What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from San Francisco according to our data. American Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Francisco to Florida Keys?

Southwest, United Airlines, and Alaska Airlines are the most popular carriers operating from San Francisco to Florida Keys

How many flights depart from San Francisco to Florida Keys on average per week?

The number of flights available between San Francisco and Florida Keys is 161 per week as of July 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from San Francisco Airport to Florida Keys?

Prices for flights from San Francisco Airport to Florida Keys are refreshed on a daily basis.

How many operators does momondo search for flights from San Francisco Airport to Florida Keys?

The number of operators available for flights from San Francisco Airport to Florida Keys is 6 as of July 2026.

How old do you have to be to fly from San Francisco Airport to Florida Keys?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$174 Cheap Flights from San Francisco to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 6:30 am

SFO

MIA

11h 00m

1 stop

6:30 am - 10:25 am

MIA

SFO

30h 55m

2 stops

$264Frontier

Wed, Aug 12 - Mon, Aug 17

10:35 pm - 1:32 pm

SFO

MIA

11h 57m

1 stop

6:50 am - 10:25 am

MIA

SFO

30h 35m

2 stops

$264Frontier

Mon, Aug 24 - Mon, Aug 31

12:29 am - 2:12 pm

SFO

MIA

10h 43m

1 stop

6:16 pm - 9:37 am

MIA

SFO

18h 21m

1 stop

$275Multiple Airlines

Wed, Sep 2 - Tue, Sep 8

10:05 pm - 10:30 am

SFO

MIA

9h 25m

1 stop

6:18 pm - 8:49 am

MIA

SFO

17h 31m

1 stop

$275Multiple Airlines

Tue, Oct 6 - Tue, Oct 20

7:30 am - 4:21 pm

SFO

MIA

5h 51mnonstop

5:10 pm - 8:18 pm

MIA

SFO

6h 08mnonstop

$277American Airlines

Sat, Aug 22 - Tue, Aug 25

9:54 pm - 6:34 am

SFO

MIA

5h 40mnonstop

7:15 am - 10:18 am

MIA

SFO

6h 03mnonstop

$279American Airlines

Sat, Sep 26 - Sat, Oct 3

10:40 am - 7:26 pm

SFO

MIA

5h 46mnonstop

8:00 am - 11:03 am

MIA

SFO

6h 03mnonstop

$279United Airlines

Sun, Sep 20 - Sat, Sep 26

11:20 pm - 7:50 am

SFO

MIA

5h 30mnonstop

9:15 am - 12:43 pm

MIA

SFO

6h 28mnonstop

$279United Airlines

Fri, Oct 30 - Fri, Nov 6

12:10 pm - 11:18 pm

SFO

MIA

8h 08m

1 stop

2:28 pm - 8:32 pm

MIA

SFO

9h 04m

1 stop

$299Delta

Thu, Nov 26 - Wed, Dec 2

12:10 pm - 11:18 pm

SFO

MIA

8h 08m

1 stop

11:34 am - 5:11 pm

MIA

SFO

8h 37m

1 stop

$299Delta

Thu, Nov 26 - Thu, Dec 3

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Frontier flights from San Francisco to Florida Keys

