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Key Largo

$102+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — MIA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$102
(Delta)

Popular in

February

Cheapest in

August

Average price

$439
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
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One-way flight from Jacksonville Albert J Ellis to Key Largo
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Highest demand for flights based on searches. 27% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 11/1311:56 amOAJ - MIA
1 stop6h 29mDelta
Mon 11/178:05 amMIA - OAJ
1 stop5h 41mDelta
Deal found 10/29$267
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/138:16 pmOAJ - MIA
1 stop4h 36mAmerican Airlines
Sun 12/216:00 amMIA - OAJ
1 stop6h 27mAmerican Airlines
Deal found 10/29$321
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/127:02 pmOAJ - MIA
1 stop4h 47mAmerican Airlines
Sun 11/166:00 amMIA - OAJ
1 stop6h 53mAmerican Airlines
Deal found 10/27$337
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/12:48 pmOAJ - MIA
1 stop4h 55mAmerican Airlines
Wed 11/57:01 amMIA - OAJ
1 stop4h 07mAmerican Airlines
Deal found 10/28$381
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/11:41 pmOAJ - MIA
1 stop6h 02mAmerican Airlines
Tue 11/45:36 pmMIA - OAJ
1 stop5h 26mAmerican Airlines
Deal found 10/29$435
This Delta deal was found by Cheapflights users on 10/29. 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 10/294:30 pmOAJ - MIA
1 stop4h 21mDelta
Sun 11/27:10 amMIA - OAJ
1 stop4h 03mDelta
Deal found 10/29$467
This Delta deal was found by Cheapflights users on 10/29. 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 11/25:48 amOAJ - MIA
1 stop7h 23mDelta
Mon 11/36:00 amMIA - OAJ
1 stop5h 13mDelta
Deal found 10/29$499
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 10/311:00 pmOAJ - MIA
1 stop5h 34mDelta
Sat 11/86:00 amMIA - OAJ
1 stop5h 13mDelta
Deal found 10/30$522
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 10/312:35 pmOAJ - MIA
1 stop6h 51mAmerican Airlines
Sat 11/87:01 amMIA - OAJ
1 stop5h 52mAmerican Airlines
Deal found 10/29$523
This Delta deal was found by Cheapflights users on 10/29. 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 11/25:48 amOAJ - MIA
1 stop7h 23mDelta
Tue 11/46:15 pmMIA - OAJ
1 stop4h 28mDelta
Deal found 10/29$554
This Delta deal was found by Cheapflights users on 10/29. 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 10/2911:53 amOAJ - MIA
1 stop5h 17mDelta
Thu 10/306:00 amMIA - OAJ
1 stop5h 13mDelta
Deal found 10/29$609

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 October 30, 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

Thu 11/13

11:56 am-6:25 pm

1 stop6h 29m

Miami

Mon 11/17

8:05 am-1:46 pm

1 stop5h 41m

$267

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 11/13

11:56 am-6:25 pm

1 stop6h 29m

Miami

Wed 11/19

7:00 am-1:46 pm

1 stop6h 46m

$267

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 2/25

5:40 am-10:40 am

1 stop5h 00m

Miami

Thu 2/26

8:05 am-1:39 pm

1 stop5h 34m

$277

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 12/13

8:16 pm-12:52 am

1 stop4h 36m

Miami

Sun 12/21

6:00 am-12:27 pm

1 stop6h 27m

$321

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 11/12

7:02 pm-11:49 pm

1 stop4h 47m

Miami

Sun 11/16

6:00 am-12:53 pm

1 stop6h 53m

$337

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 1/21

1:57 pm-9:00 pm

2 stops7h 03m

Miami

Mon 1/26

8:35 am-3:00 pm

1 stop6h 25m

$610

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 11/13

5:00 am-9:59 am

1 stop4h 59m

Miami

Wed 11/19

4:19 pm-11:02 pm

2 stops6h 43m

$625

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 1/17

4:33 pm-10:48 pm

1 stop6h 15m

$102

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 11/20

4:13 pm-10:25 pm

1 stop6h 12m

$130

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Fri 1/16

3:25 pm-9:10 pm

1 stop5h 45m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 11 results
1
2

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, December is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Key Largo (average of $44). 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 October 30, 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 October 30, 2025.
Peruse reviews from past customers who have flown with 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.
American Airlines
7.2
Good
11,034 reviews

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
11,034 reviews
American Airlines
7.2
Good
11,034 reviews

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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 6h 29m. Jacksonville, North Carolina and Key Largo are separated by a distance of 644 mi.

  • 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, December is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Key Largo (average of $44). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$378FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$338FlexibilityNo cancel feeOn-timeN/A

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