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255 € Cheap Flights from San Juan to San Diego

Compare San Juan to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

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Flight deals from San Juan to San Diego

Looking for a cheap last-minute deal or the best return flight from San Juan to San Diego? If you want to travel next month, return fares start from 283 €. Find the lowest prices on one-way and return tickets right here.
San Diego.255 € per passenger.Departing Tue, 28 Apr, returning Sat, 2 May.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 28 Apr, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Sat, 2 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 255 €, select.
San Diego.272 € per passenger.Departing Mon, 4 May, returning Sat, 9 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Mon, 4 May, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Sat, 9 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 272 €, select.
San Diego.283 € per passenger.Departing Thu, 16 Apr, returning Wed, 22 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 16 Apr, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 22 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 283 €, select.
San Diego.337 € per passenger.Departing Thu, 28 May, returning Thu, 4 Jun.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 28 May, arriving in San Diego International.Inbound indirect flight with Southwest Airlines, departs from San Diego International on Thu, 4 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 337 €, select.
San Diego.372 € per passenger.Departing Sat, 5 Sep, returning Sat, 12 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Sat, 5 Sep, arriving in San Diego International.Inbound indirect flight with Southwest Airlines, departs from San Diego International on Sat, 12 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 372 €, select.
San Diego.388 € per passenger.Departing Thu, 11 Jun, returning Mon, 15 Jun.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 11 Jun, arriving in San Diego International.Inbound indirect flight with Southwest Airlines, departs from San Diego International on Mon, 15 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 388 €, select.
San Diego.390 € per passenger.Departing Thu, 16 Jul, returning Sun, 26 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 16 Jul, arriving in San Diego International.Inbound indirect flight with Southwest Airlines, departs from San Diego International on Sun, 26 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 390 €, select.
San Diego.397 € per passenger.Departing Wed, 26 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 26 Aug, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 1 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 397 €, select.
San Diego.410 € per passenger.Departing Wed, 12 Aug, returning Mon, 17 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 12 Aug, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 17 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 410 €, select.
San Diego.455 € per passenger.Departing Mon, 30 Mar, returning Fri, 3 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Mon, 30 Mar, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 3 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 455 €, select.
San Diego.466 € per passenger.Departing Thu, 12 Nov, returning Sat, 12 Dec.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Thu, 12 Nov, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Sat, 12 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 466 €, select.
San Diego.549 € per passenger.Departing Fri, 20 Mar, returning Fri, 27 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 20 Mar, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 27 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 549 €, select.
San Diego.814 € per passenger.Departing Tue, 29 Dec, returning Wed, 6 Jan.Return flight with United.Outbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 29 Dec, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Wed, 6 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 814 €, select.

Find the cheapest month to fly from San Juan to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan to San Diego flights are currently cheapest in May.
Mar
from 549 €
Apr
from 283 €
May
from 272 €
Jun
from 388 €
Jul
from 390 €
Aug
from 410 €
Sep
from 372 €
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
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Alternative San Juan to San Diego routes

Looking for the cheapest, fastest or easiest route from San Juan to San Diego? You could fly into the following airports instead.

San Diego International

4km from central San Diego
ClosestCheapest
from 255 €
Search flights

McClellan-Palomar

48km from central San Diego
Search flights

San Juan to San Diego: Flight information

The things to know before you go.
Cheapest flight found255 €
Cheapest month to flyApril

Check out these San Diego hotels

Ready to plan your stay? Other travellers rate these San Diego hotels for cleanliness, service and location.
City24 Hotel Little Italy Mission Hills
3.19 km from city centre
€232
Per night
Orli La Jolla
18.87 km from city centre
€522
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ITH San Diego Mission Beach Backpacker Hostel
11.49 km from city centre
€130
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City24 Hotel Little Italy Mission Hills
3.19 km from city centre
€232
Per night
Orli La Jolla
18.87 km from city centre
€522
Per night
ITH San Diego Mission Beach Backpacker Hostel
11.49 km from city centre
€130
Per night
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Finding cheap flights from San Juan to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from San Juan to San Diego is 255 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Juan to San Diego. But we found flights with one or more stops from 255 €.
As of March 2026, there are no flights flying from San Juan to San Diego.
The cheapest month to fly from San Juan to San Diego is usually April.
If you're flying from San Juan, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from 255 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to San Diego on Tuesday, 28 April 2026.
No airlines currently offer direct flights between San Juan and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 14°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
The cheapest airline that flies to San Diego is United .

