What are the cheapest airlines to fly from Ireland 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 £340. United Airlines flights start at £843 while deals on TAP AIR PORTUGAL start at £1,054 one-way.

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

Users have found that booking a flight from Ireland to San Diego at least 9 days early can save you up to 33% on average compared to booking a flight this week. If booking 9 days before your flight isn’t an option for you, users have found flights from Ireland to San Diego for as little as £553 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £738 for flights departing within the next 3 days.

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

November can be a great time to fly to San Diego from Ireland with a flight ticket averaging about £663. Cheapflights users have found deals in the month of November for as cheap as £511. The most expensive prices can be found in the month of August.

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.

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 holiday 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.

£954+ Flights from Ireland to San Diego

Cheap flight deals from Ireland to San Diego

Round-trip from	£440
One-way from	£340
Popular in	August
Cheapest in	November
Average price	£577

1/4-7/4
5 total stops
69h 59m total
Ireland to San Diego

Search Deals

WestJet
22/6
2 total stops
33h 50m total
Ireland to San Diego

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£88 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 22 February 2025.

Tue 1/419:05DUB - SAN

3 stops44h 34mMultiple Airlines

Mon 7/408:50SAN - DUB

2 stops25h 25mMultiple Airlines

Deal found 21/2£440

Thu 10/410:40DUB - SAN

1 stop15h 20mBritish Airways

Mon 14/419:50SAN - DUB

1 stop15h 45mBritish Airways

Deal found 21/2£534

Sun 23/305:55DUB - SAN

2 stops23h 25mDelta

Sun 30/322:17SAN - DUB

1 stop26h 58mDelta

Deal found 21/2£560

Fri 21/310:45DUB - SAN

1 stop16h 31mKLM

Fri 4/407:15SAN - DUB

1 stop18h 00mKLM

Deal found 21/2£568

Sun 2/1109:00DUB - SAN

1 stop33h 53mUnited Airlines

Tue 11/1112:50SAN - DUB

1 stop13h 15mUnited Airlines

Deal found 21/2£576

Sat 1/1114:05DUB - SAN

2 stops26h 21mAmerican Airlines

Sat 8/1110:51SAN - DUB

2 stops17h 49mAmerican Airlines

Deal found 21/2£579

Thu 30/1008:30DUB - SAN

2 stops18h 46mLufthansa

Mon 10/1117:20SAN - DUB

1 stop15h 55mLufthansa

Deal found 21/2£591

Thu 30/1006:00DUB - SAN

2 stops17h 06mAir France

Tue 11/1111:00SAN - DUB

1 stop13h 25mAir France

Deal found 21/2£611

Thu 27/212:55DUB - SAN

2 stops41h 35mSWISS

Thu 6/313:21SAN - DUB

2 stops38h 44mSWISS

Deal found 20/2£646

Wed 30/711:45DUB - SAN

1 stop15h 13mJetBlue

Wed 13/810:15SAN - DUB

1 stop14h 45mJetBlue

Deal found 21/2£798

Wed 5/309:45DUB - SAN

2 stops38h 20mFinnair

Wed 19/311:25SAN - DUB

2 stops22h 55mFinnair

Deal found 21/2£1,242

Wed 5/304:25DUB - SAN

2 stops37h 41mTAP AIR PORTUGAL

Wed 19/311:24SAN - DUB

2 stops28h 56mTAP AIR PORTUGAL

Deal found 21/2£1,292

Best flights from Ireland to San Diego
Discover carefully curated flight deals from Ireland to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 February 2025.

