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Cheap flights from California to Florida Keys from $73

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 2/18. 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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0 bags

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Find the cheapest flights from California to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:35 am - 5:48 am
ONT
-
MIA
18h 13m
1 stop
Frontier Logo
6:25 am - 9:34 pm
MIA
-
ONT
18h 09m
1 stop
$133Frontier
Tue, Feb 24 - Wed, Mar 4
Frontier Logo
8:35 am - 5:48 am
ONT
-
MIA
18h 13m
1 stop
Frontier Logo
5:50 am - 11:59 pm
MIA
-
ONT
21h 09m
1 stop
$139Frontier
Tue, Feb 24 - Sat, Mar 7
Multiple Airlines Logo
8:35 am - 5:48 am
ONT
-
MIA
18h 13m
1 stop
Multiple Airlines Logo
7:05 am - 9:34 pm
MIA
-
ONT
17h 29m
2 stops
$143Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
8:35 am - 5:48 am
ONT
-
MIA
18h 13m
1 stop
Multiple Airlines Logo
7:05 am - 11:59 pm
MIA
-
ONT
19h 54m
2 stops
$149Multiple Airlines
Tue, Feb 24 - Sat, Mar 7
Spirit Airlines Logo
11:51 am - 1:28 pm
LAS
-
MIA
22h 37m
1 stop
Spirit Airlines Logo
9:18 pm - 6:42 pm
MIA
-
LAS
24h 24m
1 stop
$194Spirit Airlines
Wed, Feb 11 - Mon, Feb 23
Spirit Airlines Logo
1:53 pm - 11:40 am
LAS
-
MIA
18h 47m
2 stops
Spirit Airlines Logo
9:18 pm - 10:26 am
MIA
-
LAS
16h 08m
2 stops
$197Spirit Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
10:59 pm - 6:49 am
LAX
-
MIA
4h 50mnonstop
Delta Logo
8:05 am - 11:11 am
MIA
-
LAX
6h 06mnonstop
$239Delta
Mon, Mar 16 - Sat, Mar 21
United Airlines Logo
11:00 pm - 7:27 am
SFO
-
MIA
5h 27mnonstop
United Airlines Logo
10:58 am - 5:54 pm
MIA
-
SFO
9h 56m
1 stop
$255United Airlines
Sat, Feb 21 - Tue, Feb 24
Delta Logo
4:59 pm - 5:28 am
OAK
-
MIA
9h 29m
1 stop
Delta Logo
6:43 am - 11:55 am
MIA
-
OAK
8h 12m
1 stop
$257Delta
Mon, Feb 23 - Tue, Mar 3
United Airlines Logo
12:45 am - 11:07 am
SFO
-
MIA
7h 22m
1 stop
United Airlines Logo
7:15 am - 10:45 am
MIA
-
SFO
6h 30mnonstop
$262United Airlines
Wed, May 13 - Wed, May 20

American Airlines flights from California to Florida Keys

Our best American Airlines deals on California to Florida Keys flight tickets
American Airlines
Mar 10
LAS11:29 pmLas Vegas Harry Reid Intl
4h 36m
MIA7:05 amMiami
Mar 17
MIA7:40 pmMiami
5h 49m
LAS10:29 pmLas Vegas Harry Reid Intl
$199
American Airlines
Feb 24
LAS11:39 pmLas Vegas Harry Reid Intl
4h 36m
MIA7:15 amMiami
Mar 3
MIA5:00 pmMiami
5h 45m
LAS7:45 pmLas Vegas Harry Reid Intl
$223
American Airlines
Mar 5
LAX2:37 pmLos Angeles
7h 22m
1 stop
MIA12:59 amMiami
Mar 9
MIA8:00 amMiami
5h 55m
LAX10:55 amLos Angeles
$278

Southwest flights from California to Florida Keys

Our best Southwest deals on California to Florida Keys flight tickets
Southwest
Mar 11
LAS10:15 amLas Vegas Harry Reid Intl
8h 25m
2 stops
MIA9:40 pmMiami
Mar 17
MIA5:30 amMiami
9h 55m
2 stops
LAS12:25 pmLas Vegas Harry Reid Intl
$229
Southwest
Mar 24
SAN6:50 amSan Diego
11h 55m
2 stops
MIA9:45 pmMiami
Mar 31
MIA5:30 amMiami
7h 15m
1 stop
SAN9:45 amSan Diego
$282
Southwest
Mar 1
OAK5:05 amOakland
13h 55m
1 stop
MIA10:00 pmMiami
Mar 10
MIA3:35 pmMiami
10h 45m
2 stops
OAK11:20 pmOakland
$299

momondo Fare Finder

 
Customize your flight search to find flights from California to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from California to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 2/24

8:35 am-5:48 am

1 stop18h 13m

Miami

Wed 3/4

6:25 am-9:34 pm

1 stop18h 09m

$133

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 2/24

8:35 am-5:48 am

1 stop18h 13m

Miami

Sat 3/7

5:50 am-11:59 pm

1 stop21h 09m

$139

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 2/24

8:35 am-5:48 am

1 stop18h 13m

Miami

Tue 3/3

7:05 am-9:34 pm

2 stops17h 29m

$143

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 2/24

8:35 am-5:48 am

1 stop18h 13m

Miami

Sat 3/7

7:05 am-11:59 pm

2 stops19h 54m

$149

Las VegasMiami

LAS - MIA

LASMIA

Las Vegas Harry Reid Intl

Wed 2/11

11:51 am-1:28 pm

1 stop22h 37m

Miami

Mon 2/23

9:18 pm-6:42 pm

1 stop24h 24m

$194

Las VegasMiami

LAS - MIA

LASMIA

Las Vegas Harry Reid Intl

Tue 2/24

1:53 pm-11:40 am

2 stops18h 47m

Miami

Tue 3/3

9:18 pm-10:26 am

2 stops16h 08m

$197

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Mon 3/16

10:59 pm-6:49 am

Nonstop4h 50m

Miami

Sat 3/21

8:05 am-11:11 am

Nonstop6h 06m

$239

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Sat 2/21

11:00 pm-7:27 am

Nonstop5h 27m

Miami

Tue 2/24

10:58 am-5:54 pm

1 stop9h 56m

$255

OaklandMiami

OAK - MIA

OAKMIA

Oakland

Mon 2/23

4:59 pm-5:28 am

1 stop9h 29m

Miami

Tue 3/3

6:43 am-11:55 am

1 stop8h 12m

$257

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Wed 5/13

12:45 am-11:07 am

1 stop7h 22m

Miami

Wed 5/20

7:15 am-10:45 am

Nonstop6h 30m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $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 $529. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $569.

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 in the evening are often more expensive with an average ticket price of $575.

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 $452 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 $391 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

  • 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?

  • 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?

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 AirlinesPriceFrom $250Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,215 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.

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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
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