$69+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — MIA
Sep 25 — Oct 21
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 January or February, booked 52 days in advance, depart on a Friday or Thursday and return on a Thursday
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 August 26, 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 August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:07 am -
1 stop9h 18m
Thu 11/54:08 pm -
Nonstop2h 15m
Deal found 8/25![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/177:08 pm -
Nonstop2h 16m
Sat 10/245:05 am -
1 stop9h 52m
Deal found 8/24![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 8/24. 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.
Thu 10/87:08 pm -
Nonstop2h 16m
Sun 10/114:05 pm -
Nonstop2h 08m
Deal found 8/24![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 10/106:30 am -
1 stop14h 59m
Sat 10/174:05 pm -
Nonstop2h 08m
Deal found 8/21![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 10/76:35 am -
1 stop14h 03m
Thu 10/154:05 pm -
Nonstop2h 08m
Deal found 8/22![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Wed 10/214:20 pm -
1 stop5h 09m
Sat 10/244:05 pm -
Nonstop2h 08m
Deal found 8/21![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/87:08 pm -
Nonstop2h 16m
Tue 10/1310:36 pm -
1 stop16h 45m
Deal found 8/21![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/157:08 pm -
Nonstop2h 16m
Mon 10/1910:55 pm -
1 stop16h 26m
Deal found 8/21![Frontier logo]()
$136
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 August 26, 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 August 26, 2026.
This Delta deal was found by Cheapflights users on 8/23. 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.
Wed 9/168:00 am -
Nonstop2h 14m
Mon 9/215:25 pm -
Nonstop2h 21m
Deal found 8/23![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 8/25. 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 10/146:05 pm -
1 stop4h 05m
Thu 10/157:10 am -
2 stops12h 00m
Deal found 8/25![Southwest logo]()
$230
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am -
Nonstop2h 14m
Wed 9/236:00 am -
1 stop6h 33m
Deal found 8/21![Delta logo]()
$209
This Southwest deal was found by Cheapflights users on 8/25. 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 9/226:00 am -
2 stops9h 30m
Sat 9/269:40 am -
2 stops9h 20m
Deal found 8/25![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 8/24. 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 11/148:00 am -
Nonstop2h 18m
Fri 11/205:30 pm -
Nonstop2h 20m
Deal found 8/24![Delta logo]()
$264
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:58 am -
1 stop5h 57m
Thu 11/268:00 am -
1 stop4h 50m
Deal found 8/21![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 8/25. 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 10/211:40 pm -
2 stops8h 30m
Sat 10/246:45 am -
2 stops10h 55m
Deal found 8/25![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 8/25. 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 10/141:40 pm -
2 stops8h 30m
Sun 10/186:05 am -
1 stop3h 40m
Deal found 8/25![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 8/23. 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.
Sat 8/298:05 am -
Nonstop2h 11m
Tue 9/87:18 am -
1 stop6h 58m
Deal found 8/23![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 8/23. 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.
Wed 9/28:05 am -
Nonstop2h 11m
Sat 9/58:25 am -
1 stop5h 55m
Deal found 8/23![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 8/22. 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.
Sun 10/48:00 am -
Nonstop2h 14m
Fri 10/95:35 pm -
Nonstop2h 18m
Deal found 8/22![Delta logo]()
$311
Last-minute flights from Raleigh to Key LargoDiscover last-minute flight deals from Raleigh to Key Largo. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Key Largo. Data last updated August 26, 2026 and is based on user searches.
This deal was found by Cheapflights users on 8/24. 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.
Fri 9/46:37 pm -
Nonstop2h 16m
Tue 9/85:28 pm -
1 stop6h 31m
Deal found 8/24![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Wed 9/91:56 pm -
1 stop6h 42m
Sat 9/199:43 pm -
1 stop14h 55m
Deal found 8/21![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/106:35 am -
1 stop8h 49m
Sun 9/135:32 am -
1 stop7h 06m
Deal found 8/21![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 9/121:56 pm -
1 stop6h 42m
Sun 9/135:32 am -
1 stop7h 06m
Deal found 8/21![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/126:35 am -
1 stop14h 03m
Mon 9/145:32 am -
1 stop7h 06m
Deal found 8/22![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 9/121:56 pm -
1 stop6h 42m
Wed 9/165:32 am -
1 stop7h 06m
Deal found 8/21![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 9/121:56 pm -
1 stop6h 42m
Thu 9/174:30 pm -
1 stop7h 59m
Deal found 8/21![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 9/146:35 am -
1 stop9h 54m
Fri 9/185:34 pm -
1 stop6h 55m
Deal found 8/21![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/161:56 pm -
1 stop6h 42m
Mon 9/215:32 am -
1 stop7h 06m
Deal found 8/25![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/171:56 pm -
1 stop6h 37m
Mon 9/215:34 pm -
1 stop6h 55m
Deal found 8/21![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/221:56 pm -
1 stop6h 42m
Sat 9/265:22 am -
1 stop7h 16m
Deal found 8/25![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/231:56 pm -
1 stop6h 42m
Tue 9/295:32 am -
1 stop7h 06m
Deal found 8/24![Frontier logo]()
$163
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 August 26, 2026.
