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 is the cheapest time of day to fly from OAJ to KE9?

When flying from Jacksonville, North Carolina to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Most people fly from Jacksonville Albert J Ellis (OAJ) if they book a flight from Jacksonville to Key Largo. On average, Albert J Ellis has 0 outbound flights to Key Largo per day from 1 airline. Jacksonville Albert J Ellis is conveniently located just 11.3 mi from Jacksonville’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Jacksonville 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 Jacksonville, NC to Key Largo

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Most accurate provider	FlightHub 3 stars
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Popular in	August
Cheapest in	April
Average price	$391

Provider with most accurate pricing for Jacksonville Albert J Ellis-Miami flight deals.

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Highest demand for flights based on searches. 30% potential increase in price ($215 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Key Largo

Peruse reviews from past customers who have flown with Delta from Jacksonville 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.

Delta

7.8

Good

8,646 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Delta

7.8

Good

8,646 reviews

Delta

7.8

Good

8,646 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

What airport do you fly from for flights from Jacksonville to Key Largo?
Most people fly from Jacksonville Albert J Ellis (OAJ) if they book a flight from Jacksonville to Key Largo. On average, Albert J Ellis has 0 outbound flights to Key Largo per day from 1 airline. Jacksonville Albert J Ellis is conveniently located just 11.3 mi from Jacksonville’s city center.
Can I find deals for flights from Jacksonville to Key Largo that include hotel bookings?
Yes. In addition to deals on Jacksonville to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Jacksonville to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jacksonville to Key Largo.
Can I find deals for business class flights from Jacksonville to Key Largo?
Yes. Cheapflights offers flight deals from Jacksonville 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 airline flying from Jacksonville to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$206	Average$357	FlexibilityNo cancel fee	On-timeN/A

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Find cheap flights from Jacksonville 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 Jacksonville to Key Largo

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Key Largo

Peruse reviews from past customers who have flown with Delta from Jacksonville 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.

Related info for your journey

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

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

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

Can I find deals for business class flights from Jacksonville 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 Jacksonville 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 Jacksonville to Key Largo by cabin class

Find flights from Jacksonville to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Jacksonville and Key Largo flights

Browse other Jacksonville and Key Largo flight options. Last updated on October 10, 2026.

Other flights from Jacksonville

Browse through other flights departing from Jacksonville. Flights are based on user searches made on Cheapflights and were last updated on October 10, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Jacksonville to Key Largo flights

Consider these flights traveling from Jacksonville to Key Largo.

Top airline flying from Jacksonville to Key Largo

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Cheap flights from Jacksonville, NC (OAJ) to Key Largo, FL

Find cheap flights from Jacksonville 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 Jacksonville to Key Largo

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Key Largo

Peruse reviews from past customers who have flown with Delta from Jacksonville 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.

Related info for your journey

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

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

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

Can I find deals for business class flights from Jacksonville 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 Jacksonville 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 Jacksonville to Key Largo by cabin class

Find flights from Jacksonville to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Jacksonville and Key Largo flights

Browse other Jacksonville and Key Largo flight options. Last updated on October 10, 2026.

Other flights from Jacksonville

Browse through other flights departing from Jacksonville. Flights are based on user searches made on Cheapflights and were last updated on October 10, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Jacksonville to Key Largo flights

Consider these flights traveling from Jacksonville to Key Largo.

Top airline flying from Jacksonville to Key Largo

100% Free

Book with Flexibility

Travel Smart