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$61+ Cheap flights from Key Largo, FL to Jacksonville (JAX)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — JAX
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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The best prices from Key Largo to Jacksonville are usually found in February or July, booked 81 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from Key Largo to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Jacksonville (JAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2025.

Round-trip from

$120
(Orbitz)

One-way from

$61
(Frontier)

Popular in

December

Cheapest in

February

Average price

$366
From Key Largo to Jacksonville
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One-way flight from Key Largo to Jacksonville
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Highest demand for flights based on searches. 34% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Key Largo to Jacksonville

Cheapest flights from Key Largo to Jacksonville
Explore the most affordable flight options available from Key Largo to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

This Orbitz deal was found by Cheapflights users on 1/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2410:23 pmMIA - JAX
1 stop11h 23mFrontier
Tue 2/2510:46 amJAX - MIA
1 stop6h 15mFrontier
Deal found 1/22$120
This JetBlue deal was found by Cheapflights users on 1/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:00 amMIA - JAX
1 stop7h 07mJetBlue
Wed 2/2610:34 amJAX - MIA
1 stop6h 25mJetBlue
Deal found 1/22$215
This Mytrip deal was found by Cheapflights users on 1/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/710:20 amMIA - JAX
1 stop7h 57mMultiple Airlines
Mon 3/108:34 pmJAX - MIA
1 stop11h 59mMultiple Airlines
Deal found 1/22$237
This Delta deal was found by Cheapflights users on 1/22. 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 2/67:00 amMIA - JAX
1 stop13h 41mDelta
Mon 2/107:36 amJAX - MIA
1 stop15h 51mDelta
Deal found 1/22$260
This Southwest deal was found by Cheapflights users on 1/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/181:25 pmMIA - JAX
1 stop7h 35mSouthwest
Fri 2/213:50 pmJAX - MIA
1 stop7h 10mSouthwest
Deal found 1/22$305
This American Airlines deal was found by Cheapflights users on 1/21. 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 3/18:23 pmMIA - JAX
Nonstop1h 41mAmerican Airlines
Sat 3/85:50 amJAX - MIA
Nonstop1h 25mAmerican Airlines
Deal found 1/21$391
This United Airlines deal was found by Cheapflights users on 1/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/197:00 amMIA - JAX
2 stops14h 41mUnited Airlines
Wed 2/269:25 amJAX - MIA
1 stop11h 01mUnited Airlines
Deal found 1/22$475

Find flights from Key Largo to Jacksonville within your budget

Customize your flight search to find flights from Key Largo to Jacksonville 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 January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Mon 2/24

10:23 pm-9:46 am

1 stop11h 23m

Jacksonville

Tue 2/25

10:46 am-5:01 pm

1 stop6h 15m

$120

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Wed 2/19

6:00 am-1:07 pm

1 stop7h 07m

Jacksonville

Wed 2/26

10:34 am-4:59 pm

1 stop6h 25m

$215

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Fri 3/7

10:20 am-6:17 pm

1 stop7h 57m

Jacksonville

Mon 3/10

8:34 pm-8:33 am

1 stop11h 59m

$237

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Thu 2/6

7:00 am-8:41 pm

1 stop13h 41m

Jacksonville

Mon 2/10

7:36 am-11:27 pm

1 stop15h 51m

$260

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Tue 2/18

1:25 pm-9:00 pm

1 stop7h 35m

Jacksonville

Fri 2/21

3:50 pm-11:00 pm

1 stop7h 10m

$305

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Sat 3/1

8:23 pm-10:04 pm

Nonstop1h 41m

Jacksonville

Sat 3/8

5:50 am-7:15 am

Nonstop1h 25m

$391

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Wed 2/19

7:00 am-9:41 pm

2 stops14h 41m

Jacksonville

Wed 2/26

9:25 am-8:26 pm

1 stop11h 01m

$475

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Wed 2/12

6:23 pm-7:43 am

1 stop13h 20m

$61

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Thu 2/6

1:58 pm-9:11 pm

1 stop7h 13m

$126

MiamiJacksonville

MIA - JAX

MIAJAX

Miami

Tue 2/25

7:00 am-1:54 pm

1 stop6h 54m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 14 results
1
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Best time to book a flight from Key Largo to Jacksonville

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

Travel insights for flights from Key Largo to Jacksonville

Get recent, data-driven insights about flights from Key Largo to Jacksonville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Jacksonville?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Jacksonville. Price data was last updated on January 17, 2025.

The best time to book flights from Key Largo to Jacksonville is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Key Largo to Jacksonville (average of $278). Flying from Key Largo to Jacksonville in March is currently the most expensive (average of $365). 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 KE9 to JAX?

Find hourly flight availability from Key Largo to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Jacksonville as you normally would.

What is the cheapest day to fly from Key Largo to Jacksonville?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Jacksonville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Jacksonville flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Jacksonville

Explore weekly flight availability from Key Largo to Jacksonville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 22, 2025.

The most flights from KE9 to JAX are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Jacksonville by month

Plan your trip to Jacksonville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Jacksonville ranges from 2.1 - 8.2 inches per month. September is typically the wettest month, when rainfall can reach 8.2 in. November is typically the driest time to visit Jacksonville when rainfall is around 2.1 in.

Temperature in Jacksonville by month

Plan your trip to Jacksonville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Jacksonville, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated January 22, 2025.
Read through reviews of airlines operating flights from Key Largo to Jacksonville, such as Frontier, Southwest and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.1
Very good
4,654 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Delta
8.0
Very good
8,514 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

JetBlue
7.4
Good
3,190 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

United Airlines
7.4
Good
8,975 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Jacksonville. 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 into for flights to Jacksonville from Key Largo?

    Jacksonville (JAX), located 11.2 mi from the city center, is the airport you fly into when you book flights from Key Largo to Jacksonville. 3 airlines have flights to Jacksonville from Key Largo on a regular basis. Booking flights from Key Largo to Jacksonville should not be difficult; the airport handles an average of 15 inbound flights from Key Largo per day.

  • What are the cheapest airlines to fly from Key Largo to Jacksonville one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $61. Users have also found prices from $126 and $132 on JetBlue and Delta, respectively.

  • What are the most reliable airlines from Key Largo to Jacksonville?

    Consider Republic Airways (100%), Envoy Air (88%) or Gulf Air (87%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to Jacksonville.

  • What are the cheapest flights from Key Largo to Jacksonville?

    Looking for the cheapest flight from Key Largo to Jacksonville? While on average our users pay $399, our data indicates the cheapest price to be $150. The most popular route (Miami - Jacksonville), is priced around $182.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Jacksonville 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 Key Largo to Jacksonville?

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Jacksonville (average of $278). Flying from Key Largo to Jacksonville in March is currently the most expensive (average of $365). 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

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Jacksonville Beach
Kingsland
Waycross
Orange Park
Fernandina Beach

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Top 3 airlines flying from Key Largo to Jacksonville

Discover the top 3 airlines that operate flights from Key Largo to Jacksonville. 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 January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$68Average$176FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$119Average$334FlexibilityNo cancel feeOn-time71%
DeltaCheapest$146Average$288FlexibilityNo cancel feeOn-timeN/A
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