Cheap flights from Key Largo to San Diego (SAN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Key Largo to San Diego are usually found in August or September, booked 26 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Key Largo to San Diego (SAN)

All the information you need to plan the best null to SAN flight in 2022: compare Key Largo to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
KE9 - SAN
Price
$229 - $384
SAN
Temperature
57.2 - 71.6 °F
SAN
Precipitation
0 - 2.3 inches

Popular in

December

High demand for flights, 21% potential price rise

Cheapest in

August

Best time to find cheap flights, 24% potential price drop

Round-trip from

$229

From Key Largo to San Diego

One-way from

$69

One-way flight from Key Largo to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Key Largo to San Diego?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to San Diego. Flights to San Diego from Key Largo in August are about $302 on average during August, but can be found for as low as $97.

When is the cheapest time to fly from Key Largo to San Diego (KE9 - SAN)?

When flying from Key Largo to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far in advance should I book a flight from Key Largo to San Diego?

Users have found that booking a flight from Key Largo to San Diego at least 27 days early can save you up to 38% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from Key Largo to San Diego for as little as $336 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $417 for flights departing within the next 3 days.

Cheap flights from Key Largo to San Diego in January, February 2022

The best prices found for Key Largo to SAN flights for January, February
5 Feb - 8 Feb
$102pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
5 Feb - 9 Feb
$111pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
1 Feb - 4 Feb
$113pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami

Key Largo to San Diego 2022 flight deals

Cheap flights to San Diego from Key Largo found for this year
5 Feb - 8 Feb
$102pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
5 Feb - 9 Feb
$111pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
1 Feb - 4 Feb
$113pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami

Non-stop flights to San Diego from Key Largo

Save time with Key Largo to San Diego direct flight deals
12 Feb - 15 Feb
$168pp
MIA
Miami
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
MIA
Miami
11 Feb - 14 Feb
$188pp
MIA
Miami
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
MIA
Miami
4 Feb - 7 Feb
$192pp
MIA
Miami
Frontier
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
Non-Stop
MIA
Miami

Last minute flights from Key Largo to San Diego

Late deals on round-trip flights to San Diego from Key Largo, departing today and this week
1 Feb - 4 Feb
$113pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
2 Feb - 8 Feb
$115pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
1 Feb - 9 Feb
$116pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami

One-way flights to San Diego from Key Largo

The cheapest one-way flights from Key Largo to San Diego
2:04 pm - 4:36 pm
American Airlines
Nonstop
5h 32m
MIA - SAN
American Airlines
7:40 am - 6:29 pm
Multiple Airlines
2 Stops
13h 49m
MIA - SAN
Multiple Airlines
$92
Kiwi.com
1:40 am - 2:22 am
Spirit Airlines
1 Stop
27h 42m
MIA - SAN
Spirit Airlines
$93
FareScan

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Key Largo</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Key Largo to San Diego

What airport do you fly into for flights to San Diego from Key Largo?

If you book a flight to San Diego from Key Largo, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 3 flights from Key Largo to San Diego per day from 7 different airlines.

Which airlines flying from Key Largo to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Delta flying from Key Largo to San Diego have implemented new flexible cancellation policies.

Can I find flights from Key Largo to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Key Largo to San Diego for under $200. The cheapest flight booked recently is on Frontier for just $102, but on average you can expect to pay $123.

Are there nonstop flights from Key Largo to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Key Largo to San Diego under $200. A good price for a nonstop flight from Key Largo to San Diego is less than $231.

Are there last-minute flights available from Key Largo to San Diego for under $200?

There are currently 20+ open flights from Key Largo to San Diego within the next 7 days for less than $200.

How popular is this Key Largo to San Diego flight route?

The Key Largo to San Diego flight path was viewed by 42 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from Key Largo to San Diego one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Key Largo to San Diego for a low price.

What are the most popular airlines that fly from Key Largo to San Diego?

When booking a flight from Key Largo to San Diego, you may want to consider flying on Major Airline, American Airlines or JetBlue as they are the most popular for this route.

What are the most reliable airlines from Key Largo to San Diego?

Before booking your flight to San Diego from Key Largo, check out the most reliable airlines to get you to your destination on time: Qatar Airways (73%), American Airlines (65%), Alaska Airlines( 65%).

What are the cheapest flights from Key Largo to San Diego?

Looking for the cheapest flight from Key Largo to San Diego? While on average our users pay $583, our data indicates the cheapest price to be $78. The most popular route (Miami - San Diego), is priced around $113.

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Key Largo?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Key Largo need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Key Largo must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Diego.

Quarantine requirements
Visitors from Key Largo are not required to quarantine after entering San Diego.

Do I need a test to fly back to Key Largo from San Diego?

Returning to Key Largo from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Key Largo.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Key Largo.

Hide COVID Travel Restrictions for San Diego, CA

Alternative routes for Key Largo to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Key Largo to San Diego.
Average temperature for January in San Diego
68.0 °F
Avg rainfall for January in San Diego
2.7 ″

Airports servicing Key Largo

Airports servicing San Diego

Top 6 airlines flying from Key Largo to San Diego

The chart below displays the airlines Cheapflights users traveling from Key Largo to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$97 $226 No cancel fee 62%
Spirit Airlines
$99 $253 No cancel fee 65%
United Airlines
$102 $272 No cancel fee 69%
American Airlines
$112 $367 No cancel fee 71%
Delta
$132 $291 No cancel fee N/A
JetBlue
$133 $333 No cancel fee 62%

Hourly flight availability from Key Largo to San Diego

See what time of day planes typically take off from Key Largo towards San Diego.
Evening 6 PM to midnight 73% of Key Largo to SAN departures
Early morning Midnight to 6 AM 18% of Key Largo to SAN departures
Afternoon Noon to 6 PM 9% of Key Largo to SAN departures
Morning 6 AM to noon 0% of Key Largo to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Key Largo to San Diego
See how many times per day planes take to the skies headed from Key Largo to San Diego.
Sunday
3 daily flights
Monday
3 daily flights
Tuesday
3 daily flights
Wednesday
3 daily flights
Thursday
3 daily flights
Friday
3 daily flights
Saturday
3 daily flights
Home North America USA California San Diego Cheap flights from Key Largo to San Diego