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

British Airways, Delta, and TAP AIR PORTUGAL are the most popular carriers operating 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 are updated daily.

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

As of October 2026, there is 1 operator 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 layovers 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 required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£379 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

£505British 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

£518British Airways

Thu, 10 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

£522British Airways

Wed, 13 Jan - Sun, 17 Jan

13:00 - 16:10DUB Dublin-SAN San Diego

35h 10m1 stop London Heathrow

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

15h 00m1 stop London Heathrow

£537British Airways

Mon, 7 Dec - Wed, 23 Dec

17:55 - 16:10DUB Dublin-SAN San Diego

30h 15m1 stop London Heathrow

18:00 - 15:25SAN San Diego-DUB Dublin

13h 25m1 stop London Heathrow

£541British Airways

Thu, 14 Jan - Mon, 18 Jan

11:30 - 21:38DUB Dublin-SAN San Diego

18h 08m2 stops Philadelphia Phoenix Sky Harbor Intl

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

15h 00m1 stop London Heathrow

£543Multiple Airlines

Thu, 10 Dec - Wed, 23 Dec

18:05 - 18:04DUB Dublin-SAN San Diego

31h 59m2 stops Helsinki-Vantaa Dallas/Fort Worth

18:00 - 19:45SAN San Diego-DUB Dublin

17h 45m1 stop London Heathrow

£545Multiple Airlines

Fri, 5 Feb - Mon, 22 Feb

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

£552American Airlines

Mon, 7 Dec - Wed, 23 Dec

17:50 - 16:10DUB Dublin-SAN San Diego

30h 20m1 stop London Heathrow

07:36 - 09:10SAN San Diego-DUB Dublin

17h 34m2 stops Chicago O'Hare Intl Philadelphia

£554Multiple Airlines

Wed, 13 Jan - Sun, 17 Jan

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

15h 25m1 stop London Heathrow

12:23 - 17:00SAN San Diego-DUB Dublin

20h 37m2 stops Phoenix Sky Harbor Intl London Heathrow

£562Multiple Airlines

Mon, 7 Dec - Wed, 23 Dec

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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

£505

British Airways

10 Dec

DUB08:45Dublin

15h 25m

1 stop

SAN16:10San Diego

23 Dec

SAN18:00San Diego

15h 00m

1 stop

DUB17:00Dublin

£518

British Airways

13 Jan

DUB08:45Dublin

15h 25m

1 stop

SAN16:10San Diego

17 Jan

SAN18:00San Diego

13h 40m

1 stop

DUB15:40Dublin

£522

TAP AIR PORTUGAL flights from Ireland to San Diego

Our best TAP AIR PORTUGAL deals on Ireland to San Diego flight tickets

TAP AIR PORTUGAL

14 Dec

DUB11:10Dublin

31h 14m

2 stops

SAN10:24San Diego

9 Jan

SAN21:39San Diego

28h 46m

2 stops

DUB10:25Dublin

£665

TAP AIR PORTUGAL

19 Nov

DUB04:25Dublin

37h 15m

2 stops

SAN09:40San Diego

3 Dec

SAN11:34San Diego

27h 46m

2 stops

DUB23:20Dublin

£678

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

£505

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

£518

Fastest return journey

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Wed 13/1

08:45-16:10

1 stop15h 25m

San Diego

Sun 17/1

18:00-15:40

1 stop13h 40m

£522

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

13:00-16:10

1 stop35h 10m

San Diego

Wed 23/12

18:00-17:00

1 stop15h 00m

£537

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Thu 14/1

17:55-16:10

1 stop30h 15m

San Diego

Mon 18/1

18:00-15:25

1 stop13h 25m

£541

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Thu 10/12

11:30-21:38

2 stops18h 08m

San Diego

Wed 23/12

18:00-17:00

1 stop15h 00m

£543

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Fri 5/2

18:05-18:04

2 stops31h 59m

San Diego

Mon 22/2

18:00-19:45

1 stop17h 45m

£545

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

£552

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Wed 13/1

17:50-16:10

1 stop30h 20m

San Diego

Sun 17/1

07:36-09:10

2 stops17h 34m

£554

DublinSan Diego

DUB Dublin - SAN San Diego

DUBSAN

Dublin

Mon 7/12

08:45-16:10

1 stop15h 25m

San Diego

Wed 23/12

12:23-17:00

2 stops20h 37m

£562

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

What is the cheapest month to fly to San Diego?

If you don’t want to visit San Diego in October, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of £630.

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	£379
Fastest flight time	16h 03m
Direct flights	None

The best one-way flight to San Diego from Ireland in the past 72 hours is £379. The best return flight deal from Ireland to San Diego found on momondo in the last 72 hours is £505.

The fastest flight from Ireland to San Diego takes 16h 03m

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 are updated daily.
How many operators does momondo search for flights from Ireland to San Diego Airport?
As of October 2026, there is 1 operator 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 layovers 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 required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable 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 £673	Free Cancellation	Rating 7.1 3,076 reviews		Search JetBlue flights

Coronado

Why use momondo?

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

It is quick and easy to find Ireland to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

All flight searches from Ireland to San Diego on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Ireland.

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

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Ireland and alert you when they change.