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Cheap flights from Phoenix Sky Harbor Intl Airport to Key West from $124

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 Key West departing on 1/29. 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
0 bags

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:22 pm - 9:47 pm
PHX
-
EYW
7h 25m1 stop
American Airlines Logo
1:22 pm - 8:10 pm
EYW
-
PHX
8h 48m1 stop
$242American Airlines
Thu, Jan 8 - Tue, Jan 13
American Airlines Logo
1:15 pm - 11:56 pm
PHX
-
EYW
8h 41m2 stops
American Airlines Logo
7:45 pm - 12:55 am
EYW
-
PHX
7h 10m1 stop
$247American Airlines
Thu, Jan 8 - Tue, Jan 13
American Airlines Logo
1:15 pm - 11:56 pm
PHX
-
EYW
8h 41m2 stops
American Airlines Logo
6:06 am - 2:36 pm
EYW
-
PHX
10h 30m2 stops
$252American Airlines
Thu, Jan 8 - Tue, Jan 13
Multiple Airlines Logo
1:16 pm - 4:51 pm
PHX
-
EYW
25h 35m1 stop
Multiple Airlines Logo
12:51 pm - 4:01 pm
EYW
-
PHX
29h 10m2 stops
$286Multiple Airlines
Sun, Jan 11 - Sun, Jan 18
American Airlines Logo
5:00 am - 2:18 pm
PHX
-
EYW
7h 18m1 stop
American Airlines Logo
7:45 pm - 12:55 am
EYW
-
PHX
7h 10m1 stop
$296American Airlines
Tue, Jan 6 - Mon, Jan 12
American Airlines Logo
7:28 am - 7:10 pm
PHX
-
EYW
9h 42m2 stops
American Airlines Logo
4:37 pm - 10:57 pm
EYW
-
PHX
8h 20m1 stop
$301American Airlines
Tue, Jan 13 - Tue, Jan 20
Delta Logo
11:55 pm - 10:58 am
PHX
-
EYW
8h 03m1 stop
Delta Logo
6:00 pm - 11:02 pm
EYW
-
PHX
8h 02m1 stop
$359Delta
Sat, Apr 18 - Sat, May 2
American Airlines Logo
5:00 am - 4:49 pm
PHX
-
EYW
9h 49m2 stops
American Airlines Logo
7:45 pm - 12:55 am
EYW
-
PHX
7h 10m1 stop
$360American Airlines
Tue, Jan 6 - Mon, Jan 12
Delta Logo
6:00 am - 5:11 pm
PHX
-
EYW
9h 11m1 stop
Delta Logo
6:06 pm - 11:41 pm
EYW
-
PHX
7h 35m1 stop
$389Delta
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
10:42 am - 9:39 am
PHX
-
EYW
20h 57m1 stop
Multiple Airlines Logo
10:37 pm - 11:23 pm
EYW
-
PHX
26h 46m2 stops
$400Multiple Airlines
Tue, Dec 30 - Sun, Jan 4

United Airlines flights from Phoenix Sky Harbor Intl Airport to Key West

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Key West flight tickets
United Airlines
Feb 2
PHX4:31 pmPhoenix Sky Harbor Intl
20h 46m
2 stops
EYW3:17 pmKey West
Feb 6
EYW6:05 pmKey West
26h 01m
2 stops
PHX6:06 pmPhoenix Sky Harbor Intl
$555
Find similar
United Airlines
Jan 8
PHX10:22 amPhoenix Sky Harbor Intl
26h 55m
1 stop
EYW3:17 pmKey West
Jan 12
EYW4:15 pmKey West
8h 44m
1 stop
PHX10:59 pmPhoenix Sky Harbor Intl
$646
Find similar
United Airlines
Dec 18
PHX12:28 amPhoenix Sky Harbor Intl
11h 45m
1 stop
EYW2:13 pmKey West
Dec 26
EYW4:29 pmKey West
10h 45m
2 stops
PHX1:14 amPhoenix Sky Harbor Intl
$650
Find similar

