San Diego

$319+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Apr 20 — Apr 271
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Dublin to San Diego are usually found in November or February, booked 21 days in advance, depart on a Friday or Monday and return on a Monday

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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$560
(Global Flight Catchers)

One-way from

$319
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$774
Provider with most accurate pricing for Dublin-San Diego flight deals.
Provider most trusted by Cheapflights users for Dublin-San Diego flights.
From Dublin to San Diego
One-way flight from Dublin to San Diego
Highest demand for flights based on searches. 15% potential increase in price ($150 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT 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 April 15, 2025.

This Global Flight Catchers deal was found by Cheapflights users on 4/14. 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 Global Flight Catchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:05 pmDUB - SAN
2 stops31h 46mScandinavian Airlines
Wed 5/142:10 pmSAN - DUB
2 stops37h 40mScandinavian Airlines
Deal found 4/14$560
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:45 amDUB - SAN
2 stops34h 08mMultiple Airlines
Thu 5/291:00 pmSAN - DUB
3 stops35h 25mMultiple Airlines
Deal found 4/14$659
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/1011:30 amDUB - SAN
2 stops32h 39mWestJet
Mon 5/262:05 pmSAN - DUB
1 stop12h 45mWestJet
Deal found 4/14$704
This TravelUp deal was found by Cheapflights users on 4/15. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:30 amDUB - SAN
1 stop14h 20mBritish Airways
Wed 5/147:50 pmSAN - DUB
1 stop13h 40mBritish Airways
Deal found 4/15$728
This Aer Lingus deal was found by Cheapflights users on 4/15. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:50 amDUB - SAN
1 stop17h 10mAer Lingus
Mon 5/267:50 pmSAN - DUB
1 stop17h 05mAer Lingus
Deal found 4/15$748
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/101:20 pmDUB - SAN
1 stop30h 40mDelta
Mon 5/262:10 pmSAN - DUB
2 stops16h 50mDelta
Deal found 4/14$759
This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:20 pmDUB - SAN
1 stop30h 40mKLM
Wed 5/146:20 amSAN - DUB
1 stop17h 25mKLM
Deal found 4/14$762
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:30 amDUB - SAN
1 stop16h 59mAmerican Airlines
Mon 5/266:28 amSAN - DUB
1 stop16h 02mAmerican Airlines
Deal found 4/15$778
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:05 pmDUB - SAN
1 stop13h 58mIberia
Fri 1/99:52 amSAN - DUB
1 stop14h 48mIberia
Deal found 4/15$783
This JetBlue deal was found by Cheapflights users on 4/15. 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.
Mon 6/1611:30 amDUB - SAN
1 stop15h 28mJetBlue
Mon 9/2210:15 amSAN - DUB
1 stop14h 05mJetBlue
Deal found 4/15$786
This TravelUp deal was found by Cheapflights users on 4/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/105:55 amDUB - SAN
2 stops20h 30mLufthansa
Sat 2/75:20 pmSAN - DUB
1 stop15h 55mLufthansa
Deal found 4/14$801
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/169:20 amDUB - SAN
1 stop18h 25mUnited Airlines
Mon 6/306:41 pmSAN - DUB
2 stops28h 39mUnited Airlines
Deal found 4/14$845

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 April 15, 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

Wed 5/7

7:05 pm-6:51 pm

2 stops31h 46m

San Diego

Wed 5/14

2:10 pm-11:50 am

2 stops37h 40m

$560

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 5/22

9:45 am-11:53 am

2 stops34h 08m

San Diego

Thu 5/29

1:00 pm-8:25 am

3 stops35h 25m

$659

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

11:30 am-12:09 pm

2 stops32h 39m

San Diego

Mon 5/26

2:05 pm-10:50 am

1 stop12h 45m

$704

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/7

8:30 am-2:50 pm

1 stop14h 20m

San Diego

Wed 5/14

7:50 pm-5:30 pm

1 stop13h 40m

$728

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

8:50 am-6:00 pm

1 stop17h 10m

San Diego

Mon 5/26

7:50 pm-8:55 pm

1 stop17h 05m

$748

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

1:20 pm-12:00 pm

1 stop30h 40m

San Diego

Mon 5/26

2:10 pm-3:00 pm

2 stops16h 50m

$759

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/7

1:20 pm-12:00 pm

1 stop30h 40m

San Diego

Wed 5/14

6:20 am-7:45 am

1 stop17h 25m

$762

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

9:30 am-6:29 pm

1 stop16h 59m

San Diego

Mon 5/26

6:28 am-6:30 am

1 stop16h 02m

$778

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 6/16

11:30 am-6:58 pm

1 stop15h 28m

San Diego

Mon 9/22

10:15 am-8:20 am

1 stop14h 05m

$786

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 6/16

12:40 pm-7:38 pm

1 stop14h 58m

San Diego

Mon 6/30

3:27 pm-9:45 am

1 stop34h 18m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 22 results
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Dublin-San Diego flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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

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

Use this chart to determine the optimal time to book a round-trip flight from Dublin to San Diego. Price data was last updated on April 11, 2025.

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Dublin to San Diego (average of $286). Flying from Dublin to San Diego in March is currently the most expensive (average of $366). 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.

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 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 15, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Dublin to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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?

    Scandinavian Airlines, at $560, was found to be the cheapest airline from Dublin to San Diego.Alternate airlines to your destination round-trip include WestJet and British Airways. Scandinavian Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • 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 WestJet ($365), JetBlue ($528), and Aer Lingus ($596).

  • 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, August is the cheapest month in which you can book a flight from Dublin to San Diego (average of $286). Flying from Dublin to San Diego in March is currently the most expensive (average of $366). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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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 2,558,603 searches. Data last updated April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$692Average$808FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$808Average$841FlexibilityNo cancel feeOn-time71%

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