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

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £521. TAP AIR PORTUGAL flights start at £656 while deals on United Airlines start at £865 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 50 days early can save you up to 37% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Ireland to San Diego for as little as £569 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 £760 for flights departing within the next 3 days.

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

February can be a great time to fly to San Diego from Ireland with a flight ticket averaging about £678. Cheapflights users have found deals in the month of February for as cheap as £521. 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.

£1,233+ Flights from Ireland to San Diego

Cheap flight deals from Ireland to San Diego

Round-trip from	£525
One-way from	£508

British Airways
13/2-16/2
2 total stops
30h 05m total
Ireland to San Diego

Search Deals

7/3
1 total stop
27h 30m total
Ireland to San Diego

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 January 2025.

Thu 13/208:40DUB - SAN

1 stop15h 25mBritish Airways

Sun 16/218:10SAN - DUB

1 stop14h 40mBritish Airways

Deal found 20/1£525

Mon 3/205:55DUB - SAN

2 stops24h 56mDelta

Sun 16/207:25SAN - DUB

2 stops24h 15mDelta

Deal found 20/1£531

Sun 26/109:00DUB - SAN

2 stops18h 53mUnited Airlines

Sun 2/206:15SAN - DUB

2 stops16h 45mUnited Airlines

Deal found 19/1£597

Mon 3/211:05DUB - SAN

3 stops33h 50mMultiple Airlines

Fri 7/219:26SAN - DUB

3 stops30h 54mMultiple Airlines

Deal found 20/1£604

Wed 23/708:55DUB - SAN

1 stop35h 05mKLM

Mon 28/706:20SAN - DUB

1 stop18h 25mKLM

Deal found 20/1£688

Fri 7/310:45DUB - SAN

2 stops20h 14mLufthansa

Fri 14/318:20SAN - DUB

2 stops21h 30mLufthansa

Deal found 21/1£723

Wed 5/204:25DUB - SAN

2 stops37h 46mTAP AIR PORTUGAL

Wed 19/211:22SAN - DUB

2 stops27h 58mTAP AIR PORTUGAL

Deal found 21/1£801

Sat 1/308:55DUB - SAN

1 stop15h 10mAer Lingus

Sat 1/321:37SAN - DUB

1 stop22h 38mAer Lingus

Deal found 20/1£928

Thu 10/720:15DUB - SAN

2 stops29h 44mScandinavian Airlines

Wed 16/711:05SAN - DUB

3 stops23h 55mScandinavian Airlines

Deal found 19/1£1,791

Mon 3/210:00DUB - SAN

2 stops34h 03mAir Canada

Fri 7/212:55SAN - DUB

1 stop34h 15mAir Canada

Deal found 20/1£2,697

Sun 26/111:30DUB - SAN

2 stops19h 03mIcelandair

Tue 28/109:35SAN - DUB

2 stops16h 40mIcelandair

Deal found 20/1£3,182

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 January 2025.

