$48+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — MIA
May 12 — May 191
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 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 April 12, 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 April 12, 2026.
This Frontier deal was found by Cheapflights users on 4/12. 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.
Mon 4/209:03 am
RDU
- MIA
Nonstop2h 15m
Frontier
Fri 4/246:00 am
MIA
- RDU
Nonstop2h 18m
Frontier
Deal found 4/12![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 4/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:06 am
RDU
- MIA
Nonstop2h 16m
Frontier
Mon 5/115:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/9![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/8. 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 5/118:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Mon 6/15:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 4/8. 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 5/88:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Sun 5/175:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 4/8. 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 4/1112:45 pm
RDU
- MIA
Nonstop2h 13m
Frontier
Sun 4/196:00 am
MIA
- RDU
Nonstop2h 18m
Frontier
Deal found 4/8![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 4/8. 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 5/148:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Sun 5/175:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/11. 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 5/1312:33 pm
RDU
- MIA
1 stop10h 14m
Frontier
Fri 5/155:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/11![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/284:00 pm
RDU
- MIA
1 stop6h 31m
Multiple Airlines
Fri 5/16:00 am
MIA
- RDU
Nonstop2h 18m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$92
This Trip.com deal was found by Cheapflights users on 4/7. 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.
Thu 5/288:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Mon 6/15:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/7![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 4/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:45 pm
RDU
- MIA
Nonstop2h 13m
Frontier
Mon 4/206:00 am
MIA
- RDU
Nonstop2h 18m
Frontier
Deal found 4/10![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/46:10 am
RDU
- MIA
1 stop11h 47m
Frontier
Fri 5/85:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$95
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 April 12, 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 April 12, 2026.
This Southwest deal was found by Cheapflights users on 4/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:25 am
RDU
- MIA
2 stops10h 30m
Southwest
Thu 5/216:20 am
MIA
- RDU
2 stops11h 10m
Southwest
Deal found 4/9![Southwest logo]()
$219
This United Airlines deal was found by Cheapflights users on 4/10. 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 5/510:41 am
RDU
- MIA
2 stops11h 28m
United Airlines
Tue 5/1212:50 pm
MIA
- RDU
1 stop9h 08m
United Airlines
Deal found 4/10![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 4/7. 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 6/106:00 am
RDU
- MIA
2 stops9h 50m
Southwest
Wed 6/105:50 pm
MIA
- RDU
1 stop5h 00m
Southwest
Deal found 4/7![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 4/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:40 am
RDU
- MIA
1 stop5h 40m
Southwest
Fri 5/151:45 pm
MIA
- RDU
2 stops7h 05m
Southwest
Deal found 4/9![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 4/7. 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 4/2911:25 am
RDU
- MIA
2 stops9h 45m
Southwest
Sat 5/26:15 am
MIA
- RDU
2 stops9h 00m
Southwest
Deal found 4/7![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Wed 5/610:05 am
RDU
- MIA
2 stops12h 04m
United Airlines
Wed 5/132:20 pm
MIA
- RDU
1 stop7h 20m
United Airlines
Deal found 4/9![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 4/7. 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 4/2111:25 am
RDU
- MIA
2 stops10h 30m
Southwest
Fri 4/246:20 am
MIA
- RDU
2 stops11h 10m
Southwest
Deal found 4/7![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 4/7. 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 4/281:25 pm
RDU
- MIA
2 stops8h 30m
Southwest
Fri 5/16:20 am
MIA
- RDU
2 stops11h 10m
Southwest
Deal found 4/7![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 4/7. 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 4/151:25 pm
RDU
- MIA
1 stop7h 45m
Southwest
Sat 4/1812:05 pm
MIA
- RDU
2 stops8h 50m
Southwest
Deal found 4/7![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 4/7. 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.
Thu 4/162:00 pm
RDU
- MIA
2 stops8h 00m
Southwest
Fri 4/176:20 am
MIA
- RDU
2 stops11h 10m
Southwest
Deal found 4/7![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 4/8. 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.
Thu 5/76:00 am
RDU
- MIA
2 stops11h 30m
Southwest
Fri 6/55:35 am
MIA
- RDU
2 stops7h 10m
Southwest
Deal found 4/8![Southwest logo]()
$298
Last-minute flights from Raleigh to Key LargoDiscover last-minute flight deals from Raleigh to Key Largo. Data last updated April 12, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Key Largo. Data last updated April 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/8. 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 4/1112:45 pm
RDU
- MIA
Nonstop2h 13m
Frontier
Sun 4/196:00 am
MIA
- RDU
Nonstop2h 18m
Frontier
Deal found 4/8![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 4/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:45 pm
RDU
- MIA
Nonstop2h 13m
Frontier
Mon 4/206:00 am
MIA
- RDU
Nonstop2h 18m
Frontier
Deal found 4/10![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 4/12. 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.
Mon 4/209:03 am
RDU
- MIA
Nonstop2h 15m
Frontier
Fri 4/246:00 am
MIA
- RDU
Nonstop2h 18m
Frontier
Deal found 4/12![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/284:00 pm
RDU
- MIA
1 stop6h 31m
Multiple Airlines
Fri 5/16:00 am
MIA
- RDU
Nonstop2h 18m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/46:10 am
RDU
- MIA
1 stop11h 47m
Frontier
Fri 5/85:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 4/8. 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 5/88:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Sun 5/175:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 4/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:06 am
RDU
- MIA
Nonstop2h 16m
Frontier
Mon 5/115:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/9![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/8. 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 5/118:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Mon 6/15:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/11. 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 5/1312:33 pm
RDU
- MIA
1 stop10h 14m
Frontier
Fri 5/155:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/11![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 4/8. 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 5/148:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Sun 5/175:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/8![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 4/7. 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.
