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 80% 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?

Spirit Airlines, Delta, and Frontier 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 10h 15m to fly from California to Florida Keys if you fly out of San Francisco (the most popular airport in California) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Los Angeles and into Copenhagen, then the flight time is around 10h 55m.

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

The number of flights available between California and Florida Keys is 629 per week as of March 2026. The most frequent departure day is Fri, 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 March 2026, 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.

$78 Cheap Flights from California to Florida Keys in 2026

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Find the cheapest flights from California to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:44 pm - 7:32 am

ONT

MIA

8h 48m

1 stop

8:42 am - 6:49 pm

MIA

ONT

13h 07m

1 stop

$160Frontier

Wed, Apr 15 - Sat, Apr 18

7:40 pm - 11:49 am

ONT

MIA

13h 09m

1 stop

1:15 pm - 11:58 pm

MIA

ONT

13h 43m

1 stop

$162Frontier

Sat, Apr 11 - Fri, Apr 17

8:59 pm - 7:22 am

ONT

MIA

7h 23m

1 stop

8:42 am - 6:49 pm

MIA

ONT

13h 07m

1 stop

$166Frontier

Mon, Apr 20 - Tue, Apr 28

11:49 pm - 7:32 am

LAS

MIA

4h 43mnonstop

6:44 am - 11:00 am

MIA

LAS

7h 16m

1 stop

$203Multiple Airlines

Sat, May 2 - Sun, May 10

11:49 pm - 7:32 am

LAS

MIA

4h 43mnonstop

6:44 am - 2:59 pm

MIA

LAS

11h 15m

1 stop

$206Multiple Airlines

Sat, May 2 - Wed, May 6

9:03 am - 9:32 pm

BUR

MIA

9h 29m

2 stops

6:30 am - 6:41 pm

MIA

BUR

15h 11m

2 stops

$245Spirit Airlines

Wed, Apr 22 - Tue, Apr 28

9:03 am - 9:32 pm

BUR

MIA

9h 29m

2 stops

6:30 am - 6:41 pm

MIA

BUR

15h 11m

2 stops

$254Spirit Airlines

Tue, Apr 21 - Wed, Apr 29

11:55 pm - 11:55 am

OAK

MIA

9h 00m

1 stop

6:15 am - 11:10 am

MIA

OAK

7h 55m

1 stop

$269Southwest

Mon, Apr 13 - Wed, Apr 15

10:54 pm - 7:39 am

SFO

MIA

5h 45mnonstop

8:00 am - 11:03 am

MIA

SFO

6h 03mnonstop

$269United Airlines

Sun, May 31 - Sat, Jun 6

7:40 am - 6:20 pm

OAK

MIA

7h 40m

1 stop

6:40 am - 2:55 pm

MIA

OAK

11h 15m

2 stops

$274Southwest

Wed, Apr 15 - Tue, Apr 21

Frontier flights from California to Florida Keys

Our best Frontier deals on California to Florida Keys flight tickets

Frontier

Apr 15

ONT7:44 pmOntario

8h 48m

1 stop

MIA7:32 amMiami

Apr 18

MIA8:42 amMiami

13h 07m

1 stop

ONT6:49 pmOntario

$160

Frontier

Apr 11

ONT7:40 pmOntario

13h 09m

1 stop

MIA11:49 amMiami

Apr 17

MIA1:15 pmMiami

13h 43m

1 stop

ONT11:58 pmOntario

$162

Frontier

Apr 20

ONT8:59 pmOntario

7h 23m

1 stop

MIA7:22 amMiami

Apr 28

MIA8:42 amMiami

13h 07m

1 stop

ONT6:49 pmOntario

$166

American Airlines flights from California to Florida Keys

Our best American Airlines deals on California to Florida Keys flight tickets

American Airlines

May 2

SFO1:12 pmSan Francisco

5h 39m

MIA9:51 pmMiami

May 9

MIA7:50 amMiami

6h 12m

SFO11:02 amSan Francisco

$301

American Airlines

May 27

SFO1:17 pmSan Francisco

8h 30m

1 stop

MIA12:47 amMiami

May 30

MIA8:45 pmMiami

6h 14m

SFO11:59 pmSan Francisco

$308

American Airlines

May 5

SFO6:15 amSan Francisco

5h 35m

MIA2:50 pmMiami

May 14

MIA7:23 amMiami

8h 56m

1 stop

SFO1:19 pmSan Francisco

$309

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Wed 4/15

7:44 pm-7:32 am

1 stop8h 48m

Miami

Sat 4/18

8:42 am-6:49 pm

1 stop13h 07m

$160

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sat 4/11

7:40 pm-11:49 am

1 stop13h 09m

Miami

Fri 4/17

1:15 pm-11:58 pm

1 stop13h 43m

$162

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Mon 4/20

8:59 pm-7:22 am

1 stop7h 23m

Miami

Tue 4/28

8:42 am-6:49 pm

1 stop13h 07m

$166

Las VegasMiami

LAS - MIA

LASMIA

Las Vegas Harry Reid Intl

Sat 5/2

11:49 pm-7:32 am

Nonstop4h 43m

Miami

Sun 5/10

6:44 am-11:00 am

1 stop7h 16m

$203

Las VegasMiami

LAS - MIA

LASMIA

Las Vegas Harry Reid Intl

Sat 5/2

11:49 pm-7:32 am

Nonstop4h 43m

Miami

Wed 5/6

6:44 am-2:59 pm

1 stop11h 15m

$206

BurbankMiami

BUR - MIA

BURMIA

Burbank Bob Hope

Wed 4/22

9:03 am-9:32 pm

2 stops9h 29m

Miami

Tue 4/28

6:30 am-6:41 pm

2 stops15h 11m

$245

BurbankMiami

BUR - MIA

BURMIA

Burbank Bob Hope

Tue 4/21

9:03 am-9:32 pm

2 stops9h 29m

Miami

Wed 4/29

6:30 am-6:41 pm

2 stops15h 11m

$254

OaklandMiami

OAK - MIA

OAKMIA

Oakland

Mon 4/13

11:55 pm-11:55 am

1 stop9h 00m

Miami

Wed 4/15

6:15 am-11:10 am

1 stop7h 55m

$269

Quickest round-trip

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sun 5/31

10:54 pm-7:39 am

Nonstop5h 45m

Miami

Sat 6/6

8:00 am-11:03 am

Nonstop6h 03m

$269

OaklandMiami

OAK - MIA

OAKMIA

Oakland

Wed 4/15

7:40 am-6:20 pm

1 stop7h 40m

Miami

Tue 4/21

6:40 am-2:55 pm

2 stops11h 15m

$274

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 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 $407.

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 $523. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $565.

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 $476. 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 $566.

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 $453 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 $395 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 36m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from California to Florida Keys takes 4h 36m

Direct flights go from California to Florida Keys every day.

There are 3 airports in Florida Keys. From California there are direct flights to 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 March 2026, 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 14.10% of all bookings. The subsequent popular models are Boeing 777-300ER at 9.80%, Airbus A321neo at 7.65%, and Airbus A320neo at 6.94%.

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 $250	Free Cancellation	Rating 7.1 11,489 reviews	Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,314 reviews	Search Delta flights
United Airlines	PriceFrom $391	Free Cancellation	Rating 7.4 9,455 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.