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$394+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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 August 1, 2026.

This Expedia deal was found by Cheapflights users on 7/28. 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 8/2711:30 am
DUB
-
SAN
1 stop15h 36m
JetBlue
Mon 8/3110:15 am
SAN
-
DUB
1 stop14h 05m
JetBlue
Deal found 7/28$691
This Expedia deal was found by Cheapflights users on 7/27. 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.
Wed 9/210:40 am
DUB
-
SAN
1 stop16h 16m
JetBlue
Fri 9/48:30 pm
SAN
-
DUB
1 stop28h 30m
JetBlue
Deal found 7/27$692
This TravelUp deal was found by Cheapflights users on 7/30. 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.
Tue 9/111:30 am
DUB
-
SAN
1 stop15h 36m
JetBlue
Tue 9/88:17 pm
SAN
-
DUB
1 stop28h 03m
JetBlue
Deal found 7/30$699
This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:40 am
DUB
-
SAN
1 stop16h 16m
JetBlue
Tue 9/88:17 pm
SAN
-
DUB
1 stop28h 03m
JetBlue
Deal found 7/30$708
This Expedia deal was found by Cheapflights users on 7/28. 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.
Fri 8/2811:30 am
DUB
-
SAN
1 stop15h 36m
JetBlue
Mon 8/3110:15 am
SAN
-
DUB
1 stop14h 05m
JetBlue
Deal found 7/28$714
This TravelUp deal was found by Cheapflights users on 7/28. 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.
Fri 8/2811:30 am
DUB
-
SAN
1 stop15h 36m
JetBlue
Tue 9/18:30 pm
SAN
-
DUB
1 stop28h 30m
JetBlue
Deal found 7/28$715
This TravelUp deal was found by Cheapflights users on 7/31. 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.
Tue 9/110:40 am
DUB
-
SAN
1 stop30h 25m
Multiple Airlines
Sat 9/129:30 pm
SAN
-
DUB
2 stops27h 30m
Multiple Airlines
Deal found 7/31$719
This JetBlue deal was found by Cheapflights users on 7/30. 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.
Thu 8/2011:30 am
DUB
-
SAN
1 stop31h 22m
JetBlue
Wed 9/210:15 am
SAN
-
DUB
1 stop14h 05m
JetBlue
Deal found 7/30$722
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:40 am
DUB
-
SAN
1 stop16h 49m
JetBlue
Mon 8/178:40 pm
SAN
-
DUB
1 stop27h 40m
JetBlue
Deal found 7/30$730
This Expedia deal was found by Cheapflights users on 7/30. 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 8/2710:40 am
DUB
-
SAN
1 stop30h 30m
JetBlue
Thu 9/310:15 am
SAN
-
DUB
1 stop14h 05m
JetBlue
Deal found 7/30$742
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 am
SNN
-
SAN
2 stops16h 16m
United Airlines
Tue 9/298:00 am
SAN
-
SNN
2 stops18h 15m
United Airlines
Deal found 7/29$1,001
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:30 pm
SNN
-
SAN
2 stops17h 40m
United Airlines
Fri 9/1810:40 am
SAN
-
SNN
2 stops15h 35m
United Airlines
Deal found 7/28$1,002

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$691
(Expedia)

One-way from

$394
(BusinessClass)

Popular in

April

Cheapest in

October

Average price

$993
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. 5% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 1, 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 9/3

10:40 am-6:56 pm

1 stop16h 16m

San Diego

Sun 9/6

10:15 am-8:20 am

1 stop14h 05m

$692

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 9/12

11:30 am-8:01 pm

1 stop16h 31m

San Diego

Sat 9/19

10:23 am-9:00 am

1 stop14h 37m

$897

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 10/20

9:40 am-11:41 pm

2 stops22h 01m

San Diego

Sun 10/25

7:00 pm-4:50 pm

1 stop14h 50m

$947

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/17

11:30 am-10:41 pm

2 stops19h 11m

San Diego

Tue 12/15

9:20 am-10:15 am

3 stops16h 55m

$958

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 12/30

8:50 am-8:48 pm

2 stops19h 58m

San Diego

Wed 1/20

6:20 am-7:55 am

1 stop17h 35m

$963

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 9/12

5:55 am-11:50 am

1 stop13h 55m

San Diego

Sat 9/19

8:00 am-8:15 am

2 stops16h 15m

$985

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 9/21

5:55 am-3:01 pm

2 stops17h 06m

San Diego

Tue 10/6

3:00 pm-6:25 pm

2 stops19h 25m

$992

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 9/12

5:55 am-6:35 pm

2 stops20h 40m

San Diego

Sat 9/19

6:15 am-9:15 am

2 stops19h 00m

$993

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Fri 9/11

12:30 pm-10:10 pm

2 stops17h 40m

San Diego

Fri 9/18

10:40 am-10:15 am

2 stops15h 35m

$1,002

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 8/27

9:50 am-6:30 pm

2 stops16h 40m

San Diego

Thu 9/3

9:49 am-7:20 am

2 stops37h 31m

$1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 34 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, United Airlines, and Lufthansa can get you from Ireland to San Diego in just under 16h 16m. Your travel time can differ by up to 29h 01m. 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 Shannon - San Diego or Cork - 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
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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