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

Flying on Delta is currently your cheapest option to San Diego, with prices starting at £543. Additional return tickets that might be worth considering are offered by KLM and British Airways, with the lowest prices starting at £544 and £581, respectively. Users have found that Delta is 10% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Dublin 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 £290. JetBlue flights start at £447 while deals on Finnair start at £642 one-way.

What is the cheapest day to fly from Dublin to San Diego?

Travellers seeking maximum savings on their Dublin to San Diego flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Dublin to San Diego?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 24% when planning your travel around this day of the week.

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

Find a great deal and save up to 80% by booking at least 22 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Dublin to San Diego within the next two weeks, with the cheapest ticket starting at £580.

What is the cheapest month to fly from Dublin to San Diego?

November is one of the best times of the year to fly to San Diego from Dublin. Prices for November average £605 per person but you can even find prices for as low as £476. The most expensive prices can be found in the month of August. Opting for a November flight can save you 24% on your journey compared to booking in August

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 holiday 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.

£280+ Flights from Dublin to San Diego

Cheap flight deals from Dublin to San Diego

Round-trip from	£543
One-way from	£280
Popular in	August
Cheapest in	November
Average price	£599

Delta
5/12-9/1
3 total stops
49h 45m total
Dublin to San Diego

Search Deals

17/6
3 total stops
40h 16m total
Dublin to San Diego

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£72 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 13 June 2025.

Fri 5/1213:25DUB - SAN

1 stop30h 40mDelta

Fri 9/112:35SAN - DUB

2 stops19h 05mDelta

Deal found 12/6£543

Fri 5/1208:50DUB - SAN

1 stop35h 15mKLM

Fri 9/107:00SAN - DUB

1 stop17h 45mKLM

Deal found 12/6£544

Thu 19/613:15DUB - SAN

1 stop31h 40mMultiple Airlines

Mon 23/613:55SAN - DUB

1 stop13h 35mMultiple Airlines

Deal found 12/6£567

Thu 19/611:30DUB - SAN

1 stop31h 02mJetBlue

Thu 3/721:35SAN - DUB

1 stop27h 25mJetBlue

Deal found 10/6£575

Tue 11/1117:55DUB - SAN

1 stop30h 10mBritish Airways

Mon 1/1218:10SAN - DUB

1 stop17h 25mBritish Airways

Deal found 11/6£581

Fri 14/1109:00DUB - SAN

3 stops20h 53mUnited Airlines

Sun 30/1122:00SAN - DUB

1 stop28h 05mUnited Airlines

Deal found 11/6£585

Thu 13/1105:00DUB - SAN

2 stops27h 12mLufthansa

Wed 3/1217:35SAN - DUB

1 stop15h 35mLufthansa

Deal found 11/6£587

Tue 11/1112:55DUB - SAN

2 stops41h 25mSWISS

Wed 3/1216:04SAN - DUB

2 stops17h 41mSWISS

Deal found 11/6£595

Wed 13/819:05DUB - SAN

2 stops36h 37mScandinavian Airlines

Sun 17/811:10SAN - DUB

2 stops40h 40mScandinavian Airlines

Deal found 11/6£618

Mon 14/709:45DUB - SAN

2 stops35h 35mWestJet

Mon 21/714:05SAN - DUB

2 stops34h 55mWestJet

Deal found 9/6£653

Thu 31/711:45DUB - SAN

1 stop16h 19mIberia

Sat 23/814:48SAN - DUB

1 stop34h 57mIberia

Deal found 11/6£681

Sat 9/809:20DUB - SAN

1 stop18h 18mAir Canada

Sat 23/822:30SAN - DUB

2 stops25h 45mAir Canada

Deal found 11/6£715

Best flights from Dublin to San Diego
Discover carefully curated flight deals from Dublin to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Fri 5/1213:25DUB - SAN

