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$65+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SAT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Key Largo to San Antonio are usually found in September or October, booked 84 days in advance, depart on a Friday or Wednesday and return on a Wednesday

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 November 21, 2024.

Popular in

July

Cheapest in

September

Round-trip from

$193
(FlightHub)

One-way from

$65
(CheapOair)
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 15% potential price drop
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From Key Largo to San Antonio
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One-way flight from Key Largo to San Antonio
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Find flight deals from Key Largo to San Antonio

Cheapest flights from Key Largo to San Antonio
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 November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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.
Fri 12/65:48 amMIA - SAT
2 stops13h 44mSpirit Airlines
Sun 12/81:14 pmSAT - MIA
1 stop16h 43mSpirit Airlines
Deal found 11/19$199
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Wed 12/48:00 amMIA - SAT
1 stop28h 56mMultiple Airlines
Mon 12/91:14 pmSAT - MIA
1 stop16h 43mMultiple Airlines
Deal found 11/20$207
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Sat 12/79:11 pmMIA - SAT
Nonstop3h 25mAmerican Airlines
Mon 12/95:27 amSAT - MIA
Nonstop2h 47mAmerican Airlines
Deal found 11/21$234
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:30 amMIA - SAT
1 stop5h 39mDelta
Tue 12/315:20 amSAT - MIA
1 stop8h 04mDelta
Deal found 11/19$277
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:25 pmMIA - SAT
2 stops8h 40mSouthwest
Tue 12/316:20 amSAT - MIA
1 stop5h 05mSouthwest
Deal found 11/20$346
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/119:00 amMIA - SAT
2 stops11h 13mUnited Airlines
Sun 12/155:15 amSAT - MIA
1 stop5h 08mUnited Airlines
Deal found 11/20$361

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 1/7

7:03 pm-1:12 pm

1 stop19h 09m

San Antonio

Mon 1/13

1:02 pm-1:52 am

1 stop11h 50m

$193

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Fri 12/6

5:48 am-6:32 pm

2 stops13h 44m

San Antonio

Sun 12/8

1:14 pm-6:57 am

1 stop16h 43m

$199

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Sat 12/7

9:11 pm-11:36 pm

Nonstop3h 25m

San Antonio

Mon 12/9

5:27 am-9:14 am

Nonstop2h 47m

$234

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 12/18

8:30 am-1:09 pm

1 stop5h 39m

San Antonio

Tue 12/31

5:20 am-2:24 pm

1 stop8h 04m

$277

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Mon 3/3

6:42 pm-11:15 pm

1 stop5h 33m

San Antonio

Tue 3/4

12:26 pm-11:59 pm

2 stops10h 33m

$288

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 1/8

1:50 pm-9:40 pm

2 stops8h 50m

San Antonio

Mon 1/13

12:10 pm-8:50 pm

1 stop7h 40m

$328

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Wed 1/29

8:00 am-12:02 pm

1 stop29h 02m

$65

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 2/11

1:55 pm-5:04 am

1 stop16h 09m

$91

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 12/24

7:34 pm-10:03 pm

Nonstop3h 29m

$129

MiamiSan Antonio

MIA - SAT

MIASAT

Miami

Tue 1/21

6:05 pm-12:32 am

1 stop7h 27m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 14 results
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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.
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 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 November 15, 2024.

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 November 21, 2024.

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 November 18, 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 November 21, 2024.

The most flights from KE9 to SAT are scheduled on a Thursday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 November 21, 2024.
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.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

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.

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

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.

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

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.

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

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.

Volaris
6.7
Okay
1,287 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Crew

8.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

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.

  • What airport do you fly into for flights to San Antonio from Key Largo?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from Key Largo to San Antonio. 5 airlines have flights to San Antonio from Key Largo on a regular basis. Booking flights from Key Largo to San Antonio should not be difficult; the airport handles an average of 2 inbound flights from Key Largo per day.

  • What are the cheapest airlines to fly from Key Largo to San Antonio one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $65. Users have also found prices from $91 and $129 on Spirit Airlines and American Airlines, respectively.

  • What are the most reliable airlines from Key Largo to San Antonio?

    The top 3 most reliable airlines when flying from Key Largo to San Antonio are Qatar Airways (84%), American Airlines (84%) and Royal Air Maroc (69%).

  • What are the cheapest flights from Key Largo to San Antonio?

    While on average a flight from Key Largo to San Antonio is generally $299, our data shows the cheapest flight currently is $130. When looking at the most popular route, (Miami - San Antonio), you can expect to pay $178 for that flight.

  • Can I find deals for flights from Key Largo to San Antonio that include hotel bookings?

    Yes. In addition to deals on Key Largo to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to San Antonio.

  • Can I find deals for business class flights from Key Largo to San Antonio?

    Yes. Cheapflights offers flight deals from Key Largo 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 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.

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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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$56Average$150FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$171Average$336FlexibilityNo cancel feeOn-time71%
DeltaCheapest$215Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$399FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$396FlexibilityNo cancel feeOn-time63%
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