$84 Find Cheap Flights from Jacksonville to Florida Keys

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Jacksonville to Florida Keys departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Florida Keys

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Jacksonville to Florida Keys, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Jacksonville to Florida Keys, as well as popular online travel agencies
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Cheap Flights from Jacksonville to Florida Keys

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Miami
Miami1 stop$158
Key West
Key West1 stop$251
Miami
Miami1 stop$158
Key West
Key West1 stop$251

Book Cheap Jacksonville to Florida Keys Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Jacksonville to Florida Keys that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Jacksonville to Florida Keys

Tue, Nov 4 - Sat, Nov 8
Southwest Logo
1:05 pm - 7:50 pmJAX-MIA
6h 45m1 stop
Southwest Logo
6:05 am - 12:15 pmMIA-JAX
6h 10m1 stop
$158Southwest
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Tue, Nov 4 - Sat, Nov 8
Southwest Logo
11:50 am - 9:50 pmJAX-MIA
10h 00m2 stops
Southwest Logo
6:05 am - 12:15 pmMIA-JAX
6h 10m1 stop
$164Southwest
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Sat, Aug 16 - Sun, Aug 24
Frontier Logo
12:45 pm - 8:38 pmJAX-MIA
7h 53m1 stop
Frontier Logo
9:08 am - 10:01 pmMIA-JAX
12h 53m1 stop
$208Frontier
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Sat, Aug 16 - Sun, Aug 24
Frontier Logo
12:45 pm - 8:38 pmJAX-MIA
7h 53m1 stop
Frontier Logo
9:08 am - 10:01 pmMIA-JAX
12h 53m1 stop
$215Frontier
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Sat, Aug 23 - Tue, Aug 26
Delta Logo
2:40 pm - 8:12 pmJAX-EYW
5h 32m1 stop
Delta Logo
6:20 pm - 11:59 pmEYW-JAX
5h 39m1 stop
$251Delta
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Sat, Oct 18 - Thu, Oct 23
American Airlines Logo
3:25 pm - 7:22 pmJAX-EYW
3h 57m1 stop
American Airlines Logo
7:52 pm - 11:59 pmEYW-JAX
4h 07m1 stop
$279American Airlines
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Wed, Aug 27 - Wed, Sep 3
Delta Logo
2:40 pm - 8:12 pmJAX-EYW
5h 32m1 stop
Delta Logo
6:20 pm - 11:59 pmEYW-JAX
5h 39m1 stop
$289Delta
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Sat, Aug 30 - Sun, Aug 31
American Airlines Logo
1:29 pm - 4:50 pmJAX-MIA
27h 21m1 stop
American Airlines Logo
8:49 pm - 10:14 pmMIA-JAX
1h 25mnonstop
$292American Airlines
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Fri, Oct 31 - Sun, Nov 2
 Logo
9:38 am - 9:02 amJAX-EYW
23h 24m2 stops
 Logo
8:33 pm - 5:43 pmEYW-JAX
21h 10m2 stops
Fri, Jan 16 - Sun, Jan 18
 Logo
11:25 am - 1:30 pmJAX-EYW
26h 05m3 stops
 Logo
3:46 pm - 10:35 amEYW-JAX
18h 49m2 stops
Booking Insights

KAYAK's insights & trends for Jacksonville to Florida Keys flights

Get data-powered insights and trends into flights from Jacksonville to Florida Keys to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Jacksonville to Florida Keys?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $537, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Jacksonville to Florida Keys?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Jacksonville to Florida Keys, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Jacksonville to Florida Keys is March, when tickets cost $272 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $550 and $513 respectively.

What’s the cheapest day of the week to fly from Jacksonville to Florida Keys?

The average price of all round-trip flights from Jacksonville to Florida Keys clicked on KAYAK for each day over the last 12 months.

When flying from Jacksonville to Florida Keys, you should consider leaving on a Sunday and avoid Thursdays if you are looking for the best rates. For your return to Jacksonville, you’ll find the best rates on Fridays and the most expensive ones on Mondays.

How far in advance should I book a flight from Jacksonville to Florida Keys?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Jacksonville to Florida Keys, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Jacksonville to Florida Keys, you should book around 4 weeks before departure, which saves you about 52% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.


Good to know

Low seasonJune
Cheapest flight$84
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Jacksonville to Miami

FAQs - booking Florida Keys flights

  • How does KAYAK find such low prices on flights from Jacksonville to Florida Keys?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Jacksonville to Florida Keys.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Jacksonville to Florida Keys?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Jacksonville to Florida Keys is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Jacksonville to Florida Keys?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Jacksonville to Florida Keys with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Jacksonville to Florida Keys?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Jacksonville to Florida Keys up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Florida Keys?

    The cheapest time of day to fly to Florida Keys is generally in the morning, when round-trip flights cost $578 on average. Morning departures are around 46% cheaper than evening flights, on average. The most expensive time of day to fly to Florida Keys is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,062.

Top tips for finding cheap flights to Florida Keys

  • Looking for a cheap flight? 25% of our users found tickets from Jacksonville to the following destinations at these prices or less: Miami $282 one-way - $480 round-trip

Reviews of the top 4 airlines serving from Jacksonville to Florida Keys

 
See real verified KAYAK customer reviews for airlines flying from Jacksonville to Florida Keys. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Jacksonville to Florida Keys? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.0Comfort
8.1Boarding
7.0Food
8.6Crew
7.5Entertainment
Airline reviews

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

6.0 GoodDavid, Jul 2025BWI - RSW
Read more Southwest reviews

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

Everything was on time. I was disappointed by the front section female, African American flight attendant. I did not see her name tag or would have identified by name not race. As passengers moved to the bathroom early in flight, she would say with a disdainful tone “I have to say the seat belt light is on” then go back to her book. Better trained flight attendants say something like be careful the seat belt light is on.

