€330 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 20/9. 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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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 €630, 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 €633.
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 €651. 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 €963.
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 €701. 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 €715 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 7 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around €712 when searching 7 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 €648 on momondo.
Cheapest flights to San Diego
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| CHEAPEST MONTH TO FLY TO SAN DIEGO FROM DUBLIN | November | 12% cheaper | Flying from Dublin to San Diego costs on average just €630 in November |
| MOST EXPENSIVE MONTH TO FLY TO SAN DIEGO FROM DUBLIN | August | 24% more expensive | It costs about €887 for flights to San Diego from Dublin in August |
| MOST POPULAR MONTH TO FLY TO SAN DIEGO FROM DUBLIN | July | 425% more users visited | More 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 | €330 |
|---|---|
Best Round-Trip Price | €627 |
Fastest flight time | 15h 32m |
Popular in | August |
Frequently asked questions about flying to San Diego
When is the best time to plan a beach trip to San Diego?
Beaches like Pacific Beach Park are most often visited during August, as the weather is usually above 70 degrees Fahrenheit (21°C) with a low chance of rain.
How far in advance should I book a flight to San Diego?
The ideal time to book your flight to San Diego is 21 days in advance, when prices tend to average €712. Keep in mind that you might be able to find cheaper flights to San Diego at any time. In fact, our users found flights for as low as €463 in the past 72 hours.
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?
As of June 2025, there are 3 operators available to choose from 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.