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Key Largo

$102+ Cheap flights from San Francisco (SFO) 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — MIA
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from San Francisco to Key Largo are usually found in January or September, booked 67 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from San Francisco to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 21, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$199
(American Airlines)

One-way from

$102
(Kiwi.com)
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From San Francisco to Key Largo
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One-way flight from San Francisco to Key Largo
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Find flight deals from San Francisco to Key Largo

Cheapest flights from San Francisco to Key Largo
Explore the most affordable flight options available from San Francisco to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

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.
Mon 12/911:59 pmSFO - MIA
Nonstop5h 30mAmerican Airlines
Thu 12/127:23 amMIA - SFO
Nonstop6h 23mAmerican Airlines
Deal found 11/21$199
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/910:59 pmSFO - MIA
1 stop28h 58mMultiple Airlines
Fri 12/139:28 pmMIA - SFO
1 stop23h 32mMultiple Airlines
Deal found 11/20$208
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 12/49:05 amSFO - MIA
1 stop7h 58mUnited Airlines
Wed 12/118:35 amMIA - SFO
Nonstop6h 36mUnited Airlines
Deal found 11/20$213
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:05 amSFO - MIA
1 stop16h 47mFrontier
Fri 12/206:00 amMIA - SFO
1 stop21h 21mFrontier
Deal found 11/20$216
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/812:38 amSFO - MIA
1 stop10h 38mDelta
Thu 12/127:50 amMIA - SFO
1 stop8h 39mDelta
Deal found 11/21$256
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/145:58 pmSFO - MIA
1 stop13h 56mSun Country Air
Tue 12/2411:59 amMIA - SFO
1 stop25h 47mSun Country Air
Deal found 11/20$355
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/249:35 pmSFO - MIA
1 stop15h 47mAlaska Airlines
Tue 12/36:55 pmMIA - SFO
1 stop17h 56mAlaska Airlines
Deal found 11/21$374
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2012:45 pmSFO - MIA
2 stops19h 15mSouthwest
Fri 11/221:05 pmMIA - SFO
2 stops21h 30mSouthwest
Deal found 11/19$406

Find flights from San Francisco to Key Largo within your budget

Customize your flight search to find flights from San Francisco 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sun 2/9

12:23 am-8:52 am

Nonstop5h 29m

Miami

Wed 3/12

7:15 am-10:46 am

Nonstop6h 31m

$199

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Mon 3/3

8:10 pm-5:16 am

1 stop30h 06m

Miami

Wed 3/5

6:25 am-1:33 pm

1 stop10h 08m

$202

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Tue 1/28

3:18 pm-10:13 pm

1 stop27h 55m

Miami

Sat 2/8

7:30 am-12:09 am

3 stops19h 39m

$209

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Wed 12/4

9:05 am-8:03 pm

1 stop7h 58m

Miami

Wed 12/11

8:35 am-12:11 pm

Nonstop6h 36m

$213

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sun 12/8

12:38 am-2:16 pm

1 stop10h 38m

Miami

Thu 12/12

7:50 am-1:29 pm

1 stop8h 39m

$256

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Mon 2/10

6:43 pm-6:15 pm

1 stop20h 32m

Miami

Mon 2/17

7:52 pm-8:52 am

1 stop16h 00m

$257

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sat 12/14

5:58 pm-10:54 am

1 stop13h 56m

Miami

Tue 12/24

11:59 am-10:46 am

1 stop25h 47m

$355

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Mon 1/13

1:15 pm-9:45 pm

Nonstop5h 30m

$103

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sat 1/11

11:59 am-1:35 am

1 stop10h 36m

$104

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sat 1/25

4:19 pm-6:15 pm

1 stop22h 56m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 17 results
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Best time to book a flight from San Francisco to Key Largo

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

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

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

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

To ensure you get the cheapest price possible for a flight from San Francisco to Key Largo, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Key Largo (average of $218). Flying from San Francisco 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 SFO to KE9?

Find hourly flight availability from San Francisco 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 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Key Largo as you normally would.

What is the cheapest day to fly from San Francisco to Key Largo?

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

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

Weekly flight availability from San Francisco to Key Largo

Explore weekly flight availability from San Francisco 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 21, 2024.

The most flights from SFO to KE9 are scheduled on a Wednesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 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 21, 2024.
Peruse reviews from past customers who have flown with American Airlines, Frontier and United Airlines from San Francisco to Key Largo to help guide your decision. 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
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 Francisco to Key Largo?

    If you book a flight to Key Largo from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 26 flights from San Francisco to Key Largo per day from 9 different airlines.

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

    Within the past month, 45 users have taken a look at flights from San Francisco to Key Largo.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $102. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from San Francisco to Key Largo for a low price.

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

    Before booking your flight to Key Largo from San Francisco, check out the most reliable airlines to get you to your destination on time: United Airlines (98%), Air New Zealand (97%), Copa Airlines( 96%).

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

    While on average a flight from San Francisco to Key Largo is generally $1,087, our data shows the cheapest flight currently is $99. When looking at the most popular route, (San Francisco - Miami), you can expect to pay $178 for that flight.

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

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

  • How can I find direct flights from San Francisco 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 Francisco to Key Largo.

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

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

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Key Largo (average of $218). Flying from San Francisco 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.

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Top 9 airlines flying from San Francisco to Key Largo

Discover the top 9 airlines that operate flights from San Francisco 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$79Average$303FlexibilityNo cancel feeOn-time75%
FrontierCheapest$82Average$278FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$89Average$323FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$104Average$396FlexibilityNo cancel feeOn-time71%
DeltaCheapest$128Average$397FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$145Average$244FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$172Average$457FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$192Average$392FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$296Average$599FlexibilityNo cancel feeOn-time63%
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