HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$54+ Cheap flights from Jacksonville (JAX) 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — MIA
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Jacksonville to Key Largo with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Jacksonville to Key Largo are usually found in February or May, booked 55 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Jacksonville to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Key Largo (KE9). 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 diciembre 18, 2024.

Round-trip from

$173
(Delta)

One-way from

$54
(Frontier)

Popular in

October

Cheapest in

February

Average price

$368
From Jacksonville to Key Largo
Search Deals
One-way flight from Jacksonville to Key Largo
Search Deals
High demand for flights, 24% potential price rise
Search Deals
Best time to find cheap flights, 5% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

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 diciembre 18, 2024.

This American Airlines deal was found by Cheapflights users on 12/18. 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.
mar. 12/318:38 pmJAX - MIA
Nonstop1h 27mAmerican Airlines
mié. 1/19:55 pmMIA - JAX
Nonstop1h 39mAmerican Airlines
Deal found 12/18$301
This Delta deal was found by Cheapflights users on 12/18. 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.
mar. 12/245:00 pmJAX - MIA
1 stop4h 24mDelta
mié. 12/256:00 amMIA - JAX
1 stop4h 22mDelta
Deal found 12/18$371
This Southwest deal was found by Cheapflights users on 12/17. 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.
mar. 12/316:10 amJAX - MIA
1 stop8h 50mSouthwest
mié. 1/14:30 pmMIA - JAX
1 stop3h 50mSouthwest
Deal found 12/17$408
This Mytrip deal was found by Cheapflights users on 12/17. 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.
sáb. 12/284:32 pmJAX - MIA
2 stops29h 28mMultiple Airlines
sáb. 1/185:45 amMIA - JAX
3 stops28h 55mMultiple Airlines
Deal found 12/17$750
This United Airlines deal was found by Cheapflights users on 12/18. 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.
mar. 12/319:25 amJAX - MIA
2 stops14h 34mUnited Airlines
mié. 1/18:49 amMIA - JAX
1 stop11h 03mUnited Airlines
Deal found 12/18$770

Find flights from Jacksonville to Key Largo within your budget

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 diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mar. 1/14

1:59 pm-8:55 pm

1 stop6h 56m

Miami

vie. 1/17

6:00 am-10:22 am

1 stop4h 22m

$173

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

jue. 1/23

11:36 am-10:33 pm

1 stop10h 57m

Miami

lun. 1/27

8:06 am-4:59 pm

1 stop8h 53m

$198

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mié. 1/29

7:10 am-6:35 pm

2 stops11h 25m

Miami

dom. 2/2

6:30 am-3:25 pm

1 stop8h 55m

$250

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mar. 1/28

11:43 am-6:15 pm

1 stop6h 32m

Miami

mar. 2/4

1:59 pm-9:11 pm

1 stop7h 12m

$293

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

dom. 1/19

4:49 pm-6:16 pm

Nonstop1h 27m

Miami

sáb. 1/25

8:06 am-9:25 am

Nonstop1h 19m

$301

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mié. 1/15

9:31 am-9:47 pm

1 stop12h 16m

Miami

mié. 1/22

5:45 am-10:40 am

3 stops28h 55m

$362

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mié. 1/15

8:00 am-2:41 pm

1 stop6h 41m

Miami

mié. 1/22

9:00 am-10:00 pm

2 stops13h 00m

$500

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mar. 2/25

10:46 am-5:01 pm

1 stop6h 15m

$54

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mié. 2/19

2:59 pm-9:27 pm

1 stop6h 28m

$79

JacksonvilleMiami

JAX - MIA

JAXMIA

Jacksonville

mié. 1/8

11:43 am-6:15 pm

1 stop6h 32m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 14 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.

Travel insights for flights from Jacksonville to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Jacksonville to Key Largo. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Jacksonville to Key Largo, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Jacksonville to Key Largo (average of $218). Flying from Jacksonville to Key Largo in March is currently the most expensive (average of $286). 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 JAX 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 diciembre 18, 2024.

When flying from Jacksonville to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 diciembre 18, 2024.
Peruse reviews from past customers who have flown with American Airlines, United Airlines and Southwest from Jacksonville to Key Largo to help guide your decision. 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
4,848 reviews

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

JetBlue
7.4
Good
3,279 reviews
Southwest
8.1
Very good
4,848 reviews

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

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
4,848 reviews

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

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 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?

    If you book a flight to Key Largo from Jacksonville, you will be flying from Jacksonville, which is the city’s only airport. Jacksonville (JAX) is located 11.2 mi from the center of Jacksonville. There are 5 flights from Jacksonville to Key Largo per day from 3 different airlines.

  • How popular is this Jacksonville to Key Largo flight route?

    Within the past month, 80 users have taken a look at flights from Jacksonville to Key Largo.

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

    $54 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and JetBlue, with prices starting from $79 and $107, respectively.

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

    Before booking your flight to Key Largo from Jacksonville, check out the most reliable airlines to get you to your destination on time: Atlas Air (100%), Finnair (100%), Republic Airways( 100%).

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

    On average you can expect to pay $1,217 for a flight from Jacksonville to Key Largo. The cheapest flight overall is $167 while the most popular route, (Jacksonville - Miami) is currently priced at $173.

  • 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 to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Jacksonville to Key Largo (average of $218). Flying from Jacksonville to Key Largo in March is currently the most expensive (average of $286). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Jacksonville to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Tampa to Miami flights
Miami to Orlando flights
Tampa to Fort Lauderdale flights
Orlando to Miami flights
Fort Lauderdale to Tampa flights
Miami to Tampa flights
Tampa to Key West flights
Orlando to Fort Lauderdale flights
Pensacola to Orlando flights
Orlando to Key West flights
Fort Lauderdale to Orlando flights
Jacksonville to Miami flights
Pensacola to Tampa flights
Pensacola to Miami flights
Orlando to Pensacola flights
Pensacola to Fort Lauderdale flights
Fort Lauderdale to Tallahassee flights
Jacksonville to Fort Lauderdale flights
Miami to Jacksonville flights
Miami to Tallahassee flights
Tampa to Pensacola flights
Fort Lauderdale to Key West flights
Tallahassee to Miami flights
Tallahassee to Fort Lauderdale flights
Fort Myers to Key West flights
Fort Lauderdale to Jacksonville flights
Miami to Key West flights
Fort Lauderdale to Pensacola flights
Miami to Pensacola flights
Miami to Fort Lauderdale flights
Fort Lauderdale to Miami flights
Jacksonville to Key West flights
Tampa to West Palm Beach flights
Tallahassee to Tampa flights
Fort Myers to Pensacola flights
Fort Myers to Orlando flights
Miami to Panama City flights
Orlando to Tampa flights
Key West to Orlando flights
Tampa to Tallahassee flights
Sarasota to Key West flights
Tampa to Jacksonville flights
Tallahassee to West Palm Beach flights
Orlando to Fort Myers flights
West Palm Beach to Tampa flights
Sarasota to Miami flights
West Palm Beach to Pensacola flights
West Palm Beach to Jacksonville flights
Orlando to Jacksonville flights
Sarasota to Jacksonville flights

Top 3 airlines flying from Jacksonville to Key Largo

Discover the top 3 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 diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$103Average$238FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$120Average$345FlexibilityNo cancel feeOn-time71%
DeltaCheapest$156Average$392FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.