American Airlines flights from Phoenix Sky Harbor Intl Airport to Key West

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Key West flight tickets
American Airlines
Jan 8
PHX12:22 pmPhoenix Sky Harbor Intl
7h 25m
1 stop
EYW9:47 pmKey West
Jan 13
EYW1:22 pmKey West
8h 48m
1 stop
PHX8:10 pmPhoenix Sky Harbor Intl
$242
Find similar
American Airlines
Jan 8
PHX1:15 pmPhoenix Sky Harbor Intl
8h 41m
2 stops
EYW11:56 pmKey West
Jan 13
EYW7:45 pmKey West
7h 10m
1 stop
PHX12:55 amPhoenix Sky Harbor Intl
$247
Find similar
American Airlines
Jan 8
PHX1:15 pmPhoenix Sky Harbor Intl
8h 41m
2 stops
EYW11:56 pmKey West
Jan 13
EYW6:06 amKey West
10h 30m
2 stops
PHX2:36 pmPhoenix Sky Harbor Intl
$252
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Key West 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 December 15, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Thu 1/8

12:22 pm-9:47 pm

1 stop7h 25m

Key West

Tue 1/13

1:22 pm-8:10 pm

1 stop8h 48m

$242

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Thu 1/8

1:15 pm-11:56 pm

2 stops8h 41m

Key West

Tue 1/13

7:45 pm-12:55 am

1 stop7h 10m

$247

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Thu 1/8

1:15 pm-11:56 pm

2 stops8h 41m

Key West

Tue 1/13

6:06 am-2:36 pm

2 stops10h 30m

$252

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 1/11

1:16 pm-4:51 pm

1 stop25h 35m

Key West

Sun 1/18

12:51 pm-4:01 pm

2 stops29h 10m

$286

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 1/6

5:00 am-2:18 pm

1 stop7h 18m

Key West

Mon 1/12

7:45 pm-12:55 am

1 stop7h 10m

$296

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 1/13

7:28 am-7:10 pm

2 stops9h 42m

Key West

Tue 1/20

4:37 pm-10:57 pm

1 stop8h 20m

$301

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sat 4/18

11:55 pm-10:58 am

1 stop8h 03m

Key West

Sat 5/2

6:00 pm-11:02 pm

1 stop8h 02m

$359

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 1/6

5:00 am-4:49 pm

2 stops9h 49m

Key West

Mon 1/12

7:45 pm-12:55 am

1 stop7h 10m

$360

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 1/11

6:00 am-5:11 pm

1 stop9h 11m

Key West

Sun 1/18

6:06 pm-11:41 pm

1 stop7h 35m

$389

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 12/30

10:42 am-9:39 am

1 stop20h 57m

Key West

Sun 1/4

10:37 pm-11:23 pm

2 stops26h 46m

$400

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 Key West from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Key West

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 Key West?

In general, July is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $302. If you are unable to visit Key West during the month of July, then departing from Phoenix Sky Harbor Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $313.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Phoenix Sky Harbor Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $320. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to Key West for around $497.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to Key West in the morning for as low as $418. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the evening, with an average ticket price of $439. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $419 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Phoenix Sky Harbor Intl Airport for as low as $221 on momondo.

When to book flights from Phoenix Sky Harbor Intl Airport to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Key West (PHX to EYW) flight deals and tips

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

Fastest flight time

6h 43m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Key West takes 6h 43m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Key West. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Key West.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Key West by plane?

    Phoenix Sky Harbor Intl and Key West are 1915.8 mi apart from one another. By plane, this route typically takes 6h 43m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Key West Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Key West Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Key West Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Key West?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Key West

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $244Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $265Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Key West?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Key West. momondo saves you time and could save you money on your trip.

Can I find flights from Phoenix to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West 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 Key West?

Once all potential Phoenix to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Key West from Phoenix are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

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