Tue 1/419:05DUB - SAN

3 stops44h 34mMultiple Airlines

Mon 7/408:50SAN - DUB

2 stops25h 25mMultiple Airlines

Deal found 21/2£440

Thu 10/410:40DUB - SAN

1 stop15h 20mBritish Airways

Mon 14/419:50SAN - DUB

1 stop15h 45mBritish Airways

Deal found 21/2£534

Sun 23/305:55DUB - SAN

2 stops23h 25mDelta

Sun 30/322:17SAN - DUB

1 stop26h 58mDelta

Deal found 21/2£560

Fri 21/310:45DUB - SAN

1 stop16h 31mKLM

Fri 4/407:15SAN - DUB

1 stop18h 00mKLM

Deal found 21/2£568

Thu 6/310:45DUB - SAN

2 stops20h 14mLufthansa

Wed 19/310:00SAN - DUB

2 stops17h 05mLufthansa

Deal found 21/2£609

Thu 13/311:50DUB - SAN

1 stop30h 46mUnited Airlines

Thu 20/308:10SAN - DUB

1 stop18h 55mUnited Airlines

Deal found 20/2£613

Wed 30/711:45DUB - SAN

1 stop15h 13mJetBlue

Wed 13/810:15SAN - DUB

1 stop14h 45mJetBlue

Deal found 21/2£798

Tue 4/313:20DUB - SAN

1 stop34h 45mAmerican Airlines

Sun 16/319:10SAN - DUB

1 stop32h 05mAmerican Airlines

Deal found 21/2£1,121

Wed 5/309:45DUB - SAN

2 stops38h 20mFinnair

Wed 19/311:25SAN - DUB

2 stops22h 55mFinnair

Deal found 21/2£1,242

Wed 5/304:25DUB - SAN

2 stops37h 41mTAP AIR PORTUGAL

Wed 19/311:24SAN - DUB

2 stops28h 56mTAP AIR PORTUGAL

Deal found 21/2£1,292

Tue 4/312:00DUB - SAN

2 stops18h 51mAir France

Tue 18/310:55SAN - DUB

2 stops15h 50mAir France

Deal found 21/2£1,296

Mon 21/721:10DUB - SAN

3 stops29h 42mScandinavian Airlines

Wed 6/807:00SAN - DUB

3 stops28h 00mScandinavian Airlines

Deal found 21/2£1,717

Last-minute flights from Ireland to San Diego
Discover last-minute flight deals from Ireland to San Diego. Data last updated 22 February 2025 and is based on user searches.

Thu 27/212:55DUB - SAN

2 stops41h 35mSWISS

Thu 6/313:21SAN - DUB

2 stops38h 44mSWISS

Deal found 20/2£646

Fri 28/209:00DUB - SAN

2 stops20h 02mUnited Airlines

Fri 7/311:08SAN - DUB

2 stops14h 57mUnited Airlines

Deal found 21/2£586

Fri 28/208:55DUB - SAN

2 stops21h 56mDelta

Sun 16/307:50SAN - DUB

2 stops17h 35mDelta

Deal found 21/2£759

Sat 1/310:45DUB - SAN

2 stops21h 29mLufthansa

Sun 16/316:46SAN - DUB

2 stops16h 54mLufthansa

Deal found 21/2£768

Sun 2/306:40DUB - SAN

1 stop17h 25mAmerican Airlines

Wed 19/319:10SAN - DUB

1 stop13h 30mAmerican Airlines

Deal found 21/2£1,121

Tue 4/312:00DUB - SAN

2 stops18h 51mAir France

Tue 18/310:55SAN - DUB

2 stops15h 50mAir France

Deal found 21/2£1,296

Wed 5/309:45DUB - SAN

2 stops38h 20mFinnair

Wed 19/311:25SAN - DUB

2 stops22h 55mFinnair

Deal found 21/2£1,242

Wed 5/304:25DUB - SAN

2 stops37h 41mTAP AIR PORTUGAL

Wed 19/311:24SAN - DUB

2 stops28h 56mTAP AIR PORTUGAL

Deal found 21/2£1,292

Thu 6/310:45DUB - SAN

2 stops20h 14mLufthansa

Wed 19/310:00SAN - DUB

2 stops17h 05mLufthansa

Deal found 21/2£609

Fri 7/307:40DUB - SAN

1 stop16h 25mMultiple Airlines

Fri 14/321:30SAN - DUB

1 stop28h 00mMultiple Airlines

Deal found 21/2£754

Fri 7/320:35DUB - SAN

1 stop27h 30mBritish Airways

Sun 16/319:10SAN - DUB

1 stop14h 40mBritish Airways

Deal found 21/2£1,405

Fri 21/310:45DUB - SAN

1 stop16h 31mKLM

Fri 4/407:15SAN - DUB

1 stop18h 00mKLM

Deal found 21/2£568

One-way flights from Ireland to San Diego
Search for one-way flight options from Ireland to San Diego. Find affordable one-way fares based on user searches. Data last updated 22 February 2025.

