What is the cheapest airline that flies from Ireland to San Diego?

JetBlue, Scandinavian Airlines, and Aer Lingus are the most popular carriers operating from Ireland to San Diego

How long does it take to fly to San Diego?

On average, it takes 16h 20m to fly from Ireland to San Diego if you fly out of Shannon (the most popular airport in Ireland) and into San Diego (the most popular airport in San Diego). If you’re flying out of Cork and into San Diego, then the flight time is around 16h 30m.

Which airlines fly to San Diego?

British Airways, United Airlines and Aer Lingus are the top three most popular airlines that fly to San Diego from Ireland according to our data. British Airways is the first choice among our users, with 36% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ireland to San Diego Airport?

Prices for flights from Ireland to San Diego Airport were last updated today.

How many operators does momondo search for flights from Ireland to San Diego Airport?

As of December 2025, there are 4 operators available to choose from for flights from Ireland to San Diego Airport.

How old do you have to be to fly from Ireland to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

€356 Cheap Flights from Ireland to San Diego in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ireland to San Diego

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to San Diego

Enter your travel dates to find the best prices.

12:30 - 21:05

DUB

SAN

40h 35m2 stops

14:55 - 18:20

SAN

DUB

19h 25m2 stops

€554Scandinavian Airlines

Fri, 16 Jan - Thu, 29 Jan

12:30 - 22:47

DUB

SAN

42h 17m2 stops

14:55 - 11:45

SAN

DUB

36h 50m2 stops

€555Scandinavian Airlines

Wed, 28 Jan - Wed, 4 Feb

19:05 - 22:47

DUB

SAN

35h 42m2 stops

14:55 - 11:45

SAN

DUB

36h 50m2 stops

€564Scandinavian Airlines

Wed, 4 Feb - Sun, 8 Feb

19:35 - 11:45

DUB

SAN

48h 10m2 stops

09:10 - 08:20

SAN

DUB

15h 10m1 stop

€685Multiple Airlines

Fri, 16 Jan - Thu, 29 Jan

05:55 - 15:40

DUB

SAN

17h 45m2 stops

07:05 - 08:45

SAN

DUB

17h 40m1 stop

€690Delta

Thu, 15 Jan - Wed, 28 Jan

06:00 - 20:22

ORK

SAN

22h 22m2 stops

09:55 - 14:45

SAN

ORK

20h 50m2 stops

€691Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

15:10 - 16:10

DUB

SAN

33h 00m1 stop

18:00 - 16:50

SAN

DUB

14h 50m1 stop

€705American Airlines

Wed, 4 Feb - Sun, 8 Feb

16:05 - 16:10

DUB

SAN

32h 05m1 stop

18:00 - 17:00

SAN

DUB

15h 00m1 stop

€708British Airways

Thu, 15 Jan - Wed, 28 Jan

08:50 - 22:50

DUB

SAN

22h 00m2 stops

18:00 - 16:50

SAN

DUB

14h 50m1 stop

€709American Airlines

Wed, 4 Feb - Sun, 8 Feb

07:50 - 22:58

SNN

SAN

23h 08m2 stops

09:25 - 11:30

SAN

SNN

18h 05m2 stops

€714British Airways

Mon, 9 Feb - Mon, 16 Feb

British Airways flights from Ireland to San Diego

Our best British Airways deals on Ireland to San Diego flight tickets

British Airways

15 Jan

DUB16:05Dublin

32h 05m

1 stop

SAN16:10San Diego

28 Jan

SAN18:00San Diego

15h 00m

1 stop

DUB17:00Dublin

€708

Find similar

British Airways

9 Feb

SNN20:05Shannon

27h 52m

2 stops

SAN15:57San Diego

16 Feb

SAN18:00San Diego

14h 45m

1 stop

SNN16:45Shannon

€714

Find similar

British Airways

29 Jan

ORK07:40Cork

16h 30m

1 stop

SAN16:10San Diego

5 Feb

SAN18:00San Diego

21h 25m

1 stop

ORK23:25Cork

€738

Find similar

Scandinavian Airlines flights from Ireland to San Diego

Our best Scandinavian Airlines deals on Ireland to San Diego flight tickets

Scandinavian Airlines

28 Jan

DUB19:05Dublin

35h 42m

2 stops

SAN22:47San Diego

4 Feb

SAN14:55San Diego

36h 50m

2 stops

DUB11:45Dublin

€552

Find similar

Scandinavian Airlines

16 Jan

DUB12:30Dublin

40h 35m

2 stops

SAN21:05San Diego

29 Jan

SAN14:55San Diego

19h 25m

2 stops

DUB18:20Dublin

€554

Find similar

Scandinavian Airlines

28 Jan

DUB12:30Dublin

42h 17m

2 stops

SAN22:47San Diego

4 Feb

SAN14:55San Diego

36h 50m

2 stops

DUB11:45Dublin

€555

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 16/1

12:30-21:05

2 stops40h 35m

San Diego

Thu 29/1

14:55-18:20

