Phoenix

$111+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PHX
Feb 7 — Feb 141
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Cheapflights Tip: The best prices from Key Largo to Phoenix are usually found in October or February, booked 47 days in advance, depart on a Friday or Thursday 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 January 8, 2026.

Round-trip from

$200
(CheapOair)

One-way from

$111
(CheapOair)

Popular in

March

Cheapest in

October

Average price

$358
From Key Largo to Phoenix
One-way flight from Key Largo to Phoenix
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 8, 2026.

This CheapOair deal was found by Cheapflights users on 1/5. 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.
Tue 3/36:25 amMIA - PHX
1 stop12h 54mFrontier
Sat 3/77:45 pmPHX - MIA
1 stop7h 53mFrontier
Deal found 1/5$200
This Southwest deal was found by Cheapflights users on 1/6. 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 1/247:50 amMIA - PHX
2 stops10h 30mSouthwest
Sat 1/3111:05 amPHX - MIA
1 stop8h 25mSouthwest
Deal found 1/6$202
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 1/305:30 amMIA - PHX
2 stops13h 26mMultiple Airlines
Mon 2/26:25 pmPHX - MIA
1 stop20h 27mMultiple Airlines
Deal found 1/6$204
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Fri 1/237:30 pmMIA - PHX
Nonstop5h 27mAmerican Airlines
Sun 1/2511:59 pmPHX - MIA
Nonstop4h 05mAmerican Airlines
Deal found 1/7$207
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/136:40 amMIA - PHX
1 stop16h 12mFrontier
Sat 2/146:00 amPHX - MIA
1 stop16h 42mFrontier
Deal found 1/6$208
This Southwest deal was found by Cheapflights users on 1/6. 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 2/511:55 amMIA - PHX
2 stops9h 45mSouthwest
Sat 2/712:25 pmPHX - MIA
1 stop7h 05mSouthwest
Deal found 1/6$209
This Frontier deal was found by Cheapflights users on 1/7. 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.
Sun 1/255:30 amMIA - PHX
1 stop11h 52mFrontier
Fri 1/309:00 amPHX - MIA
1 stop8h 26mFrontier
Deal found 1/7$210
This American Airlines deal was found by Cheapflights users on 1/6. 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 3/198:50 amMIA - PHX
Nonstop5h 26mAmerican Airlines
Mon 3/239:55 pmPHX - MIA
Nonstop4h 08mAmerican Airlines
Deal found 1/6$211
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sun 2/17:00 amMIA - PHX
Nonstop5h 24mAmerican Airlines
Tue 2/34:20 pmPHX - MIA
Nonstop4h 13mAmerican Airlines
Deal found 1/7$212
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/238:15 amMIA - PHX
2 stops18h 25mFrontier
Sun 1/256:00 amPHX - MIA
1 stop9h 48mFrontier
Deal found 1/7$213
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/2910:30 amMIA - PHX
2 stops14h 39mFrontier
Sat 1/3110:09 amPHX - MIA
1 stop7h 24mFrontier
Deal found 1/7$214
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 2/47:00 amMIA - PHX
Nonstop5h 24mAmerican Airlines
Sat 2/710:55 pmPHX - MIA
Nonstop4h 05mAmerican Airlines
Deal found 1/6$215

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 January 8, 2026.
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 1/24

7:50 am-4:20 pm

2 stops10h 30m

Phoenix Sky Harbor Intl

Sat 1/31

11:05 am-9:30 pm

1 stop8h 25m

$202

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Tue 2/17

7:05 am-9:52 pm

2 stops16h 47m

Phoenix Sky Harbor Intl

Sat 2/21

7:06 pm-5:14 am

1 stop8h 08m

$208

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 4/1

6:55 am-2:25 pm

2 stops10h 30m

Phoenix Sky Harbor Intl

Wed 4/15

5:40 am-3:50 pm

1 stop7h 10m

$219

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 2/5

11:55 am-7:40 pm

2 stops9h 45m

Phoenix Sky Harbor Intl

Tue 2/10

9:05 am-10:00 pm

2 stops10h 55m

$234

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 3/12

5:10 am-9:05 am

1 stop6h 55m

Phoenix Sky Harbor Intl

Mon 3/16

9:55 pm-2:25 pm

2 stops13h 30m

$242

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 1/28

3:25 pm-11:44 pm

1 stop10h 19m

Phoenix Sky Harbor Intl

Sat 1/31

11:53 pm-9:24 am

1 stop7h 31m

$257

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Wed 2/4

6:55 am-3:30 pm

2 stops10h 35m

Phoenix Sky Harbor Intl

Wed 2/11

8:45 am-8:05 pm

2 stops9h 20m

$288

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Sat 2/7

6:45 am-2:05 pm

2 stops9h 20m

Phoenix Sky Harbor Intl

Sat 2/14

6:05 am-2:55 pm

1 stop6h 50m

$294

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Thu 1/29

7:50 am-4:19 pm

1 stop10h 29m

Phoenix Sky Harbor Intl

Tue 3/10

7:33 pm-5:32 am

1 stop6h 59m

$298

MiamiPhoenix

MIA - PHX

MIAPHX

Miami

Tue 1/27

6:55 am-4:25 pm

2 stops11h 30m

Phoenix Sky Harbor Intl

Fri 1/30

11:40 am-10:00 pm

2 stops8h 20m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 20 results
1
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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 January 2, 2026.

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 $89). Flying from Key Largo to Phoenix in July is currently the most expensive (average of $233). 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 January 8, 2026.

It’s optimal to fly from Key Largo to Phoenix in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

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 January 3, 2026.

Travelers seeking maximum savings on their Key Largo to Phoenix flight should consider departing on Thursday 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 January 8, 2026.

The most flights from KE9 to PH1 are scheduled on a Thursday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 January 8, 2026.
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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 can get you from Key Largo to Phoenix in just under 10h 30m. Your travel time can differ by up to . The distance from Key Largo to Phoenix is about 1967 mi.

  • 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 $59. Frontier flights start at $84 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 Qatar Airways (89%), Iberia (87%) or Finnair (79%) 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 $128. While the most popular route (Miami - Phoenix Sky Harbor Intl) can be booked for $130 on average, our data indicates $1,166 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 $89). Flying from Key Largo to Phoenix in July is currently the most expensive (average of $233). 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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Alternative routes for Key Largo to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.

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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$199FlexibilityNo cancel feeOn-time65%
FrontierCheapest$134Average$245FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$163Average$324FlexibilityNo cancel feeOn-time62%
DeltaCheapest$171Average$282FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$171Average$360FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$189Average$361FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$355FlexibilityNo cancel feeOn-time69%

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