Sun 22/611:30DUB - SAN

2 stops33h 50mWestJet

Deal found 21/2£340

Sun 2/309:00DUB - SAN

3 stops23h 32mUnited Airlines

Deal found 21/2£843

Sat 1/304:15DUB - SAN

2 stops37h 46mTAP AIR PORTUGAL

Deal found 21/2£1,054

Thu 8/512:00DUB - SAN

1 stop16h 22mKLM

Deal found 21/2£1,783

Find flights from Ireland to San Diego within your budget

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 1/4

19:05-07:39

3 stops44h 34m

San Diego

Mon 7/4

08:50-18:15

2 stops25h 25m

£440

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 10/4

10:40-18:00

1 stop15h 20m

San Diego

Mon 14/4

19:50-19:35

1 stop15h 45m

£534

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 23/3

05:55-22:20

2 stops23h 25m

San Diego

Sun 30/3

22:17-09:15

1 stop26h 58m

£560

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 21/3

10:45-20:16

1 stop16h 31m

San Diego

Fri 4/4

07:15-09:15

1 stop18h 00m

£568

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 6/3

10:45-22:59

2 stops20h 14m

San Diego

Wed 19/3

10:00-10:05

2 stops17h 05m

£609

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 13/3

11:50-11:36

1 stop30h 46m

San Diego

Thu 20/3

08:10-10:05

1 stop18h 55m

£613

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 30/7

11:45-18:58

1 stop15h 13m

San Diego

Wed 13/8

10:15-09:00

1 stop14h 45m

£798

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 4/3

13:20-16:05

1 stop34h 45m

San Diego

Sun 16/3

19:10-10:15

1 stop32h 05m

£1,121

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/3

09:45-16:05

2 stops38h 20m

San Diego

Wed 19/3

11:25-17:20

2 stops22h 55m

£1,242

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/3

04:25-10:06

2 stops37h 41m

San Diego

Wed 19/3

11:24-23:20

2 stops28h 56m

£1,292

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 19 results

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 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.

Travel insights for flights from Ireland to San Diego

Get recent, data-driven insights about flights from Ireland to San Diego including ideal travel times, pricing trends, and more.

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

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to San Diego as you normally would.

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 Ireland to San Diego, see what other customers have to say about Delta, KLM and Finnair. 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

8,203 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

8,203 reviews

Delta

8.0

Very Good

8,203 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

1,330 reviews

Delta

8.0

Very Good

8,203 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

1,271 reviews

Delta

8.0

Very Good

8,203 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

Air France

7.4

Good

1,448 reviews

Delta

8.0

Very Good

8,203 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

8,754 reviews

Delta

8.0

Very Good

8,203 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 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?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £340. United Airlines flights start at £843 while deals on TAP AIR PORTUGAL start at £1,054 one-way.
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 holiday 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, January is the cheapest month in which you can book a flight from Ireland to San Diego (average of £585). Flying from Ireland 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

El Cajon

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ireland to San Diego

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£535	Average£642	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£568	Average£718	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ireland to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to San Diego from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

Yes, Cheapflights offers price alerts on Ireland to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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

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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 Ireland to San Diego from £340

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.

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 22 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to San Diego

Cheapest flights from Ireland to San DiegoExplore 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 22 February 2025.

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 22 February 2025.

Find flights from Ireland to San Diego within your budget

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.

Travel insights for flights from Ireland to San Diego

Get recent, data-driven insights about flights from Ireland to San Diego including ideal travel times, pricing trends, and more.

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

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

Find hourly flight availability from Ireland 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 22 February 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 Ireland to San Diego, see what other customers have to say about Delta, KLM and Finnair. 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.

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?

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

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

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

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

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

Travelling to a place near Ireland?

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.

Top 2 airlines flying from Ireland 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 Ireland to San Diego?

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

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

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

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Book with Flexibility

Travel Smart

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 22 February 2025.