Cheap Flights from Dublin to San Diego

Compare Dublin 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 Dublin to San Diego

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to San Diego? If you want to travel next month, return fares start from R 10,773. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dublin to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to San Diego flights are currently cheapest in September.

Alternative Dublin to San Diego routes

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

Dublin to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 6,036
Cheapest month to flySeptember

Finding cheap flights from Dublin 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 Dublin to San Diego is R 10,587. 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 Dublin to San Diego. But we found flights with one or more stops from R 10,587.
As of July 2026, there are no flights flying from Dublin to San Diego.
The cheapest month to fly from Dublin to San Diego is usually August.
If you're flying from Dublin Airport, 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 R 10,587.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to San Diego on Monday, 17 August 2026.
No airlines currently offer direct flights between Dublin Airport 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 July, the average temperature is usually around 22°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.
Currently, WestJet offers the cheapest flight tickets to San Diego.

Flying from Dublin Airport (DUB) to San Diego: what you need to know

  • Dublin Airport is located in Dublin. Based in the UTC-8 timezone, San Diego is eight hours behind Dublin.

  • To avoid missing your DUB to San Diego flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • You can expect longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.

  • Think about adding a stopover to potentially find a cheaper plane ticket from DUB to San Diego. All you need to do is deselect 'Direct flights only' during your search. Break up your journey by stopping at one of these connecting airports:

    • Denver International Airport (DEN)

    • London Heathrow Airport (LHR)

    • Las Vegas Harry Reid International Airport (LAS)

  • DUB is about 8 kilometres from central Dublin. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 30 minutes.

  • Want a stress-free start to your holiday? Stay near DUB. Whether you have an early flight from Dublin Airport to San Diego or don't want departure day to feel hectic, these hotels are just the thing:

  • 77% of flights leaving from Dublin Airport land at their destination on schedule.

How to find the cheapest flights from Dublin Airport (DUB) to San Diego

  • R 6,036 is the lowest price we've found for a one-way Dublin Airport to San Diego flight. A round-trip plane ticket right now is R 10,587. Depending on how early you book and the availability, these fares could change.

  • Don't wait until the last minute. You're more likely to pick up cheap flights from DUB to San Diego if you book early. Airlines often offer some great early bird rates.

  • The 'Whole month' tool will show you the cheapest tickets from Dublin Airport to San Diego throughout the entire month. It's a great way to snap up a bargain if your trip dates aren't set in stone.

  • Locking in a cheap flight from DUB to San Diego is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll notify you as soon as a cheaper option becomes available.

  • Tailor your trip with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Dublin Airport to San Diego.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kilometres from the centre of San Diego. If you're opting for a ride-share or a taxi, the drive takes about 15 minutes.

  • It takes around 25 minutes to get there using public transport.

  • Look into staying at a hotel near SAN if you're coming in on a late flight from Dublin Airport to San Diego. Settle into one of these options and make your first night all about rest:

  • Lock in the best deal by booking your vehicle from San Diego International Airport about two weeks ahead of your flight from DUB to San Diego.

  • The address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is about 48 kilometres from central San Diego. Check out your options for heading into town after your flight from Dublin Airport to San Diego has touched down.

  • You'll find some comfortable places to drop your things at near CLD. Unwind and get cosy after your DUB to San Diego flight at any of these well-located options:

  • Avoid filling out forms at the rental desk by having everything prearranged. Reserve your ride from CLD a few weeks in advance so you can just get the keys and go.

Best time to go to San Diego

  • July is the busiest month for flights from Dublin Airport to San Diego. To escape the crowds, plan your trip to San Diego in December.

  • Lock in a Dublin Airport to San Diego plane ticket with a departure in August to experience the city during its warmest month. You can expect temperatures to range from 16ºC (61ºF) to 27ºC (81ºF).

  • Search for cheap tickets from DUB to San Diego in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 22ºC (72ºF) on average.

More about San Diego

Explore more of the United States

  • You've seen San Diego, now it's time to explore other parts of the United States. Travel about 177 kilometres northwest to Los Angeles to tick off its top attractions. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, your itinerary will be busy.

  • Phoenix is another essential stop in the United States and is around 483 kilometres east of San Diego. No trip is complete without a visit to Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.