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Cheap flights from Dublin to San Diego from $440

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 4/2. 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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Scandinavian Airlines Logo
12:30 pm - 10:51 pmDUB-SAN
42h 21m2 stops
Scandinavian Airlines Logo
3:44 pm - 6:20 pmSAN-DUB
18h 36m2 stops
$653Scandinavian Airlines
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Fri, Feb 20 - Tue, Feb 24
Scandinavian Airlines Logo
12:30 pm - 10:51 pmDUB-SAN
42h 21m2 stops
Scandinavian Airlines Logo
3:44 pm - 6:20 pmSAN-DUB
18h 36m2 stops
$654Scandinavian Airlines
Find Deal
Fri, Feb 20 - Tue, Feb 24
Scandinavian Airlines Logo
12:30 pm - 10:47 pmDUB-SAN
42h 17m2 stops
Scandinavian Airlines Logo
3:45 pm - 11:45 amSAN-DUB
36h 00m2 stops
$674Scandinavian Airlines
Find Deal
Wed, Jan 28 - Sat, Feb 7
Aer Lingus Logo
7:35 am - 4:10 pmDUB-SAN
16h 35m1 stop
Aer Lingus Logo
6:00 pm - 4:35 pmSAN-DUB
14h 35m1 stop
$790Aer Lingus
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Wed, Jan 28 - Sat, Feb 7
British Airways Logo
8:35 pm - 4:10 pmDUB-SAN
27h 35m1 stop
British Airways Logo
6:00 pm - 7:40 pmSAN-DUB
17h 40m1 stop
$796British Airways
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Fri, Feb 20 - Tue, Feb 24
British Airways Logo
8:50 am - 4:10 pmDUB-SAN
15h 20m1 stop
British Airways Logo
6:00 pm - 7:40 pmSAN-DUB
17h 40m1 stop
$797British Airways
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Fri, Feb 20 - Tue, Feb 24
Lufthansa Logo
5:10 am - 8:48 pmDUB-SAN
23h 38m2 stops
Lufthansa Logo
7:00 am - 8:10 amSAN-DUB
17h 10m1 stop
$800Lufthansa
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Sun, Nov 23 - Tue, Dec 9
American Airlines Logo
11:30 am - 10:07 pmDUB-SAN
18h 37m2 stops
American Airlines Logo
6:00 pm - 5:00 pmSAN-DUB
15h 00m1 stop
$801American Airlines
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Fri, Feb 20 - Tue, Feb 24
American Airlines Logo
11:30 am - 11:59 pmDUB-SAN
20h 29m2 stops
American Airlines Logo
6:00 pm - 5:00 pmSAN-DUB
15h 00m1 stop
$802American Airlines
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Fri, Feb 20 - Tue, Feb 24
American Airlines Logo
11:30 am - 11:59 pmDUB-SAN
20h 29m2 stops
American Airlines Logo
6:00 pm - 5:00 pmSAN-DUB
15h 00m1 stop
$803American Airlines
Find Deal
Fri, Feb 20 - Tue, Feb 24

United Airlines flights from Dublin to San Diego

Our best United Airlines deals on Dublin to San Diego flight tickets
United Airlines
Nov 23
DUB9:00 amDublin
34h 53m
1 stop
SAN11:53 amSan Diego
Dec 9
SAN11:02 amSan Diego
14h 53m
2 stops
DUB9:55 amDublin
$809
Find similar
United Airlines
Nov 23
DUB9:00 amDublin
34h 53m
1 stop
SAN11:53 amSan Diego
Dec 9
SAN11:02 amSan Diego
15h 18m
2 stops
DUB10:20 amDublin
$810
Find similar
United Airlines
Dec 6
DUB9:00 amDublin
17h 28m
2 stops
SAN6:28 pmSan Diego
Dec 14
SAN7:00 amSan Diego
16h 30m
2 stops
DUB7:30 amDublin
$815
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Scandinavian Airlines flights from Dublin to San Diego

Our best Scandinavian Airlines deals on Dublin to San Diego flight tickets
Scandinavian Airlines
Feb 20
DUB12:30 pmDublin
42h 21m
2 stops
SAN10:51 pmSan Diego
Feb 24
SAN3:44 pmSan Diego
18h 36m
2 stops
DUB6:20 pmDublin
$653
Find similar
Scandinavian Airlines
Feb 20
DUB12:30 pmDublin
42h 21m
2 stops
SAN10:51 pmSan Diego
Feb 24
SAN3:44 pmSan Diego
18h 36m
2 stops
DUB6:20 pmDublin
$654
Find similar
Scandinavian Airlines
Jan 28
DUB12:30 pmDublin
42h 17m
2 stops
SAN10:47 pmSan Diego
Feb 7
SAN3:45 pmSan Diego
36h 00m
2 stops
DUB11:45 amDublin
$674
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 13, 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

Fri 2/20

12:30 pm-10:51 pm

2 stops42h 21m

San Diego

Tue 2/24

3:44 pm-6:20 pm

2 stops18h 36m

$653

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

12:30 pm-10:51 pm

2 stops42h 21m

San Diego

Tue 2/24

3:44 pm-6:20 pm

2 stops18h 36m

$654

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 1/28

12:30 pm-10:47 pm

2 stops42h 17m

San Diego

Sat 2/7

3:45 pm-11:45 am

2 stops36h 00m

$674

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 1/28

7:35 am-4:10 pm

1 stop16h 35m

San Diego

Sat 2/7

6:00 pm-4:35 pm

1 stop14h 35m

$790

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

8:35 pm-4:10 pm

1 stop27h 35m

San Diego

Tue 2/24

6:00 pm-7:40 pm

1 stop17h 40m

$796

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

8:50 am-4:10 pm

1 stop15h 20m

San Diego

Tue 2/24

6:00 pm-7:40 pm

1 stop17h 40m

$797

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 11/23

5:10 am-8:48 pm

2 stops23h 38m

San Diego

Tue 12/9

7:00 am-8:10 am

1 stop17h 10m

$800

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

11:30 am-10:07 pm

2 stops18h 37m

San Diego

Tue 2/24

6:00 pm-5:00 pm

1 stop15h 00m

$801

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

11:30 am-11:59 pm

2 stops20h 29m

San Diego

Tue 2/24

6:00 pm-5:00 pm

1 stop15h 00m

$802

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 2/20

11:30 am-11:59 pm

2 stops20h 29m

San Diego

Tue 2/24

6:00 pm-5:00 pm

1 stop15h 00m

$803

Flights are sorted by cheapest round-trip 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?

If you are unable to visit San Diego during the month of January, then departing from Dublin during the month February is also very affordable. Most momondo users find prices during this month for around $764.

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 Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $780. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $869. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $774. Flights in the morning are often more expensive with an average ticket price of $811.

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 $834 when searching weeks out. 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 $758 on momondo.

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

You could potentially save up to 25% on your flight if you consider stops on a Dublin to San Diego flight.

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

As of November 2025, prices for Dublin to San Diego flights are approximately 1% 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 round-trip 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.
Search flight deals

  • How far is Dublin to San Diego by plane?

    There are 5196.4 mi between Dublin and San Diego. In terms of flight time, this usually takes a little over 13h 03m.

  • 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 refresh daily.

  • How old do you have to be to fly from Dublin Airport to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to San Diego for you.

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

Yes. All flights to San Diego from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Dublin to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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