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Cheap flights from Ireland to San Diego from £280

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Ireland to San Diego

Keep the following information in mind while searching for Ireland to San Diego flight deals. Data was last updated 13 June 2025.

Round-trip from

£543

One-way from

£280

Popular in

August

Cheapest in

November

Average price

£599
Delta
  • Delta
  • 5/12-9/1
  • 3 total stops
  • 49h 45m total
  • Ireland to San Diego
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 40h 16m total
  • Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ireland to San Diego

Cheapest flights from Ireland to San Diego
Explore the most affordable flight options available from Ireland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Fri 5/1213:25DUB - SAN
1 stop30h 40mDelta
Fri 9/112:35SAN - DUB
2 stops19h 05mDelta
Deal found 12/6£543
Fri 5/1208:50DUB - SAN
1 stop35h 15mKLM
Fri 9/107:00SAN - DUB
1 stop17h 45mKLM
Deal found 12/6£544
Thu 19/613:15DUB - SAN
1 stop31h 40mMultiple Airlines
Mon 23/613:55SAN - DUB
1 stop13h 35mMultiple Airlines
Deal found 12/6£567
Thu 19/611:30DUB - SAN
1 stop31h 02mJetBlue
Thu 3/721:35SAN - DUB
1 stop27h 25mJetBlue
Deal found 10/6£575
Tue 11/1117:55DUB - SAN
1 stop30h 10mBritish Airways
Mon 1/1218:10SAN - DUB
1 stop17h 25mBritish Airways
Deal found 11/6£581
Fri 14/1109:00DUB - SAN
3 stops20h 53mUnited Airlines
Sun 30/1122:00SAN - DUB
1 stop28h 05mUnited Airlines
Deal found 11/6£585
Thu 13/1105:00DUB - SAN
2 stops27h 12mLufthansa
Wed 3/1217:35SAN - DUB
1 stop15h 35mLufthansa
Deal found 11/6£587
Tue 11/1112:55DUB - SAN
2 stops41h 25mSWISS
Wed 3/1216:04SAN - DUB
2 stops17h 41mSWISS
Deal found 11/6£595
Wed 13/819:05DUB - SAN
2 stops36h 37mScandinavian Airlines
Sun 17/811:10SAN - DUB
2 stops40h 40mScandinavian Airlines
Deal found 11/6£618
Mon 14/709:45DUB - SAN
2 stops35h 35mWestJet
Mon 21/714:05SAN - DUB
2 stops34h 55mWestJet
Deal found 9/6£653
Thu 31/711:45DUB - SAN
1 stop16h 19mIberia
Sat 23/814:48SAN - DUB
1 stop34h 57mIberia
Deal found 11/6£681
Sat 9/809:20DUB - SAN
1 stop18h 18mAir Canada
Sat 23/822:30SAN - DUB
2 stops25h 45mAir Canada
Deal found 11/6£715

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland 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 13 June 2025.
Use the filters below to find and compare flights from Ireland to San Diego that are best for you.

Fly from

Ireland

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

13:25-12:05

1 stop30h 40m

San Diego

Fri 9/1

12:35-15:40

2 stops19h 05m

£543

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

08:50-12:05

1 stop35h 15m

San Diego

Fri 9/1

07:00-08:45

1 stop17h 45m

£544

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

11:30-21:42

1 stop18h 12m

San Diego

Fri 9/1

23:40-08:40

1 stop25h 00m

£572

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/11

17:55-16:05

1 stop30h 10m

San Diego

Mon 1/12

18:10-19:35

1 stop17h 25m

£581

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 14/11

09:00-21:53

3 stops20h 53m

San Diego

Sun 30/11

22:00-10:05

1 stop28h 05m

£585

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 13/11

05:00-00:12

2 stops27h 12m

San Diego

Wed 3/12

17:35-17:10

1 stop15h 35m

£587

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/11

12:55-22:20

2 stops41h 25m

San Diego

Wed 3/12

16:04-17:45

2 stops17h 41m

£595

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 13/8

19:05-23:42

2 stops36h 37m

San Diego

Sun 17/8

11:10-11:50

2 stops40h 40m

£618

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 14/7

09:45-13:20

2 stops35h 35m

San Diego

Mon 21/7

14:05-09:00

2 stops34h 55m

£653

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 12/7

11:30-18:55

1 stop15h 25m

San Diego

Sat 19/7

21:35-09:00

1 stop27h 25m

£658

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Ireland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ireland 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 Ireland to San Diego

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

Currently, January is the cheapest month in which you can book a flight from Ireland to San Diego (average of £585). Flying from Ireland 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 IE to SAN?

Find hourly flight availability from Ireland 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 13 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to San Diego as you normally would.

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 13 June 2025.
To help decide which airline to fly from Ireland to San Diego, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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 Ireland 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 airport do you fly into for flights to San Diego from Ireland?

    For a flight from Ireland to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

  • What are the cheapest airlines to fly from Ireland 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 £290. JetBlue flights start at £447 while deals on Finnair start at £642 one-way.

  • Can I find deals for flights from Ireland to San Diego that include hotel bookings?

    Yes. In addition to deals on Ireland to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Diego.

  • Can I find deals for business class flights from Ireland to San Diego?

    Yes. Cheapflights offers flight deals from Ireland 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 Ireland to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Ireland to San Diego (average of £585). Flying from Ireland 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 Ireland?

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

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Alternative routes for Ireland to San Diego

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Top 2 airlines flying from Ireland to San Diego

Discover the top 2 airlines that operate flights from Ireland 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£498Average£612FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£529Average£751FlexibilityNo 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 Ireland to San Diego?

Cheapflights helps you search for flights from Ireland to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to San Diego from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to San Diego from Ireland 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 Ireland to San Diego become cheaper?

Yes, Cheapflights offers price alerts on Ireland to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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