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Cheap flights from Dublin to San Diego from €321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to San Diego departing on 4/11. 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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Cheap return flights

Scandinavian Airlines Logo
10:10 - 22:55DUB-SAN
20h 45m2 stops
Scandinavian Airlines Logo
10:00 - 18:20SAN-DUB
25h 20m3 stops
€513Scandinavian Airlines
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Sat, 7 Mar - Tue, 10 Mar
Scandinavian Airlines Logo
12:30 - 23:06DUB-SAN
41h 36m2 stops
Scandinavian Airlines Logo
11:02 - 09:25SAN-DUB
38h 23m2 stops
€514Scandinavian Airlines
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Fri, 31 Oct - Thu, 13 Nov
Logo
15:15 - 21:03DUB-SAN
13h 48m1 stop
Logo
14:30 - 13:20SAN-DUB
15h 50m1 stop
€580
Find Deal
Sat, 7 Mar - Tue, 10 Mar
Logo
11:35 - 18:50DUB-SAN
15h 15m1 stop
Logo
08:00 - 05:10SAN-DUB
14h 10m1 stop
€586
Find Deal
Wed, 22 Oct - Tue, 28 Oct
British Airways Logo
20:40 - 16:10DUB-SAN
27h 30m1 stop
British Airways Logo
18:00 - 17:05SAN-DUB
15h 05m1 stop
€656British Airways
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Mon, 22 Dec - Mon, 12 Jan
British Airways Logo
18:00 - 17:10DUB-SAN
30h 10m1 stop
British Airways Logo
18:00 - 19:45SAN-DUB
17h 45m1 stop
€657British Airways
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Thu, 30 Oct - Wed, 12 Nov
United Airlines Logo
09:20 - 15:51DUB-SAN
14h 31m1 stop
United Airlines Logo
13:47 - 09:55SAN-DUB
13h 08m1 stop
€665United Airlines
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Fri, 17 Oct - Tue, 28 Oct
United Airlines Logo
09:20 - 15:51DUB-SAN
14h 31m1 stop
United Airlines Logo
08:30 - 10:20SAN-DUB
18h 50m1 stop
€666United Airlines
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Sun, 19 Oct - Tue, 28 Oct
KLM Logo
05:55 - 15:23DUB-SAN
17h 28m2 stops
KLM Logo
07:00 - 08:45SAN-DUB
17h 45m1 stop
€668KLM
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Fri, 5 Dec - Fri, 9 Jan
KLM Logo
17:20 - 12:00DUB-SAN
26h 40m1 stop
KLM Logo
07:40 - 07:45SAN-DUB
17h 05m1 stop
€675KLM
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Sat, 18 Oct - Thu, 30 Oct

Air Canada flights from Dublin to San Diego

Our best Air Canada deals on Dublin to San Diego flight tickets
Air Canada
20 Sept
DUB09:20Dublin
18h 15m
1 stop
SAN19:35San Diego
9 Oct
SAN08:00San Diego
15h 45m
2 stops
DUB07:45Dublin
€655
Find similar
Air Canada
20 Sept
DUB09:20Dublin
17h 00m
2 stops
SAN18:20San Diego
9 Oct
SAN08:00San Diego
15h 45m
2 stops
DUB07:45Dublin
€659
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Air Canada
17 Oct
DUB09:20Dublin
14h 31m
1 stop
SAN15:51San Diego
2 Nov
SAN05:45San Diego
16h 25m
2 stops
DUB06:10Dublin
€672
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United Airlines flights from Dublin to San Diego

Our best United Airlines deals on Dublin to San Diego flight tickets
United Airlines
17 Oct
DUB09:20Dublin
14h 31m
1 stop
SAN15:51San Diego
28 Oct
SAN13:47San Diego
13h 08m
1 stop
DUB09:55Dublin
€665
Find similar
United Airlines
19 Oct
DUB09:20Dublin
14h 31m
1 stop
SAN15:51San Diego
28 Oct
SAN08:30San Diego
18h 50m
1 stop
DUB10:20Dublin
€666
Find similar
United Airlines
17 Oct
DUB09:20Dublin
14h 31m
1 stop
SAN15:51San Diego
2 Nov
SAN22:00San Diego
28h 20m
1 stop
DUB10:20Dublin
€671
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momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 14 September 2025.
Use the filters below to find and compare flights from Dublin to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 7/3

10:10-22:55

2 stops20h 45m

San Diego

Tue 10/3

10:00-18:20

3 stops25h 20m

€513

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 31/10

12:30-23:06

2 stops41h 36m

San Diego

Thu 13/11

11:02-09:25

2 stops38h 23m

€514

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 7/3

15:15-21:03

1 stop13h 48m

San Diego

Tue 10/3

14:30-13:20

1 stop15h 50m

€580

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 22/10

11:35-18:50

1 stop15h 15m

San Diego

Tue 28/10

08:00-05:10

1 stop14h 10m

€586

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 22/12

20:40-16:10

1 stop27h 30m

San Diego

Mon 12/1

18:00-17:05

1 stop15h 05m

€656

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 30/10

18:00-17:10

1 stop30h 10m

San Diego

Wed 12/11

18:00-19:45

1 stop17h 45m

€657

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 17/10

09:20-15:51

1 stop14h 31m

San Diego

Tue 28/10

13:47-09:55

1 stop13h 08m

€665

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 19/10

09:20-15:51

1 stop14h 31m

San Diego

Tue 28/10

08:30-10:20

1 stop18h 50m

€666

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/12

05:55-15:23

2 stops17h 28m

San Diego

Fri 9/1

07:00-08:45

1 stop17h 45m

€668

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 18/10

17:20-12:00

1 stop26h 40m

San Diego

Thu 30/10

07:40-07:45

1 stop17h 05m

€675

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 Dublin 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 Dublin is in February. 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 February, then January is your next best option. Flight prices from Dublin to San Diego during January average around €635.

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

The cheapest day to depart from Dublin to San Diego is on a Monday when prices can be found for as low as €641. 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 €948.

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 Dublin to San Diego in the morning for as low as €690. 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 €704 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 Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around €697 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 Dublin for as low as €619 on momondo.

How have Dublin to San Diego flight prices changed over time?

As of September 2025, prices for Dublin to San Diego flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to San Diego (DUB to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to San Diego

Direct flights

None
There are no direct flights from Dublin to San Diego. There are no popular flight routes from Dublin to San Diego.
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  • How far is Dublin to San Diego by plane?

    The straight-line distance from Dublin to San Diego is 8362.7 km. Typically, this will take 13h 48m by plane in normal conditions.

  • When did momondo last update prices for flights from Dublin Airport to San Diego Airport?

    Prices for flights from Dublin Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Dublin Airport to San Diego Airport?

  • How old do you have to be to fly from Dublin Airport 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 Dublin Airport 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.

  • What is the most popular airline from Dublin to San Diego?

Best airlines flying from Dublin to San Diego

Compare and see reviews for airlines that fly from Dublin to San Diego with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom €569Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom €573Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
United AirlinesPriceFrom €632Free CancellationRating
7.4
8,934 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to San Diego from Dublin 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 Dublin to San Diego with flexible booking policies on momondo?

All flight searches from Dublin to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin 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 Dublin to San Diego.

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

If you are not ready to book a flight from Dublin to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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