$43+ Cheap flights from San Antonio (SAT) to Florida Keys
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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Antonio to Florida Keys with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Florida Keys
Keep the following information in mind while searching for San Antonio to Florida Keys flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $110 (Frontier) |
One-way from | $43 (Cheapflightsfares) |
Popular in | January |
Cheapest in | August |
Average price | $349 |
Find flight deals from San Antonio to Florida Keys
Cheapest flights from San Antonio to Florida KeysExplore the most affordable flight options available from San Antonio to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from San Antonio to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 2/19. 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.
This CheapOair deal was found by Cheapflights users on 2/19. 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.
This American Airlines deal was found by Cheapflights users on 2/18. 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.
This American Airlines deal was found by Cheapflights users on 2/19. 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.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Find flights from San Antonio to Florida Keys within your budget
Customize your flight search to find flights from San Antonio to Florida Keys 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 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Fri 3/14
12:05 pm-3:44 pm
Nonstop2h 39m
Miami
Mon 3/17
4:49 pm-7:11 pm
Nonstop3h 22m
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Tue 4/1
2:18 pm-5:21 am
1 stop14h 03m
Miami
Tue 4/8
6:25 am-1:17 pm
1 stop7h 52m
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 3/5
12:05 pm-3:44 pm
Nonstop2h 39m
Miami
Sat 3/8
2:56 pm-12:55 pm
1 stop22h 59m
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 3/19
5:26 am-9:10 am
Nonstop2h 44m
Miami
Wed 3/26
9:50 pm-12:17 am
Nonstop3h 27m
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sat 5/3
11:56 am-8:11 pm
1 stop7h 15m
Key West
Tue 5/6
5:20 pm-10:17 pm
1 stop5h 57m
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sat 3/1
9:45 am-4:09 pm
1 stop5h 24m
Key West
Wed 3/19
3:59 pm-11:20 pm
1 stop8h 21m
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Thu 4/24
11:40 am-9:18 pm
1 stop8h 38m
Miami
Sat 5/3
6:00 am-11:06 am
1 stop6h 06m
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Mon 4/14
8:15 am-5:17 pm
1 stop8h 02m
Key West
Thu 4/17
3:00 pm-10:05 pm
1 stop8h 05m
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Thu 3/6
11:11 am-4:18 pm
2 stops28h 07m
Key West
Mon 3/10
9:52 am-10:16 am
3 stops25h 24m
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Mon 3/17
12:05 pm-3:44 pm
Nonstop2h 39m
Best time to book a flight from San Antonio to Florida Keys
Have a flexible travel schedule? Discover the best time to fly to Florida Keys from San Antonio with our price prediction graph.
Travel insights for flights from San Antonio to Florida Keys
Get recent, data-driven insights about flights from San Antonio to Florida Keys including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from San Antonio to Florida Keys?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Florida Keys (average of $328). Flying from San Antonio to Florida Keys in March is currently the most expensive (average of $510). 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.
Rainfall in Florida Keys by month
Plan your trip to Florida Keys by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Florida Keys ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Florida Keys when rainfall is around 1.6 in.
Temperature in Florida Keys by month
Plan your trip to Florida Keys by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Florida Keys, 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 68.0 F).
Reviews of airlines servicing Florida Keys
Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from San Antonio to Florida Keys, such as Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Justin,May 2024
AUS - SAN
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Justin,May 2024
AUS - SAN
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Justin,May 2024
AUS - SAN
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Justin,May 2024
AUS - SAN
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Justin,May 2024
AUS - SAN
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Justin,May 2024
AUS - SAN
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio to Florida Keys
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from San Antonio to Florida Keys
Discover the top 2 airlines that operate flights from San Antonio to Florida Keys. 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 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$398 | FlexibilityNo cancel fee | On-timeN/A |