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$127 Find Cheap Flights from Florida Keys to Austin - Compare and Save

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Flight Deals

Cheap Flights from Florida Keys to Austin

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Florida Keys to Austin

Mon, Oct 5 - Tue, Nov 10
Frontier Logo
9:30 pm - 5:48 pmMIA  Miami-AUS Austin Bergstrom
21h 18m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:20 pm - 9:31 pmAUS  Austin Bergstrom-MIA Miami
8h 11m1 stop Atlanta Hartsfield-Jackson
$243Frontier
Tue, Oct 6 - Tue, Oct 13
Frontier Logo
5:55 am - 7:29 pmMIA  Miami-AUS Austin Bergstrom
14h 34m1 stop Denver Intl
Frontier Logo
10:52 am - 2:18 pmAUS  Austin Bergstrom-MIA Miami
26h 26m2 stops Orlando Atlanta Hartsfield-Jackson
$245Frontier
Tue, Oct 6 - Tue, Oct 13
Delta Logo
7:10 pm - 9:19 pmMIA  Miami-AUS Austin Bergstrom
3h 09mnonstop
Delta Logo
12:18 pm - 6:30 pmAUS  Austin Bergstrom-MIA Miami
5h 12m1 stop Atlanta Hartsfield-Jackson
$249Delta
Tue, Dec 8 - Wed, Dec 16
Delta Logo
7:25 pm - 9:43 pmMIA  Miami-AUS Austin Bergstrom
3h 18mnonstop
Delta Logo
12:10 pm - 6:46 pmAUS  Austin Bergstrom-MIA Miami
5h 36m1 stop Atlanta Hartsfield-Jackson
$249Delta
Wed, Oct 14 - Wed, Oct 21
Southwest Logo
11:30 am - 1:35 pmMIA  Miami-AUS Austin Bergstrom
3h 05mnonstop
Southwest Logo
1:45 pm - 9:40 pmAUS  Austin Bergstrom-MIA Miami
6h 55m1 stop Baltimore/Washington
$249Southwest
Wed, Nov 4 - Wed, Nov 11
Southwest Logo
9:25 am - 3:55 pmMIA  Miami-AUS Austin Bergstrom
7h 30m1 stop Dallas Love Field
Southwest Logo
11:50 am - 3:30 pmAUS  Austin Bergstrom-MIA Miami
2h 40mnonstop
$249Southwest
Sat, Oct 10 - Mon, Oct 12
American Airlines Logo
5:49 pm - 7:58 pmMIA  Miami-AUS Austin Bergstrom
3h 09mnonstop
American Airlines Logo
5:00 am - 8:40 amAUS  Austin Bergstrom-MIA Miami
2h 40mnonstop
$256American Airlines
Wed, Dec 16 - Mon, Dec 21
American Airlines Logo
8:50 pm - 10:59 pmMIA  Miami-AUS Austin Bergstrom
3h 09mnonstop
American Airlines Logo
2:46 pm - 6:37 pmAUS  Austin Bergstrom-MIA Miami
2h 51mnonstop
$256American Airlines
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
3:00 pm - 8:00 pmMIA  Miami-AUS Austin Bergstrom
6h 00m1 stop Houston George Bush Intcntl
United Airlines Logo
7:20 am - 4:42 pmAUS  Austin Bergstrom-MIA Miami
8h 22m1 stop Newark
$259United Airlines
Sat, Oct 10 - Wed, Oct 14
United Airlines Logo
5:00 pm - 9:22 pmMIA  Miami-AUS Austin Bergstrom
5h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
12:15 pm - 11:39 pmAUS  Austin Bergstrom-MIA Miami
10h 24m2 stops Houston George Bush Intcntl Newark
$264United Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$127
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Miami to Austin

FAQs for booking flights from Florida Keys to Austin

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

    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 Florida Keys to Austin.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Austin from 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 Florida Keys to Austin?

    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 to Austin with an airline and back to Florida Keys with another airline.

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

    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 to Austin from Florida Keys up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Florida Keys to Austin

 
Need help choosing which airline to fly with from Florida Keys to Austin? 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 4195 reviews
7.5Entertainment
8.1Boarding
8.6Crew
7.0Food
8.0Comfort
Airline reviews

Delayed and once landed waited very long for the luggage

6.0 GoodIngeborg, Sep 2026
Read more Southwest reviews

Delayed and once landed waited very long for the luggage

Great job Southwest! My family doesn't fly often but we felt safe the whole time.

SW can't get their wifi right. I upgrade to insure wifi service but the last two trips had intermittent service. Not worth the extra costs.

One of the best airlines for fast boarding, on time arrivals, and top notch service!

It seems as though the provisions are even less. Although SWA used to be an economy Airline, that isn't really the case anymore. I paid over $700. for a round trip to Denver and I could have flown just about any airline for the price. The drinks are now in a 6-ounce cup and with ice I'm sure a can would fill more than 2 cups. However, I am very proud of SWA for using paper rather than continuing to contribute to the millions of plastic cups being used each day. I've thought of this fr many years and am so glad to see it come to fruition, if not by only SWA so far.

Crew was great - friendly and helpful with boarding - letting folks know where overhead space was available thus getting us out of the gate on time.

