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

JetBlue and United Airlines 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 August 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.

£340 Cheap Flights from Ireland to San Diego in 2025

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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

11:05 - 19:25DUB-SAN

16h 20m1 stop

07:00 - 08:45SAN-DUB

17h 45m1 stop

£528

Find Deal

Sat, 20 Sep - Sat, 27 Sep

11:05 - 19:25DUB-SAN

16h 20m1 stop

07:00 - 15:20SAN-DUB

24h 20m2 stops

£570

Find Deal

Sat, 20 Sep - Sat, 27 Sep

11:30 - 18:59DUB-SAN

15h 29m1 stop

10:10 - 08:20SAN-DUB

14h 10m1 stop

£594JetBlue

Find Deal

Sun, 5 Oct - Sat, 18 Oct

20:40 - 16:10DUB-SAN

27h 30m1 stop

18:00 - 18:40SAN-DUB

16h 40m1 stop

£595British Airways

Find Deal

Thu, 11 Dec - Sat, 27 Dec

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 18:40SAN-DUB

16h 40m1 stop

£600British Airways

Find Deal

Thu, 11 Dec - Sat, 27 Dec

08:50 - 16:10DUB-SAN

15h 20m1 stop

18:00 - 09:50SAN-DUB

31h 50m1 stop

£601British Airways

Find Deal

Mon, 5 Jan - Sun, 18 Jan

05:00 - 19:52DUB-SAN

22h 52m2 stops

14:16 - 08:10SAN-DUB

33h 54m1 stop

£603Lufthansa

Find Deal

Tue, 18 Nov - Wed, 3 Dec

09:20 - 20:48DUB-SAN

18h 28m2 stops

07:00 - 08:10SAN-DUB

17h 10m1 stop

£625Lufthansa

Find Deal

Thu, 30 Oct - Wed, 5 Nov

09:50 - 11:35DUB-SAN

33h 45m1 stop

12:35 - 10:20SAN-DUB

13h 45m1 stop

£656United Airlines

Find Deal

Thu, 28 Aug - Wed, 10 Sep

09:50 - 11:35DUB-SAN

33h 45m1 stop

12:35 - 10:20SAN-DUB

13h 45m1 stop

£658United Airlines

Find Deal

Thu, 28 Aug - Wed, 10 Sep

United Airlines flights from Ireland to San Diego

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

United Airlines

28 Aug

DUB09:50Dublin

33h 45m

1 stop

SAN11:35San Diego

10 Sept

SAN12:35San Diego

13h 45m

1 stop

DUB10:20Dublin

£656

Find similar

United Airlines

28 Aug

DUB09:50Dublin

33h 45m

1 stop

SAN11:35San Diego

10 Sept

SAN12:35San Diego

13h 45m

1 stop

DUB10:20Dublin

£658

Find similar

United Airlines

7 Oct

DUB09:50Dublin

16h 40m

2 stops

SAN18:30San Diego

17 Oct

SAN10:46San Diego

15h 34m

2 stops

DUB10:20Dublin

£667

Find similar

Lufthansa flights from Ireland to San Diego

Our best Lufthansa deals on Ireland to San Diego flight tickets

Lufthansa

18 Nov

DUB05:00Dublin

22h 52m

2 stops

SAN19:52San Diego

3 Dec

SAN14:16San Diego

33h 54m

1 stop

DUB08:10Dublin

£603

Find similar

Lufthansa

30 Oct

DUB09:20Dublin

18h 28m

2 stops

SAN20:48San Diego

5 Nov

SAN07:00San Diego

17h 10m

1 stop

DUB08:10Dublin

£625

Find similar

Lufthansa

6 Oct

DUB09:00Dublin

19h 25m

2 stops

SAN20:25San Diego

18 Oct

SAN06:48San Diego

18h 57m

1 stop

DUB09:45Dublin

£649

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 20/9

11:05-19:25

1 stop16h 20m

San Diego

Sat 27/9

07:00-08:45

1 stop17h 45m

£528

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 20/9

11:05-19:25

1 stop16h 20m

San Diego

Sat 27/9

07:00-15:20

2 stops24h 20m

£570

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 5/10

11:30-18:59

1 stop15h 29m

San Diego

Sat 18/10

10:10-08:20

1 stop14h 10m

£594

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 11/12

20:40-16:10

1 stop27h 30m

San Diego

Sat 27/12

18:00-18:40

1 stop16h 40m

£595

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 11/12

08:50-16:10

1 stop15h 20m

San Diego

Sat 27/12

18:00-18:40

1 stop16h 40m

£600

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 5/1

08:50-16:10

1 stop15h 20m

San Diego

Sun 18/1

18:00-09:50

1 stop31h 50m

£601

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 18/11

05:00-19:52

2 stops22h 52m

San Diego

Wed 3/12

14:16-08:10

1 stop33h 54m

£603

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 30/10

09:20-20:48

2 stops18h 28m

San Diego

Wed 5/11

07:00-08:10

1 stop17h 10m

£625

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 28/8

09:50-11:35

1 stop33h 45m

San Diego

Wed 10/9

12:35-10:20

1 stop13h 45m

£656

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 28/8

09:50-11:35

1 stop33h 45m

San Diego

Wed 10/9

12:35-10:20

1 stop13h 45m

£658

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 November, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of £550.

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 £560. Flights from Ireland to San Diego on a Thursday will generally be more expensive and average around £699. 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 £553. 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 £662. 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 £617 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 £549 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

Best price found	£340
Fastest flight time	14h 05m
Direct flights	None
Airports in San Diego	1 airport

The best one-way flight to San Diego from Ireland in the past 72 hours is £340. The best return flight deal from Ireland to San Diego found on momondo in the last 72 hours is £528.

The fastest flight from Ireland to San Diego takes 14h 05m

There are no direct flights from Ireland to San Diego. Popular non-direct route for this connection is Dublin Airport - San Diego Airport.

There is 1 airport near San Diego: San Diego (SAN)

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 August 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 £507	Free Cancellation	Rating 6.6 7,237 reviews		Search British Airways flights
United Airlines	PriceFrom £534	Free Cancellation	Rating 7.4 8,916 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.