Cheap flights from Ireland to San Diego from £335

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
23 Jul — 30 Jul1
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 18 July 2025.

Round-trip from

£506

One-way from

£335

Popular in

August

Cheapest in

November

Average price

£742
29/8-31/8
  • 29/8-31/8
  • 6 total stops
  • 56h 02m total
  • Ireland to San Diego
WestJet
  • WestJet
  • 13/10
  • 2 total stops
  • 57h 50m total
  • Ireland to San Diego
Highest demand for flights based on searches. 13% potential increase in price (£73 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 18 July 2025.

Fri 29/820:50DUB - SAN
3 stops34h 47mMultiple Airlines
Sun 31/806:15SAN - DUB
3 stops21h 15mMultiple Airlines
Deal found 16/7£506
Sat 30/810:15DUB - SAN
2 stops20h 39mScandinavian Airlines
Sat 6/907:30SAN - DUB
2 stops24h 40mScandinavian Airlines
Deal found 15/7£540
Fri 29/812:15DUB - SAN
2 stops39h 33mIcelandair
Sun 31/811:16SAN - DUB
2 stops17h 59mIcelandair
Deal found 16/7£590
Mon 1/910:40DUB - SAN
1 stop17h 08mJetBlue
Mon 8/910:10SAN - DUB
1 stop14h 10mJetBlue
Deal found 17/7£591
Fri 5/1205:55DUB - SAN
2 stops20h 44mDelta
Fri 9/111:50SAN - DUB
2 stops19h 55mDelta
Deal found 18/7£621
Fri 29/809:50DUB - SAN
2 stops20h 03mAir Canada
Sun 31/808:10SAN - DUB
1 stop15h 35mAir Canada
Deal found 16/7£639
Sat 30/809:20DUB - SAN
1 stop18h 18mUnited Airlines
Sat 6/910:54SAN - DUB
2 stops16h 16mUnited Airlines
Deal found 15/7£641
Mon 25/809:00DUB - SAN
2 stops18h 46mLufthansa
Sun 7/911:17SAN - DUB
2 stops15h 03mLufthansa
Deal found 18/7£646
Mon 1/918:40DUB - SAN
2 stops34h 08mSWISS
Mon 8/912:52SAN - DUB
2 stops39h 18mSWISS
Deal found 17/7£659
Wed 30/711:45DUB - SAN
1 stop20h 24mAmerican Airlines
Tue 12/816:20SAN - DUB
2 stops16h 45mAmerican Airlines
Deal found 16/7£734

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 18 July 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 29/8

20:50-23:37

3 stops34h 47m

San Diego

Sun 31/8

06:15-11:30

3 stops21h 15m

£506

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 30/8

10:15-22:54

2 stops20h 39m

San Diego

Sat 6/9

07:30-16:10

2 stops24h 40m

£540

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 29/8

12:15-19:48

2 stops39h 33m

San Diego

Sun 31/8

11:16-13:15

2 stops17h 59m

£590

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 1/9

10:40-19:48

1 stop17h 08m

San Diego

Mon 8/9

10:10-08:20

1 stop14h 10m

£591

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 8/1

05:00-17:10

2 stops20h 10m

San Diego

Tue 27/1

07:00-11:00

2 stops20h 00m

£600

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 8/1

08:50-20:57

2 stops20h 07m

San Diego

Tue 27/1

22:10-08:45

1 stop26h 35m

£607

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 8/1

08:50-16:10

1 stop15h 20m

San Diego

Tue 27/1

18:00-17:00

1 stop15h 00m

£614

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 29/8

09:50-21:53

2 stops20h 03m

San Diego

Sun 31/8

08:10-07:45

1 stop15h 35m

£639

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 30/8

09:20-19:38

1 stop18h 18m

San Diego

Sat 6/9

10:54-11:10

2 stops16h 16m

£641

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 1/9

18:40-20:48

2 stops34h 08m

San Diego

Mon 8/9

12:52-12:10

2 stops39h 18m

£659

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 18 results
1
2

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 18 July 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.

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 18 July 2025.
Get a feel of what it's like to fly with Delta, Finnair, andSWISS from Ireland to San Diego by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

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 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 £335. JetBlue flights start at £401 while deals on Finnair start at £407 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 San Diego?

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

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Alternative routes for Ireland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£502Average£620FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£530Average£760FlexibilityNo 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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