Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Phoenix Sky Harbor Intl Airport to Key West from $159

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 10/24. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

American Airlines Logo
2:08 pm - 11:07 pmPHX-EYW
6h 59m1 stop
American Airlines Logo
7:30 am - 4:23 pmEYW-PHX
10h 53m1 stop
$289American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
American Airlines Logo
11:38 am - 11:07 pmPHX-EYW
9h 29m2 stops
American Airlines Logo
2:39 pm - 7:57 pmEYW-PHX
7h 18m1 stop
$294American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
American Airlines Logo
11:38 am - 11:07 pmPHX-EYW
9h 29m2 stops
American Airlines Logo
7:00 am - 3:28 pmEYW-PHX
10h 28m2 stops
$299American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
Logo
4:56 pm - 1:39 pmPHX-EYW
18h 43m1 stop
Logo
9:57 am - 12:09 pmEYW-PHX
28h 12m2 stops
$346
Find Deal
Sun, Dec 7 - Fri, Dec 12
Logo
5:12 pm - 8:21 pmPHX-EYW
25h 09m1 stop
Logo
9:51 am - 9:44 pmEYW-PHX
37h 53m2 stops
$356
Find Deal
Sun, Nov 2 - Sat, Nov 8
Delta Logo
6:00 am - 5:10 pmPHX-EYW
9h 10m1 stop
Delta Logo
6:05 pm - 12:16 amEYW-PHX
8h 11m1 stop
$399Delta
Find Deal
Tue, Dec 2 - Mon, Dec 8
Delta Logo
5:10 pm - 11:03 amPHX-EYW
15h 53m2 stops
Delta Logo
6:00 pm - 12:36 pmEYW-PHX
20h 36m2 stops
$483Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
JetBlue Logo
10:59 pm - 12:09 pmPHX-EYW
10h 10m1 stop
JetBlue Logo
1:04 pm - 9:59 pmEYW-PHX
11h 55m1 stop
$522JetBlue
Find Deal
Sun, Oct 19 - Fri, Oct 24
United Airlines Logo
11:56 pm - 2:01 pmPHX-EYW
11h 05m1 stop
United Airlines Logo
3:12 pm - 9:28 amEYW-PHX
21h 16m2 stops
$593United Airlines
Find Deal
Mon, Sep 22 - Fri, Sep 26
United Airlines Logo
5:00 pm - 3:09 pmPHX-EYW
20h 09m2 stops
United Airlines Logo
3:02 pm - 9:53 amEYW-PHX
20h 51m2 stops
$599United Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 12

Delta flights from Phoenix Sky Harbor Intl Airport to Key West

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Key West flight tickets
Delta
Dec 2
PHX6:00 amPhoenix Sky Harbor Intl
9h 10m
1 stop
EYW5:10 pmKey West
Dec 8
EYW6:05 pmKey West
8h 11m
1 stop
PHX12:16 amPhoenix Sky Harbor Intl
$399
Find similar
Delta
Mar 3
PHX5:10 pmPhoenix Sky Harbor Intl
15h 53m
2 stops
EYW11:03 amKey West
Mar 4
EYW6:00 pmKey West
20h 36m
2 stops
PHX12:36 pmPhoenix Sky Harbor Intl
$483
Find similar
Delta
Mar 3
PHX5:10 pmPhoenix Sky Harbor Intl
15h 53m
2 stops
EYW11:03 amKey West
Mar 4
EYW6:00 pmKey West
20h 36m
2 stops
PHX12:36 pmPhoenix Sky Harbor Intl
$548
Find similar

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
Sep 22
PHX11:56 pmPhoenix Sky Harbor Intl
11h 05m
1 stop
EYW2:01 pmKey West
Sep 26
EYW3:12 pmKey West
21h 16m
2 stops
PHX9:28 amPhoenix Sky Harbor Intl
$593
Find similar
United Airlines
Dec 7
PHX5:00 pmPhoenix Sky Harbor Intl
20h 09m
2 stops
EYW3:09 pmKey West
Dec 12
EYW3:02 pmKey West
20h 51m
2 stops
PHX9:53 amPhoenix Sky Harbor Intl
$599
Find similar
United Airlines
Sep 22
PHX11:56 pmPhoenix Sky Harbor Intl
11h 05m
1 stop
EYW2:01 pmKey West
Sep 26
EYW3:12 pmKey West
25h 02m
3 stops
PHX1:14 pmPhoenix Sky Harbor Intl
$652
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 September 10, 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

Wed 12/10

2:08 pm-11:07 pm

1 stop6h 59m

Key West

Wed 12/17

7:30 am-4:23 pm

1 stop10h 53m

$289

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Wed 12/10

11:38 am-11:07 pm

2 stops9h 29m

Key West

Wed 12/17

2:39 pm-7:57 pm

1 stop7h 18m

$294

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Wed 12/10

11:38 am-11:07 pm

2 stops9h 29m

Key West

Wed 12/17

7:00 am-3:28 pm

2 stops10h 28m

$299

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 12/7

4:56 pm-1:39 pm

1 stop18h 43m

Key West

Fri 12/12

9:57 am-12:09 pm

2 stops28h 12m

$346

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 11/2

5:12 pm-8:21 pm

1 stop25h 09m

Key West

Sat 11/8

9:51 am-9:44 pm

2 stops37h 53m

$356

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 12/2

6:00 am-5:10 pm

1 stop9h 10m

Key West

Mon 12/8

6:05 pm-12:16 am

1 stop8h 11m

$399

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Tue 3/3

5:10 pm-11:03 am

2 stops15h 53m

Key West

Wed 3/4

6:00 pm-12:36 pm

2 stops20h 36m

$483

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 10/19

10:59 pm-12:09 pm

1 stop10h 10m

Key West

Fri 10/24

1:04 pm-9:59 pm

1 stop11h 55m

$522

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Mon 9/22

11:56 pm-2:01 pm

1 stop11h 05m

Key West

Fri 9/26

3:12 pm-9:28 am

2 stops21h 16m

$593

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 12/7

5:00 pm-3:09 pm

2 stops20h 09m

Key West

Fri 12/12

3:02 pm-9:53 am

2 stops20h 51m

$599

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $313. 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 $316.

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 $420 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

Direct flights

None
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 20m.

  • 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 $208Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $262Free CancellationRating
7.9
7,963 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,937 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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/10
Fri 10/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States