$97+ Cheap flights from Sky Harbor Intl (PHX) 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — MIA
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Sky Harbor Intl 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 Sky Harbor Intl to Key Largo are usually found in October or September, booked 55 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from Sky Harbor Intl to Key Largo
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Best
Last-minute
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Cheapest flights from Sky Harbor Intl to Key LargoExplore the most affordable flight options available from Sky Harbor Intl to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Frontier deal was found by Cheapflights users on 2/12. 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 2/263:10 pm
PHX
- MIA
1 stop7h 32m
Frontier
Thu 3/56:45 am
MIA
- PHX
1 stop13h 41m
Frontier
Deal found 2/12![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/610:24 pm
PHX
- MIA
2 stops23h 42m
Frontier
Tue 3/105:50 am
MIA
- PHX
1 stop11h 11m
Frontier
Deal found 2/12![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:24 pm
PHX
- MIA
2 stops23h 42m
Frontier
Wed 3/114:25 pm
MIA
- PHX
1 stop7h 49m
Frontier
Deal found 2/11![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 2/205:05 am
PHX
- MIA
1 stop7h 13m
Frontier
Wed 3/46:25 am
MIA
- PHX
1 stop19h 34m
Frontier
Deal found 2/12![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 2/205:05 am
PHX
- MIA
1 stop7h 13m
Multiple Airlines
Tue 3/39:18 pm
MIA
- PHX
1 stop18h 26m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:14 pm
PHX
- MIA
2 stops40h 14m
Frontier
Sun 3/85:50 am
MIA
- PHX
1 stop9h 04m
Frontier
Deal found 2/11![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 2/2512:31 pm
PHX
- MIA
1 stop19h 57m
Frontier
Sat 2/283:09 pm
MIA
- PHX
1 stop10h 35m
Frontier
Deal found 2/12![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/711:24 am
PHX
- MIA
2 stops47h 57m
Frontier
Thu 3/1211:34 am
MIA
- PHX
1 stop27h 14m
Frontier
Deal found 2/12![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:51 pm
PHX
- MIA
1 stop8h 57m
Frontier
Fri 2/2710:17 pm
MIA
- PHX
2 stops27h 38m
Frontier
Deal found 2/10![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:04 pm
PHX
- MIA
2 stops13h 36m
Multiple Airlines
Thu 2/261:44 pm
MIA
- PHX
1 stop9h 37m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/219:00 am
PHX
- MIA
1 stop5h 25m
Southwest
Tue 2/2412:00 pm
MIA
- PHX
1 stop8h 35m
Southwest
Deal found 2/11![Southwest logo]()
$231
Best flights from Sky Harbor Intl to Key LargoDiscover carefully curated flight deals from Sky Harbor Intl to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 5/155:15 am
PHX
- MIA
1 stop9h 53m
Frontier
Sun 5/177:04 pm
MIA
- PHX
2 stops19h 55m
Frontier
Deal found 2/12![Frontier logo]()
$245
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:05 pm
PHX
- MIA
1 stop8h 10m
Delta
Tue 3/313:33 pm
MIA
- PHX
1 stop10h 16m
Delta
Deal found 2/10![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:15 pm
PHX
- MIA
1 stop8h 48m
United Airlines
Sun 5/246:30 am
MIA
- PHX
1 stop7h 03m
United Airlines
Deal found 2/9![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/12. 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 4/910:00 pm
PHX
- MIA
Nonstop4h 11m
American Airlines
Tue 4/147:05 am
MIA
- PHX
Nonstop5h 13m
American Airlines
Deal found 2/12![American Airlines logo]()
$282
This Priceline deal was found by Cheapflights users on 2/12. 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.
