Key Largo

$66+ Cheap flights from San Antonio (SAT) to Key Largo, FL

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MIA
Nov 25 — Dec 21
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The best prices from San Antonio to Key Largo are usually found in August or May, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from San Antonio to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Key Largo (KE9). 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 20, 2024.

Popular in

June

Cheapest in

August

Round-trip from

$208
(CheapOair)

One-way from

$66
(Trip.com)
High demand for flights, 16% potential price rise
Best time to find cheap flights, 14% potential price drop
From San Antonio to Key Largo
One-way flight from San Antonio to Key Largo

Find flight deals from San Antonio to Key Largo

Cheapest flights from San Antonio to Key Largo
Explore the most affordable flight options available from San Antonio to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:02 pmSAT - MIA
1 stop11h 50mFrontier
Wed 12/118:00 amMIA - SAT
1 stop28h 56mFrontier
Deal found 11/19$208
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 12/67:37 pmSAT - MIA
2 stops24h 53mSpirit Airlines
Sun 12/85:48 amMIA - SAT
2 stops13h 44mSpirit Airlines
Deal found 11/19$221
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/151:14 pmSAT - MIA
1 stop16h 43mMultiple Airlines
Fri 12/206:00 amMIA - SAT
1 stop8h 38mMultiple Airlines
Deal found 11/19$258
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/112:13 pmSAT - MIA
1 stop6h 45mUnited Airlines
Sat 12/141:00 pmMIA - SAT
1 stop5h 42mUnited Airlines
Deal found 11/19$292
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/152:34 pmSAT - MIA
1 stop8h 02mAmerican Airlines
Fri 1/179:47 pmMIA - SAT
Nonstop3h 26mAmerican Airlines
Deal found 11/19$317
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 12/181:05 pmSAT - MIA
1 stop9h 23mDelta
Thu 12/267:45 pmMIA - SAT
1 stop5h 53mDelta
Deal found 11/19$363
This Southwest deal was found by Cheapflights users on 11/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:45 amSAT - MIA
1 stop9h 20mSouthwest
Sun 12/86:35 amMIA - SAT
1 stop10h 10mSouthwest
Deal found 11/18$398

Find flights from San Antonio to Key Largo within your budget

Customize your flight search to find flights from San Antonio to Key Largo 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 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Thu 12/5

1:02 pm-1:52 am

1 stop11h 50m

Miami

Wed 12/11

8:00 am-11:56 am

1 stop28h 56m

$208

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Thu 2/13

2:18 pm-5:16 am

1 stop13h 58m

Miami

Wed 2/19

8:20 pm-5:04 am

1 stop9h 44m

$211

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Fri 12/6

7:37 pm-9:30 pm

2 stops24h 53m

Miami

Sun 12/8

5:48 am-6:32 pm

2 stops13h 44m

$221

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Thu 2/20

5:26 pm-9:01 pm

Nonstop2h 35m

Miami

Wed 2/26

9:35 pm-11:57 pm

Nonstop3h 22m

$264

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Tue 1/14

5:55 pm-12:51 am

1 stop5h 56m

Miami

Tue 1/28

6:00 am-12:54 pm

1 stop7h 54m

$276

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Wed 12/11

2:13 pm-9:58 pm

1 stop6h 45m

Miami

Sat 12/14

1:00 pm-5:42 pm

1 stop5h 42m

$292

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Sat 12/7

5:45 am-4:05 pm

1 stop9h 20m

Miami

Sun 12/8

6:35 am-3:45 pm

1 stop10h 10m

$398

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Mon 1/13

1:02 pm-1:52 am

1 stop11h 50m

$66

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Fri 12/6

7:37 pm-9:30 pm

2 stops24h 53m

$81

San AntonioMiami

SAT - MIA

SATMIA

San Antonio

Tue 12/31

5:08 am-8:55 am

Nonstop2h 47m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results
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Best time to book a flight from San Antonio to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from San Antonio 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 San Antonio to Key Largo

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

How far ahead should I book a flight from San Antonio to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Key Largo. Price data was last updated on November 15, 2024.

The price you pay for your flight from San Antonio to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Antonio to Key Largo?

Currently, September is the cheapest month in which you can book a flight from San Antonio to Key Largo (average of $218). Flying from San Antonio to Key Largo in March is currently the most expensive (average of $286). 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 SAT to KE9?

Find hourly flight availability from San Antonio to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from San Antonio to Key Largo, 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 San Antonio to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Key Largo. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their San Antonio to Key Largo flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Antonio to Key Largo

Explore weekly flight availability from San Antonio to Key Largo. 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 20, 2024.

The most flights from SAT to KE9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo 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 Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, 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 Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated November 20, 2024.
Read through reviews of airlines operating flights from San Antonio to Key Largo, such as American Airlines, Southwest and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.1
Very good
5,014 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
8,756 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
9,171 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.2
Good
10,000 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

6.7
Okay
1,287 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Key Largo. 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 from for flights from San Antonio to Key Largo?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Key Largo. On average, San Antonio has 2 outbound flights to Key Largo per day from 6 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How popular is this San Antonio to Key Largo flight route?

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

    One-way options have recently been found by users for as low as $66 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $81 and American Airlines from $129 one-way.

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

    Consider Royal Air Maroc (100%), Qatar Airways (84%) or American Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from San Antonio to Key Largo.

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

    Looking for the cheapest flight from San Antonio to Key Largo? While on average our users pay $623, our data indicates the cheapest price to be $144. The most popular route (San Antonio - Miami), is priced around $198.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Key Largo 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 San Antonio to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Key Largo (average of $218). Flying from San Antonio to Key Largo in March is currently the most expensive (average of $286). 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

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Alternative routes for San Antonio to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Antonio to Key Largo

Discover the top 6 airlines that operate flights from San Antonio to Key Largo. 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 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$56Average$150FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$258FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$180Average$391FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$243Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$386Average$496FlexibilityNo cancel feeOn-time63%
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