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Cheap flights from Dublin to San Diego from £327

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£427

One-way from

£327

Popular in

August

Cheapest in

November

Average price

£592
Scandinavian Airlines
  • Scandinavian Airlines
  • 26/4-10/5
  • 4 total stops
  • 41h 30m total
  • Dublin to San Diego
WestJet
  • WestJet
  • 9/5
  • 2 total stops
  • 33h 50m total
  • Dublin to San Diego
Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in March 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 25 March 2025.

Sat 26/410:15DUB - SAN
2 stops20h 34mScandinavian Airlines
Sat 10/506:34SAN - DUB
2 stops20h 56mScandinavian Airlines
Deal found 25/3£427
Fri 9/511:30DUB - SAN
3 stops33h 50mMultiple Airlines
Sun 11/506:15SAN - DUB
3 stops31h 50mMultiple Airlines
Deal found 23/3£516
Fri 9/511:10DUB - SAN
2 stops17h 27mKLM
Sun 11/513:55SAN - DUB
1 stop22h 20mKLM
Deal found 23/3£551
Fri 9/513:15DUB - SAN
1 stop18h 38mAir France
Sun 11/506:15SAN - DUB
1 stop19h 45mAir France
Deal found 23/3£554
Mon 31/305:55DUB - SAN
2 stops19h 04mDelta
Sun 13/412:02SAN - DUB
2 stops18h 58mDelta
Deal found 24/3£561
Fri 2/512:40DUB - SAN
1 stop19h 16mFinnair
Sat 10/509:25SAN - DUB
1 stop16h 20mFinnair
Deal found 24/3£567
Mon 16/611:45DUB - SAN
1 stop15h 13mJetBlue
Mon 30/610:15SAN - DUB
1 stop14h 45mJetBlue
Deal found 24/3£592
Fri 9/509:20DUB - SAN
1 stop34h 40mUnited Airlines
Fri 16/510:30SAN - DUB
2 stops16h 40mUnited Airlines
Deal found 25/3£621
Sun 30/310:30DUB - SAN
1 stop15h 30mBritish Airways
Sun 6/419:50SAN - DUB
1 stop15h 45mBritish Airways
Deal found 24/3£682
Thu 31/709:30DUB - SAN
2 stops16h 26mAmerican Airlines
Sat 23/822:46SAN - DUB
2 stops23h 44mAmerican Airlines
Deal found 24/3£693
Thu 8/508:40DUB - SAN
2 stops19h 44mSWISS
Thu 15/513:25SAN - DUB
2 stops34h 30mSWISS
Deal found 23/3£735
Fri 25/711:35DUB - SAN
1 stop19h 09mLufthansa
Sun 17/810:54SAN - DUB
2 stops15h 26mLufthansa
Deal found 23/3£809

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 25 March 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

Sat 26/4

10:15-22:49

2 stops20h 34m

San Diego

Sat 10/5

06:34-11:30

2 stops20h 56m

£427

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/5

11:30-13:20

3 stops33h 50m

San Diego

Sun 11/5

06:15-22:05

3 stops31h 50m

£516

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/5

11:10-20:37

2 stops17h 27m

San Diego

Sun 11/5

13:55-20:15

1 stop22h 20m

£551

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/5

13:15-23:53

1 stop18h 38m

San Diego

Sun 11/5

06:15-10:00

1 stop19h 45m

£554

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 8/5

05:55-12:00

1 stop14h 05m

San Diego

Thu 15/5

14:10-16:40

2 stops18h 30m

£565

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/5

12:40-23:56

1 stop19h 16m

San Diego

Wed 7/5

09:25-09:45

1 stop16h 20m

£567

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 16/6

11:45-18:58

1 stop15h 13m

San Diego

Mon 30/6

10:15-09:00

1 stop14h 45m

£592

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/5

09:20-12:00

1 stop34h 40m

San Diego

Fri 16/5

10:30-11:10

2 stops16h 40m

£621

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 31/7

09:30-17:56

2 stops16h 26m

San Diego

Sat 23/8

22:46-06:30

2 stops23h 44m

£693

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 8/5

08:40-20:24

2 stops19h 44m

San Diego

Thu 15/5

13:25-07:55

2 stops34h 30m

£735

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 17 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 21 March 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 25 March 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 25 March 2025.
To help decide which airline to fly from Dublin to San Diego, see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

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 £427. Additional return tickets that might be worth considering are offered by KLM and Air France, with the lowest prices starting at £551 and £554, respectively. Users have found that Scandinavian Airlines is 33% 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 £327. United Airlines flights start at £920 while deals on Air France start at £1,800 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
El Cajon

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Top 3 airlines flying from Dublin to San Diego

Discover the top 3 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£523Average£643FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£524Average£718FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£556Average£703FlexibilityNo 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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