Flights to San Diego

€337 Cheap flights to San Diego

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Diego departing on 18/8. 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

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Find the cheapest flights from Ireland to San Diego

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 - 09:10
DUB
-
SAN
30h 30m
1 stop
JetBlue Logo
10:20 - 08:20
SAN
-
DUB
14h 00m
1 stop
€581JetBlue
Sat, 27 Jun - Sun, 12 Jul
JetBlue Logo
10:40 - 09:10
DUB
-
SAN
30h 30m
1 stop
JetBlue Logo
20:40 - 08:20
SAN
-
DUB
27h 40m
1 stop
€586JetBlue
Sat, 27 Jun - Fri, 10 Jul
JetBlue Logo
10:40 - 19:30
DUB
-
SAN
16h 50m
1 stop
JetBlue Logo
10:22 - 08:20
SAN
-
DUB
13h 58m
1 stop
€622JetBlue
Thu, 25 Jun - Thu, 9 Jul
British Airways Logo
07:40 - 20:48
ORK
-
SAN
21h 08m
2 stops
British Airways Logo
14:39 - 15:25
SAN
-
ORK
16h 46m
2 stops
€892British Airways
Fri, 13 Nov - Tue, 17 Nov
British Airways Logo
21:15 - 21:34
SNN
-
SAN
32h 19m
2 stops
British Airways Logo
09:47 - 20:35
SAN
-
SNN
26h 48m
2 stops
€894British Airways
Wed, 24 Jun - Sun, 28 Jun
Delta Logo
13:05 - 11:55
SNN
-
SAN
30h 50m
1 stop
Delta Logo
07:20 - 11:10
SAN
-
SNN
19h 50m
1 stop
€925Delta
Thu, 25 Jun - Mon, 29 Jun
American Airlines Logo
07:30 - 18:19
SNN
-
SAN
18h 49m
2 stops
American Airlines Logo
19:15 - 05:25
SAN
-
SNN
26h 10m
2 stops
€930American Airlines
Tue, 23 Jun - Sat, 27 Jun
Multiple Airlines Logo
11:00 - 21:27
SNN
-
SAN
18h 27m
2 stops
Multiple Airlines Logo
16:45 - 16:10
SAN
-
SNN
15h 25m
1 stop
€948Multiple Airlines
Wed, 24 Jun - Sun, 28 Jun
Multiple Airlines Logo
17:15 - 11:50
ORK
-
SAN
26h 35m
1 stop
Multiple Airlines Logo
12:59 - 14:40
SAN
-
ORK
17h 41m
2 stops
€967Multiple Airlines
Wed, 22 Jul - Wed, 29 Jul
Delta Logo
10:50 - 22:34
ORK
-
SAN
19h 44m
2 stops
Delta Logo
06:15 - 14:40
SAN
-
ORK
24h 25m
2 stops
€980Delta
Fri, 10 Jul - Tue, 4 Aug

momondo Fare Finder

 
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 12 June 2026.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 27/6

10:40-09:10

1 stop30h 30m

San Diego

Sun 12/7

10:20-08:20

1 stop14h 00m

€581

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 27/6

10:40-09:10

1 stop30h 30m

San Diego

Fri 10/7

20:40-08:20

1 stop27h 40m

€586
Fastest return journey

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 25/6

10:40-19:30

1 stop16h 50m

San Diego

Thu 9/7

10:22-08:20

1 stop13h 58m

€622

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Fri 13/11

07:40-20:48

2 stops21h 08m

San Diego

Tue 17/11

14:39-15:25

2 stops16h 46m

€892

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Wed 24/6

21:15-21:34

2 stops32h 19m

San Diego

Sun 28/6

09:47-20:35

2 stops26h 48m

€894

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Thu 25/6

13:05-11:55

1 stop30h 50m

San Diego

Mon 29/6

07:20-11:10

1 stop19h 50m

€925

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 23/6

07:30-18:19

2 stops18h 49m

San Diego

Sat 27/6

19:15-05:25

2 stops26h 10m

€930

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Wed 24/6

11:00-21:27

2 stops18h 27m

San Diego

Sun 28/6

16:45-16:10

1 stop15h 25m

€948

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Wed 22/7

17:15-11:50

1 stop26h 35m

San Diego

Wed 29/7

12:59-14:40

2 stops17h 41m

€967

CorkSan Diego

ORK - SAN

ORKSAN

Cork

Fri 10/7

10:50-22:34

2 stops19h 44m

San Diego

Tue 4/8

06:15-14:40

2 stops24h 25m

€980

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

San Diego flights insights and trends

Explore insights for your San Diego flight to craft the best travel plan

What is the cheapest month to fly to San Diego?

The cheapest month to fly to San Diego from Ireland is in October. Flight prices, which tend to average around €684, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in October, then February is your next best option. Flight prices from Ireland to San Diego during February average around €714.

Cheapest flights to San Diego

Find the cheapest flights to San Diego from your nearest city or airport
CHEAPEST MONTH TO FLY TO SAN DIEGO FROM DUBLINOctober7% cheaperFlying from Dublin to San Diego costs on average just €684 in October
MOST EXPENSIVE MONTH TO FLY TO SAN DIEGO FROM DUBLINApril26% more expensiveIt costs about €921 for flights to San Diego from Dublin in April
MOST POPULAR MONTH TO FLY TO SAN DIEGO FROM DUBLINJuly500% more users visitedMore momondo users searched in flights to San Diego from Dublin in July than any other month

Cheap San Diego flight deals and tips

Summary info about San Diego flight prices, duration and airlines

Best One-Way Price

€337

Best Round-Trip Price

€581

Fastest flight time

30h 17m

Popular in

April
The best one-way flight price to San Diego from Ireland in the last 5 days is €337 (Dublin to San Diego).
The best round-trip flight price to San Diego from Ireland in the last 5 days is €581 (Dublin to San Diego).
The fastest flight to San Diego from Ireland takes 30h 17m (Dublin to San Diego).
April has the highest demand for flights to San Diego, with a 0% price increase on average.

Frequently asked questions about flying to San Diego

When is the best time to plan a beach trip to San Diego?

Beaches like Mission Beach are most often visited during August, as the weather is usually above 70 degrees Fahrenheit (21°C) with a low chance of rain.

Is there an alternative airport near San Diego?

Finding an alternative and possibly cheaper destination airport near San Diego is possible. If you are planning a flight to San Diego, consider booking flights to San Diego Carlsbad-Palomar Airport (47 km from San Diego city centre), Santa Ana J. Wayne/Orange Cnty Airport (126 km from San Diego city centre), Palm Springs Airport (138 km from San Diego city centre), Long Beach Municipal Airport (153 km from San Diego city centre) or Ontario Airport (155 km from San Diego city centre).

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

Prices for flights to San Diego Airport are refreshed on a daily basis.

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to San Diego Airport.

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

The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal 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 for you.

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

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

How can momondo help me find flights to San Diego?

momondo helps you find the best flight to San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to San Diego. 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.

An easier way to manage your San Diego trip

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Sun 12/7
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