How popular is this Raleigh to Key Largo flight route?

Flights from Raleigh-Durham to Key Largo have been viewed 219 times in the past calendar month.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $32. Users have also found prices from $64 and $68 on JetBlue and Delta, respectively.

Weekly flight availability from Raleigh to Key Largo

The most flights from RDU to KE9 are scheduled on a Friday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

What are the cheapest flights from Raleigh to Key Largo?

Looking for the cheapest flight from Raleigh to Key Largo? While on average our users pay $1,013, our data indicates the cheapest price to be $98. The most popular route (Raleigh-Durham - Miami), is priced around $106.

What are the most reliable airlines from Raleigh to Key Largo?

No one likes to see their flight delayed. When booking a flight from Raleigh to Key Largo consider choosing EL AL (89%), LATAM Airlines (85%) or Qatar Airways (84%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Raleigh to Key Largo?

When booking a flight from Raleigh to Key Largo, you may want to consider flying on American Airlines, Frontier or Delta as they are the most popular for this route.

What airport do you fly from for flights from Raleigh to Key Largo?

Most people fly from Raleigh-Durham (RDU) if they book a flight from Raleigh to Key Largo. On average, Raleigh-Durham has 14 outbound flights to Key Largo per day from 7 airlines. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.

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

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

How can I find direct flights from Raleigh to Key Largo?

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

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

Yes. Cheapflights offers flight deals from Raleigh 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.

Find Cheap Flights from Raleigh to Key Largo

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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 Thursday or Friday and return on a Thursday

Find flight deals from Raleigh to Key Largo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	September
Cheapest in	January
Average price	$267

Provider with most accurate pricing for Raleigh-Durham-Miami flight deals.

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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Cheapflights Insights

Everything you need to know about your flight from Raleigh to Key Largo

Prices

Airlines

What is the cheapest time of day to fly from RDU to KE9?

It’s typically best to fly out from Raleigh to Key Largo at noon. Doing so could potentially save you 36% 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?

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

See what other customers who have flown with Southwest,Delta, andJetBlue from Raleigh to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,227 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Southwest

7.9

Good

4,227 reviews

Southwest

7.9

Good

4,227 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Delta

7.8

Good

8,654 reviews

Southwest

7.9

Good

4,227 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

JetBlue

7.1

Good

3,048 reviews

Southwest

7.9

Good

4,227 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

American Airlines

7.0

Good

12,153 reviews

Southwest

7.9

Good

4,227 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Frontier

5.6

Fair

2,551 reviews

Southwest

7.9

Good

4,227 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

What airport do you fly from for flights from Raleigh to Key Largo?
Most people fly from Raleigh-Durham (RDU) if they book a flight from Raleigh to Key Largo. On average, Raleigh-Durham has 14 outbound flights to Key Largo per day from 7 airlines. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.
How popular is this Raleigh to Key Largo flight route?
Flights from Raleigh-Durham to Key Largo have been viewed 219 times in the past calendar month.
What are the cheapest airlines to fly from Raleigh to Key Largo one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $32. Users have also found prices from $64 and $68 on JetBlue and Delta, respectively.
What are the most reliable airlines from Raleigh to Key Largo?
No one likes to see their flight delayed. When booking a flight from Raleigh to Key Largo consider choosing EL AL (89%), LATAM Airlines (85%) or Qatar Airways (84%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Raleigh to Key Largo?
Looking for the cheapest flight from Raleigh to Key Largo? While on average our users pay $1,013, our data indicates the cheapest price to be $98. The most popular route (Raleigh-Durham - Miami), is priced around $106.
Can I find deals for flights from Raleigh to Key Largo that include hotel bookings?
Yes. In addition to deals on Raleigh to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Raleigh to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Key Largo.
Can I find deals for business class flights from Raleigh to Key Largo?
Yes. Cheapflights offers flight deals from Raleigh 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.

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Top 7 airlines flying from Raleigh to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$45	Average$153	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$77	Average$322	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$88	Average$236	FlexibilityNo cancel fee	On-time62%
Breeze Airways	Cheapest$97	Average$218	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$143	Average$279	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$150	Average$279	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$159	Average$348	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Raleigh (RDU) to Key Largo, FL

Find cheap flights from Raleigh to Key Largo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Raleigh to Key Largo

Most accurate provider

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Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from RDU to KE9?

It’s typically best to fly out from Raleigh to Key Largo at noon. Doing so could potentially save you 36% 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?

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.

Weekly flight availability from Raleigh to Key Largo

The most flights from RDU to KE9 are scheduled on a Friday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Key Largo

See what other customers who have flown with Southwest,Delta, andJetBlue from Raleigh to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Raleigh to Key Largo?

How popular is this Raleigh to Key Largo flight route?

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

What are the most reliable airlines from Raleigh to Key Largo?

What are the cheapest flights from Raleigh to Key Largo?

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

How can I find direct flights from Raleigh to Key Largo?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 11, 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 October 11, 2026.

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Top 7 airlines flying from Raleigh to Key Largo

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