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Cheap flights from Dublin to San Diego from £328

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
7 יולי — 14 יולי1
1 adult

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 2 יולי 2025.

Round-trip from

£526

One-way from

£328

Popular in

August

Cheapest in

November

Average price

£731
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/8-31/8
  • 4 total stops
  • 82h 51m total
  • Dublin to San Diego
WestJet
  • WestJet
  • 28/8
  • 2 total stops
  • 35h 35m total
  • Dublin to San Diego
Highest demand for flights based on searches. 14% potential increase in price (£72 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 2 יולי 2025.

ו' 22/812:40DUB - SAN
2 stops42h 11mScandinavian Airlines
א' 31/811:10SAN - DUB
2 stops40h 40mScandinavian Airlines
Deal found 30/6£526
ו' 5/1213:25DUB - SAN
1 stop30h 40mDelta
ו' 9/112:35SAN - DUB
2 stops19h 05mDelta
Deal found 30/6£551
ו' 5/1208:50DUB - SAN
1 stop35h 15mKLM
ו' 9/107:00SAN - DUB
1 stop17h 45mKLM
Deal found 30/6£553
ו' 22/808:10DUB - SAN
3 stops41h 46mMultiple Airlines
א' 31/806:15SAN - DUB
3 stops23h 00mMultiple Airlines
Deal found 30/6£571
ב' 25/811:30DUB - SAN
1 stop15h 27mJetBlue
א' 7/910:10SAN - DUB
1 stop14h 10mJetBlue
Deal found 1/7£586
ה' 14/809:20DUB - SAN
2 stops17h 47mUnited Airlines
ה' 21/821:41SAN - DUB
2 stops26h 04mUnited Airlines
Deal found 30/6£636
ב' 4/811:35DUB - SAN
2 stops17h 03mLufthansa
ב' 18/811:17SAN - DUB
2 stops16h 08mLufthansa
Deal found 30/6£658

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 2 יולי 2025.
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

ו' 22/8

12:40-22:51

2 stops42h 11m

San Diego

א' 31/8

11:10-11:50

2 stops40h 40m

£526

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ו' 5/12

13:25-12:05

1 stop30h 40m

San Diego

ו' 9/1

12:35-15:40

2 stops19h 05m

£551

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ו' 5/12

08:50-12:05

1 stop35h 15m

San Diego

ו' 9/1

07:00-08:45

1 stop17h 45m

£553

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ו' 22/8

08:10-17:56

3 stops41h 46m

San Diego

א' 31/8

06:15-13:15

3 stops23h 00m

£571

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ב' 25/8

11:30-18:57

1 stop15h 27m

San Diego

א' 7/9

10:10-08:20

1 stop14h 10m

£586

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ה' 14/8

09:20-19:07

2 stops17h 47m

San Diego

ה' 21/8

21:41-07:45

2 stops26h 04m

£636

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ב' 4/8

11:35-20:38

2 stops17h 03m

San Diego

ב' 18/8

11:17-11:25

2 stops16h 08m

£658

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ה' 28/8

09:45-13:20

2 stops35h 35m

£328

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ד' 9/7

10:40-10:04

1 stop31h 24m

£455

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

ה' 31/7

12:40-19:49

1 stop15h 09m

£583

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 13 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

How far ahead should I book a flight from Dublin to San Diego?

Use this chart to determine the optimal time to book a return flight from Dublin to San Diego. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from Dublin to San Diego, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Dublin to San Diego (average of £585). Flying from Dublin to San Diego in July is currently the most expensive (average of £920). 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.

What is the cheapest time of day to fly from DUB to SAN?

Find hourly flight availability from Dublin to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 יולי 2025.

It’s typically best to fly out from Dublin to San Diego at midday. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

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 2 יולי 2025.
Check out reviews from past customers who have flown with Delta, KLM, andUnited 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.

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.
  • What are the cheapest airlines flying from Dublin to San Diego round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to San Diego, with prices starting at £526. Additional return tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at £551 and £553, respectively. Users have found that Scandinavian Airlines is 12% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £328. JetBlue flights start at £455 while deals on United Airlines start at £1,056 one-way.

  • 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, January is the cheapest month in which you can book a flight from Dublin to San Diego (average of £585). Flying from Dublin to San Diego in July is currently the most expensive (average of £920). 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 Dublin?

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

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Top 2 airlines flying from Dublin to San Diego

Discover the top 2 airlines 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 2 יולי 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£495Average£608FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£519Average£745FlexibilityNo 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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