Aer Lingus Cheap Flights from Dublin to San Diego

View €481 flight on Wed, 8 Jul 2026Opens in a new window
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Prices were available within the past 7 days and start at €481 for one-way flights and €643 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, 26 Jan - Tue, 3 Feb
DUB
Dublin
SAN
San Diego
€643 Return, found 2 days ago
€643
Return
found 2 days ago
Select Aer Lingus flight, departing Mon, 26 Jan from Dublin to San Diego, returning Tue, 3 Feb, priced at €643 found 2 days ago
Aer Lingus
Fri, 30 Jan - Mon, 2 Feb
DUB
Dublin
SAN
San Diego
€696 Return, found 6 hours ago
€696
Return
found 6 hours ago
Select Aer Lingus flight, departing Fri, 30 Jan from Dublin to San Diego, returning Mon, 2 Feb, priced at €696 found 6 hours ago
Dublin to San Diego route information
Origin airport
Dublin
Destination airport
San Diego Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United
Popular airline
Aer Lingus
Distance
8316 km

Frequently asked questions

How much is an Aer Lingus flight from Dublin Airport (DUB) to San Diego Intl. Airport (SAN)?
You can find affordable round-trip Aer Lingus flights from €643 from DUB to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or search for bargains from €481 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DUB to SAN with Aer Lingus?
Aer Lingus flights to San Diego are often cheaper in the quieter months of January and November. Whether you're searching for a one-way or round-trip ticket, you could find a better deal then.
Does Aer Lingus fly nonstop from Dublin Airport (DUB) to San Diego Intl. Airport (SAN)?
To find out if there's a direct journey from DUB to SAN with Aer Lingus or another airline, use our "Nonstop" filter when browsing for tickets.
What airports does Aer Lingus fly into in San Diego?
Take an Aer Lingus flight from Dublin Airport (DUB) to San Diego, and you'll probably touch down at San Diego Intl. Airport (SAN). This is the airline's main hub in this city.
What kind of luggage can I take on an Aer Lingus flight from Dublin Airport (DUB) to San Diego Intl. Airport (SAN)?
Aer Lingus allows you to bring 1 checked-in bag weighing up to 23 kgs (50 lbs) with dimensions not exceeding 157 centimetres on standard economy flights from DUB to SAN. Additionally, you can bring 1 cabin bag with you in the cabin. This hand luggage must not exceed 53 centimetres x 38 centimetres x 23 centimetres and weigh no more than 10 kgs (22 lbs). Baggage allowances can differ based on the cabin class and fare type, so check your booking or Aer Lingus's website to avoid any unexpected fees at the airport.
Can I change or cancel my Aer Lingus flight from Dublin Airport (DUB) to San Diego Intl. Airport (SAN)?
Changes are often free within 24 hours of making your booking, but your airline may charge a fee after that time. For further details about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to adjust your plans without extra charges, tick the "No cancel fee" or "Changes included" filter when planning your trip.
*Available to Expedia members.