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$128+ Cheap flights from Key Largo, FL to Phoenix

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PHX
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Phoenix are usually found in September or January, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Key Largo to Phoenix

Keep the following information in mind while searching for Key Largo to Phoenix flight deals. Data was last updated June 30, 2025.

Round-trip from

$260
(Priceline)

One-way from

$128
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$409
From Key Largo to Phoenix
Search Deals
One-way flight from Key Largo to Phoenix
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Key Largo to Phoenix

Cheapest flights from Key Largo to Phoenix
Explore the most affordable flight options available from Key Largo to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Tue 7/226:00 amMIA - PHX
1 stop9h 56mFrontier
Fri 7/2512:38 pmPHX - MIA
1 stop8h 27mFrontier
Deal found 6/29$271
This Orbitz deal was found by Cheapflights users on 6/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:00 amMIA - PHX
2 stops15h 32mMultiple Airlines
Sun 7/208:16 pmPHX - MIA
1 stop10h 52mMultiple Airlines
Deal found 6/28$275
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Thu 7/179:09 pmMIA - PHX
3 stops28h 25mSpirit Airlines
Sat 7/1911:34 pmPHX - MIA
1 stop7h 37mSpirit Airlines
Deal found 6/29$278

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Phoenix 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 30, 2025.
Use the filters below to find and compare flights from Key Largo to Phoenix that are best for you.

Fly from

Key Largo

Fly to

Phoenix

Route

Depart

Return

Price

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 7/10

4:51 pm-10:34 pm

1 stop8h 43m

Phoenix Sky Harbor Intl

Fri 7/11

7:17 pm-5:45 am

1 stop7h 28m

$260

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Fri 8/15

6:00 am-5:01 pm

2 stops14h 01m

Phoenix Sky Harbor Intl

Sun 8/17

7:25 am-11:36 pm

1 stop13h 11m

$265

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 7/30

2:48 pm-4:02 pm

3 stops28h 14m

Phoenix Sky Harbor Intl

Wed 8/6

11:34 pm-10:11 am

1 stop7h 37m

$267

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Sun 8/3

6:00 am-8:27 am

1 stop29h 27m

$128

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 8/20

10:28 am-2:17 pm

1 stop6h 49m

$129

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Mon 9/8

11:45 am-10:04 pm

2 stops13h 19m

$131

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Sat 8/9

8:40 am-5:16 pm

2 stops11h 36m

$134

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 12/4

12:23 pm-10:32 am

1 stop24h 09m

$148

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 10/1

9:00 am-2:50 pm

2 stops8h 50m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Key Largo to Phoenix

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Phoenix. Price data was last updated on June 27, 2025.

The best time to book flights from Key Largo to Phoenix is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Key Largo to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Phoenix (average of $258). Flying from Key Largo to Phoenix in March is currently the most expensive (average of $337). 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 KE9 to PHX?

Find hourly flight availability from Key Largo to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

When flying from Key Largo to Phoenix, 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 Key Largo to Phoenix?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Phoenix. Price data was last updated on November 24, 2024.

Travelers seeking maximum savings on their Key Largo to Phoenix flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Phoenix

Explore weekly flight availability from Key Largo to Phoenix. 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 30, 2025.

The most flights from KE9 to PH1 are scheduled on a Thursday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated June 30, 2025.
Read through reviews of airlines operating flights from Key Largo to Phoenix, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
340 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,096 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $128. Delta flights start at $129 while deals on Spirit Airlines start at $131 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Key Largo to Phoenix consider choosing Royal Air Maroc (92%), GOL (83%) or Qatar Airways (82%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $178. While the most popular route (Miami - Phoenix Sky Harbor Intl) can be booked for $152 on average our data indicates $889 when flying from Key Largo to Phoenix.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Phoenix (average of $258). Flying from Key Largo to Phoenix in March is currently the most expensive (average of $337). 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 7 airlines flying from Key Largo to Phoenix

Discover the top 7 airlines that operate flights from Key Largo to Phoenix. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$131Average$204FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$177Average$337FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$182Average$362FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$357FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$241Average$425FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$366FlexibilityNo cancel feeOn-timeN/A

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