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$338+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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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 January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$656
(lastminute.com)

One-way from

$338
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$1,073
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 Dublin to San Diego
Search Deals
One-way flight from Dublin to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 16, 2026.

This lastminute.com deal was found by Cheapflights users on 1/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:40 am
DUB
-
SAN
2 stops35h 40m
Multiple Airlines
Wed 5/64:26 pm
SAN
-
DUB
2 stops31h 29m
Multiple Airlines
Deal found 1/14$656
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:20 am
DUB
-
SAN
2 stops45h 40m
Multiple Airlines
Mon 2/2310:29 am
SAN
-
DUB
1 stop16h 56m
Multiple Airlines
Deal found 1/14$665
This lastminute.com deal was found by Cheapflights users on 1/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:15 am
DUB
-
SAN
2 stops45h 30m
Scandinavian Airlines
Wed 11/43:59 pm
SAN
-
DUB
2 stops35h 46m
Scandinavian Airlines
Deal found 1/14$675
This Finnair deal was found by Cheapflights users on 1/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:30 am
DUB
-
SAN
1 stop21h 46m
Multiple Airlines
Tue 5/267:40 pm
SAN
-
DUB
1 stop15h 50m
Multiple Airlines
Deal found 1/14$684
This Bravofly deal was found by Cheapflights users on 1/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:10 am
DUB
-
SAN
2 stops20h 39m
Scandinavian Airlines
Sat 3/710:40 am
SAN
-
DUB
2 stops41h 05m
Scandinavian Airlines
Deal found 1/14$688
This Finnair deal was found by Cheapflights users on 1/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:10 pm
DUB
-
SAN
1 stop28h 55m
Multiple Airlines
Wed 11/46:00 pm
SAN
-
DUB
1 stop15h 00m
Multiple Airlines
Deal found 1/14$726
This Finnair deal was found by Cheapflights users on 1/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:30 am
DUB
-
SAN
1 stop16h 35m
Multiple Airlines
Sat 5/27:40 pm
SAN
-
DUB
1 stop15h 50m
Multiple Airlines
Deal found 1/14$735
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3011:30 am
DUB
-
SAN
2 stops18h 56m
American Airlines
Sun 2/19:21 am
SAN
-
DUB
2 stops16h 29m
American Airlines
Deal found 1/15$756

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 January 16, 2026.
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

Mon 4/27

9:30 am-6:05 pm

1 stop16h 35m

San Diego

Wed 5/6

7:40 pm-6:00 pm

1 stop14h 20m

$682

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/20

9:30 am-11:16 pm

1 stop21h 46m

San Diego

Tue 5/26

7:40 pm-7:30 pm

1 stop15h 50m

$684

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 2/28

10:10 am-10:49 pm

2 stops20h 39m

San Diego

Sat 3/7

10:40 am-11:45 am

2 stops41h 05m

$688

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 4/26

9:30 am-6:05 pm

1 stop16h 35m

San Diego

Sat 5/2

7:40 pm-7:30 pm

1 stop15h 50m

$735

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 2/3

11:30 am-10:58 pm

1 stop19h 28m

San Diego

Mon 2/16

9:29 am-8:40 am

1 stop15h 11m

$756

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 1/30

11:30 am-10:26 pm

2 stops18h 56m

San Diego

Sun 2/1

9:21 am-9:50 am

2 stops16h 29m

$756

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 2/12

11:30 am-9:59 pm

1 stop18h 29m

San Diego

Wed 2/25

9:29 am-8:40 am

1 stop15h 11m

$756

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 3/1

8:40 pm-4:10 pm

1 stop27h 30m

San Diego

Sun 3/8

7:00 pm-4:50 pm

1 stop14h 50m

$759

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 2/9

11:30 am-10:58 pm

1 stop19h 28m

San Diego

Mon 2/23

6:00 pm-7:40 pm

1 stop17h 40m

$760

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 1/26

11:30 am-10:58 pm

1 stop19h 28m

San Diego

Tue 2/10

6:00 pm-5:00 pm

1 stop15h 00m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 17 results
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Compare providers for flights from Dublin to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dublin-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dublin-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, June is the cheapest month in which you can book a flight from Dublin to San Diego (average of $486). Flying from Dublin 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 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 39m. The distance from Dublin to San Diego is about 5194 mi.

  • 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, June is the cheapest month in which you can book a flight from Dublin to San Diego (average of $486). Flying from Dublin 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
La Mesa
Poway
Julian
Lemon Grove

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