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$100+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PHX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 Friday 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 September 11, 2025.

Round-trip from

$185
(CheapOair)

One-way from

$100
(Priceline)

Popular in

March

Cheapest in

September

Average price

$304
From Key Largo to Phoenix
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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).
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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 September 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 September 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amMIA - PHX
1 stop28h 59mFrontier
Sat 10/181:10 pmPHX - MIA
1 stop7h 33mFrontier
Deal found 9/10$185
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amMIA - PHX
1 stop28h 50mFrontier
Mon 11/312:07 pmPHX - MIA
1 stop8h 20mFrontier
Deal found 9/11$186
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amMIA - PHX
2 stops10h 45mSouthwest
Tue 10/2810:50 amPHX - MIA
2 stops8h 05mSouthwest
Deal found 9/10$187
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 amMIA - PHX
1 stop28h 32mFrontier
Mon 9/227:25 amPHX - MIA
1 stop12h 35mFrontier
Deal found 9/10$188
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amMIA - PHX
2 stops10h 45mSouthwest
Thu 10/305:00 amPHX - MIA
1 stop8h 25mSouthwest
Deal found 9/10$189
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:49 pmMIA - PHX
1 stop7h 29mFrontier
Sat 10/111:10 pmPHX - MIA
1 stop7h 33mFrontier
Deal found 9/9$190
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:00 amMIA - PHX
1 stop8h 47mFrontier
Sat 9/2712:39 pmPHX - MIA
1 stop9h 05mFrontier
Deal found 9/9$191
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:00 amMIA - PHX
1 stop18h 54mFrontier
Fri 10/175:29 pmPHX - MIA
1 stop27h 14mFrontier
Deal found 9/10$192
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:45 amMIA - PHX
1 stop12h 17mFrontier
Mon 9/297:25 amPHX - MIA
1 stop12h 35mFrontier
Deal found 9/9$193
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:50 amMIA - PHX
1 stop8h 05mSouthwest
Tue 10/216:35 amPHX - MIA
2 stops7h 15mSouthwest
Deal found 9/10$194
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:11 pmMIA - PHX
Nonstop4h 59mAmerican Airlines
Sun 10/267:00 amPHX - MIA
Nonstop4h 14mAmerican Airlines
Deal found 9/10$195
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amMIA - PHX
1 stop8h 15mFrontier
Fri 11/148:43 pmPHX - MIA
1 stop7h 36mFrontier
Deal found 9/10$196

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 September 11, 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

Sat 10/25

6:00 am-1:45 pm

2 stops10h 45m

Phoenix Sky Harbor Intl

Tue 10/28

10:50 am-9:55 pm

2 stops8h 05m

$187

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Sat 10/25

6:00 am-1:45 pm

2 stops10h 45m

Phoenix Sky Harbor Intl

Thu 10/30

5:00 am-4:25 pm

1 stop8h 25m

$189

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Fri 10/24

5:22 pm-10:32 pm

1 stop8h 10m

Phoenix Sky Harbor Intl

Sun 10/26

5:15 am-5:33 pm

1 stop9h 18m

$200

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 12/10

4:55 pm-10:40 pm

1 stop7h 45m

Phoenix Sky Harbor Intl

Mon 12/15

5:10 am-4:15 pm

2 stops9h 05m

$215

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Sat 10/25

5:30 pm-9:55 pm

1 stop7h 25m

Phoenix Sky Harbor Intl

Sun 10/26

10:59 pm-6:28 pm

2 stops16h 29m

$234

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 10/23

6:43 pm-11:16 pm

1 stop7h 33m

Phoenix Sky Harbor Intl

Sun 10/26

10:59 pm-6:28 pm

2 stops16h 29m

$234

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Tue 11/11

4:55 pm-10:40 pm

1 stop7h 45m

Phoenix Sky Harbor Intl

Sat 11/15

12:10 pm-9:25 pm

1 stop7h 15m

$237

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 11/13

5:26 pm-12:11 am

1 stop8h 45m

Phoenix Sky Harbor Intl

Sat 11/15

6:11 pm-10:23 am

2 stops14h 12m

$241

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Tue 9/30

12:06 pm-5:44 pm

1 stop8h 38m

Phoenix Sky Harbor Intl

Mon 10/6

9:00 am-9:13 pm

1 stop9h 13m

$244

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 10/15

7:36 am-9:38 am

Nonstop5h 02m

Phoenix Sky Harbor Intl

Sat 10/18

7:00 am-2:14 pm

Nonstop4h 14m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 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 August 29, 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 September 11, 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 afternoons 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 September 11, 2025.

The most flights from KE9 to PH1 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 September 11, 2025.
Read through reviews of airlines operating flights from Key Largo to Phoenix, such as Southwest, Delta, 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
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 Frontier can get you from Key Largo to Phoenix in just under 8h 10m. Your travel time can differ by up to 2h 35m. 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 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 GOL (71%), American Airlines (65%) or Iberia (60%) 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 $140. While the most popular route (Miami - Phoenix Sky Harbor Intl) can be booked for $136 on average, our data indicates $916 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$217FlexibilityNo cancel feeOn-time65%
FrontierCheapest$132Average$222FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$161Average$340FlexibilityNo cancel feeOn-time62%
DeltaCheapest$171Average$286FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$365FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$332FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$402FlexibilityNo cancel feeOn-time63%

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