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

WestJet and Aer Lingus 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 December 2025, 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.

£265 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

Last minute

Recent return flight deals from Ireland to San Diego

Enter your travel dates to find the best prices.

12:30 - 21:05

DUB

SAN

40h 35m2 stops

10:45 - 11:45

SAN

DUB

41h 00m2 stops

£509Scandinavian Airlines

Fri, 30 Jan - Sun, 1 Feb

16:05 - 16:10

DUB

SAN

32h 05m1 stop

18:00 - 17:00

SAN

DUB

15h 00m1 stop

£566British Airways

Thu, 29 Jan - Fri, 13 Feb

11:30 - 22:26

DUB

SAN

18h 56m2 stops

18:00 - 19:40

SAN

DUB

17h 40m1 stop

£571Multiple Airlines

Mon, 9 Feb - Mon, 16 Feb

05:55 - 20:48

DUB

SAN

22h 53m2 stops

10:40 - 15:45

SAN

DUB

21h 05m2 stops

£574Delta

Thu, 29 Jan - Sat, 14 Feb

05:55 - 20:22

DUB

SAN

22h 27m2 stops

07:05 - 08:45

SAN

DUB

17h 40m1 stop

£576Delta

Thu, 15 Jan - Wed, 28 Jan

08:50 - 20:37

DUB

SAN

19h 47m2 stops

10:40 - 16:20

SAN

DUB

21h 40m2 stops

£578Delta

Thu, 29 Jan - Fri, 13 Feb

18:15 - 16:10

DUB

SAN

29h 55m1 stop

18:00 - 16:50

SAN

DUB

14h 50m1 stop

£583British Airways

Fri, 30 Jan - Sun, 1 Feb

08:50 - 19:12

DUB

SAN

18h 22m2 stops

14:26 - 17:00

SAN

DUB

18h 34m2 stops

£587British Airways

Thu, 29 Jan - Fri, 13 Feb

11:10 - 20:21

DUB

SAN

17h 11m2 stops

06:20 - 10:00

SAN

DUB

19h 40m2 stops

£736Delta

Wed, 3 Jun - Tue, 16 Jun

11:10 - 20:21

DUB

SAN

17h 11m2 stops

13:40 - 12:40

SAN

DUB

15h 00m1 stop

£737Delta

Wed, 3 Jun - Tue, 16 Jun

Delta flights from Ireland to San Diego

Our best Delta deals on Ireland to San Diego flight tickets

Delta

29 Jan

DUB05:55Dublin

22h 53m

2 stops

SAN20:48San Diego

14 Feb

SAN10:40San Diego

21h 05m

2 stops

DUB15:45Dublin

£574

Find similar

Delta

15 Jan

DUB08:50Dublin

21h 55m

2 stops

SAN22:45San Diego

28 Jan

SAN06:15San Diego

18h 30m

2 stops

DUB08:45Dublin

£576

Find similar

Delta

29 Jan

DUB08:50Dublin

19h 47m

2 stops

SAN20:37San Diego

13 Feb

SAN10:40San Diego

21h 40m

2 stops

DUB16:20Dublin

£578

Find similar

British Airways flights from Ireland to San Diego

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

British Airways

29 Jan

DUB16:05Dublin

32h 05m

1 stop

SAN16:10San Diego

13 Feb

SAN18:00San Diego

15h 00m

1 stop

DUB17:00Dublin

£566

Find similar

British Airways

30 Jan

DUB15:00Dublin

33h 10m

1 stop

SAN16:10San Diego

1 Feb

SAN18:00San Diego

14h 50m

1 stop

DUB16:50Dublin

£583

Find similar

British Airways

29 Jan

DUB08:50Dublin

18h 22m

2 stops

SAN19:12San Diego

13 Feb

SAN14:26San Diego

18h 34m

2 stops

DUB17:00Dublin

£587

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 30/1

12:30-21:05

2 stops40h 35m

San Diego

Sun 1/2

10:45-11:45

2 stops41h 00m

£509

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

16:05-16:10

1 stop32h 05m

San Diego

Fri 13/2

18:00-17:00

1 stop15h 00m

£566

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 9/2

11:30-22:26

2 stops18h 56m

San Diego

Mon 16/2

18:00-19:40

1 stop17h 40m

£571

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

05:55-20:48

2 stops22h 53m

San Diego

Sat 14/2

10:40-15:45

2 stops21h 05m

£574

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 15/1

05:55-20:22

2 stops22h 27m

San Diego

Wed 28/1

07:05-08:45

1 stop17h 40m

£576

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

08:50-20:37

2 stops19h 47m

San Diego

Fri 13/2

10:40-16:20

2 stops21h 40m

£578

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 30/1

18:15-16:10

1 stop29h 55m

San Diego

Sun 1/2

18:00-16:50

1 stop14h 50m

£583

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 29/1

08:50-19:12

2 stops18h 22m

San Diego

Fri 13/2

14:26-17:00

2 stops18h 34m

£587

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 3/6

11:10-20:21

2 stops17h 11m

San Diego

Tue 16/6

06:20-10:00

2 stops19h 40m

£736

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 3/6

11:10-20:21

2 stops17h 11m

San Diego

Tue 16/6

13:40-12:40

1 stop15h 00m

£737

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 March to fly from Ireland, when ticket prices are also cheap, with an average price of £565.

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 £551. Flights from Ireland to San Diego on a Thursday will generally be more expensive and average around £687. 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 £620 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 £561 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

Fastest flight time	17h 27m
Direct flights	None

The fastest flight from Ireland to San Diego takes 17h 27m

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 December 2025, 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
United Airlines	PriceFrom £526	Free Cancellation	Rating 7.4 9,113 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.