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Cheap flights from Dublin to San Diego from £342

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
30 Jul — 6 Aug1
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 30 June 2026.

Thu 20/811:30
DUB
-
SAN
1 stop31h 22m
JetBlue
Wed 2/920:17
SAN
-
DUB
1 stop28h 03m
JetBlue
Deal found 26/6£522
Mon 17/810:40
DUB
-
SAN
1 stop16h 49m
JetBlue
Mon 31/813:06
SAN
-
DUB
1 stop35h 14m
JetBlue
Deal found 29/6£572
Fri 23/1009:40
DUB
-
SAN
2 stops31h 31m
Multiple Airlines
Mon 26/1019:00
SAN
-
DUB
1 stop15h 05m
Multiple Airlines
Deal found 25/6£641
Tue 8/1211:30
DUB
-
SAN
1 stop18h 14m
Iberia
Thu 31/1209:25
SAN
-
DUB
1 stop15h 05m
Iberia
Deal found 28/6£664
Tue 8/1213:25
DUB
-
SAN
2 stops18h 16m
British Airways
Thu 31/1218:00
SAN
-
DUB
1 stop17h 50m
British Airways
Deal found 28/6£667
Sat 15/810:40
DUB
-
SAN
1 stop16h 49m
JetBlue
Sat 29/820:40
SAN
-
DUB
1 stop27h 40m
JetBlue
Deal found 25/6£678
Mon 17/809:40
DUB
-
SAN
3 stops34h 13m
Multiple Airlines
Mon 31/812:30
SAN
-
DUB
1 stop14h 15m
Multiple Airlines
Deal found 29/6£722
Thu 23/709:30
DUB
-
SAN
1 stop21h 56m
Finnair
Thu 30/709:50
SAN
-
DUB
1 stop15h 55m
Finnair
Deal found 25/6£735
Fri 23/1006:05
DUB
-
SAN
2 stops19h 21m
Lufthansa
Mon 26/1014:08
SAN
-
DUB
2 stops19h 22m
Lufthansa
Deal found 25/6£741

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 30 June 2026.

Round-trip from

£522

One-way from

£342

Popular in

April

Cheapest in

October

Average price

£746
JetBlue
  • JetBlue
  • 20/8-2/9
  • 2 total stops
  • 59h 25m total
  • Dublin to San Diego
Search Deals
JetBlue
  • JetBlue
  • 13/8
  • 1 total stop
  • 16h 49m total
  • Dublin to San Diego
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 30 June 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

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 20/8

11:30-10:52

1 stop31h 22m

San Diego

Wed 2/9

20:17-08:20

1 stop28h 03m

£522

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 8/12

08:45-20:15

2 stops19h 30m

San Diego

Thu 31/12

10:42-11:15

2 stops16h 33m

£695

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 23/7

09:30-23:26

1 stop21h 56m

San Diego

Thu 30/7

09:50-09:45

1 stop15h 55m

£735

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 17/8

08:55-20:16

2 stops19h 21m

San Diego

Tue 1/9

06:15-10:00

2 stops19h 45m

£788

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 20/8

05:55-15:56

2 stops18h 01m

San Diego

Sat 5/9

06:29-07:55

2 stops17h 26m

£788

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 23/7

05:55-15:08

2 stops17h 13m

San Diego

Thu 30/7

22:15-10:00

1 stop27h 45m

£789

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 15/8

12:15-08:36

2 stops52h 21m

San Diego

Sat 29/8

06:25-11:45

1 stop21h 20m

£806

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 15/8

09:20-18:30

2 stops17h 10m

San Diego

Sat 29/8

08:45-09:45

2 stops17h 00m

£837
Fastest return journey

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 15/8

11:35-20:34

2 stops16h 59m

San Diego

Sat 29/8

11:00-10:40

2 stops15h 40m

£839

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 26/7

11:35-19:51

2 stops16h 16m

San Diego

Sun 2/8

10:10-11:10

2 stops17h 00m

£839

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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

How much does it cost for a return flight from Dublin to San Diego?

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 19h 30m. JetBlue provides one of the quickest options available for as low as £695. 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.

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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