Thu 5/288:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Mon 6/15:05 am
MIA
- RDU
Nonstop2h 19m
Frontier
Deal found 4/7![Frontier logo]()
$93
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 April 12, 2026.
Search for one-way flight options from Raleigh to Key Largo. Find affordable one-way fares based on user searches. Data last updated April 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/232:18 pm
RDU
- MIA
Nonstop2h 13m
Frontier
Deal found 4/8![Frontier logo]()
$48
This Super.com deal was found by Cheapflights users on 4/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:06 am
RDU
- MIA
Nonstop2h 16m
Frontier
Deal found 4/10![Frontier logo]()
$49
This CheapOair deal was found by Cheapflights users on 4/7. 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 6/118:09 am
RDU
- MIA
Nonstop2h 07m
Frontier
Deal found 4/7![Frontier logo]()
$50
This Frontier deal was found by Cheapflights users on 4/7. 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 7/138:09 am
RDU
- MIA
Nonstop2h 07m
Frontier
Deal found 4/7![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 7/58:09 am
RDU
- MIA
Nonstop2h 07m
Frontier
Deal found 4/8![Frontier logo]()
$57
This Trip.com deal was found by Cheapflights users on 4/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:16 am
RDU
- MIA
1 stop7h 59m
Frontier
Deal found 4/9![Frontier logo]()
$61
This Trip.com deal was found by Cheapflights users on 4/8. 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 4/296:00 am
RDU
- MIA
1 stop6h 03m
Frontier
Deal found 4/8![Frontier logo]()
$62
This Frontier deal was found by Cheapflights users on 4/8. 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 5/88:09 am
RDU
- MIA
Nonstop2h 18m
Frontier
Deal found 4/8![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/33:42 pm
RDU
- MIA
1 stop25h 28m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/76:15 am
RDU
- MIA
1 stop10h 12m
Frontier
Deal found 4/7![Frontier logo]()
$67
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 April 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $85 (Super.com) |
One-way from | $48 (Kiwi.com) |
Popular in | November |
Cheapest in | September |
Average price | $239 |
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 April 12, 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
Tue 5/19
11:25 am-9:55 pm
2 stops10h 30m
Miami
Thu 5/21
6:20 am-5:30 pm
2 stops11h 10m
$219
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Wed 6/10
6:00 am-3:50 pm
2 stops9h 50m
Miami
Wed 6/10
5:50 pm-10:50 pm
1 stop5h 00m
$232
Quickest round-trip
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Mon 5/4
9:40 am-3:20 pm
1 stop5h 40m
Miami
Fri 5/15
1:45 pm-8:50 pm
2 stops7h 05m
$232
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Wed 4/29
11:25 am-9:10 pm
2 stops9h 45m
Miami
Sat 5/2
6:15 am-3:15 pm
2 stops9h 00m
$237
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Tue 4/21
11:25 am-9:55 pm
2 stops10h 30m
Miami
Fri 4/24
6:20 am-5:30 pm
2 stops11h 10m
$237
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Tue 4/28
1:25 pm-9:55 pm
2 stops8h 30m
Miami
Fri 5/1
6:20 am-5:30 pm
2 stops11h 10m
$243
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Wed 4/15
1:25 pm-9:10 pm
1 stop7h 45m
Miami
Sat 4/18
12:05 pm-8:55 pm
2 stops8h 50m
$282
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Thu 4/16
2:00 pm-10:00 pm
2 stops8h 00m
Miami
Fri 4/17
6:20 am-5:30 pm
2 stops11h 10m
$287
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Thu 5/7
6:00 am-5:30 pm
2 stops11h 30m
Miami
Fri 6/5
5:35 am-12:45 pm
2 stops7h 10m
$298
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Tue 5/5
10:41 am-10:09 pm
2 stops11h 28m
Miami
Tue 5/12
12:50 pm-9:58 pm
1 stop9h 08m
$304
Showing 1-10 of 22 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
How far ahead should I book a flight from Raleigh to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Key Largo. Price data was last updated on April 9, 2026.
To ensure you get the cheapest price possible for a flight from Raleigh to Key Largo, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Raleigh to Key Largo?
Currently, September is the cheapest month in which you can book a flight from Raleigh to Key Largo (average of $49). Flying from Raleigh to Key Largo in March is currently the most expensive (average of $68). 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 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 April 12, 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.
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 April 11, 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 12, 2026.
The most flights from RDU to KE9 are scheduled on a Saturday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Raleigh to Key Largo?
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated April 12, 2026.
See what other customers who have flown with Delta,JetBlue, 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.
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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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Alternative routes for Raleigh to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Raleigh to Key Largo by cabin class
Find flights from Raleigh to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Raleigh and Key Largo flights
Browse other Raleigh and Key Largo flight options. Last updated on April 12, 2026.
Other flights from Raleigh
Browse through other flights departing from Raleigh. Flights are based on user searches made on Cheapflights and were last updated on April 12, 2026.
Popular flight searches
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Raleigh to Key Largo flights
Consider these flights traveling from Raleigh to Key Largo.
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 April 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$28 | Average$134 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$45 | Average$144 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$237 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$68 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$69 | Average$255 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$186 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$303 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$150 | Average$270 | FlexibilityNo cancel fee | On-time63% |