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 California according to our data. American Airlines is the first choice among our users, with 79% 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 California to Florida Keys?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from California to Florida Keys

How long is the flight from California to Florida Keys?

On average, it takes 1h 01m to fly from California to Florida Keys if you fly out of San Diego (the most popular airport in California) and into Los Angeles (the most popular airport in Florida Keys). If you’re flying out of San Jose and into Los Angeles, then the flight time is around 1h 18m.

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

The number of flights available between California and Florida Keys is 663 per week as of November 2025. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from California to Florida Keys?

Prices for flights from California to Florida Keys refresh daily.

How many operators does momondo search for flights from California to Florida Keys?

As of November 2025, there are 8 operators available to choose from for flights from California to Florida Keys.

How old do you have to be to fly from California to Florida Keys?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California 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.

$60 Cheap Flights from California to Florida Keys in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 5:19 amONT-MIA

19h 19m1 stop

6:25 am - 10:39 pmMIA-ONT

19h 14m1 stop

$127Frontier

Find Deal

Tue, Jan 20 - Tue, Jan 27

1:35 pm - 5:19 amSNA-MIA

12h 44m1 stop

6:00 am - 12:42 pmMIA-SNA

9h 42m1 stop

$130Frontier

Find Deal

Sat, Dec 6 - Wed, Dec 10

2:59 pm - 8:23 amONT-MIA

14h 24m1 stop

9:59 pm - 4:33 pmMIA-ONT

21h 34m1 stop

$135Multiple Airlines

Find Deal

Mon, Dec 8 - Sat, Dec 13

2:59 pm - 8:23 amONT-MIA

14h 24m1 stop

9:59 pm - 4:33 pmMIA-ONT

21h 34m1 stop

$137Multiple Airlines

Find Deal

Mon, Dec 8 - Sat, Dec 13

8:11 am - 3:55 pmLAS-MIA

4h 44mnonstop

7:13 pm - 9:45 pmMIA-LAS

5h 32mnonstop

$179American Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

9:10 am - 9:30 pmLAS-MIA

9h 20m2 stops

4:55 pm - 9:30 pmMIA-LAS

7h 35m1 stop

$184Southwest

Find Deal

Sat, Jan 24 - Wed, Jan 28

9:05 am - 11:23 amLAX-MIA

23h 18m3 stops

6:05 am - 1:11 pmMIA-LAX

10h 06m1 stop

$233Spirit Airlines

Find Deal

Thu, Nov 27 - Fri, Dec 5

9:45 pm - 11:05 amSAN-MIA

10h 20m1 stop

11:40 am - 5:55 pmMIA-SAN

9h 15m2 stops

$242Southwest

Find Deal

Mon, Dec 8 - Tue, Dec 16

7:17 pm - 11:12 amBUR-MIA

12h 55m2 stops

9:59 pm - 6:22 pmMIA-BUR

23h 23m2 stops

$242Spirit Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

8:00 am - 4:23 pmSFO-MIA

5h 23mnonstop

7:50 pm - 11:36 pmMIA-SFO

6h 46mnonstop

$243American Airlines

Find Deal

Wed, Feb 4 - Mon, Feb 9

Southwest flights from California to Florida Keys

Our best Southwest deals on California to Florida Keys flight tickets

Southwest

Jan 24

LAS9:10 amLas Vegas Harry Reid Intl

9h 20m

2 stops

MIA9:30 pmMiami

Jan 28

MIA4:55 pmMiami

7h 35m

1 stop

LAS9:30 pmLas Vegas Harry Reid Intl

$184

Find similar

Southwest

Dec 8

SAN9:45 pmSan Diego

10h 20m

1 stop

MIA11:05 amMiami

Dec 16

MIA11:40 amMiami

9h 15m

2 stops

SAN5:55 pmSan Diego

$242

Find similar

Southwest

Dec 10

OAK5:45 amOakland

7h 15m

1 stop

MIA4:00 pmMiami

Dec 16

MIA11:40 amMiami

10h 15m

1 stop

OAK6:55 pmOakland

$263

Find similar

Delta flights from California to Florida Keys

Our best Delta deals on California to Florida Keys flight tickets

Delta

Dec 10

OAK4:50 pmOakland

10h 34m

1 stop

MIA6:24 amMiami

Dec 16

MIA6:50 pmMiami

8h 18m

1 stop

OAK12:08 amOakland

$257

Find similar

Delta

Dec 9

OAK4:50 pmOakland

15h 31m

2 stops

MIA11:21 amMiami

Dec 16

MIA6:50 pmMiami

8h 18m

1 stop

OAK12:08 amOakland

$262

Find similar

Delta

Nov 18

SFO5:00 pmSan Francisco

10h 25m

1 stop

MIA6:25 amMiami

Nov 27

MIA7:20 amMiami

10h 23m

1 stop

SFO2:43 pmSan Francisco

$312

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 1/20

7:00 am-5:19 am

1 stop19h 19m

Miami

Tue 1/27

6:25 am-10:39 pm

1 stop19h 14m

$127

Santa AnaMiami

SNA - MIA

SNAMIA

Santa Ana J. Wayne/Orange Cnty

Sat 12/6

1:35 pm-5:19 am

1 stop12h 44m

Miami

Wed 12/10

6:00 am-12:42 pm

1 stop9h 42m

$130

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Mon 12/8

2:59 pm-8:23 am

1 stop14h 24m

Miami

Sat 12/13

9:59 pm-4:33 pm

1 stop21h 34m

$135

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Mon 12/8

2:59 pm-8:23 am

1 stop14h 24m

Miami

Sat 12/13

9:59 pm-4:33 pm

1 stop21h 34m

$137

Las VegasMiami

LAS - MIA

LASMIA

Las Vegas Harry Reid Intl

Tue 12/2

8:11 am-3:55 pm

Nonstop4h 44m

Miami

Tue 12/9

7:13 pm-9:45 pm

Nonstop5h 32m

$179

Las VegasMiami

LAS - MIA

LASMIA

Las Vegas Harry Reid Intl

Sat 1/24

9:10 am-9:30 pm

2 stops9h 20m

Miami

Wed 1/28

4:55 pm-9:30 pm

1 stop7h 35m

$184

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 11/27

9:05 am-11:23 am

3 stops23h 18m

Miami

Fri 12/5

6:05 am-1:11 pm

1 stop10h 06m

$233

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 12/8

9:45 pm-11:05 am

1 stop10h 20m

Miami

Tue 12/16

11:40 am-5:55 pm

2 stops9h 15m

$242

BurbankMiami

BUR - MIA

BURMIA

Burbank Bob Hope

Thu 12/4

7:17 pm-11:12 am

2 stops12h 55m

Miami

Sun 12/7

9:59 pm-6:22 pm

2 stops23h 23m

$242

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Wed 2/4

8:00 am-4:23 pm

Nonstop5h 23m

Miami

Mon 2/9

7:50 pm-11:36 pm

Nonstop6h 46m

$243

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How to get the cheapest flight ticket from California 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 California averaging around $409.

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

The cheapest day to depart from California to Florida Keys is on a Saturday when prices can be found for as low as $535. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $585.

