Cheap flights from Ireland to San Diego from €300

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to San Diego departing on 22/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ireland to San Diego

Recent return flight deals from Ireland to San Diego

Scandinavian Airlines Logo
12:30 - 20:57DUB-SAN
40h 27m2 stops
Scandinavian Airlines Logo
15:59 - 18:20SAN-DUB
18h 21m2 stops
€522Scandinavian Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Scandinavian Airlines Logo
12:30 - 20:57DUB-SAN
40h 27m2 stops
Scandinavian Airlines Logo
15:59 - 11:45SAN-DUB
35h 46m2 stops
€526Scandinavian Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
 Logo
18:15 - 23:17DUB-SAN
37h 02m3 stops
 Logo
19:35 - 10:50SAN-DUB
31h 15m2 stops
€552
Find Deal
Wed, 15 Oct - Wed, 22 Oct
 Logo
18:15 - 23:17DUB-SAN
37h 02m3 stops
 Logo
19:35 - 10:50SAN-DUB
31h 15m2 stops
€558
Find Deal
Wed, 15 Oct - Wed, 22 Oct
British Airways Logo
20:35 - 16:10DUB-SAN
27h 35m1 stop
British Airways Logo
18:00 - 19:50SAN-DUB
17h 50m1 stop
€686British Airways
Find Deal
Fri, 5 Dec - Fri, 9 Jan
British Airways Logo
20:40 - 16:10DUB-SAN
27h 30m1 stop
British Airways Logo
18:00 - 19:50SAN-DUB
17h 50m1 stop
€687British Airways
Find Deal
Thu, 20 Nov - Fri, 12 Dec
KLM Logo
05:55 - 15:20DUB-SAN
17h 25m2 stops
KLM Logo
07:00 - 08:45SAN-DUB
17h 45m1 stop
€703KLM
Find Deal
Thu, 18 Dec - Wed, 7 Jan
United Airlines Logo
09:00 - 18:37DUB-SAN
17h 37m2 stops
United Airlines Logo
08:35 - 10:20SAN-DUB
17h 45m1 stop
€707United Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
United Airlines Logo
09:20 - 15:51DUB-SAN
14h 31m1 stop
United Airlines Logo
11:20 - 10:20SAN-DUB
15h 00m2 stops
€725United Airlines
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Sun, 19 Oct - Mon, 3 Nov
KLM Logo
17:05 - 12:00ORK-SAN
26h 55m1 stop
KLM Logo
13:55 - 22:30SAN-ORK
24h 35m1 stop
€773KLM
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Mon, 8 Sep - Sun, 14 Sep

Lufthansa flights from Ireland to San Diego

Our best Lufthansa deals on Ireland to San Diego flight tickets
Lufthansa
20 Oct
DUB10:40Dublin
36h 45m
1 stop
SAN15:25San Diego
5 Nov
SAN17:35San Diego
15h 35m
1 stop
DUB17:10Dublin
Lufthansa
4 Sept
DUB20:00Dublin
27h 25m
1 stop
SAN15:25San Diego
18 Sept
SAN11:17San Diego
15h 03m
2 stops
DUB10:20Dublin

Air Canada flights from Ireland to San Diego

Our best Air Canada deals on Ireland to San Diego flight tickets
Air Canada
4 Sept
DUB09:20Dublin
18h 15m
1 stop
SAN19:35San Diego
18 Sept
SAN08:00San Diego
15h 45m
2 stops
DUB07:45Dublin
Air Canada
4 Sept
DUB09:50Dublin
16h 30m
2 stops
SAN18:20San Diego
18 Sept
SAN08:00San Diego
15h 45m
2 stops
DUB07:45Dublin
Air Canada
4 Sept
DUB09:50Dublin
17h 45m
2 stops
SAN19:35San Diego
18 Sept
SAN12:25San Diego
18h 25m
2 stops
DUB14:50Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Ireland to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

12:30-20:57

2 stops40h 27m

San Diego

Tue 24/2

15:59-18:20

2 stops18h 21m

€522

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

12:30-20:57

2 stops40h 27m

San Diego

Tue 24/2

15:59-11:45

2 stops35h 46m

€526

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 15/10

18:15-23:17

3 stops37h 02m

San Diego

Wed 22/10

19:35-10:50

2 stops31h 15m

€552

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 15/10

18:15-23:17

3 stops37h 02m

San Diego

Wed 22/10

19:35-10:50

2 stops31h 15m

€558

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

20:35-16:10

1 stop27h 35m

San Diego

Fri 9/1

18:00-19:50

1 stop17h 50m

€686

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 20/11

20:40-16:10

1 stop27h 30m

San Diego

Fri 12/12

18:00-19:50

1 stop17h 50m

€687

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 18/12

05:55-15:20

2 stops17h 25m

San Diego

Wed 7/1

07:00-08:45

1 stop17h 45m

€703

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 20/2

09:00-18:37

2 stops17h 37m

San Diego

Tue 24/2

08:35-10:20

1 stop17h 45m

€707

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 19/10

09:20-15:51

1 stop14h 31m

San Diego

Mon 3/11

11:20-10:20

2 stops15h 00m

€725

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Mon 8/9

17:05-12:00

1 stop26h 55m

San Diego

Sun 14/9

13:55-22:30

1 stop24h 35m

€773

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

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

What is the cheapest month to fly to San Diego?

The cheapest month to fly to San Diego from Ireland is in November. Flight prices, which tend to average around €623, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in November, then February is your next best option. Flight prices from Ireland to San Diego during February average around €626.

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 €644. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is €953.

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

According to our data, the cheapest time of day to fly to San Diego is in the morning. momondo users have found flights departing from Ireland to San Diego in the morning for as low as €694. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Diego, so prices are often more expensive at around €708 per ticket.

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 €704 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 €624 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

Direct flights

None
There are no direct flights from Ireland to San Diego. There are no popular flight routes 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 were last updated today.

  • How many operators does momondo search 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 stopovers 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 necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
KLMPriceFrom €572Free CancellationRating
7.8
1,388 reviews
Search KLM flights
British AirwaysPriceFrom €576Free CancellationRating
6.7
7,305 reviews
Search British Airways flights
United AirlinesPriceFrom €677Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to San Diego from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to San Diego from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to San Diego.

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

Yes momondo offers price alerts on flights to San Diego from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sun 31/8
Sun 7/9

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