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

JetBlue and British Airways are the most popular carriers operating from Ireland to San Diego

Which airlines fly to San Diego?

American Airlines, British Airways and Aer Lingus are the top three most popular airlines that fly to San Diego from Ireland according to our data. American Airlines is the first choice among our users, with 39% 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.

How long does it take to fly to San Diego?

On average, it takes 15h 18m to fly from Ireland to San Diego if you fly out of Dublin (the most popular airport in Ireland) and into San Diego (the most popular airport in San Diego). If you’re flying out of Shannon and into San Diego, then the flight time is around 18h 37m.

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 May 2026, 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.

€397 Cheap Flights from Ireland to San Diego in 2026

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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.

10:40 - 19:28

DUB

SAN

16h 48m

1 stop

20:30 - 09:00

SAN

DUB

28h 30m

1 stop

€575JetBlue

Thu, 9 Jul - Wed, 22 Jul

11:30 - 20:01

DUB

SAN

16h 31m

1 stop

20:20 - 08:20

SAN

DUB

28h 00m

1 stop

€579JetBlue

Tue, 15 Sep - Tue, 22 Sep

10:40 - 12:22

DUB

SAN

33h 42m

1 stop

20:20 - 08:20

SAN

DUB

28h 00m

1 stop

€582JetBlue

Mon, 14 Sep - Mon, 21 Sep

13:05 - 23:42

SNN

SAN

18h 37m

1 stop

22:00 - 11:10

SAN

SNN

29h 10m

1 stop

€724KLM

Tue, 2 Jun - Sat, 6 Jun

13:05 - 23:42

SNN

SAN

18h 37m

1 stop

13:05 - 11:10

SAN

SNN

14h 05m

1 stop

€726Multiple Airlines

Wed, 3 Jun - Sun, 7 Jun

13:05 - 20:35

SNN

SAN

15h 30m

1 stop

22:00 - 11:10

SAN

SNN

29h 10m

1 stop

€729KLM

Sat, 30 May - Wed, 3 Jun

07:30 - 21:27

SNN

SAN

21h 57m

2 stops

13:19 - 20:35

SAN

SNN

23h 16m

2 stops

€898British Airways

Thu, 4 Jun - Sun, 7 Jun

07:30 - 21:27

SNN

SAN

21h 57m

2 stops

12:46 - 16:10

SAN

SNN

19h 24m

2 stops

€898British Airways

Thu, 4 Jun - Sun, 7 Jun

09:30 - 18:30

SNN

SAN

17h 00m

1 stop

10:34 - 07:30

SAN

SNN

12h 56m

1 stop

€974United Airlines

Thu, 4 Jun - Sun, 7 Jun

09:30 - 15:25

SNN

SAN

13h 55m

1 stop

10:34 - 07:30

SAN

SNN

12h 56m

1 stop

€975United Airlines

Thu, 4 Jun - Sun, 7 Jun

Finnair flights from Ireland to San Diego

Our best Finnair deals on Ireland to San Diego flight tickets

Finnair

8 Nov

DUB13:00Dublin

15h 18m

1 stop

SAN20:18San Diego

14 Nov

SAN10:48San Diego

12h 27m

1 stop

DUB07:15Dublin

€667

Finnair

25 Jun

DUB09:30Dublin

22h 18m

1 stop

SAN23:48San Diego

16 Jul

SAN13:07San Diego

14h 43m

1 stop

DUB11:50Dublin

€747

Finnair

29 Jun

DUB09:30Dublin

22h 18m

1 stop

SAN23:48San Diego

10 Sept

SAN09:45San Diego

16h 00m

1 stop

DUB09:45Dublin

€790

British Airways flights from Ireland to San Diego

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

British Airways

8 Nov

DUB10:45Dublin

19h 13m

2 stops

SAN21:58San Diego

14 Nov

SAN09:42San Diego

16h 08m

2 stops

DUB09:50Dublin

€711

British Airways

14 Jun

DUB08:35Dublin

23h 13m

2 stops

SAN23:48San Diego

29 Jun

SAN16:23San Diego

18h 17m

2 stops

DUB18:40Dublin

€785

British Airways

25 May

DUB08:30Dublin

20h 23m

2 stops

SAN20:53San Diego

4 Jun

SAN16:33San Diego

18h 47m

2 stops

DUB19:20Dublin

€805

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 9/7

10:40-19:28

1 stop16h 48m

San Diego

Wed 22/7

20:30-09:00

1 stop28h 30m

€575

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 15/9

11:30-20:01

1 stop16h 31m

San Diego

Tue 22/9

20:20-08:20

1 stop28h 00m

€579

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 14/9

10:40-12:22

1 stop33h 42m

San Diego

Mon 21/9

20:20-08:20

1 stop28h 00m

€582

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 2/6

13:05-23:42

1 stop18h 37m

San Diego

Sat 6/6

22:00-11:10

1 stop29h 10m

€724

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Wed 3/6

13:05-23:42

1 stop18h 37m

San Diego

Sun 7/6

13:05-11:10

1 stop14h 05m

€726

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Sat 30/5

13:05-20:35

1 stop15h 30m

San Diego

Wed 3/6

22:00-11:10

1 stop29h 10m

€729

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 4/6

07:30-21:27

2 stops21h 57m

San Diego

Sun 7/6

13:19-20:35

2 stops23h 16m

€898

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 4/6

07:30-21:27

2 stops21h 57m

San Diego

Sun 7/6

12:46-16:10

2 stops19h 24m

€898

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 4/6

09:30-18:30

1 stop17h 00m

San Diego

Sun 7/6

10:34-07:30

1 stop12h 56m

€974

Fastest return journey

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 4/6

09:30-15:25

1 stop13h 55m

San Diego

Sun 7/6

10:34-07:30

1 stop12h 56m

€975

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 €0, 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 September is your next best option. Flight prices from Ireland to San Diego during September average around €402.

Can stopping save me money on Ireland to San Diego flights?

You could potentially save up to 20% on your flight if you consider stops on a Ireland to San Diego flight.

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 18m
Direct flights	None

The fastest flight from Ireland to San Diego takes 15h 18m

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

Search flight deals

Frequently asked questions about flying from Ireland to San Diego

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 May 2026, 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
Aer Lingus	PriceFrom €669	Free Cancellation	Rating 7.3 1,573 reviews	Search Aer Lingus flights
British Airways	PriceFrom €690	Free Cancellation	Rating 6.7 7,991 reviews	Search British Airways flights
American Airlines	PriceFrom €694	Free Cancellation	Rating 7.1 11,642 reviews	Search American Airlines 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.