Cheap flights from Key Largo to San Diego (SAN)

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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 2021: 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
66.2 - 80.6 °F
SAN
Precipitation
0 - 2.8 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

$77

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.
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.

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.

Cheap flights from Key Largo to San Diego in September, October 2021

The best prices found for Key Largo to SAN flights for September, October
5 Oct - 12 Oct
$101pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
5 Oct - 12 Oct
$103pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
28 Sep - 9 Oct
$105pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami

Key Largo to San Diego 2021 flight deals

Cheap flights to San Diego from Key Largo found for this year
4 Dec - 11 Dec
$67pp
MIA
Miami
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
MIA
Miami
4 Dec - 11 Dec
$68pp
MIA
Miami
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
MIA
Miami
4 Dec - 6 Dec
$88pp
MIA
Miami
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
MIA
Miami

Non-stop flights to San Diego from Key Largo

Save time with Key Largo to San Diego direct flight deals
9 Oct - 17 Oct
$153pp
MIA
Miami
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
MIA
Miami
9 Oct - 16 Oct
$170pp
MIA
Miami
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
MIA
Miami
24 Sep - 28 Sep
$187pp
MIA
Miami
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
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
28 Sep - 9 Oct
$105pp
MIA
Miami
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
MIA
Miami
28 Sep - 5 Oct
$123pp
MIA
Miami
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
MIA
Miami
28 Sep - 2 Oct
$128pp
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
4:47 pm - 6:59 pm
American Airlines
Nonstop
5h 12m
MIA - SAN
American Airlines
1:00 pm - 5:49 pm
United Airlines
1 Stop
7h 49m
MIA - SAN
United Airlines
$78
United
4:59 pm - 7:53 am
Spirit Airlines
3 Stops
41h 54m
MIA - SAN
Spirit Airlines
$79
Gotogate

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.

Are flight prices decreasing from Key Largo to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Key Largo and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Key Largo to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Key Largo to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $67, but on average you can expect to pay $109.

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 $204.

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?

This flight path from Key Largo to San Diego 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?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $33. Frontier flights start at $62 while deals on American Airlines start at $77 one-way.

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 72 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 72 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 September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

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%
Delta
$132 $291 No cancel fee N/A
JetBlue
$133 $333 No cancel fee 62%
American Airlines
$112 $367 No cancel fee 71%

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 62% of Key Largo to SAN departures
Morning 6 AM to noon 29% of Key Largo to SAN departures
Afternoon Noon to 6 PM 8% of Key Largo to SAN departures
Early morning Midnight to 6 AM 1% 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
4 daily flights
Tuesday
3 daily flights
Wednesday
3 daily flights
Thursday
4 daily flights
Friday
4 daily flights
Saturday
3 daily flights
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