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$379+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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2. Select your favorite providers

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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 June 25, 2026.

This SmartFares deal was found by Cheapflights users on 6/24. 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.
Sun 7/1910:40 am
DUB
-
SAN
1 stop30h 29m
JetBlue
Mon 8/310:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/24$688
This SmartFares deal was found by Cheapflights users on 6/23. 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 7/910:40 am
DUB
-
SAN
1 stop30h 29m
JetBlue
Mon 7/138:40 pm
SAN
-
DUB
1 stop27h 40m
JetBlue
Deal found 6/23$698
This TravelUp deal was found by Cheapflights users on 6/23. 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 8/2110:40 am
DUB
-
SAN
1 stop16h 49m
JetBlue
Fri 8/288:40 pm
SAN
-
DUB
1 stop27h 40m
JetBlue
Deal found 6/23$706
This SmartFares deal was found by Cheapflights users on 6/21. 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 7/910:40 am
DUB
-
SAN
1 stop16h 47m
JetBlue
Wed 7/2210:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/21$710
This SmartFares deal was found by Cheapflights users on 6/23. 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 8/2110:40 am
DUB
-
SAN
1 stop16h 49m
JetBlue
Sat 9/58:30 pm
SAN
-
DUB
1 stop28h 30m
JetBlue
Deal found 6/23$712
This SmartFares deal was found by Cheapflights users on 6/24. 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 8/2810:40 am
DUB
-
SAN
1 stop16h 49m
JetBlue
Mon 8/311:06 pm
SAN
-
DUB
1 stop35h 14m
JetBlue
Deal found 6/24$716
This SmartFares deal was found by Cheapflights users on 6/24. 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.
Sun 7/1910:40 am
DUB
-
SAN
1 stop16h 47m
JetBlue
Tue 8/410:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/24$731
This SmartFares deal was found by Cheapflights users on 6/24. 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 7/1010:40 am
DUB
-
SAN
1 stop16h 47m
JetBlue
Tue 7/141:06 pm
SAN
-
DUB
1 stop35h 14m
JetBlue
Deal found 6/24$740
This JetBlue deal was found by Cheapflights users on 6/21. 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.
Wed 8/1911:30 am
DUB
-
SAN
1 stop15h 36m
JetBlue
Sun 9/610:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/21$748
This SmartFares deal was found by Cheapflights users on 6/24. 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.
Sun 8/1610:40 am
DUB
-
SAN
1 stop16h 49m
JetBlue
Tue 9/110:15 am
SAN
-
DUB
1 stop14h 05m
JetBlue
Deal found 6/24$759
This JetBlue deal was found by Cheapflights users on 6/21. 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.
Tue 8/1811:30 am
DUB
-
SAN
1 stop15h 36m
JetBlue
Sun 9/610:20 am
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 6/21$771

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 June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(SmartFares)

One-way from

$379
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$1,048
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 ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 25, 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

Sun 7/19

10:40 am-7:27 pm

1 stop16h 47m

San Diego

Tue 8/4

10:20 am-8:20 am

1 stop14h 00m

$731
Quickest round-trip

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 8/18

11:30 am-7:06 pm

1 stop15h 36m

San Diego

Sun 9/6

10:20 am-8:20 am

1 stop14h 00m

$771

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 12/19

9:40 am-11:03 pm

1 stop21h 23m

San Diego

Sat 1/9

9:45 am-2:10 pm

2 stops20h 25m

$827

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 8/28

10:40 am-8:39 pm

2 stops17h 59m

San Diego

Mon 8/31

5:28 pm-11:05 am

3 stops33h 37m

$844

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/25

8:10 pm-2:55 pm

1 stop26h 45m

San Diego

Sun 9/27

4:45 pm-2:30 pm

1 stop13h 45m

$846

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/25

9:40 am-11:25 pm

2 stops21h 45m

San Diego

Sun 9/27

7:40 pm-7:35 pm

1 stop15h 55m

$854

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 8/21

11:30 am-7:06 pm

1 stop15h 36m

San Diego

Thu 9/3

10:15 am-8:20 am

1 stop14h 05m

$871

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 10/1

9:40 am-11:25 pm

2 stops21h 45m

San Diego

Sun 10/11

9:45 am-9:45 am

1 stop16h 00m

$874

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/25

5:55 am-3:56 pm

2 stops18h 01m

San Diego

Sun 9/27

6:15 am-7:55 am

2 stops17h 40m

$879

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 8/28

8:55 am-8:16 pm

2 stops19h 21m

San Diego

Mon 8/31

8:00 am-10:00 am

2 stops18h 00m

$880

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 June.
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 16h 47m. The distance from Dublin to San Diego is about 5194 mi. This flight may include one or multiple stops.

  • 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 JetBlue ($511), Aer Lingus ($585), 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
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National City
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Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove

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