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$93+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PHX
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Phoenix are usually found in October or January, booked 47 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap 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 December 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Mon 12/157:05 amMIA - PHX
1 stop17h 30mFrontier
Tue 12/167:43 pmPHX - MIA
2 stops18h 45mFrontier
Deal found 12/1$184
This CheapOair deal was found by Cheapflights users on 12/1. 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.
Sat 12/2012:08 pmMIA - PHX
1 stop23h 24mFrontier
Tue 12/2310:26 pmPHX - MIA
1 stop29h 09mFrontier
Deal found 12/1$185
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Sat 12/69:03 pmMIA - PHX
2 stops37h 45mMultiple Airlines
Mon 12/86:11 pmPHX - MIA
1 stop12h 12mMultiple Airlines
Deal found 11/30$186
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Thu 12/113:36 pmMIA - PHX
1 stop22h 25mMultiple Airlines
Mon 12/156:11 pmPHX - MIA
1 stop12h 12mMultiple Airlines
Deal found 12/1$189
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Fri 12/127:35 amMIA - PHX
1 stop16h 43mMultiple Airlines
Mon 12/1510:26 pmPHX - MIA
2 stops35h 05mMultiple Airlines
Deal found 12/1$190
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Fri 12/127:35 amMIA - PHX
1 stop16h 43mFrontier
Mon 12/1510:36 pmPHX - MIA
2 stops28h 43mFrontier
Deal found 12/1$198
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Sat 12/69:59 pmMIA - PHX
1 stop28h 32mMultiple Airlines
Tue 12/94:32 pmPHX - MIA
1 stop10h 47mMultiple Airlines
Deal found 11/30$199
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/96:00 amMIA - PHX
1 stop11h 07mMultiple Airlines
Wed 12/177:43 pmPHX - MIA
2 stops39h 23mMultiple Airlines
Deal found 11/30$200
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/105:58 pmMIA - PHX
2 stops40h 50mMultiple Airlines
Sat 12/136:42 pmPHX - MIA
1 stop11h 41mMultiple Airlines
Deal found 12/1$202
This Frontier deal was found by Cheapflights users on 12/1. 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.
Tue 12/96:00 amMIA - PHX
1 stop11h 07mFrontier
Sat 12/134:12 pmPHX - MIA
1 stop11h 07mFrontier
Deal found 12/1$203
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Sun 12/76:09 pmMIA - PHX
2 stops16h 39mFrontier
Tue 12/94:32 pmPHX - MIA
1 stop10h 47mFrontier
Deal found 11/29$205

Find 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 December 2, 2025.

Round-trip from

$184
(Kiwi.com)

One-way from

$93
(CheapOair)

Popular in

March

Cheapest in

October

Average price

$379
From Key Largo to Phoenix
Search Deals
One-way flight from Key Largo to Phoenix
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 2, 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

Fri 1/30

7:15 am-3:45 pm

1 stop10h 30m

Phoenix Sky Harbor Intl

Mon 2/2

5:30 am-4:10 pm

1 stop8h 40m

$215

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Sat 1/31

7:35 am-5:35 pm

2 stops12h 00m

Phoenix Sky Harbor Intl

Mon 2/2

11:40 am-10:00 pm

2 stops8h 20m

$231

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 1/15

6:20 am-2:19 pm

1 stop9h 59m

Phoenix Sky Harbor Intl

Sun 1/18

12:28 am-11:18 am

1 stop8h 50m

$237

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 1/8

1:05 pm-6:49 pm

1 stop7h 44m

Phoenix Sky Harbor Intl

Sun 1/11

12:28 am-11:18 am

1 stop8h 50m

$237

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Fri 1/23

9:05 am-2:19 pm

1 stop7h 14m

Phoenix Sky Harbor Intl

Sun 1/25

12:28 am-11:18 am

1 stop8h 50m

$237

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 12/18

7:05 am-8:48 am

1 stop27h 43m

Phoenix Sky Harbor Intl

Mon 12/22

9:58 am-5:35 am

1 stop17h 37m

$259

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Tue 3/17

4:40 pm-9:44 pm

1 stop8h 04m

Phoenix Sky Harbor Intl

Tue 3/24

6:05 am-3:34 pm

1 stop6h 29m

$277

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 1/29

4:32 pm-11:44 pm

1 stop9h 12m

Phoenix Sky Harbor Intl

Sun 2/1

12:59 am-1:35 pm

1 stop10h 36m

$288

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 1/8

12:55 pm-8:15 pm

2 stops9h 20m

Phoenix Sky Harbor Intl

Mon 1/12

11:35 am-10:00 pm

2 stops8h 25m

$289

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 1/22

12:55 pm-8:15 pm

2 stops9h 20m

Phoenix Sky Harbor Intl

Wed 1/28

8:45 am-8:05 pm

2 stops9h 20m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 21 results
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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 November 28, 2025.

The best time to book flights from Key Largo to Phoenix is 47 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, October is the cheapest month in which you can book a flight from Key Largo to Phoenix (average of $90). Flying from Key Largo to Phoenix in July is currently the most expensive (average of $236). 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 December 2, 2025.

It’s optimal to fly from Key Largo to Phoenix in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

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 Thursday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 2, 2025.
Read through reviews of airlines operating flights from Key Largo to Phoenix, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,064 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,041 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
JetBlue
7.2
Good
2,904 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,094 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Key Largo to Phoenix?

    Southwest and United Airlines can get you from Key Largo to Phoenix in just under 9h 59m. Your travel time can differ by up to 31m. The distance from Key Largo to Phoenix is about 1967 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $70. Frontier flights start at $80 while deals on Alaska Airlines start at $90 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 (82%), Iberia (80%) or Qatar Airways (75%) 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 $105. While the most popular route (Miami - Phoenix Sky Harbor Intl) can be booked for $121 on average, our data indicates $1,249 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, October is the cheapest month in which you can book a flight from Key Largo to Phoenix (average of $90). Flying from Key Largo to Phoenix in July is currently the most expensive (average of $236). 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 December 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$202FlexibilityNo cancel feeOn-time65%
FrontierCheapest$134Average$225FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$163Average$321FlexibilityNo cancel feeOn-time62%
DeltaCheapest$171Average$285FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$171Average$364FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$176Average$303FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$360FlexibilityNo cancel feeOn-time71%

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