Cheap flights from San Diego (SAN) to San Juan (SJU)

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The best prices from San Diego to San Juan are usually found in August or September, booked 0 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

How to find the cheapest flight from
San Diego (SAN) to San Juan (SJU)

All the information you need to plan the best SAN to SJU flight in 2021: compare San Diego to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.
SAN - PR1
Price
$300 - $704
PR1
Temperature
82.4 - 89.6 °F
PR1
Rainfall
1.3 - 5.8 inches

Popular in

December

High demand for flights, 42% potential price rise

Cheapest in

August

Best time to find cheap flights, 27% potential price drop

Round-trip from

$300

From San Diego to San Juan

One-way from

$179

One-way flight from San Diego to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Diego to San Juan?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save up to 7% on this flight, we recommend booking at least 19 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Diego to San Juan from $262 1-2 weeks out and tickets from $281 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Diego to San Juan?

Flights from San Diego to San Juan lean towards being more expensive in December. Prices are generally better when you fly from San Diego to San Juan in August, with the cheapest ticket starting at $121.

When is the cheapest time to fly from San Diego to San Juan (SAN - PR1)?

It’s typically best to fly out from San Diego to San Juan in the afternoon. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from San Diego to San Juan in May, June 2021

The best prices found for SAN to SJU flights for May, June
11 May - 15 May
$243pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
SAN
San Diego
11 May - 18 May
$269pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
     
3 STOPS
SAN
San Diego
11 May - 18 May
$276pp
SAN
San Diego
Frontier
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
   
2 STOPS
SAN
San Diego

San Diego to San Juan 2021 flight deals

Cheap flights to San Juan from San Diego found for this year
11 May - 15 May
$243pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
SAN
San Diego
11 May - 18 May
$269pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
     
3 STOPS
SAN
San Diego
11 May - 18 May
$276pp
SAN
San Diego
Frontier
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
   
2 STOPS
SAN
San Diego

Last minute flights from San Diego to San Juan

Late deals on round-trip flights to San Juan from San Diego, departing today and this week
11 May - 15 May
$243pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
SAN
San Diego
11 May - 18 May
$269pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
     
3 STOPS
SAN
San Diego
11 May - 18 May
$276pp
SAN
San Diego
Frontier
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
   
2 STOPS
SAN
San Diego

One-way flights to San Juan from San Diego

The cheapest one-way flights from San Diego to San Juan
5:59 am - 10:29 am
Frontier
2 Stops
25h 30m
SAN - SJU
Frontier
$179
Kiwi.com
4:00 am - 4:11 pm
United Airlines
1 Stop
9h 11m
SAN - SJU
United Airlines
$212
United
7:35 am - 8:55 pm
JetBlue
1 Stop
10h 20m
SAN - SJU
JetBlue

Related info for your journey

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

Flight FAQs

From San Diego to San Juan

Are flight prices decreasing from San Diego to San Juan 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 San Diego and San Juan 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.

What safety measures are being taken by airlines flying from San Diego to San Juan to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from San Diego to San Juan are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

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

What airport do you fly from for flights from San Diego to San Juan?

San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to San Juan. You should not have trouble finding flights to San Juan from San Diego; the airport handles an average of 0 outbound flights to San Juan per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the San Diego airport to San Juan. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

Can I find flights from San Diego to San Juan for under $300 on Cheapflights?

Yes, there are multiple flights from San Diego to San Juan for under $300. The cheapest flight booked recently is on Multiple Airlines for just $243, but on average you can expect to pay $300.

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

There are no nonstop flights from San Diego to San Juan, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from San Diego to San Juan for under $300?

There are currently 20+ open flights from San Diego to San Juan within the next 7 days for less than $300.

Is San Diego weather warmer or cooler than San Juan?

Expect the weather to be around 90 °F on average in June. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Juan is generally hotter than in San Diego.

How long is the flight from San Diego to San Juan?

United Airlines, American Airlines, and Frontier can get you from San Diego to San Juan in just under 8h 15m. Your travel time can differ by up to 8h 34m. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Diego to San Juan round-trip?

Frontier, at $276, was found to be the cheapest airline from San Diego to San Juan.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. Frontier is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $137. Frontier flights start at $143 while deals on American Airlines start at $168 one-way.

Alternative routes for San Diego to San Juan

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

Destination information for San Juan

Things to know before you go - useful duration and weather info for your trip from San Diego to San Juan.
Today's exchange rate
$1 = $1.00
Average temperature for May in San Juan
87.8 °F
Avg rainfall for May in San Juan
3.6 ″

Airports servicing San Diego

Airports servicing San Juan

San Juan Isla Grande (SIG)

Top 6 airlines flying from San Diego to San Juan

The chart below displays the airlines Cheapflights users traveling from San Diego to San Juan 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
$178 $335 No cancel fee 62%
Spirit Airlines
$275 $449 No cancel fee 65%
Delta
$174 $456 No cancel fee N/A
JetBlue
$182 $471 No cancel fee 62%
United Airlines
$179 $477 No cancel fee 69%
American Airlines
$174 $530 No cancel fee 71%
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