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$55+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAT
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Round-trip from

$107
(Cheapflightsfares)

One-way from

$55
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$365
From Florida Keys to San Antonio
Search Deals
One-way flight from Florida Keys to San Antonio
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($137 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 February 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 February 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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 3/144:49 pmMIA - SAT
Nonstop3h 22mSpirit Airlines
Mon 3/1712:05 pmSAT - MIA
Nonstop2h 39mSpirit Airlines
Deal found 2/22$107
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/82:56 pmMIA - SAT
1 stop22h 59mMultiple Airlines
Mon 3/1712:05 pmSAT - MIA
Nonstop2h 39mMultiple Airlines
Deal found 2/20$112
This Frontier deal was found by Cheapflights users on 2/20. 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 3/276:25 amMIA - SAT
1 stop7h 53mFrontier
Tue 4/12:18 pmSAT - MIA
1 stop14h 03mFrontier
Deal found 2/20$210
This Delta deal was found by Cheapflights users on 2/20. 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 3/256:10 pmMIA - SAT
1 stop7h 27mDelta
Tue 4/16:30 amSAT - MIA
1 stop10h 20mDelta
Deal found 2/20$219
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/92:25 pmMIA - SAT
Nonstop3h 23mAmerican Airlines
Mon 4/145:18 pmSAT - MIA
Nonstop2h 43mAmerican Airlines
Deal found 2/22$239
This Southwest deal was found by Cheapflights users on 2/22. 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 3/276:45 amMIA - SAT
1 stop11h 20mSouthwest
Sun 3/305:15 amSAT - MIA
2 stops9h 20mSouthwest
Deal found 2/22$371
This United deal was found by Cheapflights users on 2/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/910:14 amMIA - SAT
2 stops12h 27mUnited Airlines
Mon 4/144:16 pmSAT - MIA
1 stop5h 21mUnited Airlines
Deal found 2/22$402

Find flights from Florida Keys to San Antonio within your budget

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 22, 2025.

Fly from

Florida Keys

Fly to

San Antonio

Route

Depart

Return

Price

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 3/14

4:49 pm-7:11 pm

Nonstop3h 22m

San Antonio

Mon 3/17

12:05 pm-3:44 pm

Nonstop2h 39m

$107

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 3/8

2:56 pm-12:55 pm

1 stop22h 59m

San Antonio

Mon 3/17

12:05 pm-3:44 pm

Nonstop2h 39m

$112

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 3/26

9:50 pm-12:17 am

Nonstop3h 27m

San Antonio

Tue 4/1

4:23 pm-8:05 pm

Nonstop2h 42m

$199

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 3/27

6:25 am-1:18 pm

1 stop7h 53m

San Antonio

Tue 4/1

2:18 pm-5:21 am

1 stop14h 03m

$210

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 3/25

6:10 pm-12:37 am

1 stop7h 27m

San Antonio

Tue 4/1

6:30 am-5:50 pm

1 stop10h 20m

$219

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Thu 3/27

6:45 am-5:05 pm

1 stop11h 20m

San Antonio

Sun 3/30

5:15 am-3:35 pm

2 stops9h 20m

$371

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Mon 3/24

4:48 pm-9:42 pm

1 stop5h 54m

San Antonio

Wed 3/26

9:37 am-3:41 pm

1 stop5h 04m

$393

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 4/8

6:25 am-1:54 pm

1 stop8h 29m

$55

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 3/8

4:49 pm-7:11 pm

Nonstop3h 22m

$63

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 4/1

9:50 pm-12:17 am

Nonstop3h 27m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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.

Travel insights for flights from Florida Keys to San Antonio

Get recent, data-driven insights about flights from Florida Keys to San Antonio including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $55 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $63 and American Airlines from $149 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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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$197Average$323FlexibilityNo cancel feeOn-time71%
DeltaCheapest$323Average$403FlexibilityNo cancel feeOn-timeN/A
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