HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$159+ Cheap flights from Sky Harbor Intl (PHX) to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — EYW
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Key West are usually found in July or August, booked 76 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$159
(Priceline)

Popular in

June

Cheapest in

July

Average price

$372
From Phoenix Sky Harbor Intl to Key West
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Key West
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Sky Harbor Intl to Key West

Cheapest flights from Sky Harbor Intl to Key West
Explore the most affordable flight options available from Sky Harbor Intl to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 amPHX - EYW
1 stop9h 07mAmerican Airlines
Wed 12/174:10 pmEYW - PHX
1 stop8h 36mAmerican Airlines
Deal found 9/11$289
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 amPHX - EYW
1 stop7h 29mAmerican Airlines
Sat 11/84:18 pmEYW - PHX
1 stop8h 39mAmerican Airlines
Deal found 9/9$314
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:58 pmPHX - EYW
1 stop7h 52mAmerican Airlines
Sun 11/237:53 pmEYW - PHX
1 stop6h 44mAmerican Airlines
Deal found 9/10$344
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:56 pmPHX - EYW
1 stop18h 43mMultiple Airlines
Fri 12/129:57 amEYW - PHX
2 stops28h 12mMultiple Airlines
Deal found 9/8$346
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:12 pmPHX - EYW
1 stop25h 09mMultiple Airlines
Sat 11/89:51 amEYW - PHX
2 stops37h 53mMultiple Airlines
Deal found 9/9$356
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:30 amPHX - EYW
2 stops9h 52mAmerican Airlines
Sat 11/82:36 pmEYW - PHX
1 stop8h 03mAmerican Airlines
Deal found 9/9$367
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:30 pmPHX - EYW
1 stop6h 20mAmerican Airlines
Mon 12/82:39 pmEYW - PHX
1 stop8h 36mAmerican Airlines
Deal found 9/11$369
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amPHX - EYW
1 stop9h 10mDelta
Mon 12/86:05 pmEYW - PHX
1 stop8h 11mDelta
Deal found 9/9$399

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 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

Sky Harbor Intl

Fly to

Key West

Route

Depart

Return

Price

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Wed 12/10

7:10 am-5:52 pm

1 stop8h 42m

Key West

Wed 12/17

4:10 pm-10:46 pm

1 stop8h 36m

$289

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Sun 11/2

7:00 am-4:29 pm

1 stop7h 29m

Key West

Sat 11/8

4:18 pm-10:57 pm

1 stop8h 39m

$314

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

3:30 pm-11:50 pm

1 stop6h 20m

Key West

Mon 12/8

2:39 pm-9:15 pm

1 stop8h 36m

$369

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

Fri 11/28

11:45 pm-11:55 am

1 stop10h 10m

$159

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Fri 10/24

9:58 pm-10:04 am

2 stops33h 06m

$184

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Wed 10/1

1:02 pm-9:16 am

2 stops41h 14m

$222

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

Fri 11/28

9:55 am-2:51 pm

3 stops26h 56m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
1
2

Best time to book a flight from Sky Harbor Intl to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Key West

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Key West. Price data was last updated on August 29, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Key West?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Key West (average of $328). Flying from Phoenix Sky Harbor Intl Airport to Key West in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Phoenix Sky Harbor Intl Airport to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from Phoenix Sky Harbor Intl?

    Located just 2.6 mi from the city center, Key West is the airport most travelers will use when flying to Key West from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Key West (EYW) should be relatively easy as there are 0 daily inbound flights from Phoenix Sky Harbor Intl from 3 different airlines.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Key West?

    Airlines like American Airlines fly from Phoenix Sky Harbor Intl Airport to Key West in about 8h 42m. The time it takes to get you to your destination can typically vary by up to . The distance from Phoenix Sky Harbor Intl Airport to Key West is about 1918 mi.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Key West round-trip?

    American Airlines, at $208, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Key West.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Phoenix Sky Harbor Intl Airport to Key West for 50% less than the average price by searching for these airlines.

  • Can I find deals for flights from Sky Harbor Intl to Key West that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Key West.

  • Can I find deals for business class flights from Sky Harbor Intl to Key West?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Key West?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Key West (average of $328). Flying from Phoenix Sky Harbor Intl Airport to Key West in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Sky Harbor Intl to Key West

Discover the top 3 airlines that operate flights from Sky Harbor Intl to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$208Average$403FlexibilityNo cancel feeOn-time71%
DeltaCheapest$262Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$334Average$426FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.