Sun 3/86:09 pm
PHX
- MIA
1 stop10h 55m
Frontier
Fri 3/139:14 am
MIA
- PHX
1 stop10h 55m
Frontier
Deal found 2/12![Frontier logo]()
$250
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
PHX
- MIA
1 stop6h 46m
United Airlines
Sun 5/248:48 am
MIA
- PHX
1 stop9h 21m
United Airlines
Deal found 2/12![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:55 am
PHX
- MIA
1 stop9h 58m
Delta
Wed 6/104:40 pm
MIA
- PHX
1 stop9h 22m
Delta
Deal found 2/10![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:55 am
PHX
- MIA
1 stop9h 58m
Delta
Sat 6/66:30 am
MIA
- PHX
1 stop9h 04m
Delta
Deal found 2/10![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:47 pm
PHX
- MIA
1 stop8h 42m
United Airlines
Tue 9/111:40 am
MIA
- PHX
1 stop8h 36m
United Airlines
Deal found 2/10![United Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:30 am
PHX
- MIA
1 stop8h 58m
United Airlines
Tue 7/1412:30 pm
MIA
- PHX
1 stop8h 06m
United Airlines
Deal found 2/12![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:25 pm
PHX
- MIA
1 stop7h 49m
Delta
Fri 7/38:05 am
MIA
- PHX
1 stop8h 52m
Delta
Deal found 2/11![Delta logo]()
$307
Last-minute flights from Sky Harbor Intl to Key LargoDiscover last-minute flight deals from Sky Harbor Intl to Key Largo. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Key Largo. Data last updated February 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 2/205:05 am
PHX
- MIA
1 stop7h 13m
Frontier
Wed 3/46:25 am
MIA
- PHX
1 stop19h 34m
Frontier
Deal found 2/12![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 2/205:05 am
PHX
- MIA
1 stop7h 13m
Multiple Airlines
Tue 3/39:18 pm
MIA
- PHX
1 stop18h 26m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/219:00 am
PHX
- MIA
1 stop5h 25m
Southwest
Tue 2/2412:00 pm
MIA
- PHX
1 stop8h 35m
Southwest
Deal found 2/11![Southwest logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:51 pm
PHX
- MIA
1 stop8h 57m
Frontier
Fri 2/2710:17 pm
MIA
- PHX
2 stops27h 38m
Frontier
Deal found 2/10![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:04 pm
PHX
- MIA
2 stops13h 36m
Multiple Airlines
Thu 2/261:44 pm
MIA
- PHX
1 stop9h 37m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 2/2512:31 pm
PHX
- MIA
1 stop19h 57m
Frontier
Sat 2/283:09 pm
MIA
- PHX
1 stop10h 35m
Frontier
Deal found 2/12![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 2/12. 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 2/263:10 pm
PHX
- MIA
1 stop7h 32m
Frontier
Thu 3/56:45 am
MIA
- PHX
1 stop13h 41m
Frontier
Deal found 2/12![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:14 pm
PHX
- MIA
2 stops40h 14m
Frontier
Sun 3/85:50 am
MIA
- PHX
1 stop9h 04m
Frontier
Deal found 2/11![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/610:24 pm
PHX
- MIA
2 stops23h 42m
Frontier
Tue 3/105:50 am
MIA
- PHX
1 stop11h 11m
Frontier
Deal found 2/12![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:24 pm
PHX
- MIA
2 stops23h 42m
Frontier
Wed 3/114:25 pm
MIA
- PHX
1 stop7h 49m
Frontier
Deal found 2/11![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/711:24 am
PHX
- MIA
2 stops47h 57m
Frontier
Thu 3/1211:34 am
MIA
- PHX
1 stop27h 14m
Frontier
Deal found 2/12![Frontier logo]()
$228
One-way flights from Sky Harbor Intl to Key LargoSearch for one-way flight options from Sky Harbor Intl to Key Largo. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Sky Harbor Intl to Key Largo. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/256:50 am
PHX
- MIA
2 stops14h 59m
Frontier
Deal found 2/12![Frontier logo]()
$97
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:30 am
PHX
- MIA
1 stop9h 00m
Southwest
Deal found 2/11![Southwest logo]()
$98
This Southwest deal was found by Cheapflights users on 2/10. 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.
Wed 4/16:05 am
PHX
- MIA
1 stop7h 50m
Southwest
Deal found 2/10![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:50 am
PHX
- MIA
2 stops14h 59m
Frontier
Deal found 2/11![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:04 pm
PHX
- MIA
2 stops13h 36m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:31 pm
PHX
- MIA
1 stop9h 08m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$102
This Southwest deal was found by Cheapflights users on 2/10. 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.
