HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$362+ Cheap flights from Ireland 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to San Diego with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 16, 2025.

Round-trip from

$724
(Scandinavian Airlines)

One-way from

$362
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$816
From Ireland to San Diego
Search Deals
One-way flight from Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT 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 June 16, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:05 pmDUB - SAN
2 stops36h 36mScandinavian Airlines
Fri 1/910:00 amSAN - DUB
2 stops39h 25mScandinavian Airlines
Deal found 6/14$724
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 12/59:00 amDUB - SAN
2 stops34h 40mUnited Airlines
Fri 1/97:10 amSAN - DUB
1 stop15h 50mUnited Airlines
Deal found 6/14$732
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:25 pmDUB - SAN
1 stop30h 40mDelta
Fri 1/911:50 amSAN - DUB
2 stops19h 50mDelta
Deal found 6/15$744
This ResecentrumGruppen deal was found by Cheapflights users on 6/15. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/301:15 pmDUB - SAN
1 stop18h 27mAir France
Wed 8/611:15 amSAN - DUB
1 stop14h 45mAir France
Deal found 6/15$834
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Wed 7/97:20 amDUB - SAN
3 stops38h 00mMultiple Airlines
Thu 7/176:15 amSAN - DUB
3 stops33h 10mMultiple Airlines
Deal found 6/14$844
This Aunt Betty deal was found by Cheapflights users on 6/15. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:20 amDUB - SAN
1 stop18h 18mAir Canada
Sun 8/178:10 amSAN - DUB
1 stop15h 35mAir Canada
Deal found 6/15$847
This KLM deal was found by Cheapflights users on 6/16. 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 7/238:45 pmDUB - SAN
1 stop23h 15mKLM
Mon 7/288:00 amSAN - DUB
1 stop16h 45mKLM
Deal found 6/16$866
This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:20 amDUB - SAN
2 stops22h 55mLufthansa
Sat 8/2311:17 amSAN - DUB
2 stops15h 03mLufthansa
Deal found 6/14$901
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2911:30 amDUB - SAN
1 stop15h 25mJetBlue
Tue 8/511:16 amSAN - DUB
1 stop13h 44mJetBlue
Deal found 6/14$903
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:00 pmDUB - SAN
2 stops33h 20mWestJet
Sun 8/172:05 pmSAN - DUB
3 stops35h 55mWestJet
Deal found 6/15$1,084
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 6/299:30 amSNN - SAN
1 stop32h 04mUnited Airlines
Thu 7/36:45 amSAN - SNN
2 stops16h 45mUnited Airlines
Deal found 6/12$1,162
This SmartFares deal was found by Cheapflights users on 6/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/291:05 pmSNN - SAN
1 stop15h 35mKLM
Thu 7/37:05 amSAN - SNN
1 stop20h 05mKLM
Deal found 6/13$1,407

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 16, 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 12/5

7:05 pm-11:41 pm

2 stops36h 36m

San Diego

Fri 1/9

10:00 am-9:25 am

2 stops39h 25m

$724

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 12/5

9:00 am-11:40 am

2 stops34h 40m

San Diego

Fri 1/9

7:10 am-7:00 am

1 stop15h 50m

$732

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 12/5

1:25 pm-12:05 pm

1 stop30h 40m

San Diego

Fri 1/9

11:50 am-3:40 pm

2 stops19h 50m

$744

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 7/30

1:15 pm-11:42 pm

1 stop18h 27m

San Diego

Wed 8/6

11:15 am-10:00 am

1 stop14h 45m

$834

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 7/9

7:20 am-1:20 pm

3 stops38h 00m

San Diego

Thu 7/17

6:15 am-11:25 pm

3 stops33h 10m

$844

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 8/4

9:20 am-7:38 pm

1 stop18h 18m

San Diego

Sun 8/17

8:10 am-7:45 am

1 stop15h 35m

$847

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 7/23

8:45 pm-12:00 pm

1 stop23h 15m

San Diego

Mon 7/28

6:15 am-8:45 am

1 stop18h 30m

$865

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 7/31

9:20 am-12:15 am

2 stops22h 55m

San Diego

Sat 8/23

11:17 am-10:20 am

2 stops15h 03m

$901

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 7/29

11:30 am-6:55 pm

1 stop15h 25m

San Diego

Tue 8/5

11:16 am-9:00 am

1 stop13h 44m

$903

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 8/4

12:00 pm-1:20 pm

2 stops33h 20m

San Diego

Sun 8/17

2:05 pm-10:00 am

3 stops35h 55m

$1,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 27 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 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 Ireland to San Diego

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

Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland 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 June 16, 2025.
To help decide which airline to fly from Ireland to San Diego, see what other customers have to say about Delta, KLM and Air France. 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
7,963 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
KLM
7.8
Good
1,361 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
United Airlines
7.4
Good
8,798 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

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 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?

    The cheapest airlines for a one-way flight from Ireland to San Diego are WestJet ($409), JetBlue ($548), and Scandinavian Airlines ($590).

  • What are the most popular routes from Ireland to San Diego?

    The most popular route from Ireland to San Diego is Dublin - San Diego. You may also consider Shannon - San Diego or Cork - San Diego.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland 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 Ireland?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Los Angeles flights
Heathrow to Los Angeles flights
Charles de Gaulle to San Francisco flights
Frankfurt to Los Angeles flights
Heathrow to San Francisco flights
Charles de Gaulle to Burbank flights
Frankfurt to San Francisco flights
Frankfurt to Las Vegas flights
Orly to Los Angeles flights
Charles de Gaulle to Long Beach flights
Heathrow to Las Vegas flights
Vienna to Los Angeles flights
London City to Los Angeles flights
Frederic Chopin to Los Angeles flights
Munich to Los Angeles flights
Orly to San Francisco flights
Barcelona-El Prat to San Francisco flights
Gatwick to Los Angeles flights
Amsterdam to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
Gatwick to San Francisco flights
Madrid to Los Angeles flights
Zurich to Los Angeles flights
Linate to Los Angeles flights
Malpensa to Los Angeles flights
London City to San Francisco flights
Orly to Las Vegas flights
Luton to Los Angeles flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Duesseldorf Intl to Los Angeles flights
Charles de Gaulle to Oakland flights
Gatwick to Las Vegas flights
Amsterdam to Las Vegas flights
Munich to San Francisco flights
Charles de Gaulle to Las Vegas flights
Heathrow to Ontario flights
Zurich to San Francisco flights
Istanbul to Los Angeles flights
Heathrow to Santa Ana flights
Madrid to Ontario flights
Heathrow to San Diego flights
Beauvais-Tille to Los Angeles flights
Leonardo da Vinci/Fiumicino to Ontario flights
Charles de Gaulle to San Jose flights
London City to Las Vegas flights
Istanbul to San Francisco flights

Top airline flying from Ireland to San Diego

Discover the top airline 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 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.