Search for one-way flight options from Raleigh to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Frontier deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:08 pm -
Nonstop2h 16m
Deal found 8/24![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 8/25. 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 11/197:08 pm -
Nonstop2h 11m
Deal found 8/25![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 8/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:53 pm -
Nonstop2h 08m
Deal found 8/23![Frontier logo]()
$71
This Super.com deal was found by Cheapflights users on 8/25. 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.
Sun 10/117:08 pm -
Nonstop2h 16m
Deal found 8/25![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 8/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:08 pm -
Nonstop2h 16m
Deal found 8/21![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:56 pm -
1 stop6h 37m
Deal found 8/23![Frontier logo]()
$75
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:56 pm -
1 stop6h 42m
Deal found 8/21![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/196:30 am -
1 stop8h 55m
Deal found 8/21![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Wed 10/216:30 am -
1 stop14h 59m
Deal found 8/21![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/81:19 pm -
1 stop26h 06m
Deal found 8/24![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 11/79:53 pm -
1 stop21h 58m
Deal found 8/25![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/231:56 pm -
1 stop6h 42m
Deal found 8/24![Frontier logo]()
$82
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (Kiwi.com) |
One-way from | $69 (Frontier) |
Popular in | May |
Cheapest in | January |
Average price | $243 |
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 7,457,451 searches. Data last updated August 26, 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 Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Wed 9/16
8:00 am-10:14 am
Nonstop2h 14m
Miami
Mon 9/21
5:25 pm-7:46 pm
Nonstop2h 21m
$199
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Wed 9/16
8:00 am-10:14 am
Nonstop2h 14m
Miami
Wed 9/23
6:00 am-12:33 pm
1 stop6h 33m
$209
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Wed 10/14
6:05 pm-10:10 pm
1 stop4h 05m
Miami
Thu 10/15
7:10 am-7:10 pm
2 stops12h 00m
$230
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Sat 11/14
8:00 am-10:18 am
Nonstop2h 18m
Miami
Fri 11/20
5:30 pm-7:50 pm
Nonstop2h 20m
$264
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Thu 11/19
9:58 am-3:55 pm
1 stop5h 57m
Miami
Thu 11/26
8:00 am-12:50 pm
1 stop4h 50m
$269
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Tue 9/22
6:00 am-3:30 pm
2 stops9h 30m
Miami
Sat 9/26
9:40 am-7:00 pm
2 stops9h 20m
$278
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Wed 10/21
1:40 pm-10:10 pm
2 stops8h 30m
Miami
Sat 10/24
6:45 am-5:40 pm
2 stops10h 55m
$308
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Sat 8/29
8:05 am-10:16 am
Nonstop2h 11m
Miami
Tue 9/8
7:18 am-2:16 pm
1 stop6h 58m
$308
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Wed 9/2
8:05 am-10:16 am
Nonstop2h 11m
Miami
Sat 9/5
8:25 am-2:20 pm
1 stop5h 55m
$309
Quickest round-trip
RaleighMiami
RDU Raleigh-Durham - MIA Miami
RDUMIA
Raleigh-Durham
Sun 10/4
8:00 am-10:14 am
Nonstop2h 14m
Miami
Fri 10/9
5:35 pm-7:53 pm
Nonstop2h 18m
$311
Showing 1-10 of 21 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 August 26, 2026.
It’s typically best to fly out from Raleigh to Key Largo at noon. Doing so could potentially save you 37% 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 August 26, 2026.
The most flights from RDU to KE9 are scheduled on a Monday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Raleigh to Key Largo?
Airfare is below average for this route at the moment.
Raleigh to Key Largo flights typically cost between $171 and $318 in October.The cheapest round-trip price found within the last 5 days was $123 on Frontier (Oct 29-Nov 5).
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 August 22, 2026.
Travelers seeking maximum savings on their Raleigh to Key Largo flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings 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 August 26, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines 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.
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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Raleigh and Key Largo flights
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Top 6 airlines flying from Raleigh to Key Largo
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$144 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$73 | Average$309 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$73 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$91 | Average$216 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$340 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$150 | Average$278 | FlexibilityNo cancel fee | On-time63% |