Cheap flights from Ireland to San Diego from €323
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 14/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ireland to San Diego
Recent return flight deals from Ireland to San Diego
Recent one-way flight deals from Ireland to San Diego
Recent last minute flight deals from Ireland to San Diego
British Airways flights from Ireland to San Diego
Our best British Airways deals on Ireland to San Diego flight tickets
Delta flights from Ireland to San Diego
Our best Delta deals on Ireland to San Diego flight tickets
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?
The cheapest month to fly to San Diego from Ireland is in November. Flight prices, which tend to average around €641, are often lower during this time because this is during the off-season. If you’re not able to fly to San Diego in November, then February is your next best option. Flight prices from Ireland to San Diego during February average around €643.
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 €662. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is €979.
What is the cheapest time of day to depart on your flight to San Diego?
According to our data, the cheapest time of day to fly to San Diego is in the morning. momondo users have found flights departing from Ireland to San Diego in the morning for as low as €713. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Diego, so prices are often more expensive at around €727 per ticket.
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 23 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around €727 when searching 23 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 €659 on momondo.
What is the cheapest airline that flies from Ireland to San Diego?
WestJet, JetBlue, and Aer Lingus are the most popular carriers operating from Ireland to San Diego
Which airlines fly to San Diego?
British Airways, United Airlines and KLM are the top three most popular airlines that fly to San Diego from Ireland according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 4 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 were last updated today.
How many operators does momondo search for flights from Ireland to San Diego Airport?
As of May 2025, there are 4 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 stopovers 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 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 licence 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.
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 €569 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom €588 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom €685 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom €695 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to San Diego?
Finding the right flight to San Diego from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.
Can I find flights from Ireland to San Diego with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Diego from Ireland which offer a flexible booking policy as well as other useful filters and features.
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?
Yes momondo offers price alerts on flights to San Diego from Ireland. 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.