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San Antonio

$74+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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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 December 18, 2025.

This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 amMIA - SAT
1 stop12h 31mFrontier
Mon 1/55:56 pmSAT - MIA
1 stop5h 55mFrontier
Deal found 12/16$224
This eDestinos deal was found by Cheapflights users on 12/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:19 pmMIA - SAT
2 stops44h 57mFrontier
Mon 1/55:56 pmSAT - MIA
1 stop23h 15mFrontier
Deal found 12/17$273
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/247:05 amMIA - SAT
2 stops27h 18mMultiple Airlines
Wed 12/315:56 pmSAT - MIA
1 stop18h 10mMultiple Airlines
Deal found 12/17$325
This Frontier deal was found by Cheapflights users on 12/16. 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 12/195:30 amMIA - SAT
1 stop12h 31mFrontier
Mon 12/222:01 pmSAT - MIA
1 stop14h 34mFrontier
Deal found 12/16$338
This Super.com deal was found by Cheapflights users on 12/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:05 amMIA - SAT
1 stop19h 12mFrontier
Mon 1/55:56 pmSAT - MIA
1 stop5h 55mFrontier
Deal found 12/16$339
This Frontier deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:30 amMIA - SAT
1 stop12h 31mFrontier
Sun 1/42:01 pmSAT - MIA
1 stop14h 34mFrontier
Deal found 12/17$347
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 amMIA - SAT
1 stop12h 31mFrontier
Tue 12/232:01 pmSAT - MIA
1 stop14h 34mFrontier
Deal found 12/16$363
This Travelocity deal was found by Cheapflights users on 12/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 amMIA - SAT
1 stop12h 31mFrontier
Sun 12/286:45 amSAT - MIA
1 stop21h 15mFrontier
Deal found 12/15$368
This Orbitz deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:05 amMIA - SAT
1 stop19h 12mFrontier
Sun 12/282:01 pmSAT - MIA
1 stop14h 34mFrontier
Deal found 12/17$388

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 December 18, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$74
(Trip.com)
From Florida Keys to San Antonio
Search Deals
One-way flight from Florida Keys to San Antonio
Search Deals

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 December 18, 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

Tue 1/20

9:31 pm-11:59 pm

Nonstop3h 28m

San Antonio

Sat 1/24

5:10 am-8:58 am

Nonstop2h 48m

$179

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 2/19

8:55 pm-11:25 pm

Nonstop3h 30m

San Antonio

Sun 2/22

5:20 am-9:13 am

Nonstop2h 53m

$179

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 2/12

8:55 pm-11:25 pm

Nonstop3h 30m

San Antonio

Sun 2/15

5:20 am-9:13 am

Nonstop2h 53m

$179

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 1/31

9:31 pm-11:59 pm

Nonstop3h 28m

San Antonio

Sat 2/7

5:10 am-8:58 am

Nonstop2h 48m

$180

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 2/20

6:10 am-1:00 pm

1 stop7h 50m

San Antonio

Mon 2/23

4:25 pm-9:55 pm

1 stop4h 30m

$199

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 2/20

7:05 am-1:40 pm

1 stop7h 35m

San Antonio

Sun 2/22

5:20 pm-11:00 pm

1 stop4h 40m

$199

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 1/21

5:50 am-12:45 pm

1 stop7h 55m

San Antonio

Sat 1/24

12:38 pm-11:20 pm

1 stop9h 42m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 1/22

3:25 pm-10:28 pm

1 stop8h 03m

San Antonio

Sat 1/24

12:38 pm-11:20 pm

1 stop9h 42m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 1/31

7:15 am-12:45 pm

1 stop6h 30m

San Antonio

Sat 2/7

12:38 pm-11:20 pm

1 stop9h 42m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 1/17

5:50 am-12:45 pm

1 stop7h 55m

San Antonio

Sat 1/24

12:38 pm-11:20 pm

1 stop9h 42m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 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 December 18, 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 December 18, 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
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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, American Airlines can have you in San Antonio from Florida Keys in 3h 28m. The distance between Florida Keys and San Antonio is about 1140 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$371FlexibilityNo cancel feeOn-time71%

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