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San Antonio

$90+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAT
Nov 6 — Nov 131
Thu 11/6
Thu 11/13
1 adult, Economy
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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 October 7, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$90
(Southwest)
From Florida Keys to San Antonio
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One-way flight from Florida Keys to San Antonio
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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 October 7, 2025.

This American Airlines deal was found by Cheapflights users on 10/6. 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 11/79:40 pmMIA - SAT
Nonstop3h 19mAmerican Airlines
Mon 11/105:23 amSAT - MIA
Nonstop2h 46mAmerican Airlines
Deal found 10/6$159
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Wed 11/59:40 pmMIA - SAT
Nonstop3h 19mAmerican Airlines
Wed 11/125:23 amSAT - MIA
Nonstop2h 46mAmerican Airlines
Deal found 10/6$162
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 10/303:30 pmMIA - SAT
Nonstop3h 12mAmerican Airlines
Tue 11/45:23 amSAT - MIA
Nonstop2h 46mAmerican Airlines
Deal found 10/6$179
This Southwest deal was found by Cheapflights users on 10/5. 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 11/41:05 pmMIA - SAT
2 stops9h 50mSouthwest
Tue 11/1112:45 pmSAT - MIA
1 stop6h 05mSouthwest
Deal found 10/5$184
This Southwest deal was found by Cheapflights users on 10/6. 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.
Wed 10/296:55 amMIA - SAT
1 stop7h 40mSouthwest
Wed 11/55:45 amSAT - MIA
1 stop9h 25mSouthwest
Deal found 10/6$189
This Southwest deal was found by Cheapflights users on 10/6. 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 11/76:00 amMIA - SAT
1 stop7h 30mSouthwest
Mon 11/1012:10 pmSAT - MIA
2 stops10h 35mSouthwest
Deal found 10/6$190
This American Airlines deal was found by Cheapflights users on 10/6. 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 12/59:35 pmMIA - SAT
Nonstop3h 24mAmerican Airlines
Fri 2/65:10 pmSAT - MIA
Nonstop2h 50mAmerican Airlines
Deal found 10/6$193
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 10/233:30 pmMIA - SAT
Nonstop3h 12mAmerican Airlines
Tue 11/45:23 amSAT - MIA
Nonstop2h 46mAmerican Airlines
Deal found 10/5$195
This Frontier deal was found by Cheapflights users on 10/6. 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.
Sat 11/86:00 amMIA - SAT
1 stop9h 17mFrontier
Mon 11/105:35 pmSAT - MIA
1 stop5h 59mFrontier
Deal found 10/6$198
This Southwest deal was found by Cheapflights users on 10/6. 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.
Thu 10/305:00 pmMIA - SAT
1 stop8h 05mSouthwest
Tue 11/43:05 pmSAT - MIA
1 stop5h 45mSouthwest
Deal found 10/6$199
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 10/237:42 pmMIA - SAT
Nonstop3h 16mAmerican Airlines
Sun 10/265:30 amSAT - MIA
Nonstop2h 45mAmerican Airlines
Deal found 10/5$204

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 October 7, 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 12/12

6:00 am-12:30 pm

1 stop7h 30m

San Antonio

Tue 12/16

12:45 pm-7:50 pm

1 stop6h 05m

$179

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 12/4

1:05 pm-7:50 pm

1 stop7h 45m

San Antonio

Sun 12/7

6:05 pm-11:25 pm

1 stop4h 20m

$179

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 12/11

1:30 pm-9:10 pm

1 stop8h 40m

San Antonio

Tue 12/16

12:45 pm-7:50 pm

1 stop6h 05m

$179

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 11/4

1:05 pm-9:55 pm

2 stops9h 50m

San Antonio

Tue 11/11

12:45 pm-7:50 pm

1 stop6h 05m

$184

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 10/29

6:55 am-1:35 pm

1 stop7h 40m

San Antonio

Wed 11/5

5:45 am-4:10 pm

1 stop9h 25m

$189

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 10/30

5:00 pm-12:05 am

1 stop8h 05m

San Antonio

Tue 11/4

3:05 pm-9:50 pm

1 stop5h 45m

$199

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 10/31

6:15 pm-12:20 am

1 stop7h 05m

San Antonio

Sun 11/2

6:21 pm-12:29 am

1 stop5h 08m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 11/7

7:10 am-1:28 pm

1 stop7h 18m

San Antonio

Sun 11/9

6:22 pm-12:46 am

1 stop5h 24m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 12/10

2:37 pm-9:19 pm

1 stop7h 42m

San Antonio

Mon 12/15

4:52 pm-12:46 am

1 stop6h 54m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 12/11

9:35 pm-11:59 pm

Nonstop3h 24m

San Antonio

Tue 12/16

5:20 am-9:09 am

Nonstop2h 49m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/5

Showing 1-10 of 18 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 October 7, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 42% on flights from Florida Keys to San Antonio by exploring options for tickets in the evening.

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 October 7, 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
4,233 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,957 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,041 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,080 reviews
Southwest
8.0
Very good
4,233 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Florida Keys to San Antonio?

    For as low as $179, Southwest can have you in San Antonio from Florida Keys in 7h 30m. The distance between Florida Keys and San Antonio is about 1140 mi.

  • 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.

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
Kerrville

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Alternative routes for Florida Keys to San Antonio

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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 October 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$371FlexibilityNo cancel feeOn-time71%

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