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

United Airlines 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 November 2025, there are 2 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 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.

£496 Cheap Flights from Ireland to San Diego in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

19:05 - 22:51DUB-SAN

35h 46m2 stops

10:37 - 18:20SAN-DUB

23h 43m2 stops

£496Scandinavian Airlines

Find Deal

Fri, 20 Feb - Tue, 24 Feb

12:30 - 21:07DUB-SAN

40h 37m2 stops

15:44 - 18:20SAN-DUB

18h 36m2 stops

£496Scandinavian Airlines

Find Deal

Fri, 20 Feb - Tue, 24 Feb

17:55 - 15:45DUB-SAN

29h 50m1 stop

07:00 - 08:10SAN-DUB

17h 10m1 stop

£602Lufthansa

Find Deal

Sat, 6 Dec - Sat, 13 Dec

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 17:00SAN-DUB

15h 00m1 stop

£605British Airways

Find Deal

Fri, 20 Feb - Tue, 24 Feb

05:10 - 21:51DUB-SAN

24h 41m2 stops

07:00 - 08:10SAN-DUB

17h 10m1 stop

£606Lufthansa

Find Deal

Sat, 6 Dec - Sat, 13 Dec

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 19:40SAN-DUB

17h 40m1 stop

£606British Airways

Find Deal

Fri, 20 Feb - Tue, 24 Feb

09:00 - 11:53DUB-SAN

34h 53m1 stop

11:02 - 09:55SAN-DUB

14h 53m2 stops

£615United Airlines

Find Deal

Sun, 23 Nov - Tue, 9 Dec

13:25 - 09:52DUB-SAN

28h 27m2 stops

21:50 - 07:45SAN-DUB

25h 55m1 stop

£616Delta

Find Deal

Thu, 27 Nov - Sun, 30 Nov

13:25 - 09:52DUB-SAN

28h 27m2 stops

06:24 - 07:45SAN-DUB

17h 21m1 stop

£616Delta

Find Deal

Thu, 27 Nov - Sun, 30 Nov

09:00 - 18:28DUB-SAN

17h 28m2 stops

08:45 - 08:10SAN-DUB

15h 25m2 stops

£618United Airlines

Find Deal

Sat, 6 Dec - Sat, 13 Dec

Scandinavian Airlines flights from Ireland to San Diego

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

Scandinavian Airlines

20 Feb

DUB19:05Dublin

35h 46m

2 stops

SAN22:51San Diego

24 Feb

SAN10:37San Diego

23h 43m

2 stops

DUB18:20Dublin

£496

Find similar

Scandinavian Airlines

20 Feb

DUB12:30Dublin

40h 37m

2 stops

SAN21:07San Diego

24 Feb

SAN15:44San Diego

18h 36m

2 stops

DUB18:20Dublin

£496

Find similar

Scandinavian Airlines

20 Feb

DUB12:30Dublin

42h 21m

2 stops

SAN22:51San Diego

24 Feb

SAN15:44San Diego

18h 36m

2 stops

DUB18:20Dublin

£497

Find similar

British Airways flights from Ireland to San Diego

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

British Airways

20 Feb

DUB08:50Dublin

15h 20m

1 stop

SAN16:10San Diego

24 Feb

SAN18:00San Diego

15h 00m

1 stop

DUB17:00Dublin

£605

Find similar

British Airways

20 Feb

DUB08:50Dublin

15h 20m

1 stop

SAN16:10San Diego

24 Feb

SAN18:00San Diego

17h 40m

1 stop

DUB19:40Dublin

£606

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

19:05-22:51

2 stops35h 46m

San Diego

Tue 24/2

10:37-18:20

2 stops23h 43m

£496

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

12:30-21:07

2 stops40h 37m

San Diego

Tue 24/2

15:44-18:20

2 stops18h 36m

£496

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 6/12

17:55-15:45

1 stop29h 50m

San Diego

Sat 13/12

07:00-08:10

1 stop17h 10m

£602

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

08:50-16:10

1 stop15h 20m

San Diego

Tue 24/2

18:00-17:00

1 stop15h 00m

£605

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 6/12

05:10-21:51

2 stops24h 41m

San Diego

Sat 13/12

07:00-08:10

1 stop17h 10m

£606

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

08:50-16:10

1 stop15h 20m

San Diego

Tue 24/2

18:00-19:40

1 stop17h 40m

£606

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 23/11

09:00-11:53

1 stop34h 53m

San Diego

Tue 9/12

11:02-09:55

2 stops14h 53m

£615

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 27/11

13:25-09:52

2 stops28h 27m

San Diego

Sun 30/11

21:50-07:45

1 stop25h 55m

£616

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 27/11

13:25-09:52

2 stops28h 27m

San Diego

Sun 30/11

06:24-07:45

1 stop17h 21m

£616

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 6/12

09:00-18:28

2 stops17h 28m

San Diego

Sat 13/12

08:45-08:10

2 stops15h 25m

£618

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 January, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of £584.

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 £569. Flights from Ireland to San Diego on a Thursday will generally be more expensive and average around £709. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Diego?

At midday is the cheapest time of day to fly from Ireland to San Diego when you can find flight prices for as low as £561. Flying to San Diego at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £672. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £636 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 £587 on momondo.

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

You could potentially save up to 52% 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

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 are updated daily.
How many operators does momondo search for flights from Ireland to San Diego Airport?
As of November 2025, there are 2 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 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
British Airways	PriceFrom £514	Free Cancellation	Rating 6.7 7,500 reviews		Search British Airways flights
United Airlines	PriceFrom £543	Free Cancellation	Rating 7.4 9,007 reviews		Search United Airlines flights

Coronado

Chula Vista

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.