Flying from San Juan to San Diego: what you need to know

  • Luis Munoz Marin International Airport (SJU) is San Juan's main airport. Explore your options for booking a flight from San Juan to San Diego leaving from here.

  • San Diego International Airport (SAN) is the primary point of entry to San Diego.

  • San Diego's timezone is UTC-7, making San Diego three hours behind San Juan.

  • To ensure you don't miss your San Juan to San Diego flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • Flying during a peak month like July? Public holidays and other popular seasons can lead to longer queues and delays at security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

How to find the cheapest flights from San Juan to San Diego

  • To pick up cheap San Juan to San Diego flights, book in advance. Airlines typically offer lower prices when tickets are first released.

  • Getting cheap plane tickets from San Juan to San Diego is easier if you're flexible with your dates. Try using the 'Whole month' function to see the lowest prices across the month and pick up an incredible deal.

  • Stay on top of deals for cheap flights from San Juan to San Diego by creating a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your San Juan to San Diego flight results by 'Best,' 'Fastest' or 'Cheapest.'

Flying from San Juan

Luis Munoz Marin International Airport (SJU)

  • We make it easy to find a San Juan to San Diego flight with a stopover. To see your options leaving from Luis Munoz Marin International Airport, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to explore your chosen city. Popular stopovers include:

    • Denver International Airport (DEN)

    • George Bush Intercontinental Airport (IAH)

    • Jacksonville International Airport (JAX)

  • SJU is about 6 kilometres from central San Juan. If you're ride-sharing, driving or catching a cab from the centre, it'll take 10 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 55 minutes.

  • Planning to catch an early flight from San Juan to San Diego? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels near Luis Munoz Marin International Airport:

  • Of all flights leaving Luis Munoz Marin International Airport, 73.65% touch down on time at their destination.

Arriving in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is approximately 5 kilometres from central San Diego. If you're catching a cab or a ride-share, the drive takes around 10 minutes.

  • When travelling by public transport, expect a journey time of roughly 20 minutes.

  • If you're arriving on a late flight from San Juan to San Diego, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these hotels near SAN:

  • Grab a San Diego International Airport rental car and discover San Diego and beyond with your own set of wheels. Thrifty, Dollar and Budget are top outlets you can book with here.

  • Lock in the best possible rate by reserving your vehicle from San Diego International Airport about two weeks before your departure date.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is about 48 kilometres from the centre of San Diego. Once you've disembarked your flight from San Juan to San Diego, it'll take you approximately 40 minutes to get to the heart of the city in a cab or ride-share.

  • If you choose to travel on public transport, the journey will take you 2 hours 15 minutes or so.

  • The fastest way to reach your destination is with a McClellan-Palomar Airport rental car. Collect a set of wheels from Budget, Hertz or Avis and get going in the blink of an eye.

  • Typically, the earlier you book, the better the prices and selection of vehicles. Lock in your ride from CLD as soon as your plans are confirmed.

Best time to go to San Diego

  • May is the quietest month for flights from San Juan to San Diego, while July is the most popular. Pick the best time to visit San Diego based on whether you like a laid-back vibe or a lively atmosphere.

  • Book a San Juan to San Diego ticket departing in August if you're eager to experience the city during its warmest month. Expect temperatures in San Diego to range from 17ºC (63ºF) to 28ºC (82ºF).

  • Look for cheap flights from San Juan to San Diego in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 7ºC (45ºF) and 23ºC (73ºF) on average.

More about San Diego

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in San Diego right here. Browse these hotels once you've booked your flight from San Juan to San Diego:

  • There are so many things to discover in this city it can be tricky to work out where to begin. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are major attractions which should be on any well-planned San Diego itinerary.

Explore more of United States

  • You've seen San Diego, now it's time to discover more of United States. Travel about 177 kilometres north-west to Los Angeles to check off its leading attractions. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a full itinerary ahead.

  • Phoenix is another well-known destination in United States and is around 483 kilometres east of San Diego. No journey is complete without visiting Desert Botanical Garden, Heard Museum and Papago Park.

Plan the rest of your trip from San Juan to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.