
$317

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
Aug 22
PHX10:20 pmPhoenix Sky Harbor Intl
4h 22m
MIA5:42 amMiami
Aug 25
MIA2:20 pmMiami
4h 50m
PHX4:10 pmPhoenix Sky Harbor Intl
$355
American Airlines
Aug 22
PHX8:45 amPhoenix Sky Harbor Intl
4h 48m
MIA4:33 pmMiami
Aug 25
MIA8:50 amMiami
7h 09m
1 stop
PHX12:59 pmPhoenix Sky Harbor Intl
$365
American Airlines
Aug 25
PHX7:30 pmPhoenix Sky Harbor Intl
12h 26m
2 stops
EYW10:56 amKey West
Sep 1
EYW7:03 pmKey West
7h 52m
1 stop
PHX11:55 pmPhoenix Sky Harbor Intl
$458

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 June 29, 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 7/22

4:48 pm-5:51 am

1 stop10h 03m

Miami

Sun 7/26

6:30 am-12:34 pm

1 stop9h 04m

$315

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 8/19

10:09 pm-11:05 pm

2 stops21h 56m

Miami

Wed 8/26

8:00 am-12:42 pm

1 stop7h 42m

$316

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 7/17

9:04 am-12:31 am

1 stop12h 27m

Miami

Mon 7/20

10:15 pm-12:59 pm

1 stop17h 44m

$317

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 7/22

9:04 am-12:31 am

1 stop12h 27m

Miami

Fri 7/24

5:28 pm-10:30 am

2 stops20h 02m

$318
Quickest round-trip

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 8/18

7:05 am-5:20 pm

1 stop7h 15m

Key West

Sat 8/22

1:31 pm-5:39 pm

1 stop7h 08m

$413

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 8/25

7:30 pm-10:56 am

2 stops12h 26m

Key West

Tue 9/1

7:03 pm-11:55 pm

1 stop7h 52m

$458

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Mon 9/7

11:35 pm-10:56 am

1 stop8h 21m

Key West

Sat 9/12

2:15 pm-7:49 pm

1 stop8h 34m

$471

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 7/12

4:20 pm-9:41 am

1 stop14h 21m

Key West

Thu 7/16

11:04 am-10:31 pm

2 stops14h 27m

$489

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 7/12

4:20 pm-9:41 am

1 stop14h 21m

Key West

Thu 7/16

12:05 pm-10:30 am

1 stop25h 25m

$506

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Thu 9/10

11:59 pm-10:47 am

1 stop7h 48m

Key West

Mon 9/14

6:19 pm-10:42 pm

1 stop7h 23m

$527

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 $129.

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 $553. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $674.

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 $446. 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 $651.

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 $410 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 $373 on momondo.

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

You could potentially save up to 2% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Florida Keys flight.

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
7.8
8,449 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,768 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.

An easier way to manage your Florida Keys trip

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Find better results for your trip to Florida Keys

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