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Cheap flights from Ireland to San Diego from $371

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 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ireland to San Diego

Recent round-trip flight deals from Ireland to San Diego

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 am - 7:06 pm
DUB
-
SAN
15h 36m
1 stop
JetBlue Logo
8:30 pm - 9:00 am
SAN
-
DUB
28h 30m
1 stop
$668JetBlue
Wed, Aug 26 - Mon, Aug 31
JetBlue Logo
10:40 am - 7:29 pm
DUB
-
SAN
16h 49m
1 stop
JetBlue Logo
10:20 am - 8:20 am
SAN
-
DUB
14h 00m
1 stop
$681JetBlue
Mon, Aug 24 - Tue, Sep 8
JetBlue Logo
10:40 am - 6:56 pm
DUB
-
SAN
16h 16m
1 stop
JetBlue Logo
10:15 am - 8:20 am
SAN
-
DUB
14h 05m
1 stop
$693JetBlue
Thu, Sep 3 - Sun, Sep 6
Aer Lingus Logo
7:30 am - 11:25 pm
SNN
-
SAN
23h 55m
2 stops
Aer Lingus Logo
7:40 pm - 8:35 pm
SAN
-
SNN
16h 55m
1 stop
$907Aer Lingus
Wed, Sep 16 - Wed, Sep 30
Aer Lingus Logo
4:50 pm - 11:25 pm
SNN
-
SAN
38h 35m
2 stops
Aer Lingus Logo
10:46 pm - 8:35 pm
SAN
-
SNN
37h 49m
2 stops
$912Aer Lingus
Tue, Sep 15 - Tue, Sep 29
British Airways Logo
9:15 pm - 2:55 pm
SNN
-
SAN
25h 40m
1 stop
British Airways Logo
7:40 pm - 8:35 pm
SAN
-
SNN
16h 55m
1 stop
$985British Airways
Wed, Sep 16 - Wed, Sep 30
British Airways Logo
7:30 am - 6:51 pm
SNN
-
SAN
19h 21m
2 stops
British Airways Logo
7:40 pm - 8:35 pm
SAN
-
SNN
16h 55m
1 stop
$990British Airways
Tue, Sep 15 - Tue, Sep 29
United Airlines Logo
12:30 pm - 7:53 pm
SNN
-
SAN
15h 23m
1 stop
United Airlines Logo
1:30 pm - 10:15 am
SAN
-
SNN
12h 45m
1 stop
$1,003United Airlines
Tue, Sep 15 - Tue, Sep 29
United Airlines Logo
12:30 pm - 10:49 pm
SNN
-
SAN
18h 19m
1 stop
United Airlines Logo
1:30 pm - 10:15 am
SAN
-
SNN
12h 45m
1 stop
$1,005United Airlines
Tue, Sep 15 - Tue, Sep 29
Lufthansa Logo
12:30 pm - 12:30 am
SNN
-
SAN
20h 00m
2 stops
Lufthansa Logo
6:27 pm - 7:30 am
SAN
-
SNN
29h 03m
2 stops
$1,100Lufthansa
Thu, Aug 6 - Mon, Aug 10

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JetBlue flights from Ireland to San Diego

Our best JetBlue deals on Ireland to San Diego flight tickets
JetBlue
Aug 26
DUB11:30 amDublin
15h 36m
1 stop
SAN7:06 pmSan Diego
Aug 31
SAN8:30 pmSan Diego
28h 30m
1 stop
DUB9:00 amDublin
$668
JetBlue
Aug 24
DUB10:40 amDublin
16h 49m
1 stop
SAN7:29 pmSan Diego
Sep 8
SAN10:20 amSan Diego
14h 00m
1 stop
DUB8:20 amDublin
$681
JetBlue
Sep 3
DUB10:40 amDublin
16h 16m
1 stop
SAN6:56 pmSan Diego
Sep 6
SAN10:15 amSan Diego
14h 05m
1 stop
DUB8:20 amDublin
$693

Scandinavian Airlines flights from Ireland to San Diego

Our best Scandinavian Airlines deals on Ireland to San Diego flight tickets
Scandinavian Airlines
Aug 27
DUB7:05 pmDublin
32h 14m
2 stops
SAN7:19 pmSan Diego
Sep 12
SAN3:00 pmSan Diego
36h 50m
2 stops
DUB11:50 amDublin
$765
Scandinavian Airlines
Aug 27
DUB7:05 pmDublin
32h 14m
2 stops
SAN7:19 pmSan Diego
Sep 12
SAN3:00 pmSan Diego
36h 50m
2 stops
DUB11:50 amDublin
$768
Scandinavian Airlines
Aug 26
DUB7:05 pmDublin
36h 49m
2 stops
SAN11:54 pmSan Diego
Aug 31
SAN8:00 amSan Diego
26h 20m
2 stops
DUB6:20 pmDublin
$805

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 24, 2026.
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

Cheapest round-trip

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 8/26

11:30 am-7:06 pm

1 stop15h 36m

San Diego

Mon 8/31

8:30 pm-9:00 am

1 stop28h 30m

$668

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 8/24

10:40 am-7:29 pm

1 stop16h 49m

San Diego

Tue 9/8

10:20 am-8:20 am

1 stop14h 00m

$681

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 9/3

10:40 am-6:56 pm

1 stop16h 16m

San Diego

Sun 9/6

10:15 am-8:20 am

1 stop14h 05m

$693

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Wed 9/16

7:30 am-11:25 pm

2 stops23h 55m

San Diego

Wed 9/30

7:40 pm-8:35 pm

1 stop16h 55m

$907

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 9/15

4:50 pm-11:25 pm

2 stops38h 35m

San Diego

Tue 9/29

10:46 pm-8:35 pm

2 stops37h 49m

$912

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Wed 9/16

9:15 pm-2:55 pm

1 stop25h 40m

San Diego

Wed 9/30

7:40 pm-8:35 pm

1 stop16h 55m

$985

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 9/15

7:30 am-6:51 pm

2 stops19h 21m

San Diego

Tue 9/29

7:40 pm-8:35 pm

1 stop16h 55m

$990
Quickest round-trip

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 9/15

12:30 pm-7:53 pm

1 stop15h 23m

San Diego

Tue 9/29

1:30 pm-10:15 am

1 stop12h 45m

$1,003

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 9/15

12:30 pm-10:49 pm

1 stop18h 19m

San Diego

Tue 9/29

1:30 pm-10:15 am

1 stop12h 45m

$1,005

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 8/6

12:30 pm-12:30 am

2 stops20h 00m

San Diego

Mon 8/10

6:27 pm-7:30 am

2 stops29h 03m

$1,100

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 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?

If you are unable to visit San Diego during the month of January, then departing from Ireland during the month October is also very affordable. Most momondo users find prices during this month for around $801.

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

You could potentially save up to 22% 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

15h 36m

Direct flights

None
The fastest flight from Ireland to San Diego takes 15h 36m
There are no direct flights from Ireland to San Diego. There are no popular flight routes from Ireland to San Diego.
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Frequently asked questions about flying 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 old do you have to be to fly from Ireland 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 Ireland to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near San Diego?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to San Diego from Ireland with this policy.

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?

Of course. momondo tracks the price of Ireland to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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