$44+ Cheap flights from Durham, NC 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — MIA
Jan 20 — Jan 271
1 adult, Economy
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Find cheap flights from Durham 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 Durham to Key Largo are usually found in January or September, booked 68 days in advance, depart on a Friday or Sunday and return on a Wednesday
Cheap flight deals from Durham to Key Largo
Cheapest flights from Durham to Key LargoExplore the most affordable flight options available from Durham to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.
Explore the most affordable flight options available from Durham to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.
This Frontier deal was found by Cheapflights users on 12/19. 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.
Tue 12/306:14 pmRDU - MIA
Nonstop2h 15mFrontier
Fri 1/912:39 pmMIA - RDU
Nonstop2h 11mFrontier
Deal found 12/19![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 12/19. 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.
Wed 12/316:00 amRDU - MIA
1 stop4h 58mFrontier
Thu 1/812:39 pmMIA - RDU
Nonstop2h 11mFrontier
Deal found 12/19![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 12/296:42 pmRDU - MIA
1 stop11h 18mFrontier
Fri 1/912:39 pmMIA - RDU
Nonstop2h 11mFrontier
Deal found 12/19![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Tue 12/306:14 pmRDU - MIA
Nonstop2h 15mFrontier
Wed 1/75:07 pmMIA - RDU
1 stop7h 05mFrontier
Deal found 12/19![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 12/19. 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.
Sun 12/286:14 pmRDU - MIA
Nonstop2h 15mFrontier
Thu 1/812:39 pmMIA - RDU
Nonstop2h 11mFrontier
Deal found 12/19![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 12/21. 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.
Tue 12/306:14 pmRDU - MIA
Nonstop2h 15mFrontier
Mon 1/511:44 amMIA - RDU
1 stop7h 28mFrontier
Deal found 12/21![Frontier logo]()
$155
This CheapOair deal was found by Cheapflights users on 12/20. 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 12/306:14 pmRDU - MIA
Nonstop2h 15mFrontier
Wed 12/317:05 pmMIA - RDU
1 stop5h 08mFrontier
Deal found 12/20![Frontier logo]()
$156
This Delta deal was found by Cheapflights users on 12/19. 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.
Wed 12/3111:30 amRDU - MIA
1 stop4h 24mDelta
Wed 1/75:50 amMIA - RDU
1 stop6h 02mDelta
Deal found 12/19![Delta logo]()
$157
This Super.com deal was found by Cheapflights users on 12/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:14 pmRDU - MIA
Nonstop2h 15mFrontier
Tue 12/303:08 pmMIA - RDU
Nonstop2h 11mFrontier
Deal found 12/20![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 12/21. 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.
Wed 12/311:05 pmRDU - MIA
1 stop11h 42mFrontier
Mon 1/511:44 amMIA - RDU
1 stop7h 28mFrontier
Deal found 12/21![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 12/19. 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.
Wed 12/316:00 amRDU - MIA
1 stop4h 58mFrontier
Tue 1/67:09 pmMIA - RDU
1 stop5h 03mFrontier
Deal found 12/19![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 12/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:14 pmRDU - MIA
Nonstop2h 15mFrontier
Wed 12/315:30 amMIA - RDU
1 stop6h 30mFrontier
Deal found 12/20![Frontier logo]()
$167
Find flight deals from Durham to Key Largo
Keep the following information in mind while searching for Durham to Key Largo flight deals. Data was last updated December 21, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $77 (Frontier) |
One-way from | $44 (CheapOair) |
Popular in | November |
Cheapest in | January |
Average price | $244 |
Cheapflights Fare Finder
Customize your flight search to find flights from Durham 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 December 21, 2025.
Use the filters below to find and compare flights from Durham to Key Largo that are best for you.
Fly from
Durham
Fly to
Key Largo
Route
Depart
Return
Price
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sun 2/15
12:02 pm-2:17 pm
Nonstop2h 15m
Miami
Sat 2/21
8:15 am-8:40 pm
1 stop12h 25m
$93
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Wed 2/4
3:04 pm-9:41 pm
1 stop6h 37m
Miami
Wed 2/11
6:23 pm-8:34 pm
Nonstop2h 11m
$127
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sun 1/25
5:15 am-9:24 am
1 stop4h 09m
Miami
Fri 1/30
6:23 pm-8:34 pm
Nonstop2h 11m
$127
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Wed 2/4
3:04 pm-9:41 pm
1 stop6h 37m
Miami
Tue 2/10
6:23 pm-8:34 pm
Nonstop2h 11m
$127
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Mon 3/2
2:41 pm-4:56 pm
Nonstop2h 15m
Miami
Sat 3/7
6:59 pm-11:56 pm
1 stop4h 57m
$129
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sat 1/10
5:00 pm-10:48 pm
1 stop5h 48m
Miami
Sat 1/17
5:50 am-11:52 am
1 stop6h 02m
$137
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Mon 2/23
4:50 pm-10:47 pm
1 stop5h 57m
Miami
Fri 2/27
5:44 pm-8:00 pm
Nonstop2h 16m
$137
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Sun 2/8
5:15 am-10:40 am
1 stop5h 25m
Miami
Sat 2/14
7:15 am-12:02 pm
1 stop4h 47m
$147
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Wed 2/18
4:20 pm-8:44 pm
1 stop4h 24m
Miami
Wed 2/25
8:15 am-3:15 pm
1 stop7h 00m
$147
RaleighMiami
RDU - MIA
RDUMIA
Raleigh-Durham
Thu 1/1
5:58 pm-8:13 pm
Nonstop2h 15m
$44
Showing 1-10 of 19 results
Best time to book a flight from Durham to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Durham with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Durham to Key Largo
How far ahead should I book a flight from Durham to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Durham to Key Largo. Price data was last updated on December 12, 2025.
The best time to book flights from Durham to Key Largo is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Durham to Key Largo?
Currently, January is the cheapest month in which you can book a flight from Durham to Key Largo (average of $38). Flying from Durham to Key Largo in December is currently the most expensive (average of $63). 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 DU8 to KE9?
Find hourly flight availability from Durham 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 December 21, 2025.
A simple way to save on the total cost of your ticket is to fly from Durham to Key Largo in the afternoon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Durham to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Durham to Key Largo. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Durham 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 Durham to Key Largo
Explore weekly flight availability from Durham 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 December 21, 2025.
The most flights from DU8 to KE9 are scheduled on a Saturday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 December 21, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Durham to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Durham 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 Durham to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Durham to Key Largo
Discover the top 9 airlines that operate flights from Durham 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 December 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$131 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$42 | Average$139 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$53 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$61 | Average$217 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$69 | Average$299 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$186 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$147 | Average$317 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$646 | FlexibilityNo cancel fee | On-time69% |