1 stop30h 40mDelta

Fri 9/112:35SAN - DUB

2 stops19h 05mDelta

Deal found 12/6£543

Fri 5/1208:50DUB - SAN

1 stop35h 15mKLM

Fri 9/107:00SAN - DUB

1 stop17h 45mKLM

Deal found 12/6£544

Fri 5/1211:30DUB - SAN

1 stop18h 12mMultiple Airlines

Fri 9/123:40SAN - DUB

1 stop25h 00mMultiple Airlines

Deal found 11/6£572

Tue 11/1120:30DUB - SAN

1 stop27h 35mBritish Airways

Sun 30/1118:10SAN - DUB

1 stop29h 45mBritish Airways

Deal found 11/6£581

Fri 14/1109:00DUB - SAN

3 stops20h 53mUnited Airlines

Sun 30/1122:00SAN - DUB

1 stop28h 05mUnited Airlines

Deal found 11/6£585

Thu 13/1105:00DUB - SAN

2 stops27h 12mLufthansa

Tue 2/1217:35SAN - DUB

1 stop15h 35mLufthansa

Deal found 11/6£587

Tue 11/1112:55DUB - SAN

2 stops41h 25mSWISS

Wed 3/1216:04SAN - DUB

2 stops17h 41mSWISS

Deal found 11/6£595

Wed 13/819:05DUB - SAN

2 stops36h 37mScandinavian Airlines

Sun 17/811:10SAN - DUB

2 stops40h 40mScandinavian Airlines

Deal found 11/6£618

Mon 14/709:45DUB - SAN

2 stops35h 35mWestJet

Mon 21/714:05SAN - DUB

2 stops34h 55mWestJet

Deal found 9/6£653

Sat 12/711:30DUB - SAN

1 stop15h 25mJetBlue

Sat 19/721:35SAN - DUB

1 stop27h 25mJetBlue

Deal found 12/6£658

Thu 31/711:45DUB - SAN

1 stop16h 19mIberia

Sat 23/814:48SAN - DUB

1 stop34h 57mIberia

Deal found 11/6£681

Sat 9/809:20DUB - SAN

1 stop18h 18mAir Canada

Sat 23/822:30SAN - DUB

2 stops25h 45mAir Canada

Deal found 11/6£715

Last-minute flights from Dublin to San Diego
Discover last-minute flight deals from Dublin to San Diego. Data last updated 13 June 2025 and is based on user searches.

Thu 19/605:55DUB - SAN

1 stop14h 05mKLM

Thu 3/708:00SAN - DUB

1 stop15h 55mKLM

Deal found 12/6£548

Thu 19/605:55DUB - SAN

2 stops18h 04mDelta

Thu 3/706:17SAN - DUB

2 stops17h 38mDelta

Deal found 12/6£553

Thu 19/613:15DUB - SAN

1 stop31h 40mMultiple Airlines

Mon 23/613:55SAN - DUB

1 stop13h 35mMultiple Airlines

Deal found 12/6£567

Thu 19/611:30DUB - SAN

1 stop31h 02mJetBlue

Thu 3/721:35SAN - DUB

1 stop27h 25mJetBlue

Deal found 10/6£575

Thu 19/609:20DUB - SAN

1 stop18h 18mUnited Airlines

Sat 5/708:45SAN - DUB

2 stops17h 35mUnited Airlines

Deal found 10/6£621

Thu 19/611:35DUB - SAN

2 stops17h 01mLufthansa

Thu 3/717:15SAN - DUB

1 stop15h 40mLufthansa

Deal found 10/6£786

Thu 19/608:40DUB - SAN

2 stops19h 56mSWISS

Thu 3/716:00SAN - DUB

2 stops17h 50mSWISS

Deal found 10/6£1,064

Thu 19/614:15DUB - SAN

2 stops17h 50mIcelandair

Thu 3/710:00SAN - DUB

2 stops17h 05mIcelandair

Deal found 11/6£1,236

Thu 19/618:50DUB - SAN

2 stops34h 24mTAP AIR PORTUGAL

Thu 3/711:00SAN - DUB

2 stops29h 05mTAP AIR PORTUGAL

Deal found 12/6£1,459

Thu 19/605:55DUB - SAN

1 stop14h 05mDelta

Thu 3/706:17SAN - DUB

2 stops17h 38mDelta

Deal found 12/6£548

Sat 21/613:45DUB - SAN

1 stop17h 41mFinnair

Sat 5/713:12SAN - DUB

1 stop14h 28mFinnair

Deal found 11/6£659

Sat 21/610:15DUB - SAN

2 stops20h 38mScandinavian Airlines

Sat 5/710:00SAN - DUB

3 stops24h 20mScandinavian Airlines

Deal found 10/6£1,268

One-way flights from Dublin to San Diego
Search for one-way flight options from Dublin to San Diego. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Tue 17/610:10DUB - SAN

