Find flights
When to book
FAQs

Cheap flights from Dublin to San Diego from £330

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to San Diego
Explore the most affordable flight options available from Dublin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Thu 7/511:30
DUB
-
SAN
1 stop16h 30m
JetBlue
Mon 11/510:25
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 22/3£526
Thu 23/410:40
DUB
-
SAN
1 stop16h 45m
JetBlue
Wed 6/520:30
SAN
-
DUB
1 stop27h 50m
JetBlue
Deal found 20/3£577
Wed 6/511:40
DUB
-
SAN
1 stop16h 24m
JetBlue
Wed 13/510:25
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 21/3£584
Thu 7/511:30
DUB
-
SAN
1 stop16h 34m
JetBlue
Thu 14/510:25
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 23/3£592
Tue 29/1208:50
DUB
-
SAN
1 stop15h 20m
British Airways
Tue 12/113:58
SAN
-
DUB
2 stops16h 22m
British Airways
Deal found 21/3£625
Thu 23/415:30
DUB
-
SAN
1 stop31h 25m
British Airways
Wed 6/516:45
SAN
-
DUB
1 stop13h 50m
British Airways
Deal found 20/3£654
Mon 20/420:30
DUB
-
SAN
1 stop26h 25m
British Airways
Tue 5/519:40
SAN
-
DUB
1 stop15h 50m
British Airways
Deal found 23/3£658
Thu 9/409:30
DUB
-
SAN
1 stop16h 35m
Finnair
Sun 26/409:12
SAN
-
DUB
1 stop16h 33m
Finnair
Deal found 19/3£659
Sun 3/509:40
DUB
-
SAN
2 stops21h 53m
Multiple Airlines
Sun 10/519:40
SAN
-
DUB
1 stop15h 55m
Multiple Airlines
Deal found 19/3£662
Thu 9/409:30
DUB
-
SAN
1 stop16h 35m
Finnair
Mon 27/409:12
SAN
-
DUB
1 stop16h 33m
Finnair
Deal found 20/3£666

Find flight deals from Dublin to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 March 2026.

Round-trip from

£526

One-way from

£520

Popular in

July

Cheapest in

May

Average price

£666
JetBlue
  • JetBlue
  • 23/4-6/5
  • 2 total stops
  • 31h 20m total
  • Dublin to San Diego
Search Deals
Finnair
  • Finnair
  • 30/5
  • 1 total stop
  • 22h 09m total
  • Dublin to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 March 2026.
Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 7/5

11:30-20:00

1 stop16h 30m

San Diego

Mon 11/5

10:25-09:00

1 stop14h 35m

£526

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 9/4

09:30-18:05

1 stop16h 35m

San Diego

Mon 27/4

09:12-09:45

1 stop16h 33m

£659

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 9/4

09:30-18:05

1 stop16h 35m

San Diego

Sun 26/4

09:12-09:45

1 stop16h 33m

£659

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 6/5

09:40-23:33

2 stops21h 53m

San Diego

Wed 13/5

09:12-09:45

1 stop16h 33m

£668

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 9/4

13:00-23:56

2 stops18h 56m

San Diego

Sun 26/4

19:40-07:45

1 stop28h 05m

£676

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 9/4

05:55-11:50

1 stop13h 55m

San Diego

Sun 26/4

06:25-08:20

2 stops17h 55m

£684

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 23/4

05:55-15:55

2 stops18h 00m

San Diego

Wed 6/5

15:15-18:25

2 stops19h 10m

£684

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 8/4

13:25-11:50

1 stop30h 25m

San Diego

Sun 26/4

07:15-09:15

1 stop18h 00m

£686

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 14/5

11:10-20:39

2 stops17h 29m

San Diego

Thu 28/5

06:15-09:15

2 stops19h 00m

£690
Cheapest one-way
Fastest single journey

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 8/5

11:30-20:00

1 stop16h 30m

£330

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Dublin to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Dublin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to San Diego

What is the cheapest month to book a flight from Dublin to San Diego?

Currently, September is the cheapest month in which you can book a flight from Dublin to San Diego (average of £381). Flying from Dublin to San Diego in July is currently the most expensive (average of £606). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Dublin to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Dublin to San Diego?

    A quick flight from Dublin to San Diego can take about 16h 30m. JetBlue provides one of the quickest options available for as low as £526. The distance from Dublin to San Diego is about 5194 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Dublin to San Diego that include hotel bookings?

    Yes. In addition to deals on Dublin to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to San Diego.

  • Can I find deals for business class flights from Dublin to San Diego?

    Yes. Cheapflights offers flight deals from Dublin to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Dublin to San Diego (average of £381). Flying from Dublin to San Diego in July is currently the most expensive (average of £606). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to San Diego?

Deals for Dublin to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Dublin to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to San Diego with no change fees?

Certainly. Search results for flights to San Diego from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dublin to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Dublin today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.