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Key Largo

$104+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — MIA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$207
(American Airlines)

One-way from

$150
(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. 28% potential increase in price ($163 potential increase over avg. RT price).
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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 November 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 November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/12. 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 12/47:48 pmOAJ - MIA
1 stop5h 04mAmerican Airlines
Sun 12/76:00 amMIA - OAJ
1 stop6h 52mAmerican Airlines
Deal found 11/12$207
This Delta deal was found by Cheapflights users on 11/13. 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 12/146:40 pmOAJ - MIA
1 stop6h 06mDelta
Fri 12/197:00 amMIA - OAJ
1 stop6h 44mDelta
Deal found 11/13$253
This Delta deal was found by Cheapflights users on 11/12. 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.
Mon 12/155:30 amOAJ - MIA
1 stop5h 50mDelta
Thu 12/186:00 amMIA - OAJ
1 stop5h 13mDelta
Deal found 11/12$312
This Delta deal was found by Cheapflights users on 11/13. 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.
Tue 11/2511:56 amOAJ - MIA
1 stop6h 29mDelta
Fri 11/286:00 amMIA - OAJ
1 stop6h 44mDelta
Deal found 11/13$333
This Delta deal was found by Cheapflights users on 11/12. 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.
Mon 12/155:30 amOAJ - MIA
1 stop5h 50mDelta
Fri 12/197:00 amMIA - OAJ
1 stop6h 44mDelta
Deal found 11/12$358
This Delta deal was found by Cheapflights users on 11/13. 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.
Sat 11/1511:56 amOAJ - MIA
1 stop5h 22mDelta
Sun 11/237:00 amMIA - OAJ
1 stop4h 16mDelta
Deal found 11/13$371
This Delta deal was found by Cheapflights users on 11/12. 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.
Sat 12/134:30 pmOAJ - MIA
1 stop8h 16mDelta
Thu 12/188:05 amMIA - OAJ
1 stop5h 39mDelta
Deal found 11/12$416
This American Airlines deal was found by Cheapflights users on 11/13. 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 11/191:57 pmOAJ - MIA
1 stop7h 00mAmerican Airlines
Sat 11/296:00 amMIA - OAJ
1 stop4h 33mAmerican Airlines
Deal found 11/13$442
This American Airlines deal was found by Cheapflights users on 11/12. 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
Fri 12/195:30 pmMIA - OAJ
1 stop6h 29mAmerican Airlines
Deal found 11/12$447
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 12/157:02 pmOAJ - MIA
1 stop4h 50mAmerican Airlines
Thu 12/1812:03 pmMIA - OAJ
2 stops11h 56mAmerican Airlines
Deal found 11/12$465

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 November 13, 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

Sun 12/14

2:26 pm-8:51 pm

1 stop6h 25m

Miami

Thu 12/18

7:00 am-11:13 am

1 stop4h 13m

$207

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 1/22

2:15 pm-8:44 pm

1 stop6h 29m

Miami

Sat 1/31

6:00 am-11:04 am

1 stop5h 04m

$237

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 1/24

5:40 am-10:40 am

1 stop5h 00m

Miami

Sat 1/31

6:00 am-11:04 am

1 stop5h 04m

$237

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 2/25

4:00 pm-8:44 pm

1 stop4h 44m

Miami

Thu 2/26

6:00 am-11:04 am

1 stop5h 04m

$237

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 3/25

2:25 pm-6:57 pm

1 stop4h 32m

Miami

Wed 4/1

6:00 am-11:10 am

1 stop5h 10m

$237

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sun 12/14

2:26 pm-8:51 pm

1 stop6h 25m

Miami

Fri 12/19

7:00 am-1:44 pm

1 stop6h 44m

$253

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Fri 1/23

2:15 pm-8:44 pm

1 stop6h 29m

Miami

Sat 1/31

6:00 am-11:04 am

1 stop5h 04m

$268

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 1/22

5:40 am-10:40 am

1 stop5h 00m

Miami

Sun 2/1

6:00 am-11:04 am

1 stop5h 04m

$268

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Fri 12/5

2:26 pm-8:51 pm

1 stop6h 25m

$104

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 1/3

6:42 pm-12:46 am

1 stop6h 04m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

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 November 13, 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 November 13, 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
11,050 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

Food

6.4

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
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

Food

6.4

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 25m. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$362FlexibilityNo cancel feeOn-timeN/A

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