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Key Largo

$121+ Cheap flights from Phoenix 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — MIA
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Key Largo are usually found in September or April, booked 36 days in advance, depart on a Saturday or Thursday and return on a Wednesday

Cheap flight deals from Phoenix to Key Largo

Keep the following information in mind while searching for Phoenix to Key Largo flight deals. Data was last updated April 25, 2025.

Round-trip from

$247
(Kiwi.com)

One-way from

$121
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$354
From Phoenix to Key Largo
Search Deals
One-way flight from Phoenix to Key Largo
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 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 April 2025
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Find flight deals from Phoenix to Key Largo

Cheapest flights from Phoenix to Key Largo
Explore the most affordable flight options available from Phoenix to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Wed 5/141:17 pmPHX - MIA
1 stop13h 05mFrontier
Thu 5/225:15 pmMIA - PHX
1 stop9h 21mFrontier
Deal found 4/25$247
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 5/294:00 pmPHX - MIA
2 stops10h 45mUnited Airlines
Sun 6/16:30 amMIA - PHX
1 stop7h 12mUnited Airlines
Deal found 4/24$260
This JetBlue deal was found by Cheapflights users on 4/24. 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.
Fri 5/3010:23 pmPHX - MIA
1 stop10h 36mJetBlue
Tue 6/311:11 amMIA - PHX
1 stop13h 03mJetBlue
Deal found 4/24$263
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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.
Thu 6/1212:54 pmPHX - MIA
1 stop14h 01mSpirit Airlines
Thu 6/1910:11 amMIA - PHX
1 stop12h 54mSpirit Airlines
Deal found 4/23$276
This CheapOair deal was found by Cheapflights users on 4/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:29 pmPHX - MIA
1 stop7h 31mMultiple Airlines
Sun 6/1510:11 amMIA - PHX
1 stop12h 54mMultiple Airlines
Deal found 4/24$281
This Sun Country Air deal was found by Cheapflights users on 4/24. 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.
Sat 10/259:26 amPHX - MIA
1 stop22h 28mSun Country Air
Thu 10/3011:49 amMIA - PHX
1 stop8h 52mSun Country Air
Deal found 4/24$295
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
Fri 5/308:49 pmPHX - MIA
1 stop17h 32mAlaska Airlines
Tue 6/36:21 pmMIA - PHX
1 stop19h 27mAlaska Airlines
Deal found 4/25$313
This American Airlines deal was found by Cheapflights users on 4/24. 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 7/1010:43 pmPHX - MIA
1 stop8h 36mAmerican Airlines
Fri 7/1111:23 amMIA - PHX
Nonstop4h 35mAmerican Airlines
Deal found 4/24$317
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 5/2412:45 amPHX - MIA
1 stop9h 58mDelta
Wed 6/43:59 pmMIA - PHX
1 stop10h 12mDelta
Deal found 4/24$343
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sun 4/278:15 amPHX - MIA
2 stops12h 40mSouthwest
Tue 4/292:40 pmMIA - PHX
1 stop8h 25mSouthwest
Deal found 4/23$351

Cheapflights Fare Finder

Customize your flight search to find flights from Phoenix 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 April 25, 2025.
Use the filters below to find and compare flights from Phoenix to Key Largo that are best for you.

Fly from

Phoenix

Fly to

Key Largo

Route

Depart

Return

Price

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 5/14

1:17 pm-5:22 am

1 stop13h 05m

Miami

Thu 5/22

5:15 pm-11:36 pm

1 stop9h 21m

$247

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 5/29

4:00 pm-5:45 am

2 stops10h 45m

Miami

Sun 6/1

6:30 am-10:42 am

1 stop7h 12m

$260

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 5/30

10:23 pm-11:59 am

1 stop10h 36m

Miami

Tue 6/3

11:11 am-9:14 pm

1 stop13h 03m

$263

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 6/12

12:54 pm-5:55 am

1 stop14h 01m

Miami

Thu 6/19

10:11 am-8:05 pm

1 stop12h 54m

$276

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 6/6

7:29 pm-6:00 am

1 stop7h 31m

Miami

Sun 6/15

10:11 am-8:05 pm

1 stop12h 54m

$281

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 9/12

8:52 am-11:03 am

1 stop23h 11m

Miami

Sat 9/20

12:10 pm-12:22 pm

1 stop27h 12m

$305

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Fri 5/30

8:49 pm-5:21 pm

1 stop17h 32m

Miami

Tue 6/3

6:21 pm-10:48 am

1 stop19h 27m

$313

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 7/10

10:43 pm-10:19 am

1 stop8h 36m

Miami

Fri 7/11

11:23 am-12:58 pm

Nonstop4h 35m

$317

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Sat 5/24

12:45 am-1:43 pm

1 stop9h 58m

Miami

Wed 6/4

3:59 pm-11:11 pm

1 stop10h 12m

$343

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Tue 5/13

7:50 am-5:25 pm

1 stop6h 35m

Miami

Thu 5/15

7:20 am-3:35 pm

2 stops11h 15m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 20 results
1
2

Best time to book a flight from Phoenix to Key Largo

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

How far ahead should I book a flight from Phoenix to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Key Largo. Price data was last updated on April 18, 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix 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 to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Phoenix to Key Largo (average of $229). Flying from Phoenix 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 Phoenix 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 April 25, 2025.

When flying from Phoenix 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 to Key Largo?

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

Travelers seeking maximum savings on their Phoenix to Key Largo flight should consider departing on Saturday 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 to Key Largo

Explore weekly flight availability from Phoenix 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 April 25, 2025.

The most flights from PH1 to KE9 are scheduled on a Wednesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 April 25, 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. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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 to Key Largo one-way?

    $121 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Sun Country Air, with prices starting from $123 and $140, respectively.

  • What are the most reliable airlines from Phoenix to Key Largo?

    No one likes to see their flight delayed. When booking a flight from Phoenix to Key Largo consider choosing Qatar Airways (88%), Finnair (82%) or GOL (81%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Phoenix to Key Largo?

    The cheapest flight price from Phoenix to Key Largo is $134. On average you can expect to pay $1,125. The most popular route, (Phoenix Sky Harbor Intl - Miami), can usually be booked for $191.

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

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

  • How can I find direct flights from Phoenix to Key Largo?

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

  • Can I find deals for business class flights from Phoenix to Key Largo?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Key Largo (average of $229). Flying from Phoenix 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.

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Top 7 airlines flying from Phoenix to Key Largo

Discover the top 7 airlines that operate flights from Phoenix 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$181FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$194Average$388FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$196Average$391FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$216Average$387FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$444FlexibilityNo cancel feeOn-time63%
DeltaCheapest$248Average$370FlexibilityNo cancel feeOn-timeN/A

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