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San Antonio

$76+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAT
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$170
(Kiwi.com)

One-way from

$76
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$313
From Florida Keys to San Antonio
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One-way flight from Florida Keys to San Antonio
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Highest demand for flights based on searches. 25% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1011:10 amMIA - SAT
1 stop6h 23mSpirit Airlines
Sat 7/127:52 pmSAT - MIA
1 stop8h 46mSpirit Airlines
Deal found 6/15$170
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:40 pmMIA - SAT
Nonstop3h 14mAmerican Airlines
Mon 10/204:34 pmSAT - MIA
Nonstop2h 46mAmerican Airlines
Deal found 6/15$179
This Priceline deal was found by Cheapflights users on 6/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/107:00 amMIA - SAT
1 stop12h 36mMultiple Airlines
Sun 7/138:14 pmSAT - MIA
1 stop9h 16mMultiple Airlines
Deal found 6/16$187
This Frontier deal was found by Cheapflights users on 6/14. 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 6/266:00 amMIA - SAT
1 stop14h 14mFrontier
Thu 7/108:14 pmSAT - MIA
1 stop9h 16mFrontier
Deal found 6/14$200
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:05 amMIA - SAT
2 stops8h 25mSouthwest
Wed 10/296:15 amSAT - MIA
2 stops7h 15mSouthwest
Deal found 6/16$205
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:23 pmMIA - SAT
1 stop5h 51mDelta
Tue 7/228:00 amSAT - MIA
1 stop7h 53mDelta
Deal found 6/15$217
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:40 amMIA - SAT
1 stop5h 39mUnited Airlines
Mon 8/254:22 pmSAT - MIA
1 stop4h 53mUnited Airlines
Deal found 6/13$407

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 June 16, 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

Thu 7/10

11:10 am-4:33 pm

1 stop6h 23m

San Antonio

Sat 7/12

7:52 pm-5:38 am

1 stop8h 46m

$170

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 7/10

7:00 am-6:36 pm

1 stop12h 36m

San Antonio

Sun 7/13

8:14 pm-6:30 am

1 stop9h 16m

$187

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 7/11

10:37 pm-12:30 am

Nonstop2h 53m

San Antonio

Tue 7/15

4:43 pm-8:35 pm

Nonstop2h 52m

$194

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 6/26

6:00 am-7:14 pm

1 stop14h 14m

San Antonio

Thu 7/10

8:14 pm-6:30 am

1 stop9h 16m

$200

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 7/15

7:23 pm-12:14 am

1 stop5h 51m

San Antonio

Tue 7/22

8:00 am-4:53 pm

1 stop7h 53m

$217

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 7/15

2:40 pm-10:50 pm

1 stop9h 10m

San Antonio

Sat 7/19

3:50 pm-11:35 pm

1 stop6h 45m

$269

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sun 8/17

8:40 am-1:19 pm

1 stop5h 39m

San Antonio

Mon 8/25

4:22 pm-10:15 pm

1 stop4h 53m

$407

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 7/31

11:10 am-4:33 pm

1 stop6h 23m

$76

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 7/16

2:40 pm-7:20 pm

1 stop5h 40m

$97

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 7/15

6:00 am-6:02 pm

1 stop13h 02m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 14 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 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.

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 June 16, 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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $76 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $97 and Frontier from $106 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 Florida Keys?

Book flights to Florida Keys if you plan to visit one of these locations
New Braunfels

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Alternative routes for Florida Keys to San Antonio

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Top 2 airlines flying from Florida Keys to San Antonio

Discover the top 2 airlines 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$323FlexibilityNo cancel feeOn-time71%

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