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$368+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$622
(Justfly.com)

One-way from

$368
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$774
Provider with most accurate pricing for Dublin-San Diego flight deals.
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Provider most trusted by Cheapflights users for Dublin-San Diego flights.
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From Ireland to San Diego
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One-way flight from Ireland to San Diego
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Highest demand for flights based on searches. 15% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/277:05 pmDUB - SAN
2 stops31h 15mScandinavian Airlines
Tue 6/36:34 amSAN - DUB
2 stops21h 16mScandinavian Airlines
Deal found 4/29$622
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Tue 5/66:40 pmDUB - SAN
3 stops37h 16mMultiple Airlines
Tue 5/136:15 amSAN - DUB
3 stops34h 55mMultiple Airlines
Deal found 4/29$704
This TravelUp deal was found by Cheapflights users on 4/29. 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.
Fri 6/611:00 amDUB - SAN
1 stop15h 00mBritish Airways
Mon 8/254:40 pmSAN - DUB
1 stop14h 00mBritish Airways
Deal found 4/29$728
This TravelUp deal was found by Cheapflights users on 4/29. 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.
Fri 6/65:55 amDUB - SAN
2 stops17h 02mKLM
Mon 8/258:50 amSAN - DUB
1 stop15h 05mKLM
Deal found 4/29$746
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/208:35 amDUB - SAN
1 stop14h 15mAmerican Airlines
Tue 5/274:40 pmSAN - DUB
1 stop16h 25mAmerican Airlines
Deal found 4/29$753
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:30 amDUB - SAN
1 stop20h 14mIberia
Fri 5/166:28 amSAN - DUB
1 stop16h 02mIberia
Deal found 4/29$758
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 5/85:55 amDUB - SAN
1 stop14h 05mDelta
Sat 5/242:10 pmSAN - DUB
2 stops16h 50mDelta
Deal found 4/29$760
This KLM deal was found by Cheapflights users on 4/29. 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.
Sun 5/186:00 amORK - SAN
1 stop14h 00mKLM
Sun 5/252:10 pmSAN - ORK
2 stops18h 25mKLM
Deal found 4/29$765
This JetBlue deal was found by Cheapflights users on 4/29. 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.
Thu 5/810:40 amDUB - SAN
1 stop16h 35mJetBlue
Sat 5/248:25 pmSAN - DUB
1 stop28h 35mJetBlue
Deal found 4/29$778
This United Airlines deal was found by Cheapflights users on 4/29. 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 22mUnited Airlines
Fri 1/97:10 amSAN - DUB
1 stop15h 50mUnited Airlines
Deal found 4/29$805
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/129:20 amDUB - SAN
2 stops20h 29mAir Canada
Mon 6/3012:45 pmSAN - DUB
1 stop35h 00mAir Canada
Deal found 4/29$810
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:40 amDUB - SAN
2 stops21h 34mSWISS
Sat 5/244:10 pmSAN - DUB
2 stops17h 40mSWISS
Deal found 4/29$867

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 April 29, 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

Tue 5/27

7:05 pm-6:20 pm

2 stops31h 15m

San Diego

Tue 6/3

6:34 am-11:50 am

2 stops21h 16m

$622

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 6/6

11:00 am-6:00 pm

1 stop15h 00m

San Diego

Mon 8/25

4:40 pm-2:40 pm

1 stop14h 00m

$728

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 5/19

6:25 am-7:13 am

3 stops32h 48m

San Diego

Mon 5/26

2:05 pm-10:00 am

3 stops35h 55m

$732

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 6/6

5:55 am-2:57 pm

2 stops17h 02m

San Diego

Mon 8/25

8:50 am-7:55 am

1 stop15h 05m

$746

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 5/20

8:35 am-2:50 pm

1 stop14h 15m

San Diego

Tue 5/27

4:40 pm-5:05 pm

1 stop16h 25m

$753

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

9:30 am-9:44 pm

1 stop20h 14m

San Diego

Fri 5/16

6:28 am-6:30 am

1 stop16h 02m

$758

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 5/27

5:55 am-12:00 pm

1 stop14h 05m

San Diego

Tue 6/3

6:20 am-7:55 am

1 stop17h 35m

$764

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Sun 5/18

6:00 am-12:00 pm

1 stop14h 00m

San Diego

Sun 5/25

2:10 pm-4:35 pm

2 stops18h 25m

$765

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 5/15

11:30 am-7:12 pm

1 stop15h 42m

San Diego

Mon 5/19

10:20 am-9:00 am

1 stop14h 40m

$778

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 6/12

9:20 am-9:49 pm

2 stops20h 29m

San Diego

Mon 6/30

12:45 pm-7:45 am

1 stop35h 00m

$810

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 30 results
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2
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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 April 29, 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 Transat. 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
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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 Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
2,922 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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 ($368), JetBlue ($541), and Aer Lingus ($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 Milltown (Kerry) Kerry - 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
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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Alternative routes for Ireland to San Diego

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%

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