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$377+ Cheap flights from Dublin (DUB) 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Dublin to San Diego are usually found in February or January, booked 21 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Dublin to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$603
(lastminute.com)

One-way from

$377
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$794
From Dublin to San Diego
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One-way flight from Dublin to San Diego
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Highest demand for flights based on searches. 12% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dublin to San Diego

Cheapest flights from Dublin to San Diego
Explore the most affordable flight options available from Dublin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This lastminute.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/3112:30 pmDUB - SAN
2 stops41h 36mScandinavian Airlines
Thu 11/1311:02 amSAN - DUB
2 stops38h 23mScandinavian Airlines
Deal found 9/15$603
This OneTravel deal was found by Cheapflights users on 9/16. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:30 pmDUB - SAN
2 stops41h 44mScandinavian Airlines
Fri 11/711:00 amSAN - DUB
2 stops38h 25mScandinavian Airlines
Deal found 9/16$623
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:10 amDUB - SAN
2 stops20h 45mScandinavian Airlines
Wed 11/2610:00 amSAN - DUB
2 stops41h 45mScandinavian Airlines
Deal found 9/14$650
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:20 pmDUB - SAN
1 stop15h 59mMultiple Airlines
Tue 11/188:00 amSAN - DUB
1 stop17h 00mMultiple Airlines
Deal found 9/16$697
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:40 amDUB - SAN
1 stop16h 23mMultiple Airlines
Tue 11/189:15 amSAN - DUB
1 stop15h 05mMultiple Airlines
Deal found 9/16$698
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:20 pmDUB - SAN
1 stop15h 59mMultiple Airlines
Mon 11/248:15 amSAN - DUB
1 stop16h 45mMultiple Airlines
Deal found 9/16$722
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:10 amDUB - SAN
2 stops20h 56mScandinavian Airlines
Mon 11/2410:00 amSAN - DUB
2 stops24h 20mScandinavian Airlines
Deal found 9/14$724
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:15 amDUB - SAN
1 stop16h 33mMultiple Airlines
Tue 11/189:01 amSAN - DUB
1 stop15h 39mMultiple Airlines
Deal found 9/16$744
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:40 pmDUB - SAN
2 stops41h 51mScandinavian Airlines
Mon 10/273:59 pmSAN - DUB
2 stops36h 46mScandinavian Airlines
Deal found 9/15$748

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin 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 September 16, 2025.
Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

Fly from

Dublin

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 11/8

10:10 am-11:06 pm

2 stops20h 56m

San Diego

Mon 11/24

10:00 am-6:20 pm

3 stops24h 20m

$724

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 11/21

12:55 pm-10:17 pm

1 stop17h 22m

San Diego

Fri 11/28

6:00 pm-7:50 pm

1 stop17h 50m

$765

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 11/20

8:40 pm-4:10 pm

1 stop27h 30m

San Diego

Thu 11/27

10:46 am-2:50 pm

2 stops20h 04m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 11/19

8:50 am-4:10 pm

1 stop15h 20m

San Diego

Wed 11/26

9:24 am-9:40 am

2 stops16h 16m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 12/22

8:50 am-4:10 pm

1 stop15h 20m

San Diego

Mon 1/12

6:00 pm-7:40 pm

1 stop17h 40m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

8:50 am-4:10 pm

1 stop15h 20m

San Diego

Tue 2/24

6:00 pm-12:15 pm

1 stop34h 15m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 11/22

8:55 am-4:10 pm

1 stop15h 15m

San Diego

Fri 11/28

6:00 pm-7:50 pm

1 stop17h 50m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 11/21

8:50 am-4:10 pm

1 stop15h 20m

San Diego

Fri 11/28

10:47 am-3:05 pm

2 stops20h 18m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/18

8:40 pm-4:10 pm

1 stop27h 30m

San Diego

Thu 11/27

10:46 am-2:10 pm

2 stops19h 24m

$772

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 11/24

1:00 pm-4:10 pm

1 stop35h 10m

San Diego

Sun 11/30

4:25 pm-7:40 pm

2 stops19h 15m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results
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Best time to book a flight from Dublin to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Dublin 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 Dublin to San Diego

How far ahead should I book a flight from Dublin to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to San Diego. Price data was last updated on September 12, 2025.

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Dublin to San Diego (average of $286). Flying from Dublin to San Diego in March is currently the most expensive (average of $366). 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.

How much does it cost to fly round-trip from Dublin to San Diego?

Related info for your journey

Find useful and relevant information for your journey from Dublin to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Dublin to San Diego?

    Departing from Dublin to San Diego will take you 20h 56m. The distance from Dublin to San Diego is about 5194 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Dublin to San Diego that include hotel bookings?

    Yes. In addition to deals on Dublin to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to San Diego.

  • Can I find deals for business class flights from Dublin to San Diego?

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Dublin to San Diego (average of $286). Flying from Dublin to San Diego in March is currently the most expensive (average of $366). 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
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City

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