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

Southwest, Frontier, and Delta are the most popular carriers operating from California 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 485 per week as of August 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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.

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.

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 August 2026, there are 7 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.

$84 Cheap Flights from California to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

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.

11:45 am - 12:46 amONT Ontario-MIA Miami

10h 01m1 stop Denver Intl

5:50 am - 10:30 amMIA Miami-ONT Ontario

7h 40m1 stop Denver Intl

$168Frontier

Sat, Sep 12 - Tue, Sep 15

11:45 am - 12:46 amONT Ontario-MIA Miami

10h 01m1 stop Denver Intl

5:50 am - 10:30 amMIA Miami-ONT Ontario

7h 40m1 stop Denver Intl

$168Frontier

Sat, Sep 19 - Wed, Sep 23

11:50 pm - 5:25 pmOAK Oakland-MIA Miami

14h 35m1 stop Chicago Midway

2:35 pm - 10:00 pmMIA Miami-OAK Oakland

10h 25m1 stop Denver Intl

$211Southwest

Mon, Nov 16 - Wed, Nov 18

8:30 pm - 11:50 amOAK Oakland-MIA Miami

12h 20m2 stops Las Vegas Harry Reid Intl Orlando

2:35 pm - 10:00 pmMIA Miami-OAK Oakland

10h 25m1 stop Denver Intl

$217Southwest

Mon, Nov 16 - Wed, Nov 18

5:00 pm - 5:49 amOAK Oakland-MIA Miami

9h 49m1 stop Salt Lake City

7:05 am - 11:59 amMIA Miami-OAK Oakland

7h 54m1 stop Salt Lake City

$257Delta

Wed, Sep 9 - Wed, Sep 16

7:05 pm - 5:49 amSNA Santa Ana J. Wayne/Orange Cnty-MIA Miami

7h 44m1 stop Salt Lake City

4:35 pm - 10:04 pmMIA Miami-SNA Santa Ana J. Wayne/Orange Cnty

8h 29m1 stop Atlanta Hartsfield-Jackson

$257Delta

Tue, Sep 15 - Tue, Sep 22

4:55 pm - 5:42 amSNA Santa Ana J. Wayne/Orange Cnty-MIA Miami

9h 47m1 stop Phoenix Sky Harbor Intl

5:25 am - 9:45 amMIA Miami-SNA Santa Ana J. Wayne/Orange Cnty

7h 20m1 stop Dallas/Fort Worth

$257American Airlines

Sat, Sep 5 - Sat, Sep 12

12:14 pm - 11:18 pmSNA Santa Ana J. Wayne/Orange Cnty-MIA Miami

8h 04m1 stop Dallas/Fort Worth

7:30 am - 11:45 amMIA Miami-SNA Santa Ana J. Wayne/Orange Cnty

7h 15m1 stop Phoenix Sky Harbor Intl

$257American Airlines

Wed, Sep 30 - Wed, Oct 7

6:27 pm - 11:11 amSNA Santa Ana J. Wayne/Orange Cnty-MIA Miami

13h 44m2 stops San Francisco Washington, D.C. Dulles Intl

1:44 pm - 8:24 pmMIA Miami-SNA Santa Ana J. Wayne/Orange Cnty

9h 40m1 stop Washington, D.C. Dulles Intl

$262United Airlines

Sat, Sep 5 - Sat, Sep 12

8:00 pm - 7:50 amSNA Santa Ana J. Wayne/Orange Cnty-MIA Miami

8h 50m1 stop San Francisco

7:30 am - 2:59 pmMIA Miami-SNA Santa Ana J. Wayne/Orange Cnty

10h 29m1 stop Denver Intl

$266United Airlines

Mon, Oct 26 - Fri, Oct 30

Cheap last minute flights

Enter your travel dates to find the best prices.

