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Key Largo

$204+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — MIA
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
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 May 13, 2026.

This American Airlines deal was found by Cheapflights users on 5/8. 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 5/236:11 pm
OAJ
-
MIA
1 stop6h 36m
American Airlines
Wed 5/277:40 am
MIA
-
OAJ
1 stop5h 09m
American Airlines
Deal found 5/8$307
This American Airlines deal was found by Cheapflights users on 5/12. 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 5/286:11 pm
OAJ
-
MIA
1 stop6h 36m
American Airlines
Mon 6/18:40 am
MIA
-
OAJ
1 stop5h 55m
American Airlines
Deal found 5/12$343
This Delta deal was found by Cheapflights users on 5/11. 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 5/164:07 pm
OAJ
-
MIA
1 stop5h 20m
Delta
Sat 5/238:05 am
MIA
-
OAJ
1 stop7h 22m
Delta
Deal found 5/11$393
This American Airlines deal was found by Cheapflights users on 5/11. 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 6/13:07 pm
OAJ
-
MIA
1 stop6h 50m
American Airlines
Fri 6/57:40 am
MIA
-
OAJ
1 stop5h 09m
American Airlines
Deal found 5/11$408
This American Airlines deal was found by Cheapflights users on 5/9. 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 6/86:11 pm
OAJ
-
MIA
1 stop6h 35m
American Airlines
Sun 6/147:40 am
MIA
-
OAJ
1 stop5h 09m
American Airlines
Deal found 5/9$438
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/273:07 pm
OAJ
-
MIA
1 stop4h 56m
American Airlines
Tue 7/76:21 am
MIA
-
OAJ
1 stop6h 27m
American Airlines
Deal found 5/8$459
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/253:07 pm
OAJ
-
MIA
1 stop6h 49m
American Airlines
Mon 6/297:40 am
MIA
-
OAJ
1 stop6h 55m
American Airlines
Deal found 5/8$488
This Delta deal was found by Cheapflights users on 5/10. 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 5/116:47 pm
OAJ
-
MIA
1 stop6h 00m
Delta
Mon 5/186:00 am
MIA
-
OAJ
1 stop5h 06m
Delta
Deal found 5/10$538
This American Airlines deal was found by Cheapflights users on 5/11. 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 9/126:58 am
OAJ
-
MIA
2 stops5h 57m
American Airlines
Wed 9/163:28 pm
MIA
-
OAJ
1 stop6h 07m
American Airlines
Deal found 5/11$763
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/165:10 am
OAJ
-
MIA
1 stop4h 05m
American Airlines
Sat 5/2312:01 pm
MIA
-
OAJ
2 stops5h 45m
American Airlines
Deal found 5/11$802

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 May 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(American Airlines)

One-way from

$204
(Delta)

Popular in

March

Cheapest in

September
Provider with most accurate pricing for Jacksonville Albert J Ellis-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville Albert J Ellis-Miami flights.
Search Deals
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. 11% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals

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 May 13, 2026.
Use the filters below to find and compare flights from Jacksonville to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 5/23

6:11 pm-12:47 am

1 stop6h 36m

Miami

Wed 5/27

7:40 am-12:49 pm

1 stop5h 09m

$307

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 9/12

4:00 pm-10:48 pm

1 stop6h 48m

Miami

Wed 9/16

7:00 am-1:42 pm

1 stop6h 42m

$307

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 5/28

6:11 pm-12:47 am

1 stop6h 36m

Miami

Mon 6/1

8:40 am-2:35 pm

1 stop5h 55m

$343

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Mon 6/8

6:11 pm-12:46 am

1 stop6h 35m

Miami

Sun 6/14

7:40 am-12:49 pm

1 stop5h 09m

$438
Quickest round-trip

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 6/27

3:07 pm-8:03 pm

1 stop4h 56m

Miami

Tue 7/7

6:21 am-12:48 pm

1 stop6h 27m

$459

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 6/25

3:07 pm-9:56 pm

1 stop6h 49m

Miami

Mon 6/29

7:40 am-2:35 pm

1 stop6h 55m

$488

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Sat 9/12

6:58 am-12:55 pm

2 stops5h 57m

Miami

Wed 9/16

3:28 pm-9:35 pm

1 stop6h 07m

$763
Cheapest one-way

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Thu 6/4

6:47 pm-12:47 am

1 stop6h 00m

$204

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Mon 5/25

1:14 pm-8:03 pm

1 stop6h 49m

$229
Quickest one-way

JacksonvilleMiami

OAJ - MIA

OAJMIA

Jacksonville Albert J Ellis

Wed 5/27

4:07 pm-9:18 pm

1 stop5h 11m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 17 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.

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 May 13, 2026.
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
7.1
Good
11,662 reviews

Food

6.4

Crew

7.9

Overall

7.1

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.
American Airlines
7.1
Good
11,662 reviews
American Airlines
7.1
Good
11,662 reviews

Food

6.4

Crew

7.9

Overall

7.1

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

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 36m. 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.

See more FAQs

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Alternative routes for Jacksonville to Key Largo

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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 May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$292FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$212Average$311FlexibilityNo cancel feeOn-time71%

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