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Cheap flights from Dublin to San Diego from £399

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
17 Apr — 24 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 12 April 2025.

Round-trip from

£449

One-way from

£399

Popular in

August

Cheapest in

November

Average price

£593
Scandinavian Airlines
  • Scandinavian Airlines
  • 8/5-12/5
  • 4 total stops
  • 74h 28m total
  • Dublin to San Diego
WestJet
  • WestJet
  • 28/8
  • 2 total stops
  • 57h 50m total
  • Dublin to San Diego
Highest demand for flights based on searches. 15% potential increase in price (£86 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 April 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 12 April 2025.

Thu 8/519:05DUB - SAN
2 stops36h 48mScandinavian Airlines
Mon 12/514:10SAN - DUB
2 stops37h 40mScandinavian Airlines
Deal found 10/4£449
Wed 7/513:20DUB - SAN
1 stop30h 40mKLM
Wed 14/508:25SAN - DUB
1 stop15h 30mKLM
Deal found 11/4£570
Wed 7/508:55DUB - SAN
1 stop35h 05mMultiple Airlines
Wed 14/506:34SAN - DUB
1 stop18h 41mMultiple Airlines
Deal found 11/4£571
Fri 25/405:55DUB - SAN
2 stops18h 57mDelta
Fri 2/506:15SAN - DUB
2 stops18h 00mDelta
Deal found 11/4£572
Tue 27/510:40DUB - SAN
1 stop16h 35mJetBlue
Tue 3/610:20SAN - DUB
1 stop14h 40mJetBlue
Deal found 11/4£593
Fri 5/1209:00DUB - SAN
2 stops34h 22mUnited Airlines
Fri 9/107:10SAN - DUB
1 stop15h 50mUnited Airlines
Deal found 10/4£596
Sat 9/812:40DUB - SAN
1 stop15h 12mIberia
Sat 23/814:51SAN - DUB
1 stop34h 54mIberia
Deal found 11/4£678
Sat 7/613:45DUB - SAN
1 stop17h 41mFinnair
Sun 22/613:00SAN - DUB
1 stop14h 40mFinnair
Deal found 11/4£689
Tue 28/1013:30DUB - SAN
1 stop14h 37mAer Lingus
Wed 12/1118:10SAN - DUB
1 stop13h 30mAer Lingus
Deal found 11/4£1,614
Thu 30/1008:40DUB - SAN
1 stop15h 25mBritish Airways
Wed 12/1118:10SAN - DUB
1 stop17h 30mBritish Airways
Deal found 11/4£1,690

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 12 April 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

Thu 8/5

19:05-23:53

2 stops36h 48m

San Diego

Mon 12/5

14:10-11:50

2 stops37h 40m

£449

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 7/5

13:20-12:00

1 stop30h 40m

San Diego

Wed 14/5

08:25-07:55

1 stop15h 30m

£570

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 7/5

08:55-12:00

1 stop35h 05m

San Diego

Wed 14/5

06:34-09:15

1 stop18h 41m

£571

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 25/4

05:55-16:52

2 stops18h 57m

San Diego

Fri 2/5

06:15-08:15

2 stops18h 00m

£572

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 27/5

10:40-19:15

1 stop16h 35m

San Diego

Tue 3/6

10:20-09:00

1 stop14h 40m

£593

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 24/4

09:50-11:48

1 stop33h 58m

San Diego

Thu 1/5

06:15-07:20

2 stops17h 05m

£635

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 9/8

12:40-19:52

1 stop15h 12m

San Diego

Sat 23/8

14:51-09:45

1 stop34h 54m

£678

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 7/6

13:45-23:26

1 stop17h 41m

San Diego

Sun 22/6

13:00-11:40

1 stop14h 40m

£689

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 28/8

11:30-13:20

2 stops57h 50m

£399

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 9/5

11:30-19:12

1 stop15h 42m

£405

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 12 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 4 April 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 12 April 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 12 April 2025.

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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 £449. Additional return tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at £570 and £572, respectively. Users have found that Scandinavian Airlines is 29% 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 £399. JetBlue flights start at £405 while deals on United Airlines start at £933 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 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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£518Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£550Average£782FlexibilityNo 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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