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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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — MIA
ene. 1 — ene. 81
jue. 1/1
jue. 1/8
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Key Largo are usually found in October or April, booked 21 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap 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 diciembre 2, 2025.

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.
jue. 12/115:50 pmPHX - MIA
1 stop12h 33mMultiple Airlines
mié. 12/176:00 amMIA - PHX
1 stop19h 49mMultiple Airlines
Deal found 11/30$211
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.
vie. 12/56:05 amPHX - MIA
1 stop14h 10mFrontier
dom. 12/76:09 pmMIA - PHX
2 stops16h 39mFrontier
Deal found 11/29$216
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.
dom. 12/145:53 pmPHX - MIA
1 stop12h 30mMultiple Airlines
mar. 12/165:58 pmMIA - PHX
2 stops23h 09mMultiple Airlines
Deal found 11/30$217
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
vie. 12/56:05 amPHX - MIA
1 stop14h 10mMultiple Airlines
lun. 12/86:05 amMIA - PHX
2 stops38h 26mMultiple Airlines
Deal found 12/2$218
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
vie. 12/56:05 amPHX - MIA
1 stop14h 10mMultiple Airlines
jue. 1/229:26 pmMIA - PHX
2 stops16h 44mMultiple Airlines
Deal found 12/2$219
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.
vie. 12/126:05 amPHX - MIA
1 stop14h 10mFrontier
mar. 12/166:00 amMIA - PHX
1 stop11h 07mFrontier
Deal found 12/1$220
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.
jue. 12/46:00 amPHX - MIA
1 stop11h 48mMultiple Airlines
jue. 12/113:36 pmMIA - PHX
2 stops19h 12mMultiple Airlines
Deal found 11/29$221
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.
lun. 12/87:43 pmPHX - MIA
2 stops14h 59mMultiple Airlines
sáb. 12/135:05 amMIA - PHX
1 stop14h 27mMultiple Airlines
Deal found 12/1$222
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.
mié. 12/104:32 pmPHX - MIA
1 stop10h 47mFrontier
dom. 12/146:09 pmMIA - PHX
2 stops16h 39mFrontier
Deal found 12/1$223
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.
jue. 12/41:01 pmPHX - MIA
1 stop31h 14mMultiple Airlines
mar. 12/96:00 amMIA - PHX
1 stop11h 07mMultiple Airlines
Deal found 12/1$224
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/810:26 pmPHX - MIA
1 stop28h 53mFrontier
jue. 12/112:57 pmMIA - PHX
1 stop26h 06mFrontier
Deal found 11/29$225

Find 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 diciembre 2, 2025.

Round-trip from

$211
(Kiwi.com)

One-way from

$94
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$437
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 ($6 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 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 diciembre 2, 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

mar. 1/20

11:35 am-10:00 pm

2 stops8h 25m

Miami

mar. 1/27

6:55 am-3:30 pm

2 stops10h 35m

$230

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

mar. 1/13

2:42 pm-11:30 pm

1 stop6h 48m

Miami

mar. 1/20

9:00 am-3:57 pm

1 stop8h 57m

$237

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

dom. 1/25

12:59 am-1:35 pm

1 stop10h 36m

Miami

mar. 2/3

5:30 pm-11:46 pm

1 stop8h 16m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

dom. 1/25

12:59 am-1:35 pm

1 stop10h 36m

Miami

sáb. 1/31

7:15 am-12:29 pm

1 stop7h 14m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

dom. 1/25

12:59 am-1:35 pm

1 stop10h 36m

Miami

dom. 2/1

7:50 am-4:14 pm

1 stop10h 24m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

dom. 12/14

12:59 am-1:32 pm

1 stop10h 33m

Miami

lun. 1/12

6:20 pm-11:40 pm

1 stop7h 20m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

vie. 1/30

11:53 pm-9:26 am

1 stop7h 33m

Miami

mar. 2/3

5:30 pm-11:46 pm

1 stop8h 16m

$257

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

jue. 1/8

8:45 am-8:05 pm

2 stops9h 20m

Miami

mié. 1/14

9:00 am-3:40 pm

2 stops8h 40m

$266

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

dom. 2/1

11:59 pm-5:28 pm

2 stops15h 29m

Miami

mar. 2/3

5:30 pm-11:46 pm

1 stop8h 16m

$305

PhoenixMiami

PHX - MIA

PHXMIA

Phoenix Sky Harbor Intl

mar. 1/27

11:53 pm-5:28 pm

2 stops15h 35m

Miami

mar. 2/3

5:30 pm-11:46 pm

1 stop8h 16m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 23 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 November 28, 2025.

Booking 21 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 diciembre 2, 2025.

It’s optimal to fly from Phoenix to Key Largo in the afternoon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at noon.

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.

How much does it cost to fly round-trip from Phoenix to Key Largo?

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 diciembre 2, 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
4,253 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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.
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,253 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
9,063 reviews
Southwest
8.0
Very good
4,253 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
11,045 reviews
Southwest
8.0
Very good
4,253 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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 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 $237, Southwest can have you in Key Largo from Phoenix in 6h 48m. Airlines will cover a distance of 1967 mi. This flight may include one or multiple stops.

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

    $43 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and JetBlue, with prices starting from $74 and $77, respectively.

  • 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 Iberia (83%), Qatar Airways (79%) or American Airlines (78%) 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 $128. On average you can expect to pay $1,058. The most popular route, (Phoenix Sky Harbor Intl - Miami), can usually be booked for $129.

  • 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 diciembre 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$206FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$246FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$178Average$383FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$184Average$335FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$208Average$377FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$226Average$390FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$229Average$401FlexibilityNo cancel feeOn-time71%
DeltaCheapest$238Average$361FlexibilityNo cancel feeOn-timeN/A

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