Mon 3/95:00 am
PHX
- MIA
1 stop9h 25m
Southwest
Deal found 2/10![Southwest logo]()
$103
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 2/2512:05 pm
PHX
- MIA
Nonstop4h 18m
American Airlines
Deal found 2/10![American Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 3/256:50 am
PHX
- MIA
2 stops24h 27m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$105
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:51 pm
PHX
- MIA
1 stop8h 23m
Frontier
Deal found 2/12![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:24 pm
PHX
- MIA
2 stops23h 39m
Frontier
Deal found 2/10![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/265:15 am
PHX
- MIA
1 stop28h 29m
Frontier
Deal found 2/9![Frontier logo]()
$108
Find flight deals from Sky Harbor Intl to Key Largo
Keep the following information in mind while searching for Sky Harbor Intl to Key Largo flight deals. Data was last updated February 13, 2026.
Round-trip from | $219 (Kiwi.com) |
|---|---|
One-way from | $97 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $379 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 February 13, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Key Largo that are best for you.
Fly from
Sky Harbor Intl
Fly to
Key Largo
Route
Depart
Return
Price
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Fri 5/15
5:15 am-6:08 pm
1 stop9h 53m
Miami
Sun 5/17
7:04 pm-11:59 am
2 stops19h 55m
$245
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Sun 3/8
6:09 pm-8:04 am
1 stop10h 55m
Miami
Fri 3/13
9:14 am-5:09 pm
1 stop10h 55m
$250
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Tue 3/17
11:05 pm-10:15 am
1 stop8h 10m
Miami
Tue 3/31
3:33 pm-10:49 pm
1 stop10h 16m
$267
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Mon 5/18
11:15 pm-11:03 am
1 stop8h 48m
Miami
Sun 5/24
6:30 am-10:33 am
1 stop7h 03m
$277
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Thu 4/9
10:00 pm-5:11 am
Nonstop4h 11m
Miami
Tue 4/14
7:05 am-9:18 am
Nonstop5h 13m
$282
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Tue 5/19
6:00 am-3:46 pm
1 stop6h 46m
Miami
Sun 5/24
8:48 am-3:09 pm
1 stop9h 21m
$282
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Thu 5/28
12:55 am-1:53 pm
1 stop9h 58m
Miami
Wed 6/10
4:40 pm-11:02 pm
1 stop9h 22m
$287
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Thu 5/28
12:55 am-1:53 pm
1 stop9h 58m
Miami
Sat 6/6
6:30 am-12:34 pm
1 stop9h 04m
$287
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Tue 8/4
7:47 pm-7:29 am
1 stop8h 42m
Miami
Tue 9/1
11:40 am-5:16 pm
1 stop8h 36m
$297
PhoenixMiami
PHX - MIA
PHXMIA
Phoenix Sky Harbor Intl
Mon 7/6
8:30 am-8:28 pm
1 stop8h 58m
Miami
Tue 7/14
12:30 pm-5:36 pm
1 stop8h 06m
$307
Showing 1-10 of 23 results
Best time to book a flight from Sky Harbor Intl to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Sky Harbor Intl with our price prediction graph.
PHX-MIA
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 Sky Harbor Intl Airport to Key Largo
PHX-KE9
PHX-MIA
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Key Largo. Price data was last updated on February 6, 2026.
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Key Largo?
Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Key Largo (average of $65). Flying from Phoenix Sky Harbor Intl Airport to Key Largo in April is currently the most expensive (average of $196). 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 Sky Harbor Intl 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 February 13, 2026.
It’s optimal to fly from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Key Largo. Price data was last updated on February 7, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Key Largo
Explore weekly flight availability from Sky Harbor Intl 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 February 13, 2026.
The most flights from PHX to KE9 are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, 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 February 13, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Key Largo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
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 Sky Harbor Intl 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 Sky Harbor Intl to Key Largo
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Complete your trip
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Sky Harbor Intl and Key Largo flights
Browse other Sky Harbor Intl and Key Largo flight options. Last updated on February 13, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
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Sky Harbor Intl to Key Largo flights
Consider these flights traveling from Sky Harbor Intl to Key Largo.
Top 8 airlines flying from Sky Harbor Intl to Key Largo
Discover the top 8 airlines that operate flights from Sky Harbor Intl 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$196 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$130 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$329 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$359 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$333 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$390 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$229 | Average$402 | FlexibilityNo cancel fee | On-time71% |