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Cheap flights from Dublin to San Diego from £302

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to San Diego

Enter your travel dates to find the best prices.

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 22 Januar 2026.

Mi 4/312:30
DUB
-
SAN
2 stops43h 35m
Scandinavian Airlines
Mi 18/310:00
SAN
-
DUB
2 stops25h 20m
Scandinavian Airlines
Deal found 22/1£497
Mo 13/409:30
DUB
-
SAN
1 stop16h 35m
Finnair
Mo 20/409:11
SAN
-
DUB
1 stop16h 34m
Finnair
Deal found 22/1£516
Sa 7/310:10
DUB
-
SAN
2 stops20h 39m
Scandinavian Airlines
Sa 14/315:45
SAN
-
DUB
2 stops37h 00m
Scandinavian Airlines
Deal found 21/1£523
Sa 7/320:40
DUB
-
SAN
1 stop27h 25m
British Airways
Sa 14/319:00
SAN
-
DUB
1 stop16h 40m
British Airways
Deal found 21/1£566
Sa 7/305:55
DUB
-
SAN
1 stop14h 10m
KLM
Sa 14/315:00
SAN
-
DUB
1 stop24h 10m
KLM
Deal found 21/1£571
Mi 28/105:55
DUB
-
SAN
2 stops20h 05m
Delta
Mi 4/207:05
SAN
-
DUB
2 stops19h 45m
Delta
Deal found 20/1£572
Mi 4/313:20
DUB
-
SAN
2 stops38h 15m
Multiple Airlines
Mi 18/312:45
SAN
-
DUB
1 stop15h 40m
Multiple Airlines
Deal found 22/1£573
Mi 4/311:30
DUB
-
SAN
1 stop18h 29m
Iberia
Mi 18/306:23
SAN
-
DUB
1 stop19h 17m
Iberia
Deal found 22/1£583
So 1/305:55
DUB
-
SAN
2 stops19h 55m
Delta
Mo 23/307:00
SAN
-
DUB
2 stops18h 00m
Delta
Deal found 20/1£593

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 22 Januar 2026.

Round-trip from

£523

One-way from

£302

Popular in

January

Cheapest in

May

Average price

£799
Scandinavian Airlines
  • Scandinavian Airlines
  • 7/3-14/3
  • 4 total stops
  • 57h 39m total
  • Dublin to San Diego
Search Deals
12/5
  • 12/5
  • 2 total stops
  • 35h 07m total
  • Dublin to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 22 Januar 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

Mo 13/4

09:30-18:05

1 stop16h 35m

San Diego

Mo 20/4

09:11-09:45

1 stop16h 34m

£516

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Di 14/4

09:30-18:05

1 stop16h 35m

San Diego

Mo 20/4

09:11-09:45

1 stop16h 34m

£523

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sa 7/2

08:50-22:32

2 stops21h 42m

San Diego

Sa 14/2

10:40-15:45

2 stops21h 05m

£572

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Do 5/2

05:55-19:08

2 stops21h 13m

San Diego

Mo 9/2

07:05-08:45

1 stop17h 40m

£574

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sa 7/3

05:55-16:24

2 stops18h 29m

San Diego

Sa 14/3

15:00-16:20

1 stop18h 20m

£577

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mi 4/3

11:30-21:59

1 stop18h 29m

San Diego

Mi 18/3

06:23-08:40

1 stop19h 17m

£583

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Di 14/4

19:05-22:46

2 stops35h 41m

San Diego

Mo 20/4

10:16-11:50

2 stops41h 34m

£614

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

So 1/3

11:30-23:25

2 stops19h 55m

San Diego

Do 5/3

07:50-10:15

2 stops18h 25m

£679

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fr 17/4

09:50-18:51

2 stops17h 01m

San Diego

Di 21/4

11:01-09:45

2 stops14h 44m

£680

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mi 4/3

16:35-15:45

3 stops31h 10m

San Diego

Mi 18/3

18:35-23:25

2 stops21h 50m

£681

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 20 results
1
2

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 return 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 £362). Flying from Dublin to San Diego in July is currently the most expensive (average of £603). 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 for a return flight from Dublin to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 22 Januar 2026.
Check out reviews from past customers who have flown with United Airlines from Dublin to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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?

    A quick flight from Dublin to San Diego can take about 16h 35m. Finnair provides one of the quickest options available for as low as £516. The distance from Dublin to San Diego is about 5194 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Dublin to San Diego round-trip?

    Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at £529. Users have found that United Airlines is 18% cheaper than the other options available to this destination.

  • 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 holiday 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 £362). Flying from Dublin to San Diego in July is currently the most expensive (average of £603). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Dublin to San Diego

Discover the top airline that operate flights from Dublin to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 Januar 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£529Average£759FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to San Diego?

Deals for Dublin to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Dublin to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to San Diego with no change fees?

Certainly. Search results for flights to San Diego from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dublin to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Dublin today and book when prices fit your budget.

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