I'm not a fan of Southwest's model. I don't like the herding style of boarding.

It is southwest seat was ok. Not the most comfortable seat

The price of the tickets isn't matching the flight experience. No matter how long the flight is, you're only getting pretzels. The flight attendants looked unkept and over it.

Plz don't take away free bags and free seating

WiFi on the flight was not working. Thus, entertainment options were limited.

Flight was awfully bumpy and landing was a bit jolting. I was in the restroom when snacks and drinks were served and was not asked if i wanted any. I had to ask for water finally.

Excellent! Only question is how we check in at exactly 24 hours in advance and end up at the end of the B boarding group

Crew was great flight was great baggage claim was a failure. It took over 1 hour for bags to arrive. Poor communication poor effort when I spoke to the supervisor about the delay

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

this crew didn't care much. bumping carts into seats more times than i care to remember

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

Flight was an hour late, who knows why. It was OK, nothing outstanding.

Excellent check-in. Crew was good. Excellent communication from flight deck.

Amazing flight! I have never noticed the uniforms of the attendants before in twenty years of flying except today when one female had the most amazing dress on. It was beautifully designed and showed she was in charge. I never dreamed I would google who designed Delta uniforms . The ultimate compliment is when another woman admires your outfit. . I hope your designer puts it on the market

I am very bothered by the events today. I can't believe the flight attendants allowed someone to take my seat and made me move. It was embarrassing. I was in the right. The lady just didn't want move. I can't believe delta would allow this to stand and disrespect my rights as a passenger. The lady complained about her leg and that she couldn't move. Firstly somehow she was able to make it to row 24. Not sure how much her leg could have hurt. Secondly, I'm in plenty of pain myself. I just finished chemotherapy a several weeks ago. My body is constantly sore. Yet deltas flight attendants didn't appropriately protect my rights. In the end they found me a seat on the plane but I want to understand how delta can operate this way. They in essence allowed a bully to get their way.

Crew was friendly Love the entertainment in the seat head rest.

The captain gave good announcements and the flight attendants were friendly. The WiFi was pretty good. The plane itself looked very old inside and the seats were very uncomfortable. The screens in the seat backs were the smallest I’ve ever seen. There were so many loud and obnoxious kids on this flight and the parents didn’t do much to try to quiet them down. Some had videos and games on tablets with higher than necessary volume going the whole time.

My JetBlue experience was nice. The flights ran on time, the aircraft was clean and comfortable, and the flight attendants were attentive. My only issue, which is isolated to the low-cost (budget) option at JetBlue, is that the check in process makes the user feel that they have to buy their seats. The seats offered for purchase are upgrades from the budget seats you get (which are essentially the last seats remaining). The interface should not make it feel like you must purchase a seat.

I especially liked the lead crew officer. His boarding and safety announcements were made with a bit of novelty and humor. The flight also left the gate 10 minutes early and we landed about 20 minutes early… It was a delightful flight…

Spend hours delayed with no food, water anything sitting on the aieplane with no ability to eat or use the restroom. My entire experience was the absolute worst. I will never fly jet Blue again.

It would have been nice if they had offered more than one set of snacks

Communication since no reason or explanation was given for 3 hrs delay

Flight was delayed several 3 hours - no reason was given and no communication what so ever.

No overhead baggage room even though I was seated in row 2. Consequently had to check in my carry on bag. Baggage carousel was jammed. Took 45 min to get my bag.

Excellent. Although they used to greet me as a mosaic member and provide a free drink, early boarding helps me to keep coming back to JetBlue.

Cancelled flight with no specific instructions to get a boarding pass for another flight. The whole flight of people were in line for an hour because there was only 1 person to help at the desk. This was unusual for JetBlue.

It was very difficult to stretch my knee out and I am very short. I also had a torn tendon in my knee which made it extra uncomfortable anyways. My husband is 6'2" and I can't imagine him flying in that plane.

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

This flight never occurred because AA couldn’t get their act together.

I was late from Jacksonville, FL but the limited interaction I had with the Philly crew was great.

During service there was a garbage/beverage spill near our seats that never was cleaned up. On a relatively short flight when we’re fortunate enough to actually have in flight movies available, the flight attendants pitching the AADVANTAGE credit card shouldn’t talk for the last 10 minutes of the flight so that we miss the end of the movie.

Waited on the runway for takeoff for 2.5 hours. Air traffic rerouted us. The plane didn't have enough fuel, so had to go back to the gate. Had to wait for a new pilot. Should have landed at 5:22. Didn't land until 9:10. Trash flight.

The boarding was pretty easy. However, the first class seats are not lay flat as other airlines (like JetBlue) has and therefore sleeping was a challenge.

Everything about the flight was lovely…We left early, arrived early, cabin crew were efficient and helpful. Flight was easy and most pleasant.

Would have thought that they would gas up plane before everyone got on board

Fine. On time, cabin service was fine, bag arrived. All good. Flying into DCA so did not collide with any helicopters, which is also good. Horrid incident that could have and should have been prevented.

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