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 California to Florida Keys in the afternoon for as low as $479. 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 $596.

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

You are more likely to see cheaper flights to Florida Keys from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $457 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from California for as low as $415 on momondo.

Can stopping save me money on California to Florida Keys flights?

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

Cheap California to Florida Keys flight deals and tips

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

Fastest flight time	4h 30m
Direct flights	Every day
Airports in Florida Keys	1 airport

The fastest flight from California to Florida Keys takes 4h 30m

Direct flights go from California to Florida Keys every day.

There is 1 airport near Florida Keys: Miami (MIA)

Search flight deals

When did momondo last update prices for flights from California to Florida Keys?
Prices for flights from California to Florida Keys refresh daily.
How many operators does momondo search for flights from California to Florida Keys?
As of November 2025, there are 8 operators available to choose from for flights from California to Florida Keys.
How old do you have to be to fly from California to Florida Keys?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California 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 California to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from California to Florida Keys is Boeing 787-9 Dreamliner, representing 11.35% of all bookings. The subsequent popular models are Airbus A320neo at 7.73%, Airbus A321neo at 7.69%, and Boeing 777-300ER at 7.37%.

Best airlines flying from California to Florida Keys

Compare and see reviews for airlines that fly from California 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 8,009 reviews	Search Delta flights
United Airlines	PriceFrom $287	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights

Why use momondo?

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

It is quick and easy to find California 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 California to Florida Keys with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Florida Keys from California with this policy.

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

momondo provides multiple filters to help you find the best flight to Florida Keys from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for California to Florida Keys flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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 $44

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $48

Flights to Las Vegasfrom $48

Flights to San Franciscofrom $58

Flights to Washington, D.C.from $40

Flights to Bostonfrom $55

Flights to Atlantafrom $48

Flights to Dallasfrom $52

Flights to Seattlefrom $58

Cheap flights from California to Florida Keys from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Florida Keys departing on 1/10. 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

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Filter for what you want

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Find the cheapest flights from California to Florida Keys

Cheap round-trip flights

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Southwest flights from California to Florida Keys

Our best Southwest deals on California to Florida Keys flight tickets

Delta flights from California to Florida Keys

Our best Delta deals on California to Florida Keys flight tickets

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

See travel insights to Florida Keys from

How to get the cheapest flight ticket from California 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

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 California averaging around $409.

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

The cheapest day to depart from California to Florida Keys is on a Saturday when prices can be found for as low as $535. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $585.

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 California to Florida Keys flights?

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

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

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from California to Florida Keys

What airlines fly to Florida Keys?

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

The number of flights available between California and Florida Keys is 663 per week as of November 2025. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.

How long is the flight from California to Florida Keys?

On average, it takes 1h 01m to fly from California to Florida Keys if you fly out of San Diego (the most popular airport in California) and into Los Angeles (the most popular airport in Florida Keys). If you’re flying out of San Jose and into Los Angeles, then the flight time is around 1h 18m.

Cheap California to Florida Keys flight deals and tips

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

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from California to Florida Keys?

How many operators does momondo search for flights from California to Florida Keys?

How old do you have to be to fly from California to Florida Keys?

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

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

Best airlines flying from California to Florida Keys

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

Why use momondo?

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

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

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

I’m not ready to book a flight from California 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