Thu 13/208:40DUB - SAN

1 stop15h 25mBritish Airways

Sun 16/218:10SAN - DUB

1 stop14h 40mBritish Airways

Deal found 20/1£525

Mon 3/205:55DUB - SAN

2 stops24h 56mDelta

Sun 16/207:25SAN - DUB

2 stops24h 15mDelta

Deal found 20/1£531

Sun 26/109:00DUB - SAN

2 stops18h 53mUnited Airlines

Sun 2/206:15SAN - DUB

2 stops16h 45mUnited Airlines

Deal found 19/1£597

Mon 3/211:05DUB - SAN

3 stops33h 50mMultiple Airlines

Fri 7/219:26SAN - DUB

3 stops30h 54mMultiple Airlines

Deal found 20/1£604

Fri 7/310:45DUB - SAN

2 stops20h 14mLufthansa

Fri 14/318:20SAN - DUB

2 stops21h 30mLufthansa

Deal found 21/1£723

Wed 5/204:25DUB - SAN

2 stops37h 46mTAP AIR PORTUGAL

Wed 19/211:22SAN - DUB

2 stops27h 58mTAP AIR PORTUGAL

Deal found 21/1£801

Sat 1/308:55DUB - SAN

1 stop15h 10mAer Lingus

Sat 1/321:37SAN - DUB

1 stop22h 38mAer Lingus

Deal found 20/1£928

Sat 8/310:45DUB - SAN

1 stop17h 40mKLM

Mon 24/311:35SAN - DUB

1 stop15h 10mKLM

Deal found 20/1£1,745

Mon 3/210:00DUB - SAN

2 stops34h 03mAir Canada

Fri 7/212:55SAN - DUB

1 stop34h 15mAir Canada

Deal found 20/1£2,697

Sun 26/111:30DUB - SAN

2 stops19h 03mIcelandair

Tue 28/109:35SAN - DUB

2 stops16h 40mIcelandair

Deal found 20/1£3,182

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

Fri 24/105:55DUB - SAN

2 stops19h 05mKLM

Wed 29/110:58SAN - DUB

2 stops17h 42mKLM

Deal found 20/1£2,904

Sun 26/109:00DUB - SAN

2 stops18h 53mUnited Airlines

Sun 2/206:15SAN - DUB

2 stops16h 45mUnited Airlines

Deal found 19/1£597

Sun 26/111:30DUB - SAN

2 stops19h 03mIcelandair

Tue 28/109:35SAN - DUB

2 stops16h 40mIcelandair

Deal found 20/1£3,182

Sun 26/105:55DUB - SAN

2 stops19h 05mKLM

Wed 29/107:25SAN - DUB

2 stops16h 40mKLM

Deal found 20/1£3,200

Mon 3/205:55DUB - SAN

2 stops24h 56mDelta

Sun 16/207:25SAN - DUB

2 stops24h 15mDelta

Deal found 20/1£531

Mon 3/211:05DUB - SAN

3 stops33h 50mMultiple Airlines

Fri 7/219:26SAN - DUB

3 stops30h 54mMultiple Airlines

Deal found 20/1£604

Mon 3/210:00DUB - SAN

2 stops34h 03mAir Canada

Fri 7/212:55SAN - DUB

1 stop34h 15mAir Canada

Deal found 20/1£2,697

Wed 5/204:25DUB - SAN

2 stops37h 46mTAP AIR PORTUGAL

Wed 19/211:22SAN - DUB

2 stops27h 58mTAP AIR PORTUGAL

Deal found 21/1£801

Thu 13/208:40DUB - SAN

1 stop15h 25mBritish Airways

Sun 16/218:10SAN - DUB

1 stop14h 40mBritish Airways

Deal found 20/1£525

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 January 2025.

Fri 7/320:35DUB - SAN

1 stop27h 30mMultiple Airlines

Deal found 21/1£508

Fri 7/310:45DUB - SAN

2 stops18h 59mBritish Airways

Deal found 21/1£521

Thu 6/304:25DUB - SAN

2 stops37h 09mTAP AIR PORTUGAL

Deal found 21/1£656

Thu 6/311:50DUB - SAN

3 stops40h 33mUnited Airlines

Deal found 20/1£865

Find flights from Ireland to San Diego within your budget

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 13/2

08:40-16:05

1 stop15h 25m

San Diego

Sun 16/2

18:10-16:50

1 stop14h 40m

£525

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 3/2

05:55-22:51

2 stops24h 56m

San Diego

Sun 16/2

07:25-15:40

2 stops24h 15m

£531

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 26/1

09:00-19:53

2 stops18h 53m

San Diego

Sun 2/2

06:15-07:00

2 stops16h 45m

£597

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 3/2

11:05-12:55

3 stops33h 50m

San Diego

Fri 7/2

19:26-10:20

3 stops30h 54m

£604

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 7/3

10:45-22:59

2 stops20h 14m

San Diego

Fri 14/3

18:20-22:50

2 stops21h 30m

£723

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/2

04:25-10:11

2 stops37h 46m

San Diego

Wed 19/2

11:22-23:20

2 stops27h 58m

£801

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 1/3

08:55-16:05

1 stop15h 10m

San Diego

Sat 1/3

21:37-04:15

1 stop22h 38m

£928

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 8/3

10:45-20:25

1 stop17h 40m

San Diego

Mon 24/3

11:35-09:45

1 stop15h 10m

£1,745

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 3/2

10:00-12:03

2 stops34h 03m

San Diego

Fri 7/2

12:55-07:10

1 stop34h 15m

£2,697

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 26/1

11:30-22:33

2 stops19h 03m

San Diego

Tue 28/1

09:35-10:15

2 stops16h 40m

£3,182

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 14 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

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,521 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,985 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Icelandair

7.1

Good

502 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus

7.1

Good

1,082 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

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 British Airways, which is currently one of the cheapest options available, starting at £521. TAP AIR PORTUGAL flights start at £656 while deals on United Airlines start at £865 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£552	Average£627	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£584	Average£839	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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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 £508

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 7/3. 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

Round-trip from

One-way from

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 January 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 January 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 January 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

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?

100% Free

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 January 2025.