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Key Largo

$94+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — MIA
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Key Largo are usually found in February or April, booked 49 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

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 October 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sat 12/68:46 amPHX - MIA
1 stop26h 45mFrontier
Thu 12/116:00 amMIA - PHX
1 stop16h 55mFrontier
Deal found 10/7$180
This Frontier deal was found by Cheapflights users on 10/9. 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 10/181:10 pmPHX - MIA
1 stop7h 33mFrontier
Sat 10/256:00 amMIA - PHX
1 stop12h 04mFrontier
Deal found 10/9$181
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:45 amPHX - MIA
2 stops14h 57mFrontier
Sat 10/255:30 pmMIA - PHX
1 stop7h 25mFrontier
Deal found 10/9$182
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:10 pmPHX - MIA
1 stop7h 33mFrontier
Sun 10/267:51 amMIA - PHX
1 stop27h 33mFrontier
Deal found 10/9$183
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/74:41 pmPHX - MIA
1 stop29h 27mMultiple Airlines
Sat 11/157:00 amMIA - PHX
1 stop14h 41mMultiple Airlines
Deal found 10/8$184
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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.
Fri 10/247:59 pmPHX - MIA
1 stop7h 20mFrontier
Fri 10/315:26 pmMIA - PHX
1 stop8h 24mFrontier
Deal found 10/8$185
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:30 amPHX - MIA
1 stop20h 49mMultiple Airlines
Tue 11/412:17 pmMIA - PHX
2 stops36h 06mMultiple Airlines
Deal found 10/9$186
This American Airlines deal was found by Cheapflights users on 10/8. 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 10/2211:59 pmPHX - MIA
Nonstop4h 09mAmerican Airlines
Sat 10/259:50 pmMIA - PHX
Nonstop5h 00mAmerican Airlines
Deal found 10/8$187
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:05 pmPHX - MIA
1 stop19h 33mFrontier
Thu 10/234:49 pmMIA - PHX
1 stop7h 29mFrontier
Deal found 10/9$188
This Southwest deal was found by Cheapflights users on 10/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:30 amPHX - MIA
1 stop8h 40mSouthwest
Sat 11/83:10 pmMIA - PHX
1 stop6h 55mSouthwest
Deal found 10/7$189
This Booking.com deal was found by Cheapflights users on 10/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:11 pmPHX - MIA
1 stop18h 19mFrontier
Mon 11/38:00 amMIA - PHX
1 stop17h 03mFrontier
Deal found 10/8$190
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:46 amPHX - MIA
1 stop26h 45mFrontier
Sun 12/146:00 amMIA - PHX
1 stop27h 46mFrontier
Deal found 10/9$191

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 October 10, 2025.

Round-trip from

$180
(Kiwi.com)

One-way from

$94
(Frontier)

Popular in

March

Cheapest in

February

Average price

$379
From Phoenix to Key Largo
Search Deals
One-way flight from Phoenix to Key Largo
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 10, 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

Tue 11/4

5:25 am-4:00 pm

1 stop8h 35m

Miami

Tue 11/11

11:40 am-4:10 pm

1 stop6h 30m

$189

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 10/29

5:00 am-2:30 pm

1 stop6h 30m

Miami

Wed 10/29

4:35 pm-10:05 pm

1 stop8h 30m

$199

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 11/5

12:55 pm-9:59 pm

1 stop7h 04m

Miami

Tue 11/11

11:55 am-7:49 pm

2 stops9h 54m

$232

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 12/4

5:30 am-4:10 pm

1 stop8h 40m

Miami

Fri 12/12

6:20 am-12:20 pm

1 stop8h 00m

$237

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Thu 12/11

10:40 am-9:50 pm

2 stops9h 10m

Miami

Tue 12/16

6:55 am-2:20 pm

2 stops9h 25m

$247

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 12/3

10:40 am-9:50 pm

2 stops9h 10m

Miami

Fri 12/12

6:00 am-3:00 pm

2 stops11h 00m

$247

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Tue 12/2

11:55 pm-11:03 am

1 stop9h 08m

Miami

Tue 12/9

7:39 am-4:46 pm

1 stop11h 07m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 12/3

7:00 am-3:50 pm

1 stop6h 50m

Miami

Wed 12/10

6:34 pm-12:46 am

1 stop8h 12m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Wed 10/29

10:59 pm-9:35 am

1 stop7h 36m

Miami

Wed 11/5

6:15 pm-11:56 pm

1 stop7h 41m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

Mon 12/8

12:59 am-1:32 pm

1 stop10h 33m

Miami

Thu 12/18

2:37 pm-9:23 pm

1 stop8h 46m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Showing 1-10 of 22 results
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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 October 3, 2025.

Booking 49 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, October is the cheapest month in which you can book a flight from Phoenix to Key Largo (average of $65). Flying from Phoenix to Key Largo in May is currently the most expensive (average of $198). 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 October 10, 2025.

It’s optimal to fly from Phoenix to Key Largo in the afternoon. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the morning.

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 Thursday 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 October 10, 2025.

The most flights from PH1 to KE9 are scheduled on a Thursday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).

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 October 10, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Phoenix to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
7,969 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
United Airlines
7.4
Good
8,968 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
11,043 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
3,143 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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 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.

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

    For as low as $232, Southwest can have you in Key Largo from Phoenix in 7h 04m. Airlines will cover a distance of 1967 mi. This flight may include one or multiple stops.

  • 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 Royal Air Maroc (96%), Qatar Airways (88%) or American Airlines (86%) 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 $93. On average you can expect to pay $1,121. The most popular route, (Phoenix Sky Harbor Intl - Miami), can usually be booked for $141.

  • 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, October is the cheapest month in which you can book a flight from Phoenix to Key Largo (average of $65). Flying from Phoenix to Key Largo in May is currently the most expensive (average of $198). 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 8 airlines flying from Phoenix to Key Largo

Discover the top 8 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$66Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$143Average$245FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$178Average$400FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$196Average$342FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$208Average$395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$380FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$226Average$397FlexibilityNo cancel feeOn-time75%
DeltaCheapest$238Average$360FlexibilityNo cancel feeOn-timeN/A

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