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$499+ Cheap flights from Ireland to San Diego (SAN)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap flight deals from Ireland to San Diego

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 June 16, 2026.

This SmartFares deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:40 am
DUB
-
SAN
1 stop16h 50m
JetBlue
Sun 7/198:40 pm
SAN
-
DUB
1 stop27h 40m
JetBlue
Deal found 6/13$671
This TravelUp deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:40 am
DUB
-
SAN
1 stop16h 50m
JetBlue
Tue 7/141:06 pm
SAN
-
DUB
1 stop35h 14m
JetBlue
Deal found 6/12$688
This JetBlue deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:40 am
DUB
-
SAN
1 stop30h 29m
JetBlue
Mon 8/171:06 pm
SAN
-
DUB
1 stop35h 14m
JetBlue
Deal found 6/11$776
This SmartFares deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:30 am
DUB
-
SAN
1 stop30h 48m
JetBlue
Tue 9/110:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/14$790
This lol.travel deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:40 am
DUB
-
SAN
1 stop30h 30m
JetBlue
Thu 8/2010:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/12$798
This KLM deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:25 pm
DUB
-
SAN
1 stop30h 45m
Multiple Airlines
Mon 12/216:20 am
SAN
-
DUB
1 stop17h 35m
Multiple Airlines
Deal found 6/14$821
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/268:50 am
DUB
-
SAN
2 stops21h 02m
Delta
Sat 1/210:55 am
SAN
-
DUB
1 stop12h 50m
Delta
Deal found 6/11$824
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:45 am
DUB
-
SAN
2 stops18h 21m
Delta
Mon 12/216:15 am
SAN
-
DUB
2 stops17h 40m
Delta
Deal found 6/14$826
This lastminute.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 pm
DUB
-
SAN
2 stops36h 40m
Scandinavian Airlines
Mon 10/1910:00 am
SAN
-
DUB
2 stops41h 50m
Scandinavian Airlines
Deal found 6/15$828
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:40 am
DUB
-
SAN
1 stop21h 23m
Delta
Tue 1/1911:40 am
SAN
-
DUB
2 stops20h 05m
Delta
Deal found 6/12$831
This KLM deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:15 am
ORK
-
SAN
1 stop13h 35m
KLM
Tue 9/11:40 pm
SAN
-
ORK
1 stop24h 55m
KLM
Deal found 6/14$946
This British Airways deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:55 am
ORK
-
SAN
2 stops20h 01m
British Airways
Tue 11/176:00 pm
SAN
-
ORK
1 stop19h 00m
British Airways
Deal found 6/11$1,030

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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$671
(SmartFares)

One-way from

$499
(FlightHub)

Popular in

April

Cheapest in

October

Average price

$1,048
Provider with most accurate pricing for Dublin-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-San Diego flights.
Search Deals
From Ireland to San Diego
Search Deals
One-way flight from Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated June 16, 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 round-trip

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 8/3

10:40 am-7:27 pm

1 stop16h 47m

San Diego

Mon 8/17

10:20 am-8:20 am

1 stop14h 00m

$830

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 7/14

10:40 am-7:27 pm

1 stop16h 47m

San Diego

Wed 7/29

10:20 am-8:20 am

1 stop14h 00m

$893

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Thu 8/27

6:15 am-11:50 am

1 stop13h 35m

San Diego

Tue 9/1

1:40 pm-10:35 pm

1 stop24h 55m

$946

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 7/19

9:30 am-11:26 pm

1 stop21h 56m

San Diego

Mon 7/27

7:40 pm-7:35 pm

1 stop15h 55m

$966

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 7/17

9:30 am-11:26 pm

1 stop21h 56m

San Diego

Mon 7/27

7:40 pm-7:35 pm

1 stop15h 55m

$975

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Fri 11/13

11:55 am-11:56 pm

2 stops20h 01m

San Diego

Tue 11/17

6:00 pm-9:00 pm

1 stop19h 00m

$1,030

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 7/14

5:55 am-11:50 am

1 stop13h 55m

San Diego

Wed 7/29

9:46 am-10:00 am

2 stops16h 14m

$1,057

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 7/2

5:55 am-6:13 pm

2 stops20h 18m

San Diego

Tue 7/14

6:15 am-9:15 am

2 stops19h 00m

$1,060

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 7/23

5:55 am-3:56 pm

2 stops18h 01m

San Diego

Thu 8/6

11:30 am-10:00 am

1 stop14h 30m

$1,062

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 7/1

11:10 am-10:38 pm

2 stops19h 28m

San Diego

Fri 7/10

10:30 pm-8:45 am

1 stop26h 15m

$1,062

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 30 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 round-trip 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, KLM, and British Airways can get you from Ireland to San Diego in just under 13h 35m. Your travel time can differ by up to 6h 26m. Airlines will cover a distance of 5180 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ireland to San Diego one-way?

    The cheapest airlines for a one-way flight from Ireland to San Diego are JetBlue ($511), Aer Lingus ($585), and American Airlines ($672).

  • What are the most popular routes from Ireland to San Diego?

    The most popular route from Ireland to San Diego is Dublin - San Diego. You may also consider Cork - San Diego or Shannon - San Diego.

  • 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 vacation 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
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Coronado
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Santee
Julian
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