Cheap flights from Ireland to San Diego from £253
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 16/6. 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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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 don’t want to visit San Diego in November, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of £565.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Ireland to San Diego is on a Monday when prices can be found for as low as £575. Flights from Ireland to San Diego on a Thursday will generally be more expensive and average around £717. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to San Diego?
In the afternoon is the cheapest time of day to fly from Ireland to San Diego when you can find flight prices for as low as £0. Flying to San Diego in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £680. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Ireland when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around £644 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Ireland for as low as £572 on momondo.
What is the cheapest airline that flies from Ireland to San Diego?
WestJet and United Airlines are the most popular carriers operating from Ireland to San Diego
Which airlines fly to San Diego?
United Airlines, British Airways and KLM are the top three most popular airlines that fly to San Diego from Ireland according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
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
When did momondo last update prices for flights from Ireland to San Diego Airport?
Prices for flights from Ireland to San Diego Airport are updated daily.
How many operators does momondo search for flights from Ireland to San Diego Airport?
As of March 2025, there are 3 operators available to choose from for flights from Ireland to San Diego Airport.
How old do you have to be to fly from Ireland 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 layovers 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 Ireland to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Ireland to San Diego
Compare and see reviews for airlines that fly from Ireland to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £523 | Free Cancellation | Rating 6.6 6,713 reviews | |||
| PriceFrom £523 | Free Cancellation | Rating 7.8 1,321 reviews | |||
| PriceFrom £555 | Free Cancellation | Rating 7.4 8,603 reviews |
Travelling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ireland to San Diego?
It is quick and easy to find Ireland to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.
Can I find flights from Ireland to San Diego with flexible booking policies on momondo?
All flight searches from Ireland to San Diego on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ireland to San Diego?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Ireland.
I’m not ready to book a flight from Ireland to San Diego right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Ireland and alert you when they change.