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

WestJet is the most popular carrier operating from Ireland to San Diego

How long does it take to fly to San Diego?

On average, it takes 15h 35m to fly from Ireland to San Diego if you fly out of Cork (the most popular airport in Ireland) and into San Diego (the most popular airport in San Diego). If you’re flying out of Dublin and into San Diego, then the flight time is around 18h 18m.

Which airlines fly to San Diego?

British Airways, Aer Lingus and American Airlines 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 47% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 3 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 3 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.

€304 Cheap Flights from Ireland to San Diego in 2025/26

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Find the cheapest flights from Ireland to San Diego

Round-trip

One-way

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Recent return flight deals from Ireland to San Diego

Enter your travel dates to find the best prices.

12:30 - 22:47

DUB

SAN

42h 17m2 stops

14:55 - 18:20

SAN

DUB

19h 25m2 stops

€577Scandinavian Airlines

Thu, 29 Jan - Wed, 11 Feb

19:05 - 22:47

DUB

SAN

35h 42m2 stops

15:20 - 18:20

SAN

DUB

19h 00m2 stops

€578Scandinavian Airlines

Mon, 9 Feb - Mon, 16 Feb

19:05 - 23:14

DUB

SAN

35h 09m2 stops

15:45 - 11:45

SAN

DUB

37h 00m2 stops

€583Scandinavian Airlines

Tue, 10 Mar - Tue, 24 Mar

10:30 - 13:20

DUB

SAN

33h 50m2 stops

08:00 - 05:10

SAN

DUB

14h 10m1 stop

€627Multiple Airlines

Tue, 10 Mar - Tue, 24 Mar

11:30 - 22:58

DUB

SAN

19h 28m1 stop

18:00 - 12:10

SAN

DUB

34h 10m1 stop

€643Multiple Airlines

Mon, 9 Feb - Mon, 23 Feb

16:05 - 16:10

DUB

SAN

32h 05m1 stop

18:00 - 17:00

SAN

DUB

15h 00m1 stop

€649British Airways

Thu, 29 Jan - Fri, 13 Feb

08:50 - 20:41

DUB

SAN

19h 51m2 stops

18:00 - 17:00

SAN

DUB

15h 00m1 stop

€651American Airlines

Thu, 29 Jan - Wed, 11 Feb

10:45 - 22:26

DUB

SAN

19h 41m2 stops

18:00 - 16:50

SAN

DUB

14h 50m1 stop

€653British Airways

Mon, 9 Feb - Sun, 22 Feb

06:00 - 18:53

ORK

SAN

20h 53m2 stops

10:37 - 12:55

SAN

ORK

18h 18m2 stops

€667KLM

Thu, 15 Jan - Mon, 19 Jan

07:50 - 22:26

SNN

SAN

22h 36m2 stops

22:45 - 16:45

SAN

SNN

34h 00m2 stops

€788American Airlines

Tue, 13 Jan - Sat, 17 Jan

Delta flights from Ireland to San Diego

Our best Delta deals on Ireland to San Diego flight tickets

Delta

9 Feb

DUB05:55Dublin

22h 42m

2 stops

SAN20:37San Diego

22 Feb

SAN10:40San Diego

21h 05m

2 stops

DUB15:45Dublin

€658

Find similar

Delta

15 Jan

DUB08:50Dublin

21h 55m

2 stops

SAN22:45San Diego

28 Jan

SAN06:15San Diego

18h 30m

2 stops

DUB08:45Dublin

€661

Find similar

Delta

29 Jan

DUB08:50Dublin

19h 47m

2 stops

SAN20:37San Diego

13 Feb

SAN10:40San Diego

21h 40m

2 stops

DUB16:20Dublin

€663

Find similar

Scandinavian Airlines flights from Ireland to San Diego

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

Scandinavian Airlines

29 Jan

DUB12:30Dublin

42h 17m

2 stops

SAN22:47San Diego

11 Feb

SAN14:55San Diego

19h 25m

2 stops

DUB18:20Dublin

€577

Find similar

Scandinavian Airlines

9 Feb

DUB19:05Dublin

35h 42m

2 stops

SAN22:47San Diego

16 Feb

SAN15:20San Diego

19h 00m

2 stops

DUB18:20Dublin

€578

Find similar

Scandinavian Airlines

10 Mar

DUB19:05Dublin

35h 09m

2 stops

SAN23:14San Diego

24 Mar

SAN15:45San Diego

37h 00m

2 stops

DUB11:45Dublin

€583

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

12:30-22:47

2 stops42h 17m

San Diego

Wed 11/2

14:55-18:20

2 stops19h 25m

€577

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 9/2

19:05-22:47

2 stops35h 42m

San Diego

Mon 16/2

15:20-18:20

2 stops19h 00m

€578

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 10/3

19:05-23:14

2 stops35h 09m

San Diego

Tue 24/3

15:45-11:45

2 stops37h 00m

€583

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 10/3

10:30-13:20

2 stops33h 50m

San Diego

Tue 24/3

08:00-05:10

1 stop14h 10m

€627

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 9/2

11:30-22:58

1 stop19h 28m

San Diego

Mon 23/2

18:00-12:10

1 stop34h 10m

€643

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

16:05-16:10

1 stop32h 05m

San Diego

Fri 13/2

18:00-17:00

1 stop15h 00m

€649

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

08:50-20:41

2 stops19h 51m

San Diego

Wed 11/2

18:00-17:00

1 stop15h 00m

€651

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 9/2

10:45-22:26

2 stops19h 41m

San Diego

Sun 22/2

18:00-16:50

1 stop14h 50m

€653

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Thu 15/1

06:00-18:53

2 stops20h 53m

San Diego

Mon 19/1

10:37-12:55

2 stops18h 18m

€667

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 13/1

07:50-22:26

2 stops22h 36m

San Diego

Sat 17/1

22:45-16:45

2 stops34h 00m

€788

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 €634, 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 €648.

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 €639. 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 €945.

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 €688. 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 €702 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 €711 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 €644 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	15h 35m
Direct flights	None

The fastest flight from Ireland to San Diego takes 15h 35m

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 3 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 €625	Free Cancellation	Rating 7.2 11,072 reviews	Search American Airlines flights
British Airways	PriceFrom €637	Free Cancellation	Rating 6.7 7,617 reviews	Search British Airways flights
Aer Lingus	PriceFrom €660	Free Cancellation	Rating 7.2 1,413 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.