Our best Frontier deals on San Francisco to Florida Keys flight tickets

Frontier

Aug 12

SFO4:30 pmSan Francisco

11h 00m

1 stop

MIA6:30 amMiami

Aug 17

MIA6:30 amMiami

30h 55m

2 stops

SFO10:25 amSan Francisco

$264

Frontier

Oct 5

SFO10:05 pmSan Francisco

9h 25m

1 stop

MIA10:30 amMiami

Oct 10

MIA7:20 amMiami

19h 55m

1 stop

SFO12:15 amSan Francisco

$265

Frontier

Sep 7

SFO6:00 amSan Francisco

19h 52m

1 stop

MIA4:52 amMiami

Sep 11

MIA11:25 amMiami

30h 04m

2 stops

SFO2:29 pmSan Francisco

$266

American Airlines flights from San Francisco to Florida Keys

Our best American Airlines deals on San Francisco to Florida Keys flight tickets

American Airlines

Aug 22

SFO7:30 amSan Francisco

5h 51m

MIA4:21 pmMiami

Aug 25

MIA5:10 pmMiami

6h 08m

SFO8:18 pmSan Francisco

$277

American Airlines

Aug 10

SFO7:30 amSan Francisco

5h 51m

MIA4:21 pmMiami

Aug 18

MIA8:43 pmMiami

6h 10m

SFO11:53 pmSan Francisco

$279

American Airlines

Sep 9

SFO9:35 amSan Francisco

5h 49m

MIA6:24 pmMiami

Sep 16

MIA8:52 pmMiami

6h 07m

SFO11:59 pmSan Francisco

$280

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Wed 8/12

4:30 pm-6:30 am

1 stop11h 00m

Miami

Mon 8/17

6:30 am-10:25 am

2 stops30h 55m

$264

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Mon 8/24

10:35 pm-1:32 pm

1 stop11h 57m

Miami

Mon 8/31

6:50 am-10:25 am

2 stops30h 35m

$264

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Wed 9/2

12:29 am-2:12 pm

1 stop10h 43m

Miami

Tue 9/8

6:16 pm-9:37 am

1 stop18h 21m

$275

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Tue 10/6

10:05 pm-10:30 am

1 stop9h 25m

Miami

Tue 10/20

6:18 pm-8:49 am

1 stop17h 31m

$275

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sat 8/22

7:30 am-4:21 pm

Nonstop5h 51m

Miami

Tue 8/25

5:10 pm-8:18 pm

Nonstop6h 08m

$277

Quickest round-trip

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sat 9/26

9:54 pm-6:34 am

Nonstop5h 40m

Miami

Sat 10/3

7:15 am-10:18 am

Nonstop6h 03m

$279

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sun 9/20

10:40 am-7:26 pm

Nonstop5h 46m

Miami

Sat 9/26

8:00 am-11:03 am

Nonstop6h 03m

$279

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Fri 10/30

11:20 pm-7:50 am

Nonstop5h 30m

Miami

Fri 11/6

9:15 am-12:43 pm

Nonstop6h 28m

$279

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Thu 11/26

12:10 pm-11:18 pm

1 stop8h 08m

Miami

Wed 12/2

2:28 pm-8:32 pm

1 stop9h 04m

$299

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Thu 11/26

12:10 pm-11:18 pm

1 stop8h 08m

Miami

Thu 12/3

11:34 am-5:11 pm

1 stop8h 37m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from San Francisco averaging around $352.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from San Francisco to Florida Keys is on a Wednesday when prices can be found for as low as $510. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $594.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the morning. momondo users have found flights departing from San Francisco to Florida Keys in the morning for as low as $507. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $614.

How far in advance should I book a flight from San Francisco to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from San Francisco for as low as $344 on momondo.

Can stopping save me money on San Francisco to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Florida Keys.

Cheap San Francisco to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Florida Keys

Fastest flight time	5h 19m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from San Francisco to Florida Keys takes 5h 19m

Direct flights go from San Francisco to Florida Keys every day.

There are 3 airports in Florida Keys. From San Francisco there are direct flights to Miami (MIA).

Search flight deals

Frequently asked questions about flying from San Francisco to Florida Keys

When did momondo last update prices for flights from San Francisco Airport to Florida Keys?
Prices for flights from San Francisco Airport to Florida Keys are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Florida Keys?
The number of operators available for flights from San Francisco Airport to Florida Keys is 6 as of July 2026.
How old do you have to be to fly from San Francisco Airport to Florida Keys?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Florida Keys?
Based on momondo bookings for flights between San Francisco and Florida Keys, the leading plane model is Boeing 777, making up 9.75% of the total bookings. Other popular models include Boeing 737 MAX 8 with 8.87%, Boeing 777-300ER with 8.43%, and Boeing 787-9 Dreamliner with 6.85%.

Best airlines flying from San Francisco to Florida Keys

Compare and see reviews for airlines that fly from San Francisco to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $258	Free Cancellation	Rating 7.8 8,486 reviews	Search Delta flights
American Airlines	PriceFrom $304	Free Cancellation	Rating 7.1 11,839 reviews	Search American Airlines flights
United Airlines	PriceFrom $390	Free Cancellation	Rating 7.4 10,052 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Florida Keys?

It is quick and easy to find San Francisco to Florida Keys flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Florida Keys that suits you.

Can I find flights from San Francisco to Florida Keys with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Francisco to Florida Keys flights to just show those with flexible booking policies.

How can momondo help me find flights from San Francisco to Florida Keys?

Once you have performed a search for San Francisco to Florida Keys flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco to Florida Keys right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Florida Keys now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Florida Keys and let you know when they change.