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$378+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:00 pm
DUB
-
SAN
1 stop33h 10m
WestJet
Tue 5/53:30 pm
SAN
-
DUB
2 stops32h 50m
WestJet
Deal found 3/13$707
This lastminute.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/2212:40 pm
DUB
-
SAN
2 stops41h 56m
Scandinavian Airlines
Wed 4/2910:05 am
SAN
-
DUB
2 stops41h 45m
Scandinavian Airlines
Deal found 3/16$744
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:00 pm
DUB
-
SAN
1 stop33h 10m
Multiple Airlines
Tue 5/58:07 am
SAN
-
DUB
1 stop18h 28m
Multiple Airlines
Deal found 3/13$799
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:35 am
DUB
-
SAN
2 stops31h 53m
Multiple Airlines
Wed 5/63:30 pm
SAN
-
DUB
1 stop35h 20m
Multiple Airlines
Deal found 3/15$829
This SmartFares deal was found by Cheapflights users on 3/17. 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 4/2310:40 am
DUB
-
SAN
1 stop16h 45m
JetBlue
Wed 5/611:05 am
SAN
-
DUB
1 stop13h 15m
JetBlue
Deal found 3/17$834
This SmartFares deal was found by Cheapflights users on 3/18. 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 5/710:40 am
DUB
-
SAN
1 stop16h 37m
JetBlue
Wed 5/2010:25 am
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 3/18$837
This British Airways deal was found by Cheapflights users on 3/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/288:40 pm
DUB
-
SAN
1 stop27h 30m
British Airways
Mon 1/113:12 pm
SAN
-
DUB
2 stops16h 08m
British Airways
Deal found 3/15$838
This lol.travel deal was found by Cheapflights users on 3/16. 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.
Wed 4/2210:40 am
DUB
-
SAN
1 stop30h 44m
JetBlue
Wed 4/293:15 pm
SAN
-
DUB
1 stop33h 05m
JetBlue
Deal found 3/16$845
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:35 am
DUB
-
SAN
1 stop14h 20m
British Airways
Wed 5/64:45 pm
SAN
-
DUB
1 stop13h 50m
British Airways
Deal found 3/14$852
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:35 am
DUB
-
SAN
1 stop14h 20m
British Airways
Thu 5/77:40 pm
SAN
-
DUB
1 stop15h 40m
British Airways
Deal found 3/16$864
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:30 am
DUB
-
SAN
2 stops39h 40m
Multiple Airlines
Mon 5/119:25 pm
SAN
-
DUB
1 stop23h 50m
Multiple Airlines
Deal found 3/18$865
This Air France deal was found by Cheapflights users on 3/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:10 pm
ORK
-
SAN
1 stop26h 40m
Multiple Airlines
Fri 5/811:01 am
SAN
-
ORK
2 stops19h 24m
Multiple Airlines
Deal found 3/17$928

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$707
(Gotogate)

One-way from

$378
(WestJet)

Popular in

July

Cheapest in

May

Average price

$891
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. 10% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 18, 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

Thu 4/9

9:30 am-6:05 pm

1 stop16h 35m

San Diego

Sun 4/26

9:12 am-9:45 am

1 stop16h 33m

$873

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/23

10:40 am-9:24 am

1 stop30h 44m

San Diego

Wed 5/6

9:15 pm-9:00 am

1 stop27h 45m

$874

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/9

9:30 am-6:05 pm

1 stop16h 35m

San Diego

Mon 4/27

9:12 am-9:45 am

1 stop16h 33m

$878

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/1

11:40 am-8:04 pm

1 stop16h 24m

San Diego

Fri 5/8

10:25 am-9:00 am

1 stop14h 35m

$879

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/9

1:00 pm-11:56 pm

2 stops18h 56m

San Diego

Sun 4/26

7:40 pm-7:45 am

1 stop28h 05m

$896

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/9

5:55 am-11:50 am

1 stop13h 55m

San Diego

Mon 4/27

9:47 am-7:55 am

2 stops14h 08m

$909

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 4/1

5:55 am-6:22 pm

2 stops20h 27m

San Diego

Mon 4/20

10:30 pm-8:45 am

1 stop26h 15m

$910

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/9

5:55 am-3:55 pm

2 stops18h 00m

San Diego

Sun 4/26

6:15 am-9:15 am

2 stops19h 00m

$910

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/23

5:55 am-6:05 pm

2 stops20h 10m

San Diego

Wed 5/6

3:15 pm-6:25 pm

2 stops19h 10m

$911

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Thu 4/2

6:15 am-11:50 am

1 stop13h 35m

San Diego

Thu 4/9

1:40 pm-4:35 pm

1 stop18h 55m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 36 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

What is the cheapest month to book a flight from Ireland to San Diego?

Currently, September is the cheapest month in which you can book a flight from Ireland to San Diego (average of $510). Flying from Ireland to San Diego in July is currently the most expensive (average of $810). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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?

    Finnair, JetBlue, and British Airways can get you from Ireland to San Diego in just under 16h 35m. Your travel time can differ by up to 14h 09m. Airlines will cover a distance of 5194 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from Ireland to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Ireland to San Diego (average of $510). Flying from Ireland to San Diego in July is currently the most expensive (average of $810). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
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Poway
Julian
Lemon Grove

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