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Cheap flights from Ireland to San Diego from £272

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
17 Jun — 24 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 18 May 2026.

Tue 15/911:30
DUB
-
SAN
1 stop16h 31m
JetBlue
Tue 22/920:20
SAN
-
DUB
1 stop28h 00m
JetBlue
Deal found 16/5£504
Mon 22/611:30
DUB
-
SAN
1 stop30h 34m
JetBlue
Mon 29/620:44
SAN
-
DUB
1 stop28h 16m
JetBlue
Deal found 17/5£545
Wed 27/513:25
DUB
-
SAN
1 stop30h 25m
KLM
Thu 4/606:15
SAN
-
DUB
1 stop19h 00m
KLM
Deal found 16/5£618
Tue 26/505:55
DUB
-
SAN
1 stop13h 55m
Multiple Airlines
Wed 3/610:53
SAN
-
DUB
1 stop13h 52m
Multiple Airlines
Deal found 16/5£619
Tue 1/1208:50
DUB
-
SAN
1 stop15h 20m
British Airways
Sun 6/1216:25
SAN
-
DUB
2 stops16h 25m
British Airways
Deal found 14/5£620
Sat 13/605:55
DUB
-
SAN
1 stop13h 55m
Delta
Mon 29/611:37
SAN
-
DUB
1 stop14h 23m
Delta
Deal found 17/5£621
Sat 23/505:55
DUB
-
SAN
1 stop13h 55m
Delta
Fri 5/606:15
SAN
-
DUB
2 stops19h 00m
Delta
Deal found 16/5£622
Tue 26/505:55
DUB
-
SAN
2 stops17h 02m
Multiple Airlines
Thu 4/606:15
SAN
-
DUB
1 stop19h 00m
Multiple Airlines
Deal found 16/5£624
Wed 27/511:10
DUB
-
SAN
2 stops19h 16m
Delta
Thu 4/606:15
SAN
-
DUB
2 stops18h 30m
Delta
Deal found 16/5£626
Tue 16/605:55
DUB
-
SAN
1 stop13h 55m
Delta
Tue 23/606:15
SAN
-
DUB
2 stops17h 40m
Delta
Deal found 14/5£627

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 18 May 2026.

Round-trip from

£504

One-way from

£272

Popular in

April

Cheapest in

October

Average price

£650
JetBlue
  • JetBlue
  • 15/9-22/9
  • 2 total stops
  • 44h 31m total
  • Ireland to San Diego
Search Deals
2/6
  • 2/6
  • 3 total stops
  • 42h 44m total
  • Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 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 18 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 28/5

05:55-11:50

1 stop13h 55m

San Diego

Thu 4/6

06:15-09:15

1 stop19h 00m

£619
Fastest return journey

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 28/5

05:55-11:50

1 stop13h 55m

San Diego

Wed 3/6

10:53-08:45

1 stop13h 52m

£619

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 28/5

11:10-20:39

2 stops17h 29m

San Diego

Fri 5/6

06:15-08:45

2 stops18h 30m

£626

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 22/6

05:55-15:56

2 stops18h 01m

San Diego

Mon 29/6

06:15-07:55

2 stops17h 40m

£630

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 10/6

05:55-18:08

2 stops20h 13m

San Diego

Wed 17/6

11:34-10:00

1 stop14h 26m

£632

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 25/9

11:30-20:01

1 stop16h 31m

San Diego

Mon 28/9

10:40-09:00

1 stop14h 20m

£657

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 25/6

11:10-22:38

2 stops19h 28m

San Diego

Thu 16/7

06:15-07:55

2 stops17h 40m

£691

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 15/6

12:00-10:43

1 stop30h 43m

San Diego

Thu 25/6

11:53-12:40

2 stops16h 47m

£704

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 25/9

09:20-18:40

2 stops17h 20m

San Diego

Mon 28/9

11:00-09:45

2 stops14h 45m

£760

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 29/5

09:20-18:30

2 stops17h 10m

San Diego

Mon 1/6

10:34-09:45

1 stop15h 11m

£766

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

    KLM and Delta can get you from Ireland to San Diego in just under 13h 55m. Your travel time can differ by up to 3h 34m. 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

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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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