Key Largo

$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
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1. Tell us where you want to go

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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 Largo
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$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$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$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$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$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$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$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$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$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$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$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$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
Provider with most accurate pricing for Raleigh-Durham-Miami flight deals.
Provider most trusted by Cheapflights users for Raleigh-Durham-Miami flights.
From Durham to Key Largo
One-way flight from Durham to Key Largo
Highest demand for flights based on searches. 11% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 results
1
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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
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.
  • How popular is this Durham to Key Largo flight route?

  • How long is the flight from Durham to Key Largo?

    A quick flight from Durham to Key Largo can take about 2h 15m. Frontier provides one of the quickest options available for as low as $93. Airlines will cover a distance of 702 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Durham to Key Largo one-way?

    $23 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $25 and $54, respectively.

  • What are the most reliable airlines from Durham to Key Largo?

    No one likes to see their flight delayed. When booking a flight from Durham to Key Largo consider choosing Envoy Air (100%), Air France (100%) or LATAM Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Durham to Key Largo?

    The cheapest flight price from Durham to Key Largo is $40. On average you can expect to pay $654. The most popular route, (Raleigh-Durham - Miami), can usually be booked for $59.

  • Can I find deals for flights from Durham to Key Largo that include hotel bookings?

    Yes. In addition to deals on Durham to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Durham to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Durham to Key Largo.

  • Can I find deals for business class flights from Durham to Key Largo?

    Yes. Cheapflights offers flight deals from Durham to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

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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.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$131FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$42Average$139FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$53Average$179FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$61Average$217FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$69Average$299FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$126Average$186FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$137Average$366FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$147Average$317FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$646FlexibilityNo cancel feeOn-time69%

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