How long does it take to fly to San Diego?

On average, it takes 15h 25m 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 18h 40m.

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

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

Which airlines fly to San Diego?

JetBlue, American Airlines and Aer Lingus are the top three most popular airlines that fly to San Diego from Ireland according to our data. JetBlue 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.

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 October 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.

€355 Cheap Flights from Ireland to San Diego in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to San Diego

Return

One-way

Last minute

Recent return flight deals from Ireland to San Diego

Enter your travel dates to find the best prices.

08:45 - 16:10DUB Dublin-SAN San Diego

15h 25m1 stop London Heathrow

18:00 - 17:00SAN San Diego-DUB Dublin

15h 00m1 stop London Heathrow

€604British Airways

Mon, 7 Dec - Wed, 23 Dec

08:45 - 16:10DUB Dublin-SAN San Diego

15h 25m1 stop London Heathrow

18:00 - 17:00SAN San Diego-DUB Dublin

15h 00m1 stop London Heathrow

€615British Airways

Mon, 7 Dec - Wed, 23 Dec

08:45 - 16:10DUB Dublin-SAN San Diego

15h 25m1 stop London Heathrow

18:00 - 15:40SAN San Diego-DUB Dublin

13h 40m1 stop London Heathrow

€616British Airways

Mon, 7 Dec - Mon, 14 Dec

08:45 - 16:10DUB Dublin-SAN San Diego

15h 25m1 stop London Heathrow

18:00 - 17:00SAN San Diego-DUB Dublin

15h 00m1 stop London Heathrow

€620British Airways

Thu, 10 Dec - Wed, 23 Dec

11:30 - 21:51DUB Dublin-SAN San Diego

18h 21m2 stops Philadelphia Dallas/Fort Worth

06:20 - 09:00SAN San Diego-DUB Dublin

18h 40m1 stop Philadelphia

€659American Airlines

Fri, 4 Dec - Mon, 14 Dec

11:30 - 21:00DUB Dublin-SAN San Diego

17h 30m2 stops Philadelphia Dallas/Fort Worth

09:30 - 08:30SAN San Diego-DUB Dublin

15h 00m2 stops Phoenix Sky Harbor Intl Philadelphia

€659American Airlines

Fri, 5 Feb - Mon, 22 Feb

11:30 - 21:12DUB Dublin-SAN San Diego

17h 42m2 stops Philadelphia Dallas/Fort Worth

09:23 - 09:00SAN San Diego-DUB Dublin

15h 37m1 stop Philadelphia

€659American Airlines

Mon, 7 Dec - Mon, 14 Dec

11:30 - 21:12DUB Dublin-SAN San Diego

17h 42m2 stops Philadelphia Dallas/Fort Worth

06:20 - 09:00SAN San Diego-DUB Dublin

18h 40m1 stop Philadelphia

€659American Airlines

Mon, 7 Dec - Wed, 23 Dec

19:45 - 16:10DUB Dublin-SAN San Diego

28h 25m1 stop London Heathrow

18:00 - 15:40SAN San Diego-DUB Dublin

13h 40m1 stop London Heathrow

€747Aer Lingus

Mon, 7 Dec - Wed, 23 Dec

07:40 - 16:10ORK Cork-SAN San Diego

16h 30m1 stop London Heathrow

18:00 - 11:10SAN San Diego-ORK Cork

33h 10m1 stop London Heathrow

€952Aer Lingus

Sun, 31 Jan - Thu, 4 Feb

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British Airways flights from Ireland to San Diego

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

British Airways

7 Dec

DUB08:45Dublin

15h 25m

1 stop

SAN16:10San Diego

23 Dec

SAN18:00San Diego

15h 00m

1 stop

DUB17:00Dublin

€604

British Airways

7 Dec

DUB08:45Dublin

15h 25m

1 stop

SAN16:10San Diego

23 Dec

SAN18:00San Diego

15h 00m

1 stop

DUB17:00Dublin

€615

British Airways

7 Dec

DUB08:45Dublin

15h 25m

1 stop

SAN16:10San Diego

14 Dec

SAN18:00San Diego

13h 40m

1 stop

DUB15:40Dublin

€616

American Airlines flights from Ireland to San Diego

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

American Airlines

4 Dec

DUB11:30Dublin

18h 21m

2 stops

SAN21:51San Diego

14 Dec

SAN06:20San Diego

18h 40m

1 stop

DUB09:00Dublin

€659

American Airlines

7 Dec

DUB11:30Dublin

17h 42m

2 stops

SAN21:12San Diego

23 Dec

SAN06:20San Diego

18h 40m

1 stop

DUB09:00Dublin

€661

American Airlines

7 Dec

DUB11:30Dublin

16h 04m

1 stop

SAN19:34San Diego

23 Dec

SAN18:45San Diego

54h 15m

2 stops

DUB09:00Dublin

€668

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

08:45-16:10

1 stop15h 25m

San Diego

Wed 23/12

18:00-17:00

1 stop15h 00m

€604

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

08:45-16:10

1 stop15h 25m

San Diego

Wed 23/12

18:00-17:00

1 stop15h 00m

€615

Fastest return journey

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

08:45-16:10

1 stop15h 25m

San Diego

Mon 14/12

18:00-15:40

1 stop13h 40m

€616

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Thu 10/12

08:45-16:10

1 stop15h 25m

San Diego

Wed 23/12

18:00-17:00

1 stop15h 00m

€620

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Fri 4/12

11:30-21:51

2 stops18h 21m

San Diego

Mon 14/12

06:20-09:00

1 stop18h 40m

€659

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Fri 5/2

11:30-21:00

2 stops17h 30m

San Diego

Mon 22/2

09:30-08:30

2 stops15h 00m

€659

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

11:30-21:12

2 stops17h 42m

San Diego

Mon 14/12

09:23-09:00

1 stop15h 37m

€659

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

11:30-21:12

2 stops17h 42m

San Diego

Wed 23/12

06:20-09:00

1 stop18h 40m

€659

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

19:45-16:10

1 stop28h 25m

San Diego

Wed 23/12

18:00-15:40

1 stop13h 40m

€747

CorkSan Diego

ORK Cork - SAN San Diego

ORKSAN

Cork

Sun 31/1

07:40-16:10

1 stop16h 30m

San Diego

Thu 4/2

18:00-11:10

1 stop33h 10m

€952

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 October. Flight prices, which tend to average around €694, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in October, then February is your next best option. Flight prices from Ireland to San Diego during February average around €753.

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

You could potentially save up to 77% 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

Best price found	€355
Fastest flight time	15h 25m
Direct flights	None

The best one-way flight to San Diego from Ireland in the past 72 hours is €355. The best return flight deal from Ireland to San Diego found on momondo in the last 72 hours is €604.

The fastest flight from Ireland to San Diego takes 15h 25m

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 October 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
JetBlue	PriceFrom €625	Free Cancellation	Rating 7.1 3,075 reviews	Search JetBlue flights
Aer Lingus	PriceFrom €697	Free Cancellation	Rating 7.3 1,869 reviews	Search Aer Lingus flights
American Airlines	PriceFrom €722	Free Cancellation	Rating 7.0 12,212 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.