5:07 pm - 6:30 amSMF Sacramento Intl-MIA Miami

10h 23m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:57 amMIA Miami-SMF Sacramento Intl

7h 57m1 stop Denver Intl

$232Frontier

Wed, Aug 12 - Wed, Aug 19

4:28 pm - 6:30 amSMF Sacramento Intl-MIA Miami

11h 02m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:35 amMIA Miami-SMF Sacramento Intl

7h 35m1 stop Denver Intl

$252Frontier

Sat, Aug 15 - Mon, Aug 17

6:28 pm - 6:30 amSMF Sacramento Intl-MIA Miami

9h 02m1 stop Las Vegas Harry Reid Intl

6:20 pm - 9:17 amMIA Miami-SMF Sacramento Intl

17h 57m1 stop Seattle/Tacoma Intl

$347Multiple Airlines

Thu, Aug 13 - Tue, Aug 18

6:28 pm - 6:30 amSMF Sacramento Intl-MIA Miami

9h 02m1 stop Las Vegas Harry Reid Intl

10:10 am - 6:38 pmMIA Miami-SMF Sacramento Intl

11h 28m2 stops Dallas/Fort Worth San Diego

$367Multiple Airlines

Thu, Aug 13 - Tue, Aug 18

5:00 pm - 6:00 amOAK Oakland-MIA Miami

10h 00m1 stop Salt Lake City

7:05 am - 11:59 amMIA Miami-OAK Oakland

7h 54m1 stop Salt Lake City

$373Delta

Sat, Aug 15 - Wed, Sep 30

5:00 pm - 6:00 amOAK Oakland-MIA Miami

10h 00m1 stop Salt Lake City

2:45 pm - 11:59 pmMIA Miami-OAK Oakland

12h 14m2 stops Minneapolis St Paul Salt Lake City

$378Delta

Sat, Aug 15 - Wed, Sep 30

7:30 am - 4:21 pmSFO San Francisco-MIA Miami

5h 51mnonstop

9:48 pm - 12:54 amMIA Miami-SFO San Francisco

6h 06mnonstop

$389American Airlines

Sat, Aug 15 - Sat, Aug 22

9:35 pm - 6:10 amSFO San Francisco-MIA Miami

5h 35mnonstop

8:43 pm - 11:53 pmMIA Miami-SFO San Francisco

6h 10mnonstop

$389American Airlines

Sat, Aug 15 - Mon, Aug 24

7:45 am - 10:34 pmSMF Sacramento Intl-MIA Miami

11h 49m2 stops Los Angeles Houston George Bush Intcntl

11:30 am - 7:47 pmMIA Miami-SMF Sacramento Intl

11h 17m2 stops Houston George Bush Intcntl San Francisco

$401United Airlines

Thu, Aug 13 - Tue, Aug 18

8:55 am - 10:34 pmSMF Sacramento Intl-MIA Miami

10h 39m2 stops Denver Intl Houston George Bush Intcntl

3:52 pm - 10:59 pmMIA Miami-SMF Sacramento Intl

10h 07m2 stops Denver Intl Los Angeles

$441United Airlines

Fri, Aug 14 - Mon, Aug 24

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Frontier flights from California to Florida Keys

