HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$289+ Cheap flights from Sky Harbor Intl (PHX) to Key West (EYW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — EYW
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$289
(Delta)

Popular in

April

Cheapest in

July

Average price

$598
From Phoenix Sky Harbor Intl to Key West
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 12/107:30 amPHX - EYW
1 stop9h 00mAmerican Airlines
mié. 12/173:09 pmEYW - PHX
1 stop10h 03mAmerican Airlines
Deal found 6/12$289
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2211:59 pmPHX - EYW
1 stop7h 57mDelta
dom. 8/246:22 pmEYW - PHX
1 stop7h 27mDelta
Deal found 6/10$314
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/13:51 pmPHX - EYW
1 stop19h 05mMultiple Airlines
lun. 9/812:32 pmEYW - PHX
2 stops28h 39mMultiple Airlines
Deal found 6/11$318
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/293:51 pmPHX - EYW
2 stops19h 44mAllegiant Air
dom. 9/712:29 pmEYW - PHX
1 stop27h 49mAllegiant Air
Deal found 6/11$335
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/309:10 pmPHX - EYW
1 stop11h 12mJetBlue
mié. 11/512:07 pmEYW - PHX
1 stop10h 52mJetBlue
Deal found 6/10$345
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:20 pmPHX - EYW
2 stops17h 40mUnited Airlines
jue. 11/66:45 pmEYW - PHX
2 stops23h 52mUnited Airlines
Deal found 6/9$436

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 junio 12, 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

lun. 7/14

11:59 pm-10:51 am

1 stop7h 52m

Key West

mié. 7/23

6:27 pm-10:45 pm

1 stop7h 18m

$289

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

mié. 8/6

6:00 am-7:07 pm

2 stops10h 07m

Key West

mar. 8/12

2:31 pm-8:21 pm

1 stop8h 50m

$294

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

lun. 9/1

3:51 pm-1:56 pm

1 stop19h 05m

Key West

lun. 9/8

12:32 pm-2:11 pm

2 stops28h 39m

$318

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

vie. 8/29

3:51 pm-2:35 pm

2 stops19h 44m

Key West

dom. 9/7

12:29 pm-1:18 pm

1 stop27h 49m

$335

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

mié. 8/13

6:45 pm-6:05 pm

2 stops20h 20m

Key West

lun. 8/18

2:45 pm-5:39 pm

3 stops29h 54m

$456

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

dom. 6/15

12:54 pm-1:17 pm

2 stops21h 23m

$375

PhoenixKey West

PHX - EYW

PHXEYW

Phoenix Sky Harbor Intl

dom. 6/15

11:13 pm-12:53 pm

1 stop10h 40m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 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 $493). 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.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 junio 12, 2025.
To help decide which airline to fly from Phoenix to Key West, see what other customers have to say about Delta, United Airlines and Allegiant Air. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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.

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

    Delta, at $289, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Key West.Alternate airlines to your destination round-trip include American Airlines and Allegiant Air. You may be able to fly from Phoenix Sky Harbor Intl Airport to Key West for 30% 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 $493). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$401FlexibilityNo cancel feeOn-time71%
DeltaCheapest$265Average$393FlexibilityNo 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.