San Diego

$382+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
ago. 5 — ago. 121
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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 julio 31, 2025.

Round-trip from

$680
(Trip.com)

One-way from

$382
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$994
From Ireland to San Diego
One-way flight from Ireland to San Diego
Highest demand for flights based on searches. 13% potential increase in price ($133 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT 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 julio 31, 2025.

This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/112:50 pmDUB - SAN
1 stop15h 29mMultiple Airlines
lun. 9/158:33 amSAN - DUB
1 stop15h 42mMultiple Airlines
Deal found 7/30$680
This Bravofly deal was found by Cheapflights users on 7/31. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2811:30 amDUB - SAN
1 stop15h 27mJetBlue
mié. 9/108:55 pmSAN - DUB
1 stop28h 05mJetBlue
Deal found 7/31$771
This TravelUp deal was found by Cheapflights users on 7/31. 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.
mié. 12/243:10 pmDUB - SAN
1 stop33h 00mBritish Airways
dom. 1/46:00 pmSAN - DUB
1 stop31h 50mBritish Airways
Deal found 7/31$779
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1212:15 pmDUB - SAN
2 stops18h 43mIcelandair
vie. 9/199:35 pmSAN - DUB
2 stops29h 30mIcelandair
Deal found 7/29$795
This United Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 11/59:00 amDUB - SAN
1 stop34h 18mUnited Airlines
sáb. 11/296:15 amSAN - DUB
2 stops17h 55mUnited Airlines
Deal found 7/30$809
This Delta deal was found by Cheapflights users on 7/29. 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.
jue. 11/138:50 amDUB - SAN
2 stops22h 34mDelta
jue. 11/2010:05 amSAN - DUB
2 stops21h 40mDelta
Deal found 7/29$813
This Aunt Betty deal was found by Cheapflights users on 7/31. 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.
jue. 8/289:50 amDUB - SAN
2 stops20h 03mAir Canada
mié. 9/108:10 amSAN - DUB
1 stop15h 35mAir Canada
Deal found 7/31$849
This American Airlines deal was found by Cheapflights users on 7/29. 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.
jue. 8/288:35 amDUB - SAN
1 stop14h 15mAmerican Airlines
mié. 9/106:22 amSAN - DUB
1 stop16h 08mAmerican Airlines
Deal found 7/29$881
This SmartFares deal was found by Cheapflights users on 7/30. 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.
jue. 8/149:15 pmSNN - SAN
2 stops34h 08mAer Lingus
lun. 8/187:50 pmSAN - SNN
1 stop16h 45mAer Lingus
Deal found 7/30$1,046
This SmartFares deal was found by Cheapflights users on 7/30. 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.
jue. 8/148:30 pmORK - SAN
1 stop29h 30mAer Lingus
lun. 8/187:50 pmSAN - ORK
1 stop19h 55mAer Lingus
Deal found 7/30$1,058
This KLM deal was found by Cheapflights users on 7/30. 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.
jue. 8/146:00 amORK - SAN
1 stop14h 00mMultiple Airlines
lun. 8/1811:21 amSAN - ORK
2 stops19h 39mMultiple Airlines
Deal found 7/30$1,105
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 8/146:00 amORK - SAN
2 stops20h 24mDelta
lun. 8/186:20 amSAN - ORK
2 stops24h 40mDelta
Deal found 7/30$1,111

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 julio 31, 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

lun. 9/1

12:50 pm-8:19 pm

1 stop15h 29m

San Diego

lun. 9/15

8:33 am-8:15 am

1 stop15h 42m

$680

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jue. 8/28

11:30 am-6:57 pm

1 stop15h 27m

San Diego

mié. 9/10

8:55 pm-9:00 am

1 stop28h 05m

$771

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

mié. 12/24

3:10 pm-4:10 pm

1 stop33h 00m

San Diego

dom. 1/4

6:00 pm-9:50 am

1 stop31h 50m

$779

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

vie. 9/12

12:15 pm-10:58 pm

2 stops18h 43m

San Diego

vie. 9/19

9:35 pm-11:05 am

2 stops29h 30m

$795

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

mié. 11/5

9:00 am-11:18 am

1 stop34h 18m

San Diego

sáb. 11/29

6:15 am-8:10 am

2 stops17h 55m

$809

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jue. 11/13

8:50 am-11:24 pm

2 stops22h 34m

San Diego

jue. 11/20

10:05 am-3:45 pm

2 stops21h 40m

$813

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jue. 8/28

9:50 am-9:53 pm

2 stops20h 03m

San Diego

mié. 9/10

8:10 am-7:45 am

1 stop15h 35m

$849

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

jue. 8/28

8:35 am-2:50 pm

1 stop14h 15m

San Diego

mié. 9/10

6:22 am-6:30 am

1 stop16h 08m

$881

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

jue. 8/14

9:15 pm-11:23 pm

2 stops34h 08m

San Diego

lun. 8/18

7:50 pm-8:35 pm

1 stop16h 45m

$1,046

CorkSan Diego

ORK - SAN

ORKSAN

Cork

jue. 8/14

8:30 pm-6:00 pm

1 stop29h 30m

San Diego

lun. 8/18

7:50 pm-11:45 pm

1 stop19h 55m

$1,058

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 24 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.

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 julio 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Ireland to San Diego to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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 Icelandair ($508), JetBlue ($589), and Aer Lingus ($620).

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

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

Browse thousands of different options on Cheapflights for your next trip

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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 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%

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