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Cheap flights from Ireland to San Diego from £340

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to San Diego
Explore the most affordable flight options available from Ireland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Thu 3/910:40
DUB
-
SAN
1 stop16h 16m
JetBlue
Sun 6/910:15
SAN
-
DUB
1 stop14h 05m
JetBlue
Deal found 24/7£518
Tue 1/911:30
DUB
-
SAN
1 stop15h 36m
JetBlue
Tue 8/920:15
SAN
-
DUB
1 stop28h 45m
JetBlue
Deal found 24/7£536
Thu 27/811:30
DUB
-
SAN
1 stop31h 22m
JetBlue
Sat 12/921:30
SAN
-
DUB
1 stop27h 30m
JetBlue
Deal found 21/7£551
Tue 8/911:30
DUB
-
SAN
1 stop29h 38m
JetBlue
Fri 25/921:30
SAN
-
DUB
1 stop27h 30m
JetBlue
Deal found 25/7£563
Thu 27/811:30
DUB
-
SAN
1 stop31h 22m
JetBlue
Fri 11/910:40
SAN
-
DUB
1 stop14h 20m
JetBlue
Deal found 21/7£569

Find flight deals from Ireland to San Diego

Keep the following information in mind while searching for Ireland to San Diego flight deals. Data was last updated 25 July 2026.

Round-trip from

£518

One-way from

£340

Popular in

April

Cheapest in

October

Average price

£717
JetBlue
  • JetBlue
  • 3/9-6/9
  • 2 total stops
  • 30h 21m total
  • Ireland to San Diego
Search Deals
JetBlue
  • JetBlue
  • 25/8
  • 1 total stop
  • 15h 36m total
  • Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£28 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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland 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 25 July 2026.
Use the filters below to find and compare flights from Ireland 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 3/9

10:40-18:56

1 stop16h 16m

San Diego

Sun 6/9

10:15-08:20

1 stop14h 05m

£611

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 27/8

09:40-23:47

2 stops22h 07m

San Diego

Fri 11/9

09:50-09:45

1 stop15h 55m

£704

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 28/8

11:35-18:30

1 stop14h 55m

San Diego

Fri 4/9

18:28-10:40

2 stops32h 12m

£718

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 30/12

05:45-18:46

2 stops21h 01m

San Diego

Thu 21/1

22:10-08:45

1 stop26h 35m

£722

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 18/10

05:55-18:02

2 stops20h 07m

San Diego

Sun 1/11

11:26-14:30

2 stops19h 04m

£723

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 29/8

05:55-18:14

2 stops20h 19m

San Diego

Fri 11/9

08:00-08:20

2 stops16h 20m

£746

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 7/9

08:55-19:19

2 stops18h 24m

San Diego

Wed 16/9

08:00-08:15

2 stops16h 15m

£747

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 19/12

12:05-22:32

2 stops18h 27m

San Diego

Mon 4/1

22:42-07:30

1 stop24h 48m

£750
Cheapest one-way

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 25/8

11:30-19:06

1 stop15h 36m

£340

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 1/10

10:40-19:25

1 stop16h 45m

£483

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ireland 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 Ireland to San Diego

No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to San Diego from Ireland?

    For a flight from Ireland to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

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

    JetBlue, Finnair, and Lufthansa can get you from Ireland to San Diego in just under 14h 55m. Your travel time can differ by up to 7h 12m. Ireland and San Diego are separated by a distance of 5194 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland 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

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Alternative routes for Ireland to San Diego

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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 Ireland to San Diego?

Cheapflights helps you search for flights from Ireland to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to San Diego from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to San Diego from Ireland 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 Ireland to San Diego become cheaper?

Yes, Cheapflights offers price alerts on Ireland to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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