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Cheap flights from Dublin to San Diego from £448

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
6 Mar — 13 Mar1
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 4 February 2026.

Thu 16/409:30
DUB
-
SAN
1 stop16h 35m
Multiple Airlines
Tue 28/419:40
SAN
-
DUB
1 stop15h 10m
Multiple Airlines
Deal found 2/2£507
Mon 13/409:30
DUB
-
SAN
1 stop16h 35m
Finnair
Sun 26/409:12
SAN
-
DUB
1 stop16h 33m
Finnair
Deal found 3/2£513
Tue 21/408:35
DUB
-
SAN
1 stop17h 15m
Multiple Airlines
Tue 5/509:12
SAN
-
DUB
1 stop16h 33m
Multiple Airlines
Deal found 2/2£515
Sat 21/205:55
DUB
-
SAN
1 stop14h 10m
Delta
Sat 7/306:30
SAN
-
DUB
2 stops18h 15m
Delta
Deal found 3/2£568
Mon 9/205:55
DUB
-
SAN
2 stops21h 13m
Delta
Tue 24/209:50
SAN
-
DUB
2 stops21h 55m
Delta
Deal found 2/2£570
Thu 19/205:55
DUB
-
SAN
2 stops20h 21m
Delta
Thu 5/307:20
SAN
-
DUB
2 stops16h 25m
Delta
Deal found 3/2£572
Thu 16/405:55
DUB
-
SAN
2 stops18h 00m
Delta
Tue 28/415:15
SAN
-
DUB
2 stops19h 10m
Delta
Deal found 2/2£617
Fri 13/1113:25
DUB
-
SAN
1 stop30h 40m
Delta
Wed 25/1110:00
SAN
-
DUB
2 stops21h 45m
Delta
Deal found 2/2£617
Fri 24/411:10
DUB
-
SAN
2 stops17h 30m
Delta
Thu 7/507:20
SAN
-
DUB
1 stop17h 55m
Delta
Deal found 2/2£619
Sat 21/209:30
DUB
-
SAN
2 stops19h 21m
United Airlines
Sat 7/307:55
SAN
-
DUB
2 stops15h 35m
United Airlines
Deal found 3/2£629
Mon 13/411:10
DUB
-
SAN
2 stops17h 30m
Delta
Sun 26/407:20
SAN
-
DUB
2 stops17h 55m
Delta
Deal found 3/2£633

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 4 February 2026.

Round-trip from

£507

One-way from

£448

Popular in

January

Cheapest in

May

Average price

£568
16/4-28/4
  • 16/4-28/4
  • 2 total stops
  • 31h 45m total
  • Dublin to San Diego
Search Deals
Finnair
  • Finnair
  • 28/5
  • 1 total stop
  • 20h 25m total
  • Dublin to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 4 February 2026.
Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

Fly from

Dublin

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 16/4

09:30-18:05

1 stop16h 35m

San Diego

Tue 28/4

19:40-18:50

1 stop15h 10m

£507

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 13/4

09:30-18:05

1 stop16h 35m

San Diego

Sun 26/4

09:12-09:45

1 stop16h 33m

£513

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 21/4

08:35-17:50

1 stop17h 15m

San Diego

Tue 5/5

09:12-09:45

1 stop16h 33m

£515

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 21/2

05:55-12:05

1 stop14h 10m

San Diego

Sat 7/3

06:30-08:45

2 stops18h 15m

£568

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 2/3

13:25-12:05

1 stop30h 40m

San Diego

Mon 9/3

13:02-08:45

1 stop12h 43m

£568

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 19/2

05:55-18:16

2 stops20h 21m

San Diego

Thu 5/3

07:20-07:45

2 stops16h 25m

£572

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 16/4

05:55-15:55

2 stops18h 00m

San Diego

Tue 28/4

15:15-18:25

2 stops19h 10m

£617

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 28/5

09:30-21:55

1 stop20h 25m

£448

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 18/6

09:30-21:55

1 stop20h 25m

£452

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 7/6

08:35-14:55

1 stop14h 20m

£502

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 16 results
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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, June is the cheapest month in which you can book a flight from Dublin to San Diego (average of £355). Flying from Dublin to San Diego in July is currently the most expensive (average of £592). 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 14h 10m. Finnair provides one of the quickest options available for as low as £568. 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, June is the cheapest month in which you can book a flight from Dublin to San Diego (average of £355). Flying from Dublin to San Diego in July is currently the most expensive (average of £592). 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

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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.

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