AC wasn't working then we sat on the tarmac in Austin for 40 minutes waiting for a gate.

I stopped flying southwest a long time ago. I don’t care for their boarding process, especially when I have a family to try and seat together. The early bird check in made it so much easier. As long as you do that, it’s great.

Excellent! Very attentive & helpful during a weather delay to keep people safe, com, and informed!

Issue during taxi lead to two hours of sitting in the tarmac and a lot of miscommunication and confusion from flight crew

The wifi was barely operable. just enough to charge me, not enough to be useful. I wasted 2 hours of time I could have been working. So now, I' have two hours of work this weekend to catch up on thanks to Delta's crappy technology. Plus I'm out the money!

It’s a 3 hour flight with no entertainment and no WiFi due to Delta using old planes on this route and food is cold. Today we were told no potable water on the flight to even make coffee or tea. Ridiculous service in this direct route for business travelers and non business travelers

Audio Visual Equipment lacking content and features. No connection ability for noise cancellation pods

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Smaller plane for a longer flight than my first one. Doesn’t make sense.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

The flight was scheduled for 2:30 PM. Early in the morning we got a text message saying the flight was delayed and rescheduled for 3:00 PM. We got to the airport with that in mind. Then we got a message during check-in at the flight was rescheduled again for 2:30 PM. We almost missed our flight. In fact, our bags Were told that they would not make it. At the end, everything worked out. But it is very stressful.

They were an hour late and they didn’t have my wheelchair for me

Food service was bare-bone. Better bot to have any at all rather than hand out premade coffees and cookies to random few passengers.

due to delay, we were downgraded in seating, so it was cramped

KUDOS TO ALL THE CREW PROVIDING ASSISTANCE WITH PASSENGERS ON A WHEELCHAIR. ON BOTH FLIGHTS THEY HUSTLED TO TAKE MY RELATIVE TO CONNECTION ON TIME. THEY DESERVE A LOT OF CREDIT!

My original flight was cancelled. My replacement flight was delayed over 2 hours. I lost my whole day in NY

Delays were crazy long (over an hour) both for boarding and baggage claim

awful expereince. boarding was a mess and not communicated, then we sat on a hot plane and were at risk of getting kicked off

2 hour delay and a lack of air conditioning on the plane. Not a good combination

First time flying JetBlue and my perception changed. Love it.

Poor, had a 5+ hours delay. Kept sitting in the aircraft with three kids. It was terrible

Worst customer service ever experienced on the planet, dirty plane, no communication, and severe delays

Going through JFK’s security is a mess. The TSA security said no shoes on the bins. So, we place our shoes in the belt and they came out all over the belt. Boarding was delayed and Flight as well.

I loved the flight and the crew. It was comfortable and smooth.

My original flight kept getting postponed multiple times, I would have missed my international flight if I waited. It was postponed through the next day. I ended up having to drive 3 hours away to get my next flight.

The plane left late and there were four gate changes. Fortunately they were all in the same terminal. The crew was truly outstanding. There were only nuts to eat due to the very short flight time. Beverages were as expected.

Didn’t happe- would have missed connection so we rebooked

Leave on time. We waited on the plane for hour hours and it was hot and smelly

It was the most un-special flight experience in my life.

Massimo, flight attendant was very authentic, attentive - wonderful. Food/wrap was just okay.

2 hour delay due to equipment failure. No updates via the app and airport screens (which continued to show a departure time in the past). AA eventually switched planes and the new plane was not catered or cleaned correctly.

The plane was very warm and the crew turned on the lights for the entire snack service.

The gate crew did try to help, however they lacked the information as to whether the flight will operate or not. Being delayed 6 hours and in a limbo on whether the flight will operate or not is not fun. The airline having staffing issues is not encouraging at all.

Gossipy flight attendants talked the whole flight about bar hopping and dating.

Terrible. Delayed my family flight for several hours affecting family plans

Flight was delayed and then my second leg was completely canceled. Had to get a refund

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

baggage clamed had to wait over a hour and half for all people on my flight it was terrible

My flight was canceled I was promised a reginf still not received.

The confirmation # CK8GNW and my name was not recognized/in Frontier system. I was able to check in on Frintier app so i went to the Frontier ticket agent, at time they told me that my name/ confirmation did not show up as a purchased ticket. I had to purchase a new ticket that cost $289.00 one way.

Worst airline experience. They were rude and kept changing our seats and/or giving our seats away so our family didn’t get to sit with each other. Almost everyone we dealt with at both airports with this airline was rude. The app kept giving us wrong information making things take longer. Dealing with them before TSA can take close to an hour…longer than I’ve ever had to deal with before. Never using this airline again.

An absolutely fraudulent experience. Extremely unprofessional. Terrible in all ways possible. Rude staff, flight attendants, and deceptive "policies."

The worst service , the agents from the counter are really bad . Poor customer service . They didnt help me to get in the flight . I was on line when they close the flight without telling and I couldn’t board the plane . I will like to get my money back ey back because it was their fault. Really bad management , bad manners, bad additud

Good - Leg spar, cleanliness, and on time performance. Bad - No snacks and entertainment.

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