$90+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — MIA
Feb 27 — Mar 61
1 adult, Economy
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Find cheap flights from Phoenix to Key Largo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Phoenix to Key Largo are usually found in October or April, booked 17 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 LargoExplore 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 January 28, 2026.
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 January 28, 2026.
This Frontier deal was found by Cheapflights users on 1/26. 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 2/205:05 am
PHX
- MIA
1 stop7h 13m
Frontier
Sat 2/286:25 am
MIA
- PHX
1 stop13h 46m
Frontier
Deal found 1/26![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/125:05 am
PHX
- MIA
1 stop12h 55m
Multiple Airlines
Mon 2/165:05 am
MIA
- PHX
2 stops34h 39m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/106:45 pm
PHX
- MIA
1 stop7h 53m
Frontier
Sat 3/145:05 am
MIA
- PHX
1 stop29h 32m
Frontier
Deal found 1/28![Frontier logo]()
$217
This Frontier deal was found by Cheapflights users on 1/27. 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 3/52:25 pm
PHX
- MIA
1 stop8h 17m
Frontier
Mon 3/912:12 pm
MIA
- PHX
1 stop10h 02m
Frontier
Deal found 1/27![Frontier logo]()
$218
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:05 am
PHX
- MIA
1 stop7h 13m
Frontier
Sat 2/213:09 pm
MIA
- PHX
1 stop10h 35m
Frontier
Deal found 1/27![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/275:05 am
PHX
- MIA
1 stop14h 04m
Frontier
Sun 3/85:05 am
MIA
- PHX
2 stops29h 37m
Frontier
Deal found 1/26![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 1/26. 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.
Mon 2/27:00 am
PHX
- MIA
1 stop7h 37m
Frontier
Mon 2/97:00 am
MIA
- PHX
1 stop13h 24m
Frontier
Deal found 1/26![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/155:20 am
PHX
- MIA
1 stop7h 36m
Multiple Airlines
Mon 2/239:18 pm
MIA
- PHX
1 stop18h 26m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/77:45 pm
PHX
- MIA
2 stops26h 02m
Frontier
Thu 3/127:04 pm
MIA
- PHX
1 stop15h 33m
Frontier
Deal found 1/27![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/1012:17 pm
PHX
- MIA
1 stop15h 31m
Multiple Airlines
Wed 2/186:00 am
MIA
- PHX
1 stop17h 52m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/106:45 pm
PHX
- MIA
1 stop7h 53m
Frontier
Thu 3/197:00 am
MIA
- PHX
1 stop15h 25m
Frontier
Deal found 1/27![Frontier logo]()
$226
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 January 28, 2026.
Round-trip from | $215 (Frontier) |
|---|---|
One-way from | $90 (Priceline) |
Popular in | December |
Cheapest in | October |
Average price | $380 |
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 January 28, 2026.
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
Wed 2/25
6:40 am-3:30 pm
1 stop6h 50m
Miami
Sat 2/28
6:00 am-1:25 pm
2 stops9h 25m
$302
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Wed 3/18
6:05 am-4:55 pm
1 stop7h 50m
Miami
Mon 3/23
7:45 pm-12:30 am
1 stop7h 45m
$307
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Thu 3/5
10:55 am-11:00 pm
1 stop10h 05m
Miami
Tue 3/10
5:30 am-12:05 pm
2 stops9h 35m
$312
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Sat 2/7
11:55 am-8:44 pm
1 stop6h 49m
Miami
Wed 2/11
7:50 am-4:14 pm
1 stop10h 24m
$330
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Sat 7/18
8:30 am-8:25 pm
1 stop8h 55m
Miami
Sat 7/25
7:00 am-11:11 am
1 stop7h 11m
$337
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Wed 6/3
8:30 am-8:28 pm
1 stop8h 58m
Miami
Tue 6/9
6:30 am-10:33 am
1 stop7h 03m
$337
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Wed 6/3
5:40 am-3:50 pm
1 stop7h 10m
Miami
Tue 6/9
6:00 am-11:35 am
2 stops8h 35m
$342
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Fri 2/27
10:25 am-10:00 pm
2 stops9h 35m
Miami
Tue 3/3
9:00 am-3:40 pm
2 stops8h 40m
$347
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Mon 2/23
10:55 am-8:20 pm
2 stops7h 25m
Miami
Tue 3/3
7:55 am-3:35 pm
2 stops9h 40m
$348
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Tue 2/10
11:40 am-10:00 pm
2 stops8h 20m
Miami
Wed 2/18
12:55 pm-8:15 pm
2 stops9h 20m
$351
Showing 1-10 of 21 results
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 January 23, 2026.
Booking 17 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 January 28, 2026.
It’s optimal to fly from Phoenix to Key Largo in the afternoon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the evening.
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 January 24, 2026.
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. Sunday 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 January 28, 2026.
The most flights from PH1 to KE9 are scheduled on a Tuesday (16 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 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 January 28, 2026.
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.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Alternative routes for Phoenix to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
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 January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$196 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$130 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$330 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$365 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$364 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$390 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$230 | Average$405 | FlexibilityNo cancel fee | On-time71% |