3 stops40h 16mMultiple Airlines

Deal found 10/6£280

Wed 24/910:20DUB - SAN

2 stops35h 00mWestJet

Deal found 10/6£290

Tue 8/710:40DUB - SAN

1 stop17h 09mJetBlue

Deal found 10/6£447

Fri 25/713:45DUB - SAN

1 stop17h 42mFinnair

Deal found 10/6£642

Thu 16/1009:20DUB - SAN

3 stops20h 55mUnited Airlines

Deal found 10/6£939

Thu 21/812:00DUB - SAN

1 stop16h 44mDelta

Deal found 9/6£1,810

Mon 25/820:45DUB - SAN

1 stop23h 15mKLM

Deal found 11/6£1,820

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

13:25-12:05

1 stop30h 40m

San Diego

Fri 9/1

12:35-15:40

2 stops19h 05m

£543

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

08:50-12:05

1 stop35h 15m

San Diego

Fri 9/1

07:00-08:45

1 stop17h 45m

£544

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

11:30-21:42

1 stop18h 12m

San Diego

Fri 9/1

23:40-08:40

1 stop25h 00m

£572

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/11

17:55-16:05

1 stop30h 10m

San Diego

Mon 1/12

18:10-19:35

1 stop17h 25m

£581

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 14/11

09:00-21:53

3 stops20h 53m

San Diego

Sun 30/11

22:00-10:05

1 stop28h 05m

£585

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 13/11

05:00-00:12

2 stops27h 12m

San Diego

Wed 3/12

17:35-17:10

1 stop15h 35m

£587

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 11/11

12:55-22:20

2 stops41h 25m

San Diego

Wed 3/12

16:04-17:45

2 stops17h 41m

£595

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 13/8

19:05-23:42

2 stops36h 37m

San Diego

Sun 17/8

11:10-11:50

2 stops40h 40m

£618

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 14/7

09:45-13:20

2 stops35h 35m

San Diego

Mon 21/7

14:05-09:00

2 stops34h 55m

£653

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 12/7

11:30-18:55

1 stop15h 25m

San Diego

Sat 19/7

21:35-09:00

1 stop27h 25m

£658

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 24 results

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 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 Dublin to San Diego

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

To ensure you get the cheapest price possible for a flight from Dublin to San Diego, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Dublin to San Diego (average of £585). Flying from Dublin 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 DUB to SAN?

It’s typically best to fly out from Dublin to San Diego at midday. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing San Diego

To help decide which airline to fly from Dublin to San Diego, see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, 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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

1,624 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

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

Check prices

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

What are the cheapest airlines flying from Dublin to San Diego round-trip?
Flying on Delta is currently your cheapest option to San Diego, with prices starting at £543. Additional return tickets that might be worth considering are offered by KLM and British Airways, with the lowest prices starting at £544 and £581, respectively. Users have found that Delta is 10% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Dublin 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 £290. JetBlue flights start at £447 while deals on Finnair start at £642 one-way.
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 holiday 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, January is the cheapest month in which you can book a flight from Dublin to San Diego (average of £585). Flying from Dublin 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

Coronado

El Cajon

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Dublin to San Diego

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£498	Average£612	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£529	Average£751	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Dublin to San Diego?

Deals for Dublin to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Dublin to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to San Diego with no change fees?

Certainly. Search results for flights to San Diego from Dublin 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 Dublin to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Dublin today and book when prices fit your budget.

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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.

Cheap flights from Dublin to San Diego from £280

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dublin to San Diego

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dublin to San Diego

Cheapest flights from Dublin to San DiegoExplore 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 13 June 2025.

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 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

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.

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 return flight from Dublin to San Diego. Price data was last updated on 9 June 2025.

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

What is the cheapest time of day to fly from DUB to SAN?

Find hourly flight availability from Dublin 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 13 June 2025.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

To help decide which airline to fly from Dublin to San Diego, see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

Travelling to a place near Dublin?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to San Diego

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

Top 2 airlines flying from Dublin to San Diego

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 Dublin to San Diego?

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Diego?

Can Cheapflights find flights from Dublin to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to San Diego become cheaper?

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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 13 June 2025.