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$371+ Cheap flights from Dublin (DUB) 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dublin to San Diego are usually found in November or February, booked 21 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Dublin to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$665
(FlightHub)

One-way from

$371
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$814
From Dublin to San Diego
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One-way flight from Dublin to San Diego
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Highest demand for flights based on searches. 14% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dublin to San Diego

Cheapest flights from Dublin to San Diego
Explore the most affordable flight options available from Dublin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:05 pmDUB - SAN
2 stops31h 51mScandinavian Airlines
Tue 10/1410:00 amSAN - DUB
2 stops24h 15mScandinavian Airlines
Deal found 6/11$665
This Delta 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 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 1/912:35 pmSAN - DUB
2 stops19h 05mDelta
Deal found 6/12$738
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:50 amDUB - SAN
1 stop35h 15mKLM
Fri 1/97:00 amSAN - DUB
1 stop17h 45mKLM
Deal found 6/12$739
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/198:35 amDUB - SAN
1 stop17h 25mBritish Airways
Sat 7/57:50 pmSAN - DUB
1 stop15h 35mBritish Airways
Deal found 6/10$759
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/191:15 pmDUB - SAN
1 stop31h 40mMultiple Airlines
Mon 6/231:55 pmSAN - DUB
1 stop13h 35mMultiple Airlines
Deal found 6/12$771
This JetBlue deal was found by Cheapflights users on 6/10. 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 6/1911:30 amDUB - SAN
1 stop31h 02mJetBlue
Thu 7/39:35 pmSAN - DUB
1 stop27h 25mJetBlue
Deal found 6/10$781
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/149:00 amDUB - SAN
3 stops20h 53mUnited Airlines
Sun 11/3010:00 pmSAN - DUB
1 stop28h 05mUnited Airlines
Deal found 6/11$795
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:00 amDUB - SAN
2 stops27h 12mLufthansa
Wed 12/35:35 pmSAN - DUB
1 stop15h 35mLufthansa
Deal found 6/11$797
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:00 amDUB - SAN
1 stop33h 53mAir Canada
Fri 11/2811:50 amSAN - DUB
1 stop35h 20mAir Canada
Deal found 6/11$807
This SWISS deal was found by Cheapflights users on 6/11. 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.
Tue 11/1112:55 pmDUB - SAN
2 stops41h 25mSWISS
Wed 12/34:04 pmSAN - DUB
2 stops17h 41mSWISS
Deal found 6/11$809
This lol.travel deal was found by Cheapflights users on 6/11. 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 7/269:30 amDUB - SAN
1 stop19h 52mIberia
Sat 8/22:50 pmSAN - DUB
1 stop12h 50mIberia
Deal found 6/11$869
This WestJet deal was found by Cheapflights users on 6/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/149:45 amDUB - SAN
2 stops35h 35mWestJet
Mon 7/212:05 pmSAN - DUB
2 stops34h 55mWestJet
Deal found 6/9$887

Cheapflights Fare Finder

Customize your flight search to find flights from Dublin 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 12, 2025.
Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

Fly from

Dublin

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 10/8

7:05 pm-6:56 pm

2 stops31h 51m

San Diego

Tue 10/14

10:00 am-6:15 pm

2 stops24h 15m

$665

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 12/5

1:25 pm-12:05 pm

1 stop30h 40m

San Diego

Fri 1/9

12:35 pm-3:40 pm

2 stops19h 05m

$738

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 12/5

8:50 am-12:05 pm

1 stop35h 15m

San Diego

Fri 1/9

7:00 am-8:45 am

1 stop17h 45m

$739

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 10/8

10:50 am-6:00 pm

1 stop15h 10m

San Diego

Tue 10/14

4:40 pm-7:30 pm

1 stop18h 50m

$759

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 11/14

2:05 pm-8:26 am

1 stop26h 21m

San Diego

Sun 11/30

8:40 am-7:15 am

1 stop14h 35m

$777

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 11/14

9:00 am-9:53 pm

3 stops20h 53m

San Diego

Sun 11/30

10:00 pm-10:05 am

1 stop28h 05m

$795

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 11/13

5:00 am-12:12 am

2 stops27h 12m

San Diego

Tue 12/2

5:35 pm-5:10 pm

1 stop15h 35m

$797

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 11/15

9:00 am-10:53 am

1 stop33h 53m

San Diego

Fri 11/28

11:50 am-7:10 am

1 stop35h 20m

$807

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/11

12:55 pm-10:20 pm

2 stops41h 25m

San Diego

Wed 12/3

4:04 pm-5:45 pm

2 stops17h 41m

$809

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 7/26

9:30 am-9:22 pm

1 stop19h 52m

San Diego

Sat 8/2

2:50 pm-11:40 am

1 stop12h 50m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Dublin to San Diego

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

How far ahead should I book a flight from Dublin to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to San Diego. Price data was last updated on June 9, 2025.

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Dublin to San Diego (average of $286). Flying from Dublin 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 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Dublin to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

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 Dublin 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 are the cheapest airlines flying from Dublin to San Diego round-trip?

    Scandinavian Airlines, at $665, was found to be the cheapest airline from Dublin to San Diego.Alternate airlines to your destination round-trip include Delta and KLM. Scandinavian Airlines is priced at 19% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Dublin to San Diego one-way?

    The cheapest airlines for a one-way flight from Dublin to San Diego are WestJet ($394), Icelandair ($480), and JetBlue ($607).

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

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

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

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

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

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

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

Book flights to Dublin 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

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Top airline flying from Dublin to San Diego

Discover the top airline that operate flights from Dublin 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%

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