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Cheap flights from San Diego to Florida Keys from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Florida Keys departing on 10/31. 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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Find the cheapest flights from San Diego to Florida Keys

Cheap round-trip flights

American Airlines Logo
4:25 pm - 5:01 amSAN-MIA
9h 36m1 stop
American Airlines Logo
8:49 am - 11:27 amMIA-SAN
5h 38mnonstop
$241American Airlines
Find Deal
mié., nov. 19 - mar., nov. 25
Southwest Logo
6:35 am - 10:35 pmSAN-MIA
13h 00m1 stop
Southwest Logo
3:15 pm - 8:30 pmMIA-SAN
8h 15m1 stop
$242Southwest
Find Deal
vie., oct. 24 - mar., oct. 28
United Airlines Logo
8:39 pm - 11:00 amSAN-MIA
11h 21m2 stops
United Airlines Logo
4:56 pm - 9:45 pmMIA-SAN
7h 49m1 stop
$244United Airlines
Find Deal
lun., oct. 13 - jue., oct. 16
United Airlines Logo
6:15 am - 5:33 pmSAN-MIA
8h 18m1 stop
United Airlines Logo
4:50 pm - 9:53 pmMIA-SAN
8h 03m1 stop
$248United Airlines
Find Deal
mié., oct. 1 - mar., nov. 18
Frontier Logo
5:28 pm - 11:23 pmSAN-MIA
26h 55m2 stops
Frontier Logo
6:00 am - 11:50 pmMIA-SAN
20h 50m1 stop
$249Frontier
Find Deal
vie., oct. 10 - lun., oct. 13
Frontier Logo
5:28 pm - 11:23 pmSAN-MIA
26h 55m2 stops
Frontier Logo
6:00 am - 9:57 amMIA-SAN
30h 57m1 stop
$250Frontier
Find Deal
vie., oct. 10 - jue., oct. 16
Delta Logo
6:15 am - 5:20 pmSAN-MIA
8h 05m1 stop
Delta Logo
7:40 am - 3:24 pmMIA-SAN
10h 44m1 stop
$257Delta
Find Deal
mié., nov. 19 - lun., nov. 24
Alaska Airlines Logo
9:10 pm - 3:57 pmSAN-MIA
15h 47m1 stop
Alaska Airlines Logo
5:00 pm - 9:49 amMIA-SAN
19h 49m1 stop
$276Alaska Airlines
Find Deal
dom., nov. 23 - mar., dic. 2
Alaska Airlines Logo
9:10 pm - 3:57 pmSAN-MIA
15h 47m1 stop
Alaska Airlines Logo
5:00 pm - 9:49 amMIA-SAN
19h 49m1 stop
$296Alaska Airlines
Find Deal
lun., nov. 24 - mar., dic. 2
Delta Logo
8:00 am - 8:03 pmSAN-EYW
9h 03m1 stop
Delta Logo
6:20 pm - 11:22 pmEYW-SAN
8h 02m1 stop
$457Delta
Find Deal
lun., dic. 15 - mar., dic. 23

American Airlines flights from San Diego to Florida Keys

Our best American Airlines deals on San Diego to Florida Keys flight tickets
American Airlines
Nov 19
SAN4:25 pmSan Diego
9h 36m
1 stop
MIA5:01 amMiami
Nov 25
MIA8:49 amMiami
5h 38m
SAN11:27 amSan Diego
$241
Find similar
American Airlines
Oct 31
SAN6:15 amSan Diego
10h 19m
1 stop
MIA7:34 pmMiami
Nov 8
MIA8:49 amMiami
5h 38m
SAN11:27 amSan Diego
$260
Find similar
American Airlines
Jan 28
SAN11:00 pmSan Diego
4h 42m
MIA6:42 amMiami
Feb 7
MIA7:15 amMiami
10h 38m
1 stop
SAN2:53 pmSan Diego
$270
Find similar

