HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$78+ Cheap flights from Florida Keys to San Antonio (SAT)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florida Keys to San Antonio 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.

Cheap flight deals from Florida Keys to San Antonio

Keep the following information in mind while searching for Florida Keys to San Antonio flight deals. Data was last updated July 31, 2025.

Round-trip from

$156
(Southwest)

One-way from

$78
(Southwest)
From Florida Keys to San Antonio
Search Deals
One-way flight from Florida Keys to San Antonio
Search Deals

Find flight deals from Florida Keys to San Antonio

Cheapest flights from Florida Keys to San Antonio
Explore the most affordable flight options available from Florida Keys to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Southwest deal was found by Cheapflights users on 7/30. 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.
Fri 8/297:10 amMIA - SAT
1 stop4h 50mSouthwest
Tue 9/22:50 pmSAT - MIA
1 stop5h 55mSouthwest
Deal found 7/30$156
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/299:40 pmMIA - SAT
Nonstop2h 56mAmerican Airlines
Sun 8/315:20 amSAT - MIA
Nonstop2h 54mAmerican Airlines
Deal found 7/30$158
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 8/297:30 amMIA - SAT
1 stop6h 37mDelta
Tue 9/26:40 amSAT - MIA
1 stop7h 40mDelta
Deal found 7/31$217
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:00 amMIA - SAT
1 stop12h 36mSpirit Airlines
Sun 8/107:52 pmSAT - MIA
1 stop8h 46mSpirit Airlines
Deal found 7/30$222
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:00 amMIA - SAT
1 stop13h 02mFrontier
Sat 8/166:59 pmSAT - MIA
1 stop10h 31mFrontier
Deal found 7/28$238
This Orbitz deal was found by Cheapflights users on 7/29. 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.
Sun 8/1011:10 amMIA - SAT
1 stop6h 23mMultiple Airlines
Thu 8/148:14 pmSAT - MIA
1 stop9h 16mMultiple Airlines
Deal found 7/29$272

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florida Keys to San Antonio 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 July 31, 2025.
Use the filters below to find and compare flights from Florida Keys to San Antonio that are best for you.

Fly from

Florida Keys

Fly to

San Antonio

Route

Depart

Return

Price

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 8/29

7:10 am-11:00 am

1 stop4h 50m

San Antonio

Tue 9/2

2:50 pm-9:45 pm

1 stop5h 55m

$156

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 8/29

9:40 pm-11:36 pm

Nonstop2h 56m

San Antonio

Sun 8/31

5:20 am-9:14 am

Nonstop2h 54m

$158

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 8/29

7:30 am-1:07 pm

1 stop6h 37m

San Antonio

Tue 9/2

6:40 am-3:20 pm

1 stop7h 40m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 8/8

7:00 am-6:36 pm

1 stop12h 36m

San Antonio

Sun 8/10

7:52 pm-5:38 am

1 stop8h 46m

$222

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 8/12

6:00 am-6:02 pm

1 stop13h 02m

San Antonio

Sat 8/16

6:59 pm-6:30 am

1 stop10h 31m

$238

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sun 8/10

11:10 am-4:33 pm

1 stop6h 23m

San Antonio

Thu 8/14

8:14 pm-6:30 am

1 stop9h 16m

$272

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 8/29

6:05 am-2:50 pm

1 stop9h 45m

$78

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 8/7

11:10 am-4:33 pm

1 stop6h 23m

$79

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 8/30

6:15 am-2:35 pm

1 stop9h 20m

$119

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 9/10

9:44 pm-11:55 pm

Nonstop3h 11m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 11 results
1
2

Best time to book a flight from Florida Keys to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Florida Keys 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 Florida Keys to San Antonio

What is the cheapest time of day to fly from EOA to SAT?

Find hourly flight availability from Florida Keys to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Florida Keys to San Antonio as you normally would.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Florida Keys to San Antonio by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
8,049 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to San Antonio. 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 San Antonio from Florida Keys?

    San Antonio (SAT) is the airport you will fly into if you book a flight from Florida Keys to San Antonio. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

  • What are the cheapest airlines to fly from Florida Keys to San Antonio one-way?

    One-way options have recently been found by users for as low as $78 on Southwest. Other airlines that offer cheap prices include Spirit Airlines from $85 and Frontier from $119 one-way.

  • Can I find deals for flights from Florida Keys to San Antonio that include hotel bookings?

    Yes. In addition to deals on Florida Keys to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Florida Keys to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florida Keys to San Antonio.

  • Can I find deals for business class flights from Florida Keys to San Antonio?

    Yes. Cheapflights offers flight deals from Florida Keys to San Antonio 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 Florida Keys to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Florida Keys to San Antonio (average of $295). Flying from Florida Keys to San Antonio in March is currently the most expensive (average of $376). 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels

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 Florida Keys to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Dallas/Fort Worth flights
Fort Lauderdale to Dallas/Fort Worth flights
Miami to Dallas/Fort Worth flights
West Palm Beach to Dallas/Fort Worth flights
Fort Lauderdale to Love Field flights
Miami to Hobby flights
Orlando to Love Field flights
Fort Lauderdale to Hobby flights
Orlando to Hobby flights
Tampa to Hobby flights
Orlando to Austin flights
Fort Lauderdale to George Bush Intcntl flights
Tampa to Dallas/Fort Worth flights
Miami to George Bush Intcntl flights
Miami to Love Field flights
Tampa to George Bush Intcntl flights
Jacksonville to Hobby flights
Jacksonville to George Bush Intcntl flights
West Palm Beach to Love Field flights
Orlando to George Bush Intcntl flights
Fort Myers to Dallas/Fort Worth flights
Fort Lauderdale to Austin flights
Tampa to Austin flights
Fort Myers to Hobby flights
Jacksonville to Dallas/Fort Worth flights
Miami to Austin flights
Fort Myers to George Bush Intcntl flights
Orlando to San Antonio flights
West Palm Beach to Hobby flights
Tampa to Love Field flights
Fort Lauderdale to San Antonio flights
Pensacola to Dallas/Fort Worth flights
Pensacola to George Bush Intcntl flights
West Palm Beach to George Bush Intcntl flights
Sarasota to Dallas/Fort Worth flights
Miami to San Antonio flights
Tampa to San Antonio flights
Pensacola to Hobby flights
Jacksonville to Austin flights
Jacksonville to Love Field flights
West Palm Beach to Austin flights
Tallahassee to Hobby flights
Pensacola to Love Field flights
Pensacola to Austin flights
Panama City to Dallas/Fort Worth flights
Fort Myers to Austin flights
Panama City to Hobby flights
Fort Myers to Love Field flights
Orlando to McAllen flights
Fort Myers to San Antonio flights

Top airline flying from Florida Keys to San Antonio

Discover the top airline that operate flights from Florida Keys to San Antonio. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$371FlexibilityNo cancel feeOn-time71%

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.