$48+ Cheap flights from Key Largo, FL 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Key Largo to San Antonio 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.The best prices from Key Largo to San Antonio are usually found in September or August, booked 84 days in advance, depart on a Friday or Wednesday and return on a Saturday
Cheap flight deals from Key Largo to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.
Round-trip from | $99 (CheapOair) |
|---|---|
One-way from | $48 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $340 |
Find flight deals from Key Largo to San Antonio
Cheapest flights from Key Largo to San AntonioExplore the most affordable flight options available from Key Largo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from Key Largo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair 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 1/20. 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.
This CheapOair deal was found by Cheapflights users on 1/21. 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 1/21. 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 Southwest deal was found by Cheapflights users on 1/21. 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.
This Delta deal was found by Cheapflights users on 1/20. 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.
Find flights from Key Largo to San Antonio within your budget
Customize your flight search to find flights from Key Largo 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 January 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Wed 3/5
4:53 pm-7:19 pm
Nonstop3h 26m
San Antonio
Wed 3/12
11:58 am-3:48 pm
Nonstop2h 50m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Thu 2/6
6:00 am-12:02 pm
1 stop31h 02m
San Antonio
Mon 2/10
1:02 pm-1:54 am
1 stop11h 52m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Thu 2/20
2:20 pm-1:27 pm
1 stop24h 07m
San Antonio
Thu 2/27
2:18 pm-5:16 am
1 stop13h 58m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Thu 2/20
9:35 pm-11:56 pm
Nonstop3h 21m
San Antonio
Thu 2/27
5:26 pm-9:01 pm
Nonstop2h 35m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Thu 2/20
6:25 pm-11:00 pm
1 stop5h 35m
San Antonio
Thu 2/27
12:15 pm-10:00 pm
2 stops8h 45m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Wed 3/26
10:25 am-6:00 pm
1 stop8h 35m
San Antonio
Sat 3/29
6:26 pm-12:45 am
1 stop5h 19m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Wed 3/5
4:53 pm-7:19 pm
Nonstop3h 26m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Thu 3/6
6:25 am-1:18 pm
1 stop7h 53m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Wed 4/9
9:19 pm-11:26 pm
Nonstop3h 07m
MiamiSan Antonio
MIA - SAT
MIASAT
Miami
Wed 2/19
6:05 pm-12:27 am
1 stop7h 22m
Best time to book a flight from Key Largo to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Key Largo with our price prediction graph.
Travel insights for flights from Key Largo to San Antonio
Get recent, data-driven insights about flights from Key Largo to San Antonio including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Key Largo to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Key Largo to San Antonio. Price data was last updated on January 17, 2025.
Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Key Largo to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Key Largo to San Antonio (average of $295). Flying from Key Largo 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 KE9 to SAT?
Find hourly flight availability from Key Largo 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 January 21, 2025.
When flying from Key Largo to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What is the cheapest day to fly from Key Largo to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Key Largo to San Antonio. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Key Largo to San Antonio flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Key Largo to San Antonio
Explore weekly flight availability from Key Largo to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.
The most flights from KE9 to SAT are scheduled on a Tuesday (3 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
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 January 21, 2025.
To help decide which airline to fly from Key Largo to San Antonio, see what other customers have to say about Spirit Airlines, American 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.
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Related info for your journey
Find useful and relevant information for your journey from Key Largo to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Key Largo?
Book flights to Key Largo if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Key Largo to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Key Largo to San Antonio
Discover the top 5 airlines that operate flights from Key Largo 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 January 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$162 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$172 | Average$340 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$215 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$406 | FlexibilityNo cancel fee | On-time63% |