Frontier flights from San Diego to Florida Keys

Our best Frontier deals on San Diego to Florida Keys flight tickets
Frontier
Oct 10
SAN5:28 pmSan Diego
26h 55m
2 stops
MIA11:23 pmMiami
Oct 13
MIA6:00 amMiami
20h 50m
1 stop
SAN11:50 pmSan Diego
$249
Find similar
Frontier
Oct 10
SAN5:28 pmSan Diego
26h 55m
2 stops
MIA11:23 pmMiami
Oct 16
MIA6:00 amMiami
30h 57m
1 stop
SAN9:57 amSan Diego
$250
Find similar
Frontier
Oct 16
SAN6:41 amSan Diego
20h 38m
1 stop
MIA6:19 amMiami
Oct 19
MIA6:00 amMiami
20h 50m
1 stop
SAN11:50 pmSan Diego
$251
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 septiembre 18, 2025.
Use the filters below to find and compare flights from San Diego to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoMiami

SAN - MIA

SANMIA

San Diego

mié. 11/19

4:25 pm-5:01 am

1 stop9h 36m

Miami

mar. 11/25

8:49 am-11:27 am

Nonstop5h 38m

$241

San DiegoMiami

SAN - MIA

SANMIA

San Diego

vie. 10/24

6:35 am-10:35 pm

1 stop13h 00m

Miami

mar. 10/28

3:15 pm-8:30 pm

1 stop8h 15m

$242

San DiegoMiami

SAN - MIA

SANMIA

San Diego

lun. 10/13

8:39 pm-11:00 am

2 stops11h 21m

Miami

jue. 10/16

4:56 pm-9:45 pm

1 stop7h 49m

$244

San DiegoMiami

SAN - MIA

SANMIA

San Diego

mié. 10/1

6:15 am-5:33 pm

1 stop8h 18m

Miami

mar. 11/18

4:50 pm-9:53 pm

1 stop8h 03m

$248

San DiegoMiami

SAN - MIA

SANMIA

San Diego

vie. 10/10

5:28 pm-11:23 pm

2 stops26h 55m

Miami

lun. 10/13

6:00 am-11:50 pm

1 stop20h 50m

$249

San DiegoMiami

SAN - MIA

SANMIA

San Diego

vie. 10/10

5:28 pm-11:23 pm

2 stops26h 55m

Miami

jue. 10/16

6:00 am-9:57 am

1 stop30h 57m

$250

San DiegoMiami

SAN - MIA

SANMIA

San Diego

mié. 11/19

6:15 am-5:20 pm

1 stop8h 05m

Miami

lun. 11/24

7:40 am-3:24 pm

1 stop10h 44m

$257

San DiegoMiami

SAN - MIA

SANMIA

San Diego

dom. 11/23

9:10 pm-3:57 pm

1 stop15h 47m

Miami

mar. 12/2

5:00 pm-9:49 am

1 stop19h 49m

$276

San DiegoMiami

SAN - MIA

SANMIA

San Diego

lun. 11/24

9:10 pm-3:57 pm

1 stop15h 47m

Miami

mar. 12/2

5:00 pm-9:49 am

1 stop19h 49m

$296

San DiegoKey West

SAN - EYW

SANEYW

San Diego

lun. 12/15

8:00 am-8:03 pm

1 stop9h 03m

Key West

mar. 12/23

6:20 pm-11:22 pm

1 stop8h 02m

$457

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 San Diego 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 April is another great option to travel to Florida Keys, with average flight prices from San Diego averaging around $415.

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

The cheapest day to depart from San Diego to Florida Keys is on a Wednesday when prices can be found for as low as $548. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $567.

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 San Diego to Florida Keys in the afternoon for as low as $286. 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 $579.

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 Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $446 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 Diego for as low as $399 on momondo.

Can stopping save me money on San Diego to Florida Keys flights?

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

Cheap San Diego to Florida Keys flight deals and tips

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

Fastest flight time

4h 33m

Direct flights

Every day

Airports in Florida Keys

1 airport
The fastest flight from San Diego to Florida Keys takes 4h 33m
Direct flights go from San Diego 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 San Diego Airport to Florida Keys?

    Prices for flights from San Diego Airport to Florida Keys are updated daily.

  • How many operators does momondo search for flights from San Diego Airport to Florida Keys?

  • How old do you have to be to fly from San Diego Airport 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 San Diego Airport to Florida Keys.

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

    The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to Florida Keys?

Best airlines flying from San Diego to Florida Keys

Compare and see reviews for airlines that fly from San Diego to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $278Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Florida Keys. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from San Diego to Florida Keys with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Florida Keys from San Diego.

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

Of course. momondo tracks the price of San Diego to Florida Keys flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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sáb. 10/18
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