2 stops19h 25m

€554

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 28/1

12:30-22:47

2 stops42h 17m

San Diego

Wed 4/2

14:55-11:45

2 stops36h 50m

€555

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 4/2

19:05-22:47

2 stops35h 42m

San Diego

Sun 8/2

14:55-11:45

2 stops36h 50m

€564

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 16/1

19:35-11:45

2 stops48h 10m

San Diego

Thu 29/1

09:10-08:20

1 stop15h 10m

€685

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 15/1

05:55-15:40

2 stops17h 45m

San Diego

Wed 28/1

07:05-08:45

1 stop17h 40m

€690

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Thu 29/1

06:00-20:22

2 stops22h 22m

San Diego

Thu 5/2

09:55-14:45

2 stops20h 50m

€690

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 4/2

15:10-16:10

1 stop33h 00m

San Diego

Sun 8/2

18:00-16:50

1 stop14h 50m

€705

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 15/1

16:05-16:10

1 stop32h 05m

San Diego

Wed 28/1

18:00-17:00

1 stop15h 00m

€708

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 4/2

08:50-22:50

2 stops22h 00m

San Diego

Sun 8/2

18:00-16:50

1 stop14h 50m

€709

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Mon 9/2

07:50-22:58

2 stops23h 08m

San Diego

Mon 16/2

09:25-11:30

2 stops18h 05m

€714

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Diego?

The cheapest month to fly to San Diego from Ireland is in January. Flight prices, which tend to average around €635, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in January, then March is your next best option. Flight prices from Ireland to San Diego during March average around €650.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Ireland to San Diego is on a Monday when prices can be found for as low as €640. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is €947.

What is the cheapest time of day to depart on your flight to San Diego?

According to our data, the cheapest time of day to fly to San Diego is in the morning. momondo users have found flights departing from Ireland to San Diego in the morning for as low as €690. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Diego, so prices are often more expensive at around €704 per ticket.

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

You are more likely to see cheaper flights to San Diego from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around €712 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Ireland for as low as €645 on momondo.

Cheap Ireland to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San Diego

Fastest flight time	16h 20m
Direct flights	None

The fastest flight from Ireland to San Diego takes 16h 20m

There are no direct flights from Ireland to San Diego. There are no popular flight routes from Ireland to San Diego.

Search flight deals

When did momondo last update prices for flights from Ireland to San Diego Airport?
Prices for flights from Ireland to San Diego Airport were last updated today.
How many operators does momondo search for flights from Ireland to San Diego Airport?
As of December 2025, there are 4 operators available to choose from for flights from Ireland to San Diego Airport.
How old do you have to be to fly from Ireland to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to San Diego

Compare and see reviews for airlines that fly from Ireland to San Diego with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom €626	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom €632	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
British Airways	PriceFrom €640	Free Cancellation	Rating 6.7 7,580 reviews	Search British Airways flights
Aer Lingus	PriceFrom €662	Free Cancellation	Rating 7.2 1,395 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to San Diego?

Finding the right flight to San Diego from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Ireland to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to San Diego.

I’m not ready to book a flight from Ireland to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.