San Antonio

$66+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAT
Mar 13 — Mar 201
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Cheap 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 February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:09 pm
MIA
-
SAT
1 stop22h 06m
Multiple Airlines
Mon 3/25:08 pm
SAT
-
MIA
1 stop18h 08m
Multiple Airlines
Deal found 2/7$150
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:50 am
MIA
-
SAT
1 stop31h 29m
Frontier
Sat 5/163:34 pm
SAT
-
MIA
1 stop12h 31m
Frontier
Deal found 2/10$155
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:09 pm
MIA
-
SAT
1 stop22h 10m
Multiple Airlines
Tue 3/310:26 am
SAT
-
MIA
2 stops13h 16m
Multiple Airlines
Deal found 2/9$159
This American Airlines deal was found by Cheapflights users on 2/9. 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 5/68:59 pm
MIA
-
SAT
Nonstop3h 16m
American Airlines
Wed 5/135:25 am
SAT
-
MIA
Nonstop2h 49m
American Airlines
Deal found 2/9$179
This Frontier deal was found by Cheapflights users on 2/10. 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.
Fri 4/105:05 am
MIA
-
SAT
1 stop13h 00m
Frontier
Mon 4/136:00 pm
SAT
-
MIA
1 stop5h 49m
Frontier
Deal found 2/10$180
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:50 am
MIA
-
SAT
1 stop19h 27m
Multiple Airlines
Wed 3/116:00 am
SAT
-
MIA
2 stops17h 47m
Multiple Airlines
Deal found 2/10$188
This CheapOair deal was found by Cheapflights users on 2/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
MIA
-
SAT
1 stop18h 19m
Frontier
Sun 4/126:45 am
SAT
-
MIA
1 stop22h 04m
Frontier
Deal found 2/10$191
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:05 am
MIA
-
SAT
1 stop9h 00m
Multiple Airlines
Mon 4/66:00 pm
SAT
-
MIA
1 stop25h 07m
Multiple Airlines
Deal found 2/7$193
This Southwest deal was found by Cheapflights users on 2/9. 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 3/315:35 pm
MIA
-
SAT
1 stop5h 15m
Southwest
Sun 4/512:50 pm
SAT
-
MIA
1 stop4h 10m
Southwest
Deal found 2/9$197
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/259:34 pm
MIA
-
SAT
Nonstop3h 25m
American Airlines
Wed 4/15:00 am
SAT
-
MIA
Nonstop2h 51m
American Airlines
Deal found 2/8$200
This Frontier deal was found by Cheapflights users on 2/8. 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.
Thu 2/196:45 am
MIA
-
SAT
1 stop13h 45m
Frontier
Sun 2/225:04 pm
SAT
-
MIA
1 stop6h 38m
Frontier
Deal found 2/8$201

Find 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 February 11, 2026.

Round-trip from

$139
(Frontier)

One-way from

$66
(Kiwi.com)
From Florida Keys to San Antonio
One-way flight from Florida Keys to San Antonio

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 February 11, 2026.
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

Sat 3/7

5:50 am-12:17 am

1 stop19h 27m

San Antonio

Tue 3/10

10:26 am-12:47 am

2 stops13h 21m

$188

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 2/26

7:09 pm-4:15 pm

1 stop22h 06m

San Antonio

Mon 3/2

8:22 pm-12:16 pm

2 stops14h 54m

$188

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 3/7

5:50 am-12:17 am

1 stop19h 27m

San Antonio

Wed 3/11

6:00 am-12:47 am

2 stops17h 47m

$188

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sun 3/1

6:45 am-6:22 pm

1 stop12h 37m

San Antonio

Tue 3/31

6:45 am-5:38 am

1 stop21h 53m

$191

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 5/7

5:50 am-2:19 pm

1 stop9h 29m

San Antonio

Thu 5/14

3:14 pm-5:05 am

1 stop12h 51m

$201

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 3/3

7:05 am-11:59 pm

2 stops17h 54m

San Antonio

Wed 3/4

10:26 am-12:16 pm

2 stops24h 50m

$206

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 3/3

12:55 pm-11:05 pm

1 stop11h 10m

San Antonio

Wed 3/4

12:25 pm-6:35 pm

1 stop5h 10m

$210

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 3/25

6:00 am-11:29 am

1 stop6h 29m

San Antonio

Wed 4/1

5:30 pm-12:52 am

1 stop6h 22m

$219

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 4/23

5:50 am-2:19 pm

1 stop9h 29m

San Antonio

Mon 4/27

3:14 pm-12:49 am

2 stops32h 35m

$233

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 3/4

6:25 am-5:15 pm

1 stop11h 50m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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
No data available for this route at this time. Please check back soon.

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 February 11, 2026.
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.

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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 $191, Frontier can have you in San Antonio from Florida Keys in 12h 37m. The distance between Florida Keys and San Antonio is about 1140 mi.

  • 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 $59 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $91 and Southwest from $99 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.

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

See prices for flight routes from nearby airports that may be better suited for you.

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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$371FlexibilityNo cancel feeOn-time71%

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