Our best Frontier deals on California to Florida Keys flight tickets

Frontier

Sep 12

ONT11:45 amOntario

10h 01m

1 stop

MIA12:46 amMiami

Sep 15

MIA5:50 amMiami

7h 40m

1 stop

ONT10:30 amOntario

$168

Frontier

Sep 9

ONT11:45 amOntario

10h 01m

1 stop

MIA12:46 amMiami

Sep 14

MIA5:50 amMiami

7h 40m

1 stop

ONT10:30 amOntario

$181

Frontier

Sep 8

ONT7:56 pmOntario

25h 50m

1 stop

MIA12:46 amMiami

Sep 15

MIA5:50 amMiami

20h 57m

1 stop

ONT11:47 pmOntario

$191

Southwest flights from California to Florida Keys

Our best Southwest deals on California to Florida Keys flight tickets

Southwest

Nov 16

OAK11:50 pmOakland

14h 35m

1 stop

MIA5:25 pmMiami

Nov 18

MIA2:35 pmMiami

10h 25m

1 stop

OAK10:00 pmOakland

$211

Southwest

Nov 16

OAK8:30 pmOakland

12h 20m

2 stops

MIA11:50 amMiami

Nov 18

MIA2:35 pmMiami

10h 25m

1 stop

OAK10:00 pmOakland

$217

Southwest

Sep 14

SJC6:05 amSan Jose

8h 40m

1 stop

MIA5:45 pmMiami

Sep 22

MIA11:50 amMiami

9h 30m

1 stop

SJC6:20 pmSan Jose

$219

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMiami

ONT Ontario - MIA Miami

ONTMIA

Ontario

Sat 9/12

11:45 am-12:46 am

1 stop10h 01m

Miami

Tue 9/15

5:50 am-10:30 am

1 stop7h 40m

$168

OntarioMiami

ONT Ontario - MIA Miami

ONTMIA

Ontario

Sat 9/19

11:45 am-12:46 am

1 stop10h 01m

Miami

Wed 9/23

5:50 am-10:30 am

1 stop7h 40m

$168

OaklandMiami

OAK Oakland - MIA Miami

OAKMIA

Oakland

Mon 11/16

11:50 pm-5:25 pm

1 stop14h 35m

Miami

Wed 11/18

2:35 pm-10:00 pm

1 stop10h 25m

$211

OaklandMiami

OAK Oakland - MIA Miami

OAKMIA

Oakland

Mon 11/16

8:30 pm-11:50 am

2 stops12h 20m

Miami

Wed 11/18

2:35 pm-10:00 pm

1 stop10h 25m

$217

OaklandMiami

OAK Oakland - MIA Miami

OAKMIA

Oakland

Wed 9/9

5:00 pm-5:49 am

1 stop9h 49m

Miami

Wed 9/16

7:05 am-11:59 am

1 stop7h 54m

$257

Santa AnaMiami

SNA Santa Ana J. Wayne/Orange Cnty - MIA Miami

SNAMIA

Santa Ana J. Wayne/Orange Cnty

Tue 9/15

7:05 pm-5:49 am

1 stop7h 44m

Miami

Tue 9/22

4:35 pm-10:04 pm

1 stop8h 29m

$257

Santa AnaMiami

SNA Santa Ana J. Wayne/Orange Cnty - MIA Miami

SNAMIA

Santa Ana J. Wayne/Orange Cnty

Sat 9/5

4:55 pm-5:42 am

1 stop9h 47m

Miami

Sat 9/12

5:25 am-9:45 am

1 stop7h 20m

$257

Quickest round-trip

Santa AnaMiami

SNA Santa Ana J. Wayne/Orange Cnty - MIA Miami

SNAMIA

Santa Ana J. Wayne/Orange Cnty

Wed 9/30

12:14 pm-11:18 pm

1 stop8h 04m

Miami

Wed 10/7

7:30 am-11:45 am

1 stop7h 15m

$257

Santa AnaMiami

SNA Santa Ana J. Wayne/Orange Cnty - MIA Miami

SNAMIA

Santa Ana J. Wayne/Orange Cnty

Sat 9/5

6:27 pm-11:11 am

2 stops13h 44m

Miami

Sat 9/12

1:44 pm-8:24 pm

1 stop9h 40m

$262

Santa AnaMiami

SNA Santa Ana J. Wayne/Orange Cnty - MIA Miami

SNAMIA

Santa Ana J. Wayne/Orange Cnty

Mon 10/26

8:00 pm-7:50 am

1 stop8h 50m

Miami

Fri 10/30

7:30 am-2:59 pm

1 stop10h 29m

$266

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 October is another great option to travel to Florida Keys, with average flight prices from California averaging around $397.

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 Wednesday when prices can be found for as low as $562. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $642.

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 $452. 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 $605.

How far in advance should I book a flight from California 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 $478 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 $401 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 32m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from California to Florida Keys takes 4h 32m

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

Frequently asked questions about flying from California to Florida Keys

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 August 2026, there are 7 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 11.92% of all bookings. The subsequent popular models are Airbus A320neo at 8.91%, Airbus A321neo at 8.24%, and Boeing 737 MAX 8 at 7.02%.

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
Delta	PriceFrom $242	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,902 reviews	Search American Airlines flights
United Airlines	PriceFrom $390	Free Cancellation	Rating 7.4 10,103 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.