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Key Largo

$109+ Cheap flights from Jacksonville, NC (OAJ) 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — MIA
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Jacksonville to Key Largo

Cheapest flights from Jacksonville to Key Largo
Explore the most affordable flight options available from Jacksonville to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:35 amOAJ - MIA
1 stop6h 04mDelta
Sun 12/284:01 pmMIA - OAJ
1 stop5h 35mDelta
Deal found 12/20$854
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:06 pmOAJ - MIA
1 stop6h 42mAmerican Airlines
Sun 1/47:00 amMIA - OAJ
1 stop5h 27mAmerican Airlines
Deal found 12/20$915
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amOAJ - MIA
2 stops12h 10mAmerican Airlines
Sun 1/49:44 pmMIA - OAJ
1 stop12h 39mAmerican Airlines
Deal found 12/20$1,110
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.
Sun 12/215:35 amOAJ - MIA
1 stop7h 21mDelta
Sat 12/275:07 pmMIA - OAJ
1 stop4h 29mDelta
Deal found 12/19$1,399

Find flight deals from Jacksonville to Key Largo

Keep the following information in mind while searching for Jacksonville to Key Largo flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$258
(Delta)

One-way from

$109
(Delta)

Popular in

February

Cheapest in

August

Average price

$438
Provider with most accurate pricing for Jacksonville Albert J Ellis-Miami flight deals.
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Provider most trusted by Cheapflights users for Jacksonville Albert J Ellis-Miami flights.
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From Jacksonville Albert J Ellis to Key Largo
Search Deals
One-way flight from Jacksonville Albert J Ellis to Key Largo
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 Jacksonville to Key Largo that are best for you.

Fly from

Jacksonville

Fly to

Key Largo

Route

Depart

Return

Price

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 3/25

6:44 pm-12:53 am

1 stop6h 09m

Miami

Thu 4/2

6:00 am-11:10 am

1 stop5h 10m

$258

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 4/29

6:25 pm-12:56 am

1 stop6h 31m

Miami

Mon 5/4

7:00 am-1:40 pm

1 stop6h 40m

$317

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 1/1

7:55 pm-12:47 am

1 stop4h 52m

Miami

Mon 1/5

6:00 am-10:23 am

1 stop4h 23m

$666

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 3/25

5:00 am-9:32 am

1 stop4h 32m

Miami

Thu 4/2

4:50 pm-11:55 pm

2 stops7h 05m

$670

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 12/31

4:06 pm-10:48 pm

1 stop6h 42m

Miami

Sun 1/4

7:00 am-12:27 pm

1 stop5h 27m

$915

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 4/29

5:11 am-11:20 am

2 stops6h 09m

Miami

Mon 5/4

7:25 pm-11:47 pm

1 stop4h 22m

$924

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Tue 4/14

11:06 am-5:21 pm

1 stop6h 15m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Best time to book a flight from Jacksonville to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Jacksonville 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 Jacksonville to Key Largo

What is the cheapest month to book a flight from Jacksonville, North Carolina to Key Largo?

Currently, May is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Key Largo (average of $64). Flying from Jacksonville, North Carolina to Key Largo in September is currently the most expensive (average of $188). 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 OAJ to KE9?

Find hourly flight availability from Jacksonville 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.

It’s optimal to fly from Jacksonville, North Carolina to Key Largo in the afternoon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight at noon.

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 Delta and American Airlines 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
7.9
Good
8,021 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,021 reviews
Delta
7.9
Good
8,021 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,021 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Jacksonville to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 airlines. Jacksonville Albert J Ellis is conveniently located just 11.3 mi from Jacksonville’s city center.

  • How long is the flight from Jacksonville, North Carolina to Key Largo?

    Departing from Jacksonville, North Carolina to Key Largo will take you 4h 52m. Jacksonville, North Carolina and Key Largo are separated by a distance of 644 mi. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from Jacksonville, North Carolina to Key Largo?

    Currently, May is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Key Largo (average of $64). Flying from Jacksonville, North Carolina to Key Largo in September is currently the most expensive (average of $188). 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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Top 2 airlines flying from Jacksonville to Key Largo

Discover the top 2 airlines that operate flights from Jacksonville 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
American AirlinesCheapest$212Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$226Average$405FlexibilityNo cancel feeOn-timeN/A

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