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

Aer Lingus, Icelandair, and British Airways are the most popular carriers operating from Ireland to San Diego

Which airlines fly to San Diego?

British Airways, United Airlines and KLM 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 55% 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 20m 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 Cork and into San Diego, then the flight time is around 26h 55m.

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 September 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.

€325 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

Recent return flight deals from Ireland to San Diego

12:30 - 23:14DUB-SAN

41h 44m2 stops

11:00 - 09:25SAN-DUB

38h 25m2 stops

€526Scandinavian Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

12:30 - 23:06DUB-SAN

41h 36m2 stops

16:04 - 09:25SAN-DUB

33h 21m2 stops

€544Scandinavian Airlines

Find Deal

Fri, 31 Oct - Thu, 13 Nov

15:20 - 23:19DUB-SAN

14h 59m1 stop

08:00 - 09:00SAN-DUB

17h 00m1 stop

€586Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 8 Nov

15:20 - 23:19DUB-SAN

15h 59m1 stop

08:00 - 09:00SAN-DUB

17h 00m1 stop

€588Multiple Airlines

Find Deal

Thu, 13 Nov - Tue, 18 Nov

15:10 - 16:10DUB-SAN

33h 00m1 stop

18:00 - 17:00SAN-DUB

15h 00m1 stop

€644British Airways

Find Deal

Wed, 17 Dec - Wed, 7 Jan

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 19:40SAN-DUB

17h 40m1 stop

€652British Airways

Find Deal

Mon, 22 Dec - Mon, 12 Jan

09:00 - 11:38DUB-SAN

34h 38m1 stop

08:30 - 10:20SAN-DUB

17h 50m1 stop

€664United Airlines

Find Deal

Sun, 9 Nov - Sun, 23 Nov

09:20 - 15:51DUB-SAN

14h 31m1 stop

06:53 - 07:10SAN-DUB

16h 17m2 stops

€665United Airlines

Find Deal

Fri, 17 Oct - Fri, 24 Oct

17:05 - 12:00ORK-SAN

26h 55m1 stop

13:55 - 22:30SAN-ORK

24h 35m1 stop

€675KLM

Find Deal

Mon, 6 Oct - Sun, 12 Oct

13:25 - 12:05ORK-SAN

30h 40m1 stop

14:00 - 23:25SAN-ORK

25h 25m1 stop

€741KLM

Find Deal

Fri, 20 Feb - Tue, 24 Feb

Lufthansa flights from Ireland to San Diego

Our best Lufthansa deals on Ireland to San Diego flight tickets

Lufthansa

31 Oct

DUB11:55Dublin

19h 18m

2 stops

SAN00:13San Diego

13 Nov

SAN07:00San Diego

17h 10m

1 stop

DUB08:10Dublin

€657

Find similar

Lufthansa

31 Oct

DUB11:55Dublin

19h 18m

2 stops

SAN00:13San Diego

7 Nov

SAN17:35San Diego

15h 35m

1 stop

DUB17:10Dublin

€661

Find similar

Lufthansa

28 Sept

DUB05:55Dublin

22h 30m

2 stops

SAN20:25San Diego

2 Oct

SAN06:48San Diego

18h 57m

1 stop

DUB09:45Dublin

€852

Find similar

Air Canada flights from Ireland to San Diego

Our best Air Canada deals on Ireland to San Diego flight tickets

Air Canada

26 Nov

DUB09:00Dublin

39h 02m

2 stops

SAN16:02San Diego

3 Dec

SAN12:15San Diego

34h 55m

1 stop

DUB07:10Dublin

€658

Find similar

Air Canada

28 Nov

DUB09:00Dublin

34h 38m

1 stop

SAN11:38San Diego

9 Jan

SAN12:15San Diego

34h 55m

1 stop

DUB07:10Dublin

€668

Find similar

Air Canada

5 Dec

DUB09:00Dublin

34h 28m

1 stop

SAN11:28San Diego

9 Jan

SAN12:15San Diego

34h 55m

1 stop

DUB07:10Dublin

€669

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 31/10

12:30-23:14

2 stops41h 44m

San Diego

Fri 7/11

11:00-09:25

2 stops38h 25m

€526

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 31/10

12:30-23:06

2 stops41h 36m

San Diego

Thu 13/11

16:04-09:25

2 stops33h 21m

€544

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 1/11

15:20-23:19

1 stop14h 59m

San Diego

Sat 8/11

08:00-09:00

1 stop17h 00m

€586

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 13/11

15:20-23:19

1 stop15h 59m

San Diego

Tue 18/11

08:00-09:00

1 stop17h 00m

€588

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 17/12

15:10-16:10

1 stop33h 00m

San Diego

Wed 7/1

18:00-17:00

1 stop15h 00m

€644

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 22/12

08:50-16:10

1 stop15h 20m

San Diego

Mon 12/1

18:00-19:40

1 stop17h 40m

€652

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 9/11

09:00-11:38

1 stop34h 38m

San Diego

Sun 23/11

08:30-10:20

1 stop17h 50m

€664

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 17/10

09:20-15:51

1 stop14h 31m

San Diego

Fri 24/10

06:53-07:10

2 stops16h 17m

€665

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Mon 6/10

17:05-12:00

1 stop26h 55m

San Diego

Sun 12/10

13:55-22:30

1 stop24h 35m

€674

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Fri 20/2

13:25-12:05

1 stop30h 40m

San Diego

Tue 24/2

14:00-23:25

1 stop25h 25m

€741

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 February. Flight prices, which tend to average around €617, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in February, then January is your next best option. Flight prices from Ireland to San Diego during January average around €629.

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 €635. 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 €939.

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 €684. 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 €698 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 €691 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 €614 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

Direct flights	None

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 September 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
KLM	PriceFrom €564	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
British Airways	PriceFrom €568	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
United Airlines	PriceFrom €627	Free Cancellation	Rating 7.4 8,926 reviews	Search United 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.