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Cheap flights from Ireland to San Diego from £381

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
2 Jun — 9 Jun1
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 3 May 2026.

Tue 30/611:30
DUB
-
SAN
1 stop15h 32m
JetBlue
Mon 13/710:20
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 2/5£540
Mon 6/711:30
DUB
-
SAN
1 stop15h 30m
JetBlue
Mon 13/710:20
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 2/5£563
Tue 30/611:30
DUB
-
SAN
1 stop15h 32m
JetBlue
Wed 15/710:20
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 2/5£580
Sat 7/1120:40
DUB
-
SAN
1 stop27h 25m
British Airways
Sat 14/1118:00
SAN
-
DUB
1 stop15h 40m
British Airways
Deal found 30/4£586
Thu 29/1019:05
DUB
-
SAN
2 stops35h 40m
Scandinavian Airlines
Tue 17/1115:59
SAN
-
DUB
2 stops18h 21m
Scandinavian Airlines
Deal found 30/4£593
Mon 6/711:30
DUB
-
SAN
1 stop15h 30m
JetBlue
Wed 15/710:20
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 2/5£602
Sat 31/1020:40
DUB
-
SAN
1 stop27h 25m
British Airways
Tue 17/1112:43
SAN
-
DUB
2 stops17h 37m
British Airways
Deal found 30/4£608
Tue 16/611:30
DUB
-
SAN
1 stop15h 32m
JetBlue
Tue 23/610:20
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 2/5£610
Wed 25/1110:20
DUB
-
SAN
2 stops19h 38m
British Airways
Thu 3/1218:00
SAN
-
DUB
1 stop17h 50m
British Airways
Deal found 29/4£612
Wed 18/1110:20
DUB
-
SAN
2 stops19h 38m
British Airways
Wed 2/1218:00
SAN
-
DUB
1 stop17h 45m
British Airways
Deal found 29/4£613
Sat 23/505:55
DUB
-
SAN
1 stop13h 55m
Delta
Sat 6/606:15
SAN
-
DUB
2 stops19h 45m
Delta
Deal found 1/5£614

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 3 May 2026.

Round-trip from

£540

One-way from

£381

Popular in

April

Cheapest in

May

Average price

£572
JetBlue
  • JetBlue
  • 3/7-13/7
  • 2 total stops
  • 29h 32m total
  • Ireland to San Diego
Search Deals
12/6
  • 12/6
  • 3 total stops
  • 40h 54m total
  • Ireland to San Diego
Search Deals
High demand for flights, 1% potential price rise
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 May 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 3 May 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

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/10

19:05-23:45

2 stops35h 40m

San Diego

Tue 17/11

15:59-18:20

2 stops18h 21m

£593

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 23/5

05:55-11:50

1 stop13h 55m

San Diego

Sat 6/6

06:15-10:00

2 stops19h 45m

£614

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 3/6

05:55-18:45

2 stops20h 50m

San Diego

Mon 8/6

06:15-08:45

1 stop18h 30m

£618

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 12/6

12:00-20:55

1 stop16h 55m

San Diego

Sat 27/6

06:15-10:00

1 stop19h 45m

£625
Fastest return journey

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/10

08:50-17:10

1 stop15h 20m

San Diego

Tue 17/11

18:00-17:00

1 stop15h 00m

£709

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 27/8

06:00-17:00

2 stops19h 00m

San Diego

Wed 16/9

06:40-09:45

1 stop19h 05m

£739

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 21/5

05:55-11:50

1 stop13h 55m

San Diego

Sat 6/6

06:30-10:00

2 stops19h 30m

£742

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 24/5

05:55-18:01

2 stops20h 06m

San Diego

Sat 6/6

22:15-10:00

1 stop27h 45m

£747

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 22/5

05:55-15:56

2 stops18h 01m

San Diego

Sat 6/6

06:15-10:00

2 stops19h 45m

£748

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 12/6

08:55-19:16

2 stops18h 21m

San Diego

Fri 19/6

22:15-10:00

1 stop27h 45m

£748

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 18 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?

    Scandinavian Airlines, Delta, and British Airways can get you from Ireland to San Diego in just under 13h 55m. Your travel time can differ by up to 21h 45m. 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
El Cajon

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Alternative routes for Ireland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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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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