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

United Airlines is the most popular carrier 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 September 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.

£462 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

15:20 - 23:19DUB-SAN

15h 59m1 stop

08:00 - 09:00SAN-DUB

17h 00m1 stop

£488Multiple Airlines

Find Deal

Wed, 5 Nov - Wed, 12 Nov

12:30 - 20:47DUB-SAN

40h 17m2 stops

10:00 - 18:20SAN-DUB

24h 20m2 stops

£488Scandinavian Airlines

Find Deal

Tue, 4 Nov - Tue, 11 Nov

17:55 - 15:45DUB-SAN

29h 50m1 stop

07:00 - 08:10SAN-DUB

17h 10m1 stop

£562Lufthansa

Find Deal

Tue, 4 Nov - Tue, 11 Nov

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 09:40SAN-DUB

31h 40m1 stop

£572British Airways

Find Deal

Fri, 20 Feb - Tue, 24 Feb

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 07:55SAN-DUB

29h 55m1 stop

£574British Airways

Find Deal

Fri, 20 Feb - Tue, 24 Feb

09:10 - 20:48DUB-SAN

18h 38m2 stops

07:00 - 08:10SAN-DUB

17h 10m1 stop

£577Lufthansa

Find Deal

Tue, 28 Oct - Thu, 6 Nov

05:55 - 12:00DUB-SAN

14h 05m1 stop

12:00 - 15:45SAN-DUB

20h 45m2 stops

£579Delta

Find Deal

Thu, 23 Oct - Mon, 27 Oct

05:55 - 12:00DUB-SAN

14h 05m1 stop

12:00 - 15:45SAN-DUB

20h 45m2 stops

£581Delta

Find Deal

Thu, 23 Oct - Mon, 27 Oct

09:00 - 20:38DUB-SAN

19h 38m2 stops

08:35 - 07:30SAN-DUB

14h 55m2 stops

£586United Airlines

Find Deal

Fri, 20 Feb - Tue, 24 Feb

10:40 - 18:50DUB-SAN

16h 10m1 stop

06:45 - 08:10SAN-DUB

17h 25m2 stops

£590United Airlines

Find Deal

Wed, 5 Nov - Wed, 12 Nov

Scandinavian Airlines flights from Ireland to San Diego

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

Scandinavian Airlines

4 Nov

DUB12:30Dublin

40h 17m

2 stops

SAN20:47San Diego

11 Nov

SAN10:00San Diego

24h 20m

2 stops

DUB18:20Dublin

£488

Find similar

Scandinavian Airlines

25 Oct

DUB10:15Dublin

20h 51m

2 stops

SAN23:06San Diego

3 Nov

SAN10:00San Diego

24h 20m

3 stops

DUB18:20Dublin

£660

Find similar

Lufthansa flights from Ireland to San Diego

Our best Lufthansa deals on Ireland to San Diego flight tickets

Lufthansa

4 Nov

DUB17:55Dublin

29h 50m

1 stop

SAN15:45San Diego

11 Nov

SAN07:00San Diego

17h 10m

1 stop

DUB08:10Dublin

£562

Find similar

Lufthansa

28 Oct

DUB09:10Dublin

18h 38m

2 stops

SAN20:48San Diego

6 Nov

SAN07:00San Diego

17h 10m

1 stop

DUB08:10Dublin

£577

Find similar

Lufthansa

28 Oct

DUB09:10Dublin

18h 38m

2 stops

SAN20:48San Diego

5 Nov

SAN17:35San Diego

15h 35m

1 stop

DUB17:10Dublin

£580

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/11

15:20-23:19

1 stop15h 59m

San Diego

Wed 12/11

08:00-09:00

1 stop17h 00m

£488

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 4/11

12:30-20:47

2 stops40h 17m

San Diego

Tue 11/11

10:00-18:20

2 stops24h 20m

£488

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 4/11

17:55-15:45

1 stop29h 50m

San Diego

Tue 11/11

07:00-08:10

1 stop17h 10m

£562

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

08:50-16:10

1 stop15h 20m

San Diego

Tue 24/2

18:00-09:40

1 stop31h 40m

£572

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

08:50-16:10

1 stop15h 20m

San Diego

Tue 24/2

18:00-07:55

1 stop29h 55m

£574

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 28/10

09:10-20:48

2 stops18h 38m

San Diego

Thu 6/11

07:00-08:10

1 stop17h 10m

£577

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 23/10

05:55-12:00

1 stop14h 05m

San Diego

Mon 27/10

12:00-15:45

2 stops20h 45m

£579

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 23/10

05:55-12:00

1 stop14h 05m

San Diego

Mon 27/10

12:00-15:45

2 stops20h 45m

£581

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

09:00-20:38

2 stops19h 38m

San Diego

Tue 24/2

08:35-07:30

2 stops14h 55m

£586

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 5/11

10:40-18:50

1 stop16h 10m

San Diego

Wed 12/11

06:45-08:10

2 stops17h 25m

£590

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 February, then you should wait until January to fly from Ireland, when ticket prices are also cheap, with an average price of £552.

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 £552. Flights from Ireland to San Diego on a Thursday will generally be more expensive and average around £688. 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 £544. 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 £652. 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 £604 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 £539 on momondo.

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

You could potentially save up to 58% 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 September 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 £499	Free Cancellation	Rating 6.7 7,391 reviews		Search British Airways flights
United Airlines	PriceFrom £526	Free Cancellation	Rating 7.4 8,926 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.