493 € Cheap Flights from Dublin to San Diego

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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 to San Diego? 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 April.

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 found493 €
Cheapest month to flyApril

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 493 €. 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 493 €.
As of February 2026, there are no flights flying from Dublin to San Diego.
The cheapest month to fly from Dublin to San Diego is usually April.
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 493 €.
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, 13 April 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 February, the average temperature is usually around 13°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, Icelandair offers the cheapest flight tickets to San Diego.

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

  • San Diego is seven hours behind Dublin, where Dublin Airport is located. San Diego observes the UTC-7 timezone.

  • To avoid rushing for your DUB to San Diego flight, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Heading away during a peak time like a bank holiday? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

  • We make it simple to book plane tickets from DUB to San Diego with a stopover. To see all the options, deselect 'Direct flights only.' Next, pick a flight offering a stop long enough to tour the city of your choice. Major stopovers include:

    • Denver International Airport (DEN)

    • London Heathrow Airport (LHR)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

  • DUB is around 8 kilometres from central Dublin. If you're ride-sharing, driving or catching a cab from the centre, it'll take 30 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 2 hours 10 minutes.

  • Have an early flight from Dublin Airport to San Diego? Avoid rushing to the airport (and catch some extra z's) by choosing one of these stays close to DUB:

  • 72.87% of flights that take off from Dublin Airport make it to their destination on time.

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

  • The lowest price we've found for a one-way Dublin Airport to San Diego flight is 229 €. The cheapest price for a return flight is 493 €. Keep in mind fares may change due to demand at the time of booking.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from DUB to San Diego if you book ahead. Airlines often have some amazing early bird rates.

  • If you have flexibility with your travel plans, take advantage of the 'Whole month' tool. It'll find the cheapest price across each month when looking for your Dublin Airport to San Diego ticket.

  • There's no need to keep checking in to see if fares have dropped when you create a Price Alert. We'll update you when there's an extra saving on cheap flights from DUB to San Diego.

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

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to the centre of San Diego takes around 10 minutes by car. The centre is roughly 5 kilometres away.

  • Travelling to the centre by public transport takes about 20 minutes.

  • Book a hotel near SAN if you have a late flight from Dublin Airport to San Diego. Settle into one of these options and make your first night all about rest:

  • Grab a San Diego International Airport rental car and explore San Diego and beyond with your own wheels. Thrifty, Dollar and Budget are popular outlets to choose from here.

  • For the best deal, reserve your vehicle from San Diego International Airport around two weeks ahead of your flight from DUB to San Diego.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is roughly 56 kilometres from the centre of San Diego. Once you've disembarked your flight from Dublin Airport to San Diego, it'll take you around 40 minutes to reach the heart of the city in a ride-share or cab.

  • If you travel by public transport, you'll reach the centre in 2 hours 15 minutes or so.

  • After stepping off your DUB to San Diego flight, rest your head at a hotel close to CLD. These are some great options that'll help you sink into relaxation mode:

  • Forget about inconvenient public transport timetables or waiting in a long cab line. Pick up a McClellan-Palomar Airport rental car and take your trip in whatever direction you choose. Check out the availability and rates from Budget, Hertz and Avis.

  • Lock in the vehicle you want, not just whatever's left, by reserving your ride from CLD in advance. You can also avoid last-minute price hikes, especially during busy airport times.

Best time to go to San Diego

  • Carefully consider your travel dates before securing your flight from Dublin Airport to San Diego. The city buzzes in peak season, but hotel prices are generally higher and attractions can be crowded. Visit San Diego in the off-season if you prefer a quieter vibe.

  • Lock in a Dublin Airport to San Diego plane ticket with a departure in August if you're eager to explore the city during its warmest month. Expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • If you want cooler conditions, look for a cheap ticket from DUB to San Diego in February when temperatures average between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

Explore more of United States

  • San Diego has plenty going for it, but there are so many other corners of United States just waiting to be explored. Around 177 kilometres north-west of San Diego, a trip to Los Angeles will keep you on the go. Start with attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're ready to explore another corner of United States, head for Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are key highlights.

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