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Key Largo

$109+ Cheap flights from Sky Harbor Intl (PHX) to Key Largo, FL

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — MIA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Key Largo are usually found in September or February, booked 41 days in advance, depart on a Saturday or Thursday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Key Largo

Keep the following information in mind while searching for Sky Harbor Intl to Key Largo flight deals. Data was last updated June 12, 2025.

Round-trip from

$250
(Cheapflightsfares)

One-way from

$109
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$412
From Phoenix Sky Harbor Intl to Key Largo
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One-way flight from Phoenix Sky Harbor Intl to Key Largo
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Sky Harbor Intl to Key Largo

Cheapest flights from Sky Harbor Intl to Key Largo
Explore the most affordable flight options available from Sky Harbor Intl to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/59:46 pmPHX - MIA
1 stop8h 20mSpirit Airlines
Fri 7/114:51 pmMIA - PHX
1 stop8h 43mSpirit Airlines
Deal found 6/11$250
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:16 pmPHX - MIA
2 stops22h 09mMultiple Airlines
Sun 9/283:03 pmMIA - PHX
1 stop10h 12mMultiple Airlines
Deal found 6/10$253
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:29 pmPHX - MIA
1 stop7h 16mFrontier
Thu 7/37:15 amMIA - PHX
1 stop14h 09mFrontier
Deal found 6/11$256
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:20 pmPHX - MIA
1 stop9h 47mDelta
Mon 9/156:45 pmMIA - PHX
1 stop7h 56mDelta
Deal found 6/12$257
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:10 amPHX - MIA
1 stop6h 10mSouthwest
Tue 9/309:05 amMIA - PHX
1 stop12h 45mSouthwest
Deal found 6/11$258
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.
Thu 11/134:16 pmPHX - MIA
Nonstop4h 11mAmerican Airlines
Mon 11/179:00 pmMIA - PHX
Nonstop5h 16mAmerican Airlines
Deal found 6/12$273
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:15 pmPHX - MIA
1 stop20h 16mAlaska Airlines
Tue 9/306:31 pmMIA - PHX
1 stop32h 24mAlaska Airlines
Deal found 6/9$289
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:26 pmPHX - MIA
1 stop13h 55mSun Country Air
Sun 12/145:33 pmMIA - PHX
1 stop23h 05mSun Country Air
Deal found 6/9$340

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl to Key Largo 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 June 12, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Key Largo that are best for you.

Fly from

Sky Harbor Intl

Fly to

Key Largo

Route

Depart

Return

Price

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Sat 7/5

9:46 pm-9:06 am

1 stop8h 20m

Miami

Fri 7/11

4:51 pm-10:34 pm

1 stop8h 43m

$250

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 6/25

7:29 pm-5:45 am

1 stop7h 16m

Miami

Thu 7/3

7:15 am-6:24 pm

1 stop14h 09m

$256

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 6/20

12:54 pm-5:55 am

1 stop14h 01m

Miami

Sat 6/28

6:00 am-11:01 am

1 stop8h 01m

$273

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 8/14

6:40 am-5:29 pm

1 stop7h 49m

Miami

Tue 8/19

7:30 am-12:27 pm

1 stop7h 57m

$293

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 8/7

5:55 am-5:20 pm

2 stops8h 25m

Miami

Fri 8/15

8:00 am-1:05 pm

2 stops8h 05m

$305

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Sat 8/30

11:50 pm-7:16 am

Nonstop4h 26m

Miami

Thu 9/4

5:38 pm-7:27 pm

Nonstop4h 49m

$310

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 8/14

3:47 pm-5:20 pm

1 stop22h 33m

Miami

Tue 8/19

6:20 pm-9:50 am

2 stops18h 30m

$368

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 7/30

11:34 pm-10:11 am

1 stop7h 37m

$109

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 8/29

7:10 pm-6:30 am

1 stop8h 20m

$123

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 7/10

6:00 am-5:38 am

1 stop20h 38m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 17 results
1
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Best time to book a flight from Sky Harbor Intl to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo 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 Largo

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Key Largo. Price data was last updated on June 9, 2025.

Booking 41 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 Largo. 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 Largo?

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Key Largo (average of $228). Flying from Phoenix Sky Harbor Intl Airport to Key Largo in March is currently the most expensive (average of $289). 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.

What is the cheapest time of day to fly from PHX to KE9?

Find hourly flight availability from Sky Harbor Intl to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Key Largo flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Key Largo

Explore weekly flight availability from Sky Harbor Intl to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from PHX to KE9 are scheduled on a Tuesday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July 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 68.0 F).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Largo. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Phoenix to Key Largo to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Key Largo one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $109. Frontier flights start at $123 while deals on American Airlines start at $138 one-way.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Key Largo on time: Qatar Airways (97%), Iberia (91%), American Airlines (90%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Key Largo?

    While on average a flight from Phoenix Sky Harbor Intl Airport to Key Largo is generally $1,127, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Phoenix Sky Harbor Intl - Miami), you can expect to pay $186 for that flight.

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

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

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

    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 Largo.

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Key Largo 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 Largo?

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Key Largo (average of $228). Flying from Phoenix Sky Harbor Intl Airport to Key Largo in March is currently the most expensive (average of $289). 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

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Top 9 airlines flying from Sky Harbor Intl to Key Largo

Discover the top 9 airlines that operate flights from Sky Harbor Intl to Key Largo. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$197FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$94Average$182FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$194Average$385FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$196Average$392FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$216Average$383FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$226Average$397FlexibilityNo cancel feeOn-time75%
DeltaCheapest$232Average$363FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$246Average$435FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$345Average$373FlexibilityNo cancel feeOn-time83%

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