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$374+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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1. Tell us where you want to go

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Cheap 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 April 17, 2026.

This SmartFares deal was found by Cheapflights users on 4/13. 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.
Thu 5/711:30 am
DUB
-
SAN
1 stop16h 30m
JetBlue
Fri 5/2211:03 am
SAN
-
DUB
1 stop13h 17m
JetBlue
Deal found 4/13$673
This lol.travel deal was found by Cheapflights users on 4/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:40 am
DUB
-
SAN
1 stop30h 35m
JetBlue
Sat 5/309:10 pm
SAN
-
DUB
1 stop27h 10m
JetBlue
Deal found 4/14$676
This SmartFares deal was found by Cheapflights users on 4/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:30 am
DUB
-
SAN
1 stop16h 30m
JetBlue
Sat 5/308:30 pm
SAN
-
DUB
1 stop28h 30m
JetBlue
Deal found 4/16$708
This JetBlue deal was found by Cheapflights users on 4/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:30 am
DUB
-
SAN
1 stop16h 30m
JetBlue
Tue 5/1210:25 am
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 4/13$709
This lol.travel deal was found by Cheapflights users on 4/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:30 am
DUB
-
SAN
1 stop30h 25m
JetBlue
Wed 5/2711:03 am
SAN
-
DUB
1 stop13h 17m
JetBlue
Deal found 4/14$726
This TravelUp deal was found by Cheapflights users on 4/15. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:30 am
DUB
-
SAN
1 stop31h 05m
JetBlue
Tue 6/98:30 pm
SAN
-
DUB
1 stop28h 30m
JetBlue
Deal found 4/15$729
This lastminute.com deal was found by Cheapflights users on 4/14. 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 5/1110:40 am
DUB
-
SAN
2 stops59h 30m
WestJet
Wed 5/273:30 pm
SAN
-
DUB
1 stop35h 20m
WestJet
Deal found 4/14$743
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:30 am
DUB
-
SAN
1 stop30h 25m
JetBlue
Tue 5/1910:25 am
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 4/14$751
This lol.travel deal was found by Cheapflights users on 4/16. 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.
Sat 5/1611:30 am
DUB
-
SAN
1 stop16h 30m
JetBlue
Sat 5/308:30 pm
SAN
-
DUB
1 stop28h 30m
JetBlue
Deal found 4/16$753

Find 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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(SmartFares)

One-way from

$374
(Kiwi.com)

Popular in

April

Cheapest in

May

Average price

$1,025
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
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 17, 2026.
Use the filters below to find and compare flights from Dublin 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

Fri 6/5

11:30 am-7:07 pm

1 stop15h 37m

San Diego

Mon 6/15

10:20 am-8:20 am

1 stop14h 00m

$815

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 6/1

3:25 pm-7:58 am

2 stops24h 33m

San Diego

Mon 6/8

9:01 am-11:45 am

1 stop18h 44m

$953

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 9/15

10:40 am-6:48 pm

1 stop16h 08m

San Diego

Sat 9/19

10:40 am-9:00 am

1 stop14h 20m

$960

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 5/11

6:05 am-5:19 pm

2 stops19h 14m

San Diego

Wed 5/27

10:49 am-10:40 am

2 stops15h 51m

$1,005

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 5/28

8:50 am-6:39 pm

2 stops17h 49m

San Diego

Thu 6/4

10:49 am-10:40 am

2 stops15h 51m

$1,006
Quickest round-trip

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 6/5

8:55 am-6:03 pm

2 stops17h 08m

San Diego

Mon 6/15

11:53 am-7:55 am

1 stop12h 02m

$1,014

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 6/1

11:10 am-8:39 pm

2 stops17h 29m

San Diego

Mon 6/8

9:47 am-7:55 am

2 stops14h 08m

$1,020
Cheapest one-way

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 6/10

11:30 am-7:07 pm

1 stop15h 37m

$385

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 6/9

11:30 am-7:07 pm

1 stop15h 37m

$385

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 5/7

10:40 am-2:03 pm

1 stop35h 23m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-San Diego flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 15h 37m. The distance from Dublin to San Diego is about 5194 mi.

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

    The cheapest airlines for a one-way flight from Dublin to San Diego are Aer Lingus ($562), British Airways ($651), and American Airlines ($672).

  • 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.

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
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National City
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Poway
Julian
Lemon Grove

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