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 154 per week as of April 2026. The most frequent departure day is Wed, with 16% 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 73% 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, Southwest, and United 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 6 as of April 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.

$143 Cheap Flights from San Francisco to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:38 pm - 10:12 am

SFO

MIA

8h 34m

1 stop

5:35 pm - 5:34 pm

MIA

SFO

26h 59m

2 stops

$267Frontier

Fr, Apr 24 - Do, Apr 30

10:15 pm - 1:20 pm

SFO

MIA

12h 05m

1 stop

8:03 pm - 10:38 am

MIA

SFO

17h 35m

2 stops

$268Frontier

Sa, Mai 16 - Sa, Mai 23

11:52 pm - 11:22 am

SFO

MIA

8h 30m

1 stop

9:00 am - 2:53 pm

MIA

SFO

8h 53m

1 stop

$269United Airlines

Fr, Apr 24 - Di, Apr 28

3:11 pm - 7:16 am

SFO

MIA

13h 05m

1 stop

6:00 am - 11:38 am

MIA

SFO

8h 38m

1 stop

$270Frontier

Do, Jun 11 - Mi, Jun 17

11:25 pm - 1:10 pm

SFO

MIA

10h 45m

2 stops

11:40 am - 7:35 pm

MIA

SFO

10h 55m

1 stop

$274Southwest

So, Apr 19 - Do, Apr 23

8:29 am - 5:11 pm

SFO

MIA

5h 42mnonstop

4:20 pm - 12:50 am

MIA

SFO

11h 30m

1 stop

$275United Airlines

Di, Apr 28 - Mi, Mai 6

11:45 pm - 1:09 pm

SFO

EYW

10h 24m

1 stop

3:10 pm - 10:39 pm

EYW

SFO

10h 29m

1 stop

$291Delta

Di, Aug 18 - Sa, Aug 22

6:00 am - 5:14 pm

SFO

EYW

8h 14m

1 stop

1:20 pm - 7:24 pm

EYW

SFO

9h 04m

1 stop

$311Delta

Di, Aug 18 - Sa, Aug 22

12:30 am - 1:21 pm

SFO

EYW

9h 51m

1 stop

2:01 pm - 8:12 pm

EYW

SFO

9h 11m

1 stop

$320American Airlines

So, Apr 26 - Mi, Mai 6

12:30 am - 1:21 pm

SFO

EYW

9h 51m

1 stop

4:20 pm - 11:15 pm

EYW

SFO

9h 55m

1 stop

$322American Airlines

So, Mai 3 - Mi, Mai 13

Frontier flights from San Francisco to Florida Keys

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

Frontier

Apr 24

SFO10:38 pmSan Francisco

8h 34m

1 stop

MIA10:12 amMiami

Apr 30

MIA5:35 pmMiami

26h 59m

2 stops

SFO5:34 pmSan Francisco

$267

Frontier

Apr 19

SFO2:47 pmSan Francisco

13h 35m

1 stop

MIA7:22 amMiami

Apr 21

MIA8:42 amMiami

13h 03m

1 stop

SFO6:45 pmSan Francisco

$268

Frontier

Apr 17

SFO10:38 pmSan Francisco

8h 34m

1 stop

MIA10:12 amMiami

Apr 20

MIA7:00 amMiami

20h 27m

1 stop

SFO12:27 amSan Francisco

$270

Delta flights from San Francisco to Florida Keys

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

Delta

Apr 18

SFO8:00 amSan Francisco

9h 48m

1 stop

MIA8:48 pmMiami

Apr 22

MIA6:42 amMiami

8h 23m

1 stop

SFO12:05 pmSan Francisco

$269

Delta

Jul 31

SFO6:55 pmSan Francisco

9h 10m

1 stop

MIA7:05 amMiami

Aug 6

MIA7:05 pmMiami

7h 40m

1 stop

SFO11:45 pmSan Francisco

$289

Delta

Aug 18

SFO11:45 pmSan Francisco

10h 24m

1 stop

EYW1:09 pmKey West

Aug 22

EYW3:10 pmKey West

10h 29m

1 stop

SFO10:39 pmSan Francisco

$291

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

Fr 4/24

10:38 pm-10:12 am

1 stop8h 34m

Miami

Do 4/30

5:35 pm-5:34 pm

2 stops26h 59m

$267

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sa 5/16

10:15 pm-1:20 pm

1 stop12h 05m

Miami

Sa 5/23

8:03 pm-10:38 am

2 stops17h 35m

$268

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Fr 4/24

11:52 pm-11:22 am

1 stop8h 30m

Miami

Di 4/28

9:00 am-2:53 pm

1 stop8h 53m

$269

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Do 6/11

3:11 pm-7:16 am

1 stop13h 05m

Miami

Mi 6/17

6:00 am-11:38 am

1 stop8h 38m

$270

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

So 4/19

11:25 pm-1:10 pm

2 stops10h 45m

Miami

Do 4/23

11:40 am-7:35 pm

1 stop10h 55m

$274

Quickest round-trip

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Di 4/28

8:29 am-5:11 pm

Nonstop5h 42m

Miami

Mi 5/6

4:20 pm-12:50 am

1 stop11h 30m

$275

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Di 8/18

11:45 pm-1:09 pm

1 stop10h 24m

Key West

Sa 8/22

3:10 pm-10:39 pm

1 stop10h 29m

$291

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Di 8/18

6:00 am-5:14 pm

1 stop8h 14m

Key West

Sa 8/22

1:20 pm-7:24 pm

1 stop9h 04m

$311

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

So 4/26

12:30 am-1:21 pm

1 stop9h 51m

Key West

Mi 5/6

2:01 pm-8:12 pm

1 stop9h 11m

$320

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

So 5/3

12:30 am-1:21 pm

1 stop9h 51m

Key West

Mi 5/13

4:20 pm-11:15 pm

1 stop9h 55m

$322

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 September is another great option to travel to Florida Keys, with average flight prices from San Francisco averaging around $344.

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 $401. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $543.

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 $465. 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 $549.

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 $387 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 $341 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 39m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from San Francisco to Florida Keys takes 5h 39m

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 April 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 12.81% of the total bookings. Other popular models include Boeing 777-300ER with 11.62%, Boeing 737 MAX 8 with 8.87%, and Boeing 737 MAX 9 with 7.82%.

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 7.9 8,388 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.1 11,548 reviews	Search American Airlines flights
United Airlines	PriceFrom $391	Free Cancellation	Rating 7.4 9,551 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.