Cheap flights from Ireland to San Diego from $372
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 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 round-trip 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
Scandinavian Airlines flights from Ireland to San Diego
Our best Scandinavian Airlines deals on Ireland to San Diego flight tickets
British Airways flights from Ireland to San Diego
Our best British Airways 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?
If you are unable to visit San Diego during the month of November, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around $730.
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 Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $780. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $869. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $774. Flights in the morning are often more expensive with an average ticket price of $811.
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 22 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $839 when searching 22 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 $744 on momondo.
What is the cheapest airline that flies from Ireland to San Diego?
WestJet, Aer Lingus, and British Airways are the most popular carriers operating from Ireland to San Diego
What airlines fly to San Diego?
British Airways, American Airlines and United Airlines 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 38% of people opting to fly with this airline when traveling 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 were last updated today.
How many operators does momondo search for flights from Ireland to San Diego Airport?
As of February 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?
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.
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 $691 | Free Cancellation | Rating 6.6 6,763 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 7.4 8,766 reviews | |||
| PriceFrom $801 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling 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?
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.