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 55 per week as of December 2025. The most frequent departure day is Tue, with 42% of weekly flights leaving on this day.

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 70% 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?

Delta, United Airlines, and American Airlines are the most popular carriers operating 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 8 as of December 2025.

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.

$129 Cheap Flights from San Francisco to Florida Keys in 2025/26

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:43 am - 1:48 pm

SFO

MIA

10h 05m1 stop

6:35 pm - 1:28 am

MIA

SFO

9h 53m1 stop

$251United Airlines

Tue, Feb 17 - Wed, Feb 18

11:20 pm - 10:58 am

SFO

MIA

8h 38m1 stop

5:20 am - 7:53 am

MIA

SFO

29h 33m2 stops

$252Frontier

Thu, Jan 1 - Wed, Jan 7

10:58 pm - 10:28 am

SFO

MIA

8h 30m1 stop

7:05 am - 9:55 pm

MIA

SFO

17h 50m1 stop

$253Multiple Airlines

Fri, Feb 20 - Sat, Feb 28

7:00 am - 5:12 pm

SFO

MIA

7h 12m1 stop

5:47 pm - 12:28 am

MIA

SFO

9h 41m1 stop

$254Frontier

Wed, Jan 28 - Thu, Jan 29

8:30 am - 5:06 pm

SFO

MIA

5h 36mnonstop

1:05 pm - 7:00 pm

MIA

SFO

8h 55m1 stop

$255United Airlines

Mon, Jan 12 - Wed, Jan 14

11:55 am - 11:56 am

SFO

MIA

21h 01m2 stops

5:15 am - 1:24 pm

MIA

SFO

11h 09m1 stop

$256Multiple Airlines

Fri, Jan 16 - Sun, Jan 18

2:05 pm - 12:51 am

SFO

MIA

7h 46m1 stop

5:50 am - 12:59 pm

MIA

SFO

10h 09m1 stop

$257Delta

Tue, Jan 6 - Sat, Jan 10

6:00 am - 5:11 pm

SFO

EYW

8h 11m1 stop

7:10 am - 12:55 pm

EYW

SFO

8h 45m1 stop

$258Delta

Tue, Jan 20 - Thu, Jan 29

7:00 am - 6:01 pm

SFO

EYW

8h 01m1 stop

4:37 pm - 11:36 pm

EYW

SFO

9h 59m1 stop

$259American Airlines

Fri, Jan 9 - Mon, Jan 12

8:00 am - 4:23 pm

SFO

MIA

5h 23mnonstop

5:49 pm - 9:26 pm

MIA

SFO

6h 37mnonstop

$260American Airlines

Thu, Jan 8 - Wed, Jan 14

Alaska Airlines flights from San Francisco to Florida Keys

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

Alaska Airlines

Feb 7

SFO2:30 pmSan Francisco

24h 04m

1 stop

MIA5:34 pmMiami

Feb 20

MIA4:44 pmMiami

10h 00m

1 stop

SFO11:44 pmSan Francisco

$264

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Alaska Airlines

Mar 31

SFO9:35 pmSan Francisco

15h 19m

1 stop

MIA3:54 pmMiami

Apr 6

MIA5:55 pmMiami

19h 36m

1 stop

SFO10:31 amSan Francisco

$293

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United Airlines flights from San Francisco to Florida Keys

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

United Airlines

Feb 17

SFO12:43 amSan Francisco

10h 05m

1 stop

MIA1:48 pmMiami

Feb 18

MIA6:35 pmMiami

9h 53m

1 stop

SFO1:28 amSan Francisco

$251

Find similar

United Airlines

Jan 12

SFO8:30 amSan Francisco

5h 36m

MIA5:06 pmMiami

Jan 14

MIA1:05 pmMiami

8h 55m

1 stop

SFO7:00 pmSan Francisco

$255

Find similar

United Airlines

Mar 11

SFO11:00 pmSan Francisco

5h 27m

MIA7:27 amMiami

Mar 21

MIA7:23 amMiami

6h 36m

SFO10:59 amSan Francisco

$259

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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

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Tue 2/17

12:43 am-1:48 pm

1 stop10h 05m

Miami

Wed 2/18

6:35 pm-1:28 am

1 stop9h 53m

$251

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Thu 1/1

11:20 pm-10:58 am

1 stop8h 38m

Miami

Wed 1/7

5:20 am-7:53 am

2 stops29h 33m

$252

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Fri 2/20

10:58 pm-10:28 am

1 stop8h 30m

Miami

Sat 2/28

7:05 am-9:55 pm

1 stop17h 50m

$253

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Wed 1/28

7:00 am-5:12 pm

1 stop7h 12m

Miami

Thu 1/29

5:47 pm-12:28 am

1 stop9h 41m

$254

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Mon 1/12

8:30 am-5:06 pm

Nonstop5h 36m

Miami

Wed 1/14

1:05 pm-7:00 pm

1 stop8h 55m

$255

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Fri 1/16

11:55 am-11:56 am

2 stops21h 01m

Miami

Sun 1/18

5:15 am-1:24 pm

1 stop11h 09m

$256

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Tue 1/6

2:05 pm-12:51 am

1 stop7h 46m

Miami

Sat 1/10

5:50 am-12:59 pm

1 stop10h 09m

$257

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Tue 1/20

6:00 am-5:11 pm

1 stop8h 11m

Key West

Thu 1/29

7:10 am-12:55 pm

1 stop8h 45m

$258

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Fri 1/9

7:00 am-6:01 pm

1 stop8h 01m

Key West

Mon 1/12

4:37 pm-11:36 pm

1 stop9h 59m

$259

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Thu 1/8

8:00 am-4:23 pm

Nonstop5h 23m

Miami

Wed 1/14

5:49 pm-9:26 pm

Nonstop6h 37m

$260

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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 $336.

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 Monday when prices can be found for as low as $415. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $553.

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 afternoon. momondo users have found flights departing from San Francisco to Florida Keys in the afternoon for as low as $335. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $568.

How far in advance should I book a flight 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 $376 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 $340 on momondo.

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

You could potentially save up to 78% on your flight if you consider stops on a San Francisco to Florida Keys flight.

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 23m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from San Francisco to Florida Keys takes 5h 23m

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

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 8 as of December 2025.
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 11.37% of the total bookings. Other popular models include Boeing 737 MAX 8 with 11.22%, Boeing 777-300ER with 9.57%, and Boeing 737-800 with 7.88%.

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
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
United Airlines	PriceFrom $287	Free Cancellation	Rating 7.4 9,092 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.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $48

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $40

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

Cheap flights from San Francisco to Florida Keys from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Florida Keys departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from San Francisco to Florida Keys

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Alaska Airlines flights from San Francisco to Florida Keys

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

United Airlines flights from San Francisco to Florida Keys

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

momondo Fare Finder

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

See travel insights to Florida Keys from

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

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 $336.

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 Monday when prices can be found for as low as $415. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $553.

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

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

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

You could potentially save up to 78% on your flight if you consider stops on a San Francisco to Florida Keys flight.

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

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

What airlines fly 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 55 per week as of December 2025. The most frequent departure day is Tue, with 42% of weekly flights leaving on this day.

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

Direct flights

Airports in Florida Keys

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

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

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

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

What is the most popular plane model from San Francisco to Florida Keys?

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

Why use momondo?

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

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

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

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

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo