$44+ Cheap flights from Raleigh (RDU) 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — MIA
Jun 23 — Jun 301
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh 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 Raleigh-Durham to Key Largo are usually found in September or January, booked 54 days in advance, depart on a Friday or Sunday and return on a Friday
Cheap flight deals from Raleigh to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Raleigh to Key LargoExplore the most affordable flight options available from Raleigh to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
Explore the most affordable flight options available from Raleigh to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
This deal was found by Cheapflights users on 5/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:35 am
RDU
- MIA
1 stop5h 39m
Frontier
Sun 11/19:00 am
MIA
- RDU
Nonstop2h 12m
Frontier
Deal found 5/21![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/276:14 pm
RDU
- MIA
Nonstop2h 16m
Frontier
Wed 7/293:07 pm
MIA
- RDU
Nonstop2h 22m
Frontier
Deal found 5/18![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 5/20. 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.
Thu 8/208:09 am
RDU
- MIA
Nonstop2h 07m
Frontier
Sun 8/235:05 am
MIA
- RDU
Nonstop2h 16m
Frontier
Deal found 5/20![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 10/181:02 pm
RDU
- MIA
Nonstop2h 11m
Frontier
Sun 10/2510:00 am
MIA
- RDU
Nonstop2h 17m
Frontier
Deal found 5/19![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 8/166:14 pm
RDU
- MIA
Nonstop2h 16m
Frontier
Sun 8/235:05 am
MIA
- RDU
Nonstop2h 16m
Frontier
Deal found 5/20![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 5/20. 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 6/286:28 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Thu 7/23:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/20![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/1911:51 am
RDU
- MIA
1 stop11h 12m
Frontier
Sun 8/235:05 am
MIA
- RDU
Nonstop2h 16m
Frontier
Deal found 5/19![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:48 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Wed 6/103:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/19![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 10/171:02 pm
RDU
- MIA
Nonstop2h 11m
Frontier
Sun 10/2510:00 am
MIA
- RDU
Nonstop2h 17m
Frontier
Deal found 5/19![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/206:15 am
RDU
- MIA
1 stop17h 19m
Frontier
Thu 6/253:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/18![Frontier logo]()
$124
Best flights from Raleigh to Key LargoDiscover carefully curated flight deals from Raleigh to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
Discover carefully curated flight deals from Raleigh to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
This Delta deal was found by Cheapflights users on 5/19. 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.
Sat 7/48:30 am
RDU
- MIA
Nonstop2h 14m
Delta
Sat 7/116:28 pm
MIA
- RDU
Nonstop2h 25m
Delta
Deal found 5/19![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sun 9/68:25 am
RDU
- MIA
1 stop9h 35m
Southwest
Fri 9/116:20 am
MIA
- RDU
1 stop7h 40m
Southwest
Deal found 5/21![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 5/19. 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 6/45:20 am
RDU
- MIA
1 stop4h 09m
Delta
Mon 6/86:27 pm
MIA
- RDU
Nonstop2h 17m
Delta
Deal found 5/19![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 5/23. 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 8/222:55 pm
RDU
- MIA
1 stop4h 20m
Southwest
Sun 8/305:50 am
MIA
- RDU
1 stop7h 05m
Southwest
Deal found 5/23![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 5/22. 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 9/177:58 pm
RDU
- MIA
1 stop4h 56m
Delta
Tue 9/225:55 pm
MIA
- RDU
1 stop4h 58m
Delta
Deal found 5/22![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 5/23. 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.
Sun 7/266:10 pm
RDU
- MIA
1 stop4h 05m
Southwest
Fri 7/316:20 am
MIA
- RDU
1 stop6h 25m
Southwest
Deal found 5/23![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 5/22. 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.
Sat 6/205:17 pm
RDU
- MIA
1 stop5h 00m
Delta
Tue 6/237:16 pm
MIA
- RDU
1 stop4h 53m
Delta
Deal found 5/22![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 5/20. 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.
Tue 8/116:15 am
RDU
- MIA
2 stops9h 15m
Southwest
Sun 8/165:50 am
MIA
- RDU
1 stop7h 05m
Southwest
Deal found 5/20![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 5/23. 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 10/194:50 pm
RDU
- MIA
1 stop5h 55m
Delta
Thu 10/227:00 am
MIA
- RDU
1 stop5h 49m
Delta
Deal found 5/23![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 5/22. 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 9/303:35 pm
RDU
- MIA
1 stop4h 40m
Southwest
Mon 10/57:00 am
MIA
- RDU
2 stops10h 25m
Southwest
Deal found 5/22![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 5/22. 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 10/58:20 am
RDU
- MIA
Nonstop2h 13m
Delta
Sat 10/106:40 pm
MIA
- RDU
Nonstop2h 16m
Delta
Deal found 5/22![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 5/23. 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.
Fri 7/31:20 pm
RDU
- MIA
2 stops8h 45m
Southwest
Tue 7/77:40 am
MIA
- RDU
1 stop5h 30m
Southwest
Deal found 5/23![Southwest logo]()
$267
Last-minute flights from Raleigh to Key LargoDiscover last-minute flight deals from Raleigh to Key Largo. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Key Largo. Data last updated May 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 5/288:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Thu 6/45:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 5/21![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 5/20. 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 5/298:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Thu 6/45:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 5/20![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 5/18. 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 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Tue 6/163:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/18![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 5/18. 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 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Thu 6/183:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/18![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 5/18. 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 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Wed 6/173:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/18![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 5/19. 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 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Tue 6/93:40 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/19![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Wed 6/103:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/19![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 5/18. 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 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Sun 6/143:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/18![Frontier logo]()
$194
This Super.com deal was found by Cheapflights users on 5/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Mon 6/153:20 pm
MIA
- RDU
Nonstop2h 23m
Frontier
Deal found 5/23![Frontier logo]()
$201
One-way flights from Raleigh to Key LargoSearch for one-way flight options from Raleigh to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
Search for one-way flight options from Raleigh to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This CheapOair deal was found by Cheapflights users on 5/18. 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.
Sun 6/286:28 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Deal found 5/18![Frontier logo]()
$44
This CheapOair deal was found by Cheapflights users on 5/19. 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.
Mon 6/88:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Deal found 5/19![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/58:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Deal found 5/22![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 5/22. 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.
Wed 6/106:28 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Deal found 5/22![Frontier logo]()
$64
This Mytrip deal was found by Cheapflights users on 5/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:48 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Deal found 5/22![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/156:28 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Deal found 5/20![Frontier logo]()
$68
This CheapOair deal was found by Cheapflights users on 5/20. 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 6/306:28 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Deal found 5/20![Frontier logo]()
$69
This Trip.com deal was found by Cheapflights users on 5/20. 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.
Sat 6/206:15 am
RDU
- MIA
1 stop17h 19m
Frontier
Deal found 5/20![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/166:14 pm
RDU
- MIA
Nonstop2h 16m
Frontier
Deal found 5/19![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:18 pm
RDU
- MIA
Nonstop2h 10m
Frontier
Deal found 5/19![Frontier logo]()
$74
Find flight deals from Raleigh to Key Largo
Keep the following information in mind while searching for Raleigh to Key Largo flight deals. Data was last updated May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 |
One-way from | $44 (CheapOair) |
Popular in | November |
Cheapest in | September |
Average price | $247 |
Cheapflights Fare Finder
Customize your flight search to find flights from Raleigh 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 May 24, 2026.
Use the filters below to find and compare flights from Raleigh to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sat 7/4
8:30 am-10:44 am
Nonstop2h 14m
Miami
Sat 7/11
6:28 pm-8:53 pm
Nonstop2h 25m
$227
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Thu 6/4
5:20 am-9:29 am
1 stop4h 09m
Miami
Mon 6/8
6:27 pm-8:44 pm
Nonstop2h 17m
$237
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sun 9/6
8:25 am-6:00 pm
1 stop9h 35m
Miami
Fri 9/11
6:20 am-2:00 pm
1 stop7h 40m
$247
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sat 8/22
2:55 pm-7:15 pm
1 stop4h 20m
Miami
Sun 8/30
5:50 am-12:55 pm
1 stop7h 05m
$247
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Thu 9/17
7:58 pm-12:54 am
1 stop4h 56m
Miami
Tue 9/22
5:55 pm-10:53 pm
1 stop4h 58m
$247
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sun 7/26
6:10 pm-10:15 pm
1 stop4h 05m
Miami
Fri 7/31
6:20 am-12:45 pm
1 stop6h 25m
$247
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sat 6/20
5:17 pm-10:17 pm
1 stop5h 00m
Miami
Tue 6/23
7:16 pm-12:09 am
1 stop4h 53m
$247
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Tue 8/11
6:15 am-3:30 pm
2 stops9h 15m
Miami
Sun 8/16
5:50 am-12:55 pm
1 stop7h 05m
$252
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Mon 10/19
4:50 pm-10:45 pm
1 stop5h 55m
Miami
Thu 10/22
7:00 am-12:49 pm
1 stop5h 49m
$257
Quickest round-trip
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Mon 10/5
8:20 am-10:33 am
Nonstop2h 13m
Miami
Sat 10/10
6:40 pm-8:56 pm
Nonstop2h 16m
$262
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Raleigh to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Raleigh with our price prediction graph.
RDU-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 Raleigh to Key Largo
RDU-KE9
RDU-MIA
What is the cheapest time of day to fly from RDU to KE9?
Find hourly flight availability from Raleigh 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 May 24, 2026.
It’s typically best to fly out from Raleigh to Key Largo at noon. Doing so could potentially save you 39% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Raleigh to Key Largo
Explore weekly flight availability from Raleigh 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 May 24, 2026.
The most flights from RDU to KE9 are scheduled on a Friday (23 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Raleigh to Key Largo?
What is the cheapest day to fly from Raleigh to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Raleigh to Key Largo. Price data was last updated on May 16, 2026.
Travelers seeking maximum savings on their Raleigh to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 May 24, 2026.
See what other customers who have flown with Southwest,Delta, andJetBlue from Raleigh to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Raleigh 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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Raleigh and Key Largo flights
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Top 8 airlines flying from Raleigh to Key Largo
Discover the top 8 airlines that operate flights from Raleigh 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 May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$36 | Average$133 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$45 | Average$135 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$68 | Average$184 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$69 | Average$261 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$228 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$170 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$316 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$150 | Average$273 | FlexibilityNo cancel fee | On-time63% |