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$354+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
1 adult, Economy
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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 March 3, 2026.

This Finnair deal was found by Cheapflights users on 3/3. 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.
Fri 4/179:30 am
DUB
-
SAN
1 stop16h 35m
Finnair
Fri 4/249:12 am
SAN
-
DUB
1 stop16h 33m
Finnair
Deal found 3/3$697
This lol.travel deal was found by Cheapflights users on 3/1. 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 4/29:30 am
DUB
-
SAN
1 stop16h 53m
Finnair
Sun 4/199:12 am
SAN
-
DUB
1 stop16h 33m
Finnair
Deal found 3/1$698
This lastminute.com deal was found by Cheapflights users on 3/1. 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.
Tue 11/37:05 pm
DUB
-
SAN
2 stops35h 50m
Scandinavian Airlines
Tue 11/2410:00 am
SAN
-
DUB
2 stops24h 20m
Scandinavian Airlines
Deal found 3/1$699
This Finnair deal was found by Cheapflights users on 3/1. 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.
Fri 4/179:30 am
DUB
-
SAN
1 stop16h 35m
Finnair
Tue 4/219:12 am
SAN
-
DUB
1 stop16h 33m
Finnair
Deal found 3/1$709
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:40 am
DUB
-
SAN
2 stops34h 37m
Multiple Airlines
Tue 5/126:52 am
SAN
-
DUB
1 stop17h 58m
Multiple Airlines
Deal found 2/28$725
This FlightHub deal was found by Cheapflights users on 2/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:40 am
DUB
-
SAN
1 stop16h 37m
JetBlue
Wed 5/139:15 pm
SAN
-
DUB
1 stop27h 45m
JetBlue
Deal found 2/28$729
This FlightHub deal was found by Cheapflights users on 2/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:40 am
DUB
-
SAN
1 stop16h 37m
JetBlue
Fri 5/159:15 pm
SAN
-
DUB
1 stop27h 45m
JetBlue
Deal found 2/28$735
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:40 am
DUB
-
SAN
2 stops34h 37m
Multiple Airlines
Mon 5/119:25 pm
SAN
-
DUB
1 stop23h 05m
Multiple Airlines
Deal found 2/28$737
This JetBlue deal was found by Cheapflights users on 2/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:40 am
DUB
-
SAN
1 stop16h 37m
JetBlue
Mon 5/1110:25 am
SAN
-
DUB
1 stop14h 35m
JetBlue
Deal found 2/28$751
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:40 am
DUB
-
SAN
2 stops36h 30m
Multiple Airlines
Tue 5/128:50 am
SAN
-
DUB
1 stop16h 00m
Multiple Airlines
Deal found 2/28$753
This Finnair deal was found by Cheapflights users on 2/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:35 am
DUB
-
SAN
1 stop17h 15m
Multiple Airlines
Thu 5/141:18 pm
SAN
-
DUB
1 stop14h 32m
Multiple Airlines
Deal found 2/28$754
This FlightHub deal was found by Cheapflights users on 2/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:40 am
DUB
-
SAN
1 stop16h 45m
JetBlue
Fri 5/159:15 pm
SAN
-
DUB
1 stop27h 45m
JetBlue
Deal found 2/28$756

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 March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$697
(Finnair)

One-way from

$354
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$795
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. 10% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 3, 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

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/22

9:30 am-11:39 pm

1 stop22h 09m

San Diego

Sun 5/24

1:19 pm-11:50 am

1 stop14h 31m

$697

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/1

11:40 am-8:04 pm

1 stop16h 24m

San Diego

Fri 5/15

10:25 am-9:00 am

1 stop14h 35m

$788

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/30

8:35 am-10:49 pm

2 stops22h 14m

San Diego

Mon 5/11

9:05 am-12:00 pm

2 stops18h 55m

$843

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 4/17

12:40 pm-11:33 pm

2 stops18h 53m

San Diego

Tue 4/21

11:01 am-9:45 am

1 stop14h 44m

$844

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 4/4

6:30 am-4:00 pm

2 stops17h 30m

San Diego

Wed 5/6

4:45 pm-2:35 pm

1 stop13h 50m

$901

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 4/17

9:50 am-6:51 pm

2 stops17h 01m

San Diego

Tue 4/21

10:52 am-10:40 am

2 stops15h 48m

$909

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/2

5:55 am-11:50 am

1 stop13h 55m

San Diego

Thu 4/16

6:15 am-7:55 am

2 stops17h 40m

$911

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 4/2

6:30 am-4:00 pm

2 stops17h 30m

San Diego

Thu 4/16

9:12 am-9:00 am

2 stops15h 48m

$912

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 4/3

11:10 am-11:40 pm

2 stops20h 30m

San Diego

Thu 4/16

10:30 pm-8:45 am

1 stop26h 15m

$916

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 4/4

1:35 pm-9:16 am

2 stops27h 41m

San Diego

Wed 5/6

10:55 am-9:45 am

2 stops14h 50m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

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 March.
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

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

Currently, September is the cheapest month in which you can book a flight from Dublin to San Diego (average of $516). 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 16h 24m. 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 Aer Lingus ($562), British Airways ($573), 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.

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

    Currently, September is the cheapest month in which you can book a flight from Dublin to San Diego (average of $516). 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